{"id":1038,"date":"2026-03-06T07:58:11","date_gmt":"2026-03-06T07:58:11","guid":{"rendered":"https:\/\/cn-hawe.com\/?p=1038"},"modified":"2026-03-09T00:49:04","modified_gmt":"2026-03-09T00:49:04","slug":"press-brake-protection-film","status":"publish","type":"post","link":"https:\/\/cn-hawe.com\/vi\/press-brake-protection-film\/","title":{"rendered":"M\u00e0ng b\u1ea3o v\u1ec7 m\u00e1y \u00e9p ch\u1ea5n: T\u1ea1i sao gi\u1ea3i ph\u00e1p ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc c\u1ee7a b\u1ea1n l\u1ea1i l\u00e0m h\u1ecfng g\u00f3c u\u1ed1n"},"content":{"rendered":"

L\u00fac 2:15 chi\u1ec1u, b\u1ea1n \u0111ang c\u1ea7m m\u1ed9t chi ti\u1ebft inox s\u1ea1ch, b\u00f3ng nh\u01b0 g\u01b0\u01a1ng. Kh\u00f4ng c\u00f3 v\u1ebft x\u01b0\u1edbc n\u00e0o. \u0110\u1ebfn 3:00 chi\u1ec1u, c\u00f9ng c\u00f4ng vi\u1ec7c, c\u00f9ng ch\u01b0\u01a1ng tr\u00ecnh, th\u00ec m\u1ecdi m\u00e9p g\u1eadp \u0111\u1ec1u \u1edf g\u00f3c 88\u00b0 thay v\u00ec 90\u00b0.<\/p>\n\n\n\n

Ch\u1ec9 c\u00f3 m\u1ed9t th\u1ee9 thay \u0111\u1ed5i? M\u1ed9t l\u1edbp m\u00e0ng urethane d\u00e0y 0.030 inch \u0111\u01b0\u1ee3c l\u1eafp l\u00ean vai khu\u00f4n.<\/p>\n\n\n\n

B\u1ea1n kh\u00f4ng \u201cm\u1ea5t\u201d hai \u0111\u1ed9. B\u1ea1n \u0111\u00e3 th\u00eam m\u1ed9t l\u1edbp gio\u0103ng m\u1ec1m v\u00e0o khu\u00f4n ch\u00ednh x\u00e1c v\u00e0 mong khu\u00f4n s\u1ebd ho\u1ea1t \u0111\u1ed9ng y nh\u01b0 tr\u01b0\u1edbc.<\/p>\n\n\n\n

S\u1ef1 th\u1eadt kh\u00f3 ch\u1ea5p nh\u1eadn: \u0110\u1ed5i v\u1ebft x\u01b0\u1edbc b\u1ec1 m\u1eb7t l\u1ea5y ph\u1ebf ph\u1ea9m do sai g\u00f3c<\/h2>\n\n\n\n

T\u00f4i \u0111\u00e3 th\u1ea5y c\u00e1c th\u1ee3 v\u1eadn h\u00e0nh vui m\u1eebng khi ra \u0111\u01b0\u1ee3c chi ti\u1ebft \u0111\u1ea7u ti\u00ean kh\u00f4ng tr\u1ea7y x\u01b0\u1edbc v\u00e0 kh\u00f4ng \u0111\u1ec3 \u00fd \u0111\u1ebfn \u0111i\u1ec1u x\u1ea3y ra tr\u00ean th\u01b0\u1edbc \u0111o g\u00f3c. \u0110\u01b0\u1eddng g\u1ea5p tr\u00f4ng \u1ed5n. B\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7. Nh\u01b0ng th\u01b0\u1edbc \u0111o \u0111i\u1ec7n t\u1eed b\u00e1o 88\u00b0, kh\u00f4ng ph\u1ea3i 90\u00b0, v\u00e0 b\u1ea1n l\u1ea1i ch\u1ec9nh \u0111\u1ed9 s\u00e2u \u0111\u1ea7u ram nh\u01b0 m\u1ecdi khi.<\/p>\n\n\n\n

Nghe n\u00e0y, n\u1ebfu g\u00f3c c\u1ee7a b\u1ea1n thay \u0111\u1ed5i ngay trong ng\u00e0y b\u1ea1n l\u1eafp m\u00e0ng film, th\u00ec \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 tr\u00f9ng h\u1ee3p\u2014\u0111\u00f3 l\u00e0 \u0111\u1ed9 n\u00e9n m\u00e0 b\u1ea1n ch\u01b0a l\u1eadp tr\u00ecnh b\u00f9.<\/p>\n\n\n\n

D\u1ea3i urethane 0.022 hay 0.030 inch kh\u00f4ng ch\u1ec9 n\u1eb1m im \u1edf \u0111\u00f3. Khi ch\u1ecbu t\u1ea3i, n\u00f3 n\u00e9n kh\u00f4ng \u0111\u1ec1u d\u1ecdc theo vai khu\u00f4n, l\u00e0m r\u1ed9ng hi\u1ec7u d\u1ee5ng c\u1ee7a khe V t\u1ea1i \u0111i\u1ec3m ti\u1ebfp x\u00fac ban \u0111\u1ea7u r\u1ed3i c\u1ee9ng d\u1ea7n khi l\u1ef1c \u00e9p t\u0103ng. M\u00e1y CNC c\u1ee7a b\u1ea1n v\u1eabn t\u01b0\u1edfng th\u00e9p \u0111ang ti\u1ebfp x\u00fac v\u1edbi th\u00e9p khu\u00f4n c\u1ee9ng. Th\u1ef1c ra kh\u00f4ng ph\u1ea3i. N\u00f3 \u0111ang ti\u1ebfp x\u00fac v\u1edbi v\u1eadt li\u1ec7u b\u1ecb \u00e9p r\u1ed3i m\u1edbi ch\u1ed1ng l\u1ea1i.<\/p>\n\n\n\n

B\u1ea1n kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c v\u1ebft x\u01b0\u1edbc nh\u01b0ng l\u1ea1i \u0111\u01b0a m\u1ed9t bi\u1ebfn m\u1edbi v\u00e0o h\u1ec7 th\u1ed1ng k\u00edn \u0111\u00e3 \u0111\u01b0\u1ee3c tinh ch\u1ec9nh \u0111\u1ebfn \u0111\u01a1n v\u1ecb ph\u1ea7n ngh\u00ecn inch. B\u1ea1n c\u00f3 b\u00e1o cho b\u1ed9 \u0111i\u1ec1u khi\u1ec3n bi\u1ebft \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng?<\/p>\n\n\n\n

N\u1ebfu m\u00e0ng film \u201cch\u1ec9 \u0111\u01a1n gi\u1ea3n ho\u1ea1t \u0111\u1ed9ng\u201d, t\u1ea1i sao g\u00f3c c\u1ee7a b\u1ea1n l\u1ea1i l\u1ec7ch sau khi l\u1eafp n\u00f3?<\/h3>\n\n\n\n
\"N\u1ebfu<\/figure>\n\n\n\n

H\u00e3y h\u00ecnh dung \u0111i\u1ec1u n\u00e0y trong \u0111\u1ea7u.<\/p>\n\n\n\n

B\u1ea1n c\u00f3 m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh \u0111\u01b0\u1ee3c tinh ch\u1ec9nh k\u1ef9: th\u00e9p m\u1ec1m d\u00e0y c\u1ee1 10 gauge, d\u00e0y 0.135 inch, khu\u00f4n V r\u1ed9ng 1.000 inch, \u00e9p u\u1ed1n gi\u00f3 \u0111\u1ea1t 90\u00b0 \u1edf \u0111\u1ed9 th\u00e2m nh\u1eadp \u0111\u00e3 bi\u1ebft. Chi ti\u1ebft th\u1eed \u0111\u1ea7u ti\u00ean lu\u00f4n \u0111\u1ea1t 89.5\u00b0, b\u1ea1n t\u0103ng s\u00e2u th\u00eam 0.010 inch, v\u00e0 xong.<\/p>\n\n\n\n

Gi\u1edd th\u00eam m\u00e0ng 0.030 inch.<\/p>\n\n\n\n

C\u00fa \u00e9p \u0111\u1ea7u ti\u00ean b\u1ecb u\u1ed1n thi\u1ebfu. B\u1ea1n th\u1eed \u201cnh\u00edch d\u1ea7n\u201d nh\u01b0 th\u01b0\u1eddng l\u1ec7 \u2013 gi\u1ea3m hay t\u0103ng \u0111\u1ed9 th\u00e2m nh\u1eadp ch\u00fat \u00edt \u2013 nh\u01b0ng m\u00e0ng l\u1ea1i tr\u01b0\u1ee3t nh\u1eb9, ho\u1eb7c b\u1eadt l\u1ea1i kh\u00e1c \u1edf l\u1ea7n \u00e9p th\u1ee9 hai. \u0110i\u1ec1u t\u1eebng l\u00e0 ch\u1ec9nh ch\u00ednh x\u00e1c 0.010 inch gi\u1edd th\u00e0nh \u0111o\u00e1n m\u00f2 v\u00ec \u0111\u01b0\u1eddng cong n\u00e9n c\u1ee7a urethane kh\u00f4ng tuy\u1ebfn t\u00ednh nh\u01b0 th\u00e9p.<\/p>\n\n\n\n

M\u1ed9t s\u1ed1 th\u1ee3 v\u1eadn h\u00e0nh d\u00f9ng film nhi\u1ec1u n\u0103m m\u00e0 kh\u00f4ng b\u1ecb l\u1ec7ch g\u00f3c. S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 g\u00ec? H\u1ecd coi \u0111\u1ed9 d\u00e0y m\u00e0ng film nh\u01b0 m\u1ed9t k\u00edch th\u01b0\u1edbc c\u1ed1 \u0111\u1ecbnh c\u1ee7a d\u1ee5ng c\u1ee5 v\u00e0 hi\u1ec7u ch\u1ec9nh l\u1ea1i t\u1eeb \u0111\u1ea7u \u1edf c\u00fa \u00e9p \u0111\u1ea7u ti\u00ean, ch\u1ee9 kh\u00f4ng coi \u0111\u00f3 l\u00e0 ph\u1ee5 ki\u1ec7n trang tr\u00ed. C\u00f9ng m\u00e1y. T\u01b0 duy kh\u00e1c.<\/p>\n\n\n\n

Khi b\u1ea1n g\u1eafn m\u00e0ng \u0111\u00f3 v\u00e0o, b\u1ea1n c\u00f3 th\u1ef1c hi\u1ec7n ki\u1ec3m tra m\u1eabu \u0111\u1ea7u ti\u00ean m\u1edbi ch\u01b0a, hay b\u1ea1n tin v\u00e0o s\u1ed1 li\u1ec7u ng\u00e0y h\u00f4m qua?<\/p>\n\n\n\n

L\u1eddi h\u1ee9a h\u00e3o c\u1ee7a \u201cd\u1ea3i urethane ch\u1eefa ch\u00e1y nhanh\u201d<\/h3>\n\n\n\n
\"L\u1eddi<\/figure>\n\n\n\n

T\u00f4i hi\u1ec3u v\u00ec sao x\u01b0\u1edfng th\u00edch d\u00f9ng d\u1ea3i m\u00e0ng nhanh. M\u00e0ng 0.015 inch cho nh\u00f4m m\u1ecfng, c\u00f3 th\u1ec3 0.060 inch cho t\u1ea5m d\u00e0y h\u01a1n. C\u1ee9 g\u1eafn v\u00e0o. Kh\u00f4ng c\u1ea7n \u0111\u00e1nh b\u00f3ng khu\u00f4n. Kh\u00f4ng c\u1ea7n d\u1ee5ng c\u1ee5 ri\u00eang cho inox. C\u1ea3m gi\u00e1c hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

Nh\u01b0ng vi\u1ec7c ch\u1ecdn \u0111\u1ed9 d\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u1ec3 tr\u00e1nh v\u1ebft khu\u00f4n. M\u00e0ng 0.022 inch v\u00e0 0.030 inch kh\u00f4ng ch\u1ec9 b\u1ea3o v\u1ec7 kh\u00e1c nhau \u2014 ch\u00fang l\u00e0m thay \u0111\u1ed5i h\u00ecnh h\u1ecdc khu\u00f4n hi\u1ec7u d\u1ee5ng kh\u00e1c nhau. Ch\u00eanh 8 ph\u1ea7n ngh\u00ecn inch. Trong \u00e9p u\u1ed1n gi\u00f3, ch\u00eanh \u0111\u00f3 l\u00e0 \u0111\u1ed9 g\u00f3c.<\/p>\n\n\n\n

V\u00e0 \u0111\u00e2y l\u00e0 ph\u1ea7n \u00edt ai nh\u1eafc: m\u00e0ng film c\u00f3 th\u1ec3 che gi\u1ea5u khung m\u00e1y y\u1ebfu ho\u1eb7c d\u1ee5ng c\u1ee5 m\u00f2n. B\u1ea1n th\u1ea5y \u00edt v\u1ebft h\u01a1n n\u00ean ngh\u0129 \u1ed5n \u0111\u1ecbnh h\u01a1n. Trong khi m\u00e1y v\u1eabn bi\u1ebfn d\u1ea1ng khi ch\u1ecbu t\u1ea3i, v\u00e0 gi\u1edd l\u1edbp v\u1eadt li\u1ec7u n\u00e9n \u0111\u01b0\u1ee3c l\u1ea1i th\u00eam \u0111\u1ed3 th\u1ecb bi\u1ebfn d\u1ea1ng ri\u00eang v\u00e0o tr\u00ean \u0111\u00f3. Hai h\u1ec7 th\u1ed1ng \u0111\u00e0n h\u1ed3i ch\u1ed3ng l\u00ean nhau.<\/p>\n\n\n\n

B\u1ea1n kh\u00f4ng th\u00eam s\u1ef1 b\u1ea3o v\u1ec7. B\u1ea1n \u0111ang th\u00eam \u0111\u1ed9 \u201cm\u1ec1m d\u1ebbo\u201d.<\/p>\n\n\n\n

Phanh \u00e9p c\u1ee7a b\u1ea1n c\u00f3 \u0111\u1ee7 \u0111\u1ed9 c\u1ee9ng \u0111\u1ec3 vi\u1ec7c th\u00eam m\u1ed9t l\u1edbp m\u1ec1m kh\u00f4ng l\u00e0m khu\u1ebfch \u0111\u1ea1i \u0111\u1ed9 v\u00f5ng \u1edf gi\u1eefa nh\u1ecbp kh\u00f4ng?<\/p>\n\n\n\n

T\u1ea1i Sao \u00c9p Ch\u00e0y S\u00e2u H\u01a1n \u0110\u1ec3 B\u00f9 L\u1ed7i L\u1ea1i L\u00e0 M\u1ed9t C\u00e1i B\u1eaby Tonnage<\/h3>\n\n\n\n
\"T\u1ea1i<\/figure>\n\n\n\n

T\u00f4i \u0111\u00e3 th\u1ea5y c\u00e1ch \u201cch\u1eefa ch\u00e1y\u201d n\u00e0y qu\u00e1 nhi\u1ec1u l\u1ea7n: g\u00f3c b\u1ecb thi\u1ebfu, n\u00ean ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u1ea5n ch\u00e0y s\u00e2u h\u01a1n. N\u0103m ph\u1ea7n ngh\u00ecn. M\u01b0\u1eddi. C\u1ee9 ti\u1ebfp t\u1ee5c cho \u0111\u1ebfn khi \u0111\u1ed3ng h\u1ed3 \u0111o hi\u1ec3n th\u1ecb 90\u00b0.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 \u0111i\u1ec1u \u0111ang x\u1ea3y ra t\u1ea1i \u0111\u01b0\u1eddng g\u1ea5p. Ch\u00e0y \u0111i xu\u1ed1ng, t\u1ea5m kim lo\u1ea1i ch\u1ea1m v\u00e0o m\u00e0ng, m\u00e0ng b\u1ecb n\u00e9n l\u1ea1i tr\u01b0\u1edbc khi to\u00e0n b\u1ed9 l\u1ef1c truy\u1ec1n sang v\u1eadt li\u1ec7u. \u0110\u1ec3 \u0111\u1ea1t c\u00f9ng b\u00e1n k\u00ednh b\u00ean trong, gi\u1edd b\u1ea1n ph\u1ea3i \u0111i xa h\u01a1n. Qu\u00e3ng h\u00e0nh tr\u00ecnh th\u00eam n\u00e0y l\u00e0m t\u0103ng nhanh l\u1ef1c t\u1ea1o h\u00ecnh khi b\u1ea1n ti\u1ebfn g\u1ea7n \u0111\u1ebfn \u0111\u00e1y v\u00f9ng u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed.<\/p>\n\n\n\n

L\u1ef1c \u00e9p kh\u00f4ng t\u0103ng m\u1ed9t c\u00e1ch t\u1eeb t\u1ed1n. N\u00f3 t\u0103ng \u0111\u1ed9t ng\u1ed9t.<\/p>\n\n\n\n

B\u1ea1n \u0111ang \u0111\u1ea9y m\u1ea1nh h\u01a1n kh\u00f4ng ch\u1ec9 l\u00ean th\u00e9p, m\u00e0 c\u00f2n l\u00ean m\u1ed9t l\u1edbp polymer \u0111ang b\u1ecb n\u00e9n v\u00e0 ph\u1ea3n kh\u00e1ng m\u1ed9t c\u00e1ch kh\u00f3 \u0111o\u00e1n khi n\u00f3 \u0111\u1eb7c l\u1ea1i. Tr\u00ean m\u1ed9t \u0111o\u1ea1n u\u1ed1n d\u00e0i 8 feet b\u1eb1ng inox 304, \u0111\u1ed9 xuy\u00ean th\u00eam \u0111\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 t\u0103ng v\u1ecdt r\u00f5 r\u1ec7t tr\u00ean \u0111\u1ed3ng h\u1ed3 t\u1ea3i. Gi\u1edd b\u1ea1n \u0111\u00e3 ti\u1ebfn g\u1ea7n \u0111\u1ebfn gi\u1edbi h\u1ea1n c\u1ee7a d\u1ee5ng c\u1ee5, g\u1ea7n gi\u1edbi h\u1ea1n c\u1ee7a m\u00e1y \u2014 t\u1ea5t c\u1ea3 ch\u1ec9 v\u00ec b\u1ea1n kh\u00f4ng hi\u1ec7u ch\u1ec9nh l\u1ea1i cho 0,030 inch l\u1edbp \u0111\u1ec7m.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 thay \u0111\u1ed5i t\u01b0 duy m\u00e0 t\u00f4i c\u1ea7n b\u1ea1n th\u1ef1c hi\u1ec7n: ng\u1eebng coi m\u00e0ng b\u1ea3o v\u1ec7 nh\u01b0 b\u0103ng d\u00ednh, v\u00e0 b\u1eaft \u0111\u1ea7u coi n\u00f3 nh\u01b0 m\u1ed9t thay \u0111\u1ed5i d\u1ee5ng c\u1ee5 \u0111\u00f2i h\u1ecfi m\u1ed9t b\u1ea3ng thi\u1ebft l\u1eadp m\u1edbi.<\/p>\n\n\n\n

Khi b\u1ea1n g\u1eafn l\u1edbp m\u00e0ng b\u1ea3o v\u1ec7 g\u1ea7n \u0111\u00e2y nh\u1ea5t, b\u1ea1n c\u00f3 c\u1eadp nh\u1eadt kh\u1ea9u \u0111\u1ed9 khu\u00f4n trong b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 ph\u1ea3n \u00e1nh \u0111\u1ed9 d\u00e0y b\u1ed5 sung v\u00e0 \u0111\u01b0\u1eddng cong n\u00e9n \u2014 hay b\u1ea1n ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 \u00e9p ch\u00e0y s\u00e2u h\u01a1n v\u00e0 hy v\u1ecdng k\u1ebft qu\u1ea3 \u0111\u00fang?<\/p>\n\n\n\n

\u0110i\u1ec1u Th\u1ef1c S\u1ef1 Di\u1ec5n Ra \u1ede \u0110\u01b0\u1eddng G\u1ea5p (H\u00ecnh H\u1ecdc \u1ea8n C\u1ee7a D\u1ee5ng C\u1ee5)<\/h2>\n\n\n\n

B\u1ea1n mu\u1ed1n bi\u1ebft c\u00e1ch hi\u1ec7u ch\u1ec9nh l\u1ea1i ch\u01b0\u01a1ng tr\u00ecnh khi th\u00eam polyurethane \u0111\u1ec3 g\u00f3c kh\u00f4ng \u0111\u1ed5i v\u00e0 \u0111\u1ed3ng h\u1ed3 t\u1ea3i kh\u00f4ng t\u0103ng \u0111\u1ed9t bi\u1ebfn.<\/p>\n\n\n\n

B\u1eaft \u0111\u1ea7u \u1edf \u0111\u00e2y: kh\u00f4ng c\u00f3 \u0111i\u1ec1u g\u00ec \u201chuy\u1ec1n b\u00ed\u201d \u0111ang x\u1ea3y ra c\u1ea3. H\u00ecnh h\u1ecdc \u1edf \u0111\u01b0\u1eddng g\u1ea5p \u0111\u00e3 thay \u0111\u1ed5i tr\u01b0\u1edbc khi th\u00e9p b\u1eaft \u0111\u1ea7u bi\u1ebfn d\u1ea1ng d\u1ebbo. Cho \u0111\u1ebfn khi b\u1ea1n hi\u1ec3u ch\u00ednh x\u00e1c 0,015 hay 0,030 inch \u0111\u00f3 \u0111i \u0111\u00e2u khi ch\u1ecbu t\u1ea3i, b\u1ea1n v\u1eabn \u0111ang \u0111o\u00e1n \u0111\u1ed9 s\u00e2u c\u1ee7a c\u1ea7n \u00e9p v\u00e0 g\u1ecdi \u0111\u00f3 l\u00e0 thi\u1ebft l\u1eadp.<\/p>\n\n\n\n

T\u00f4i \u0111\u00e3 c\u1eaft c\u00e1c m\u1eabu u\u1ed1n th\u1eed khi d\u1eebng h\u00e0nh tr\u00ecnh gi\u1eefa chu k\u1ef3. Nh\u1eefng g\u00ec b\u1ea1n th\u1ea5y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t d\u1ea5u in khu\u00f4n V s\u1ea1ch. B\u1ea1n th\u1ea5y vai polymer b\u1ecb d\u1eb9t, th\u00e9p ch\u1ec9 m\u1edbi b\u1eaft \u0111\u1ea7u \u00f4m quanh, v\u00e0 ch\u00e0y \u0111\u00e3 \u0111i xa h\u01a1n so v\u1edbi ch\u01b0\u01a1ng tr\u00ecnh c\u0169. M\u00e0ng \u0111\u00e3 b\u1ecb bi\u1ebfn d\u1ea1ng tr\u01b0\u1edbc khi kim lo\u1ea1i b\u1eaft \u0111\u1ea7u bi\u1ebfn d\u1ea1ng d\u1ebbo.<\/p>\n\n\n\n

\u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ee7a b\u1ea1n \u0111ang gi\u1ea3i sai tam gi\u00e1c.<\/p>\n\n\n\n

Tr\u01b0\u1edbc \u0111\u00e2y b\u1ea1n t\u00ednh \u0111\u1ed9 xuy\u00ean d\u1ef1a tr\u00ean kh\u1ea9u \u0111\u1ed9 V \u0111\u00e3 bi\u1ebft, \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u v\u00e0 b\u00e1n k\u00ednh trong m\u1ee5c ti\u00eau. Gi\u1edd c\u00f3 m\u1ed9t l\u1edbp n\u00e9n \u0111ang thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng kh\u1ea9u \u0111\u1ed9 V \u0111\u00f3 m\u1ed9t c\u00e1ch \u0111\u1ed9ng trong su\u1ed1t h\u00e0nh tr\u00ecnh. Kh\u1ea9u \u0111\u1ed9 khu\u00f4n m\u00e0 CNC c\u1ee7a b\u1ea1n cho l\u00e0 1,000 inch th\u1ef1c t\u1ebf kh\u00f4ng ph\u1ea3i 1,000 inch khi ti\u1ebfp x\u00fac, kh\u00f4ng ph\u1ea3i 1,000 inch \u1edf n\u1eeda t\u1ea3i, v\u00e0 c\u0169ng kh\u00f4ng ph\u1ea3i 1,000 inch \u1edf t\u1ea3i t\u1ed1i \u0111a.<\/p>\n\n\n\n

V\u1eady khi b\u1ea1n nh\u1eadp c\u00f9ng c\u00e1c th\u00f4ng s\u1ed1 v\u00e0 k\u1ef3 v\u1ecdng v\u1eabn \u0111\u01b0\u1ee3c g\u00f3c 90\u00b0, th\u00ec th\u1ef1c ra b\u1ea1n \u0111ang u\u1ed1n d\u1ef1a tr\u00ean c\u00e1i g\u00ec?<\/p>\n\n\n\n

\u0110\u1ed9 D\u00e0y C\u1ee7a M\u00e0ng Th\u1ef1c S\u1ef1 \u0110i \u0110\u00e2u Trong Qu\u00e1 Tr\u00ecnh U\u1ed1n?<\/h3>\n\n\n\n

L\u1ea5y m\u1ed9t khu\u00f4n V 1,000 inch v\u00e0 b\u1ecdc th\u00eam m\u1ed9t l\u1edbp m\u00e0ng 0,030 inch tr\u00ean c\u1ea3 hai vai. Tr\u00ean l\u00fd thuy\u1ebft, b\u1ea1n v\u1eeba gi\u1ea3m kh\u1ea9u \u0111\u1ed9 xu\u1ed1ng 0,060 inch. \u0110\u00f3 l\u00e0 \u0111i\u1ec1u h\u1ea7u h\u1ebft ng\u01b0\u1eddi v\u1eadn h\u00e0nh th\u01b0\u1eddng gi\u1ea3 \u0111\u1ecbnh.<\/p>\n\n\n\n

Nh\u01b0ng 20\u201330% h\u00e0nh tr\u00ecnh \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1n kh\u00f4ng \u201cthu nh\u1ecf\u201d kh\u1ea9u \u0111\u1ed9 V. N\u00f3 n\u00e9n \u0111\u1ec9nh c\u1ee7a m\u00e0ng n\u01a1i t\u1ea5m kim lo\u1ea1i ti\u1ebfp x\u00fac \u0111\u1ea7u ti\u00ean. V\u1eadt li\u1ec7u v\u1eabn ch\u01b0a b\u1eaft \u0111\u1ea7u t\u1ea1o h\u00ecnh; b\u1ea1n \u0111ang n\u1ea1p tr\u01b0\u1edbc m\u1ed9t l\u1edbp \u0111\u1ec7m. M\u00e0ng lan theo chi\u1ec1u ngang d\u1ecdc vai khu\u00f4n, m\u1ecfng h\u01a1n \u1edf \u0111\u1ec9nh v\u00e0 d\u00e0y h\u01a1n nh\u1eb9 v\u1ec1 hai b\u00ean.<\/p>\n\n\n\n

N\u00f3 kh\u00f4ng bi\u1ebfn m\u1ea5t. N\u00f3 ch\u1ec9 di chuy\u1ec3n l\u1ea1i.<\/p>\n\n\n\n

Khi ch\u1ecbu t\u1ea3i, polyurethane c\u00f3 h\u00e0nh vi \u0111\u00e0n nh\u1edbt. N\u00f3 n\u00e9n v\u00e0 ch\u1ea3y, r\u1ed3i c\u1ee9ng l\u1ea1i khi tr\u1edf n\u00ean \u0111\u1eb7c h\u01a1n. \u1ede giai \u0111o\u1ea1n \u0111\u1ea7u c\u1ee7a h\u00e0nh tr\u00ecnh, kh\u1ea9u \u0111\u1ed9 V hi\u1ec7u d\u1ee5ng c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 1,020 inch v\u00ec t\u1ea5m kim lo\u1ea1i \u0111ang t\u1ef3 tr\u00ean vai tr\u00f2n, n\u00e9n thay v\u00ec m\u00e9p th\u00e9p s\u1eafc. Khi \u0111i s\u00e2u h\u01a1n, sau khi m\u00e0ng \u0111\u00e3 b\u1ecb n\u00e9n ch\u1eb7t, kh\u1ea9u \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng g\u1ea7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 0,940\u20130,960 inch v\u00ec vai khu\u00f4n gi\u1edd \u0111\u00e3 \u0111\u01b0\u1ee3c \u201cx\u00e2y cao\u201d l\u00ean hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

\u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 \u0111\u01b0\u1eddng u\u1ed1n nh\u00ecn th\u1ea5y h\u00ecnh d\u1ea1ng khu\u00f4n thay \u0111\u1ed5i trong m\u1ed9t l\u1ea7n \u00e9p.<\/p>\n\n\n\n

V\u00e0 \u0111\u00e2y l\u00e0 ph\u1ea7n h\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi b\u1ecf qua: b\u1edfi v\u00ec m\u00e0ng phim b\u1ecb n\u00e9n tr\u1ef1c ti\u1ebfp h\u01a1n ngay d\u01b0\u1edbi \u0111\u01b0\u1eddng ti\u1ebfp x\u00fac, b\u1ec1 m\u1eb7t b\u00ean trong c\u1ee7a t\u1ea5m kim lo\u1ea1i ch\u1ecbu r\u00e0ng bu\u1ed9c h\u01a1i kh\u00e1c so v\u1edbi khi d\u00f9ng th\u00e9p \u0111\u00e3 t\u00f4i c\u1ee9ng. B\u1ec1 m\u1eb7t m\u1ec1m h\u01a1n cho ph\u00e9p d\u1ecbch chuy\u1ec3n c\u1ee5c b\u1ed9 v\u00e0o trong nhi\u1ec1u h\u01a1n tr\u01b0\u1edbc khi c\u00f3 s\u1ef1 h\u1ed7 tr\u1ee3 ho\u00e0n to\u00e0n, \u0111i\u1ec1u n\u00e0y \u0111\u1ea9y tr\u1ee5c trung h\u00f2a\u2014l\u1edbp m\u00e0 kh\u00f4ng b\u1ecb k\u00e9o gi\u00e3n hay n\u00e9n\u2014g\u1ea7n h\u01a1n v\u1ec1 trung t\u00e2m c\u1ee7a \u0111\u1ed9 d\u00e0y.<\/p>\n\n\n\n

D\u1ecbch chuy\u1ec3n tr\u1ee5c trung h\u00f2a v\u00e0 b\u1ea1n s\u1ebd thay \u0111\u1ed5i h\u1ec7 s\u1ed1 K c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n

B\u1ea1n c\u00f3 \u0111i\u1ec1u ch\u1ec9nh gi\u00e1 tr\u1ecb kh\u1ea5u tr\u1eeb u\u1ed1n sau khi l\u1eafp m\u00e0ng phim kh\u00f4ng, hay v\u1eabn s\u1eed d\u1ee5ng h\u1ec7 s\u1ed1 K t\u1eeb d\u1ee5ng c\u1ee5 tr\u1ea7n?<\/p>\n\n\n\n

Y\u1ebfu t\u1ed1 Durometer: B\u1ea1n \u0111ang u\u1ed1n d\u1ef1a v\u00e0o polyurethane hay \u0111ang n\u00e9n n\u00f3?<\/h3>\n\n\n\n

T\u00f4i \u0111\u00e3 ch\u1ea1y urethane \u0111\u1ed9 c\u1ee9ng 85A v\u00e0 95A tr\u00ean c\u00f9ng m\u1ed9t c\u00f4ng vi\u1ec7c v\u1edbi 5052 d\u00e0y 0.125 inch trong V 0.750 inch. C\u00f9ng \u0111\u1ed9 d\u00e0y. Ho\u00e0n to\u00e0n kh\u00e1c nhau v\u1ec1 h\u00e0nh vi g\u00f3c.<\/p>\n\n\n\n

Lo\u1ea1i 85A c\u1ea3m th\u1ea5y \u201cd\u1ec5 ch\u1ecbu\u201d. Kh\u00f4ng c\u00f3 v\u1ebft x\u01b0\u1edbc. Th\u1ee3 v\u1eadn h\u00e0nh r\u1ea5t th\u00edch. Nh\u01b0ng nh\u1eefng l\u1ea7n \u00e9p \u0111\u1ea7u ti\u00ean b\u1ecb nh\u1eb9 1,5\u00b0. Ch\u00fang t\u00f4i th\u00eam \u0111\u1ed9 xuy\u00ean. Tr\u00ean c\u00e1c chi ti\u1ebft d\u00e0i, t\u1ea3i gi\u1eefa nh\u1ecbp t\u0103ng nhanh h\u01a1n d\u1ef1 \u0111o\u00e1n. M\u00e0ng phim ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t l\u00f2 xo ph\u1ee5 \u0111\u1eb7t l\u00ean tr\u00ean \u0111\u01b0\u1eddng cong \u0111\u1ed9 v\u00f5ng c\u1ee7a m\u00e1y.<\/p>\n\n\n\n

Lo\u1ea1i 95A? \u00cdt n\u00e9n th\u1ea5y r\u00f5 h\u01a1n. G\u00f3c g\u1ea7n v\u1edbi chu\u1ea9n ban \u0111\u1ea7u h\u01a1n. \u00cdt c\u1ea7n th\u00eam h\u00e0nh tr\u00ecnh h\u01a1n.<\/p>\n\n\n\n

Durometer \u0111\u01a1n gi\u1ea3n l\u00e0 \u0111\u1ed9 c\u1ee9ng, \u0111o tr\u00ean thang Shore A d\u00e0nh cho v\u1eadt li\u1ec7u \u0111\u00e0n h\u1ed3i. S\u1ed1 c\u00e0ng cao, v\u1eadt li\u1ec7u c\u00e0ng c\u1ee9ng. Nh\u01b0ng \u0111\u1ed9 c\u1ee9ng \u1edf \u0111\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 c\u1ea3m gi\u00e1c\u2014n\u00f3 x\u00e1c \u0111\u1ecbnh bao nhi\u00eau h\u00e0nh tr\u00ecnh c\u1ee7a \u0111\u1ea7u m\u00e1y \u0111i v\u00e0o bi\u1ebfn d\u1ea1ng polymer tr\u01b0\u1edbc khi bi\u1ebfn d\u1ea1ng th\u00e9p b\u1eaft \u0111\u1ea7u.<\/p>\n\n\n\n

Nghe n\u00e0y, n\u1ebfu b\u1ea1n \u0111ang ch\u1ea1y m\u00e0ng m\u1ec1m 80\u201385A tr\u00ean inox m\u1ecfng, b\u1ea1n \u0111ang ti\u00eau t\u1ed1n h\u00e0nh tr\u00ecnh \u0111o \u0111\u1ebfm \u0111\u01b0\u1ee3c \u0111\u1ec3 n\u00e9n nh\u1ef1a tr\u01b0\u1edbc khi \u0111\u1ea1t \u00e1p l\u1ef1c t\u1ea1o h\u00ecnh th\u1ef1c s\u1ef1. B\u1ea1n \u0111ang \u00e9p kh\u00f4ng ch\u1ec9 v\u00e0o th\u00e9p, m\u00e0 c\u00f2n v\u00e0o polymer n\u00e9n, th\u1ee9 ph\u1ea3n kh\u00e1ng m\u1ed9t c\u00e1ch kh\u00f3 \u0111o\u00e1n khi n\u00f3 \u0111\u1eb7c l\u1ea1i.<\/p>\n\n\n\n

S\u1ef1 kh\u00f3 \u0111o\u00e1n \u0111\u00f3 ch\u00ednh l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c hi\u1ec7u ch\u1ec9nh 0.010 inch c\u1ee7a b\u1ea1n kh\u00f4ng nh\u1ea5t qu\u00e1n t\u1eeb chi ti\u1ebft n\u00e0y sang chi ti\u1ebft kh\u00e1c.<\/p>\n\n\n\n

B\u1ea1n ch\u1ecdn m\u00e0ng phim v\u00ec \u201ckh\u00f4ng tr\u1ea7y x\u01b0\u1edbc\u201d, hay v\u00ec \u0111\u1ed9 c\u1ee9ng durometer ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u v\u00e0 ph\u1ea1m vi l\u1ef1c \u00e9p?<\/p>\n\n\n\n

C\u00e1ch m\u1ed9t m\u00e0ng phim 0.015\u201d (0,4mm) \u00e2m th\u1ea7m thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc m\u1edf hi\u1ec7u d\u1ee5ng c\u1ee7a V-die v\u00e0 \u0111\u1ed9 xuy\u00ean c\u1ee7a ch\u00e0y<\/h3>\n\n\n\n

H\u00e3y \u0111i v\u00e0o c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

B\u1ea1n \u0111ang u\u1ed1n kh\u00f4ng \u00e9p (air bending) inox 304 d\u00e0y 0.135 inch trong V 1.000 inch. \u0110\u1ed9 xuy\u00ean chu\u1ea9n cho 90\u00b0 c\u00f3 th\u1ec3, gi\u1ea3 \u0111\u1ecbnh, l\u00e0 0.350 inch t\u1eeb \u0111i\u1ec3m ti\u1ebfp x\u00fac v\u1eadt li\u1ec7u. Gi\u1edd b\u1ea1n th\u00eam m\u00e0ng 0.015 inch m\u1ed7i vai\u2014t\u1ed5ng c\u1ed9ng 0.030 inch.<\/p>\n\n\n\n

N\u1ebfu m\u00e0ng phim n\u00e9n xu\u1ed1ng 0, b\u1ea1n ch\u1ec9 c\u1ea7n tr\u1eeb 0.030 kh\u1ecfi k\u00edch m\u1edf v\u00e0 \u0111i\u1ec1u ch\u1ec9nh t\u00ednh to\u00e1n u\u1ed1n cho ph\u00f9 h\u1ee3p. To\u00e1n h\u1ecdc \u0111\u01a1n gi\u1ea3n.<\/p>\n\n\n\n

Nh\u01b0ng n\u00f3 kh\u00f4ng n\u00e9n xu\u1ed1ng 0. D\u01b0\u1edbi t\u1ea3i tr\u1ecdng l\u00e0m vi\u1ec7c, c\u00f3 th\u1ec3 n\u00f3 n\u00e9n 40\u201360% t\u00f9y theo durometer v\u00e0 t\u1ea3i tr\u00ean m\u1ed7i inch. V\u1eady k\u00edch m\u1edf hi\u1ec7u d\u1ee5ng c\u1ee7a V c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 0.970\u20130.985 inch \u1edf t\u1ea3i u\u1ed1n\u2014kh\u00f4ng ph\u1ea3i 1.000, c\u0169ng kh\u00f4ng ph\u1ea3i 0.970 m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n, m\u00e0 \u1edf \u0111\u00e2u \u0111\u00f3 gi\u1eefa hai gi\u00e1 tr\u1ecb t\u00f9y v\u00e0o chi\u1ec1u d\u00e0i chi ti\u1ebft v\u00e0 ph\u00e2n b\u1ed1 t\u1ea3i.<\/p>\n\n\n\n

K\u00edch m\u1edf V nh\u1ecf h\u01a1n trong u\u1ed1n kh\u00f4ng \u00e9p ngh\u0129a l\u00e0 b\u00e1n k\u00ednh b\u00ean trong ch\u1eb7t h\u01a1n v\u00e0 l\u1ef1c h\u1ed3i \u0111\u00e0n h\u1ed3i l\u1edbn h\u01a1n. \u0110\u1ec3 \u0111\u1ea1t c\u00f9ng 90\u00b0, b\u1ea1n th\u01b0\u1eddng c\u1ea7n \u0111\u1ed9 xuy\u00ean ch\u00e0y s\u00e2u h\u01a1n v\u00ec h\u1ec7 th\u1ed1ng \u0111\u00e3 h\u1ea5p th\u1ee5 m\u1ed9t ph\u1ea7n h\u00e0nh tr\u00ecnh trong n\u00e9n ban \u0111\u1ea7u, r\u1ed3i m\u1edbi c\u1ee9ng l\u00ean sau \u0111\u00f3.<\/p>\n\n\n\n

Th\u00eam 0.010\u20130.020 inch h\u00e0nh tr\u00ecnh \u0111\u1ea7u m\u00e1y nghe c\u00f3 v\u1ebb kh\u00f4ng nhi\u1ec1u.<\/p>\n\n\n\n

Tr\u00ean m\u1ed9t \u0111\u01b0\u1eddng u\u1ed1n d\u00e0i 8 feet trong inox, n\u00f3 c\u00f3 th\u1ec3 \u0111\u1ed3ng ngh\u0129a v\u1edbi v\u00e0i t\u1ea5n l\u1ef1c b\u1ed5 sung tr\u00ean m\u1ed7i foot khi b\u1ea1n ti\u1ebfn g\u1ea7n \u0111\u00e1y c\u1eeda s\u1ed5 u\u1ed1n kh\u00f4ng \u00e9p.<\/p>\n\n\n\n

B\u00e2y gi\u1edd h\u00e3y \u0111\u1eb7t \u0111i\u1ec1u \u0111\u00f3 l\u00ean m\u1ed9t m\u00e1y \u0111\u00e3 \u0111\u01b0\u1ee3c b\u00f9 tr\u1eeb cho \u0111\u1ed9 l\u1ec7ch khung v\u00e0 \u0111\u1ed9 cong. B\u1ea1n \u0111ang \u0111\u01b0a v\u00e0o m\u1ed9t chi\u1ec1u r\u1ed9ng V-die bi\u1ebfn thi\u00ean thay \u0111\u1ed5i theo t\u1ea3i tr\u1ecdng. Vi\u1ec7c hi\u1ec7u ch\u1ec9nh g\u00f3c d\u1ef1a tr\u00ean l\u1ef1c \u00e9p c\u1ee7a CNC c\u1ee7a b\u1ea1n \u0111ang ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean gi\u1ea3 \u0111\u1ecbnh th\u00e9p-\u0111\u1ebfn-th\u00e9p.<\/p>\n\n\n\n

B\u1ea1n \u0111\u00e3 nh\u1eadp m\u1ed9t chi\u1ec1u r\u1ed9ng hi\u1ec7u d\u1ee5ng m\u1edbi c\u1ee7a khu\u00f4n v\u00e0o b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 x\u00e1c nh\u1eadn b\u1eb1ng phi\u1ebfu th\u1eed \u2014 hay b\u1ea1n v\u1eabn \u0111ang n\u00f3i v\u1edbi m\u00e1y r\u1eb1ng \u0111\u00f3 l\u00e0 V 1.000 inch v\u00ec \u0111\u00f3 l\u00e0 th\u00f4ng s\u1ed1 \u0111\u01b0\u1ee3c \u0111\u00f3ng tr\u00ean d\u1ee5ng c\u1ee5?<\/p>\n\n\n\n

T\u1ea1i sao Springback t\u0103ng l\u00ean tr\u00ean th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 nh\u00f4m khi c\u00f3 b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac m\u1ec1m h\u01a1n<\/h3>\n\n\n\n

U\u1ed1n m\u1ed9t chi ti\u1ebft 5052-H32 d\u00e0y 0.090 inch v\u1edbi d\u1ee5ng c\u1ee5 tr\u1ea7n. \u0110o springback. Sau \u0111\u00f3 ch\u1ea1y c\u00f9ng c\u00f4ng vi\u1ec7c v\u1edbi m\u00e0ng m\u1ec1m d\u00e0y 0.030 inch. Nhi\u1ec1u x\u01b0\u1edfng b\u00e1o r\u1eb1ng m\u00e0ng \u201ckhi\u1ebfn n\u00f3 b\u1ecb u\u1ed1n thi\u1ebfu h\u01a1n.\u201d<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao.<\/p>\n\n\n\n

Springback l\u00e0 s\u1ef1 h\u1ed3i ph\u1ee5c \u0111\u00e0n h\u1ed3i sau khi b\u1ecf t\u1ea3i. L\u01b0\u1ee3ng bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong c\u00e1c s\u1ee3i ngo\u00e0i c\u00e0ng ch\u1eb7t th\u00ec n\u00f3 c\u00e0ng mu\u1ed1n m\u1edf ra. Khi b\u1ea1n \u0111\u01b0a v\u00e0o m\u1ed9t b\u1ec1 m\u1eb7t m\u1ec1m h\u01a1n, x\u1ea3y ra hai \u0111i\u1ec1u:<\/p>\n\n\n\n

Th\u1ee9 nh\u1ea5t, vi\u1ec7c n\u00e9n s\u1edbm trong m\u00e0ng l\u00e0m tr\u00ec ho\u00e3n s\u1ef1 tham gia ho\u00e0n to\u00e0n v\u1ec1 bi\u1ebfn d\u1ea1ng d\u1ebbo c\u1ee7a kim lo\u1ea1i. B\u1ea1n ti\u00eau t\u1ed1n m\u1ed9t ph\u1ea7n h\u00e0nh tr\u00ecnh \u0111\u1ec3 t\u1ea1o \u00e1p l\u1ef1c trong polymer thay v\u00ec \u0111\u01b0a bi\u1ebfn d\u1ea1ng v\u00e0o t\u1ea5m kim lo\u1ea1i.<\/p>\n\n\n\n

Th\u1ee9 hai, ma s\u00e1t gi\u1ea3m t\u1ea1i vai khu\u00f4n \u2014 v\u00ec urethane th\u00edch nghi v\u00e0 ph\u00e2n ph\u1ed1i \u00e1p l\u1ef1c \u2014 cho ph\u00e9p v\u1eadt li\u1ec7u ch\u1ea3y nhi\u1ec1u h\u01a1n m\u1ed9t ch\u00fat trong qu\u00e1 tr\u00ecnh u\u1ed1n. Gi\u1ea3m h\u1ea1n ch\u1ebf t\u1ea1i c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac ngh\u0129a l\u00e0 t\u1ea5m c\u00f3 th\u1ec3 h\u1ed3i ph\u1ee5c t\u1ef1 do h\u01a1n sau khi b\u1ecf t\u1ea3i.<\/p>\n\n\n\n

Tr\u00ean th\u00e9p kh\u00f4ng g\u1ec9, v\u1ed1n \u0111\u00e3 c\u00f3 gi\u1edbi h\u1ea1n ch\u1ea3y cao h\u01a1n v\u00e0 springback r\u00f5 r\u1ec7t, b\u1ec1 m\u1eb7t m\u1ec1m h\u01a1n l\u00e0m t\u0103ng hi\u1ec7u \u1ee9ng n\u00e0y. Tr\u00ean nh\u00f4m, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c lo\u1ea1i 5052 ho\u1eb7c 6061-T6, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa vai th\u00e9p c\u1ee9ng v\u00e0 vai c\u00f3 \u0111\u1ec7m s\u1ebd hi\u1ec7n ra nh\u01b0 m\u1ed9t ho\u1eb7c hai \u0111\u1ed9 m\u1edf th\u00eam tr\u1eeb khi b\u1ea1n b\u00f9 tr\u1eeb.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 l\u00fd do m\u1ed9t s\u1ed1 x\u01b0\u1edfng th\u1ec1 r\u1eb1ng m\u00e0ng \u201clu\u00f4n u\u1ed1n thi\u1ebfu th\u00e9p kh\u00f4ng g\u1ec9.\u201d<\/p>\n\n\n\n

\u0110\u00f3 kh\u00f4ng ph\u1ea3i m\u00ea t\u00edn. \u0110\u00f3 l\u00e0 n\u0103ng l\u01b0\u1ee3ng \u0111\u00e0n h\u1ed3i \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef v\u00e0 \u0111i\u1ec1u ki\u1ec7n h\u1ea1n ch\u1ebf \u0111\u00e3 thay \u0111\u1ed5i.<\/p>\n\n\n\n

V\u00ec v\u1eady khi b\u1ea1n g\u1eafn d\u1ea3i \u0111\u00f3 v\u00e0o v\u00e0 c\u1ed1 \u0111\u1ea1t 90\u00b0 theo c\u1ea3m gi\u00e1c, b\u1ea1n c\u00f3 t\u00ednh to\u00e1n cho vi\u1ec7c t\u0103ng springback trong b\u1ea3ng hi\u1ec7u ch\u1ec9nh g\u00f3c c\u1ee7a m\u00ecnh \u2014 hay b\u1ea1n v\u1eabn ph\u1ea3n \u1ee9ng t\u1eebng chi ti\u1ebft, t\u1ef1 h\u1ecfi t\u1ea1i sao s\u1ed1 li\u1ec7u h\u00f4m qua kh\u00f4ng kh\u1edbp h\u00f4m nay?<\/p>\n\n\n\n

So s\u00e1nh c\u00e1c lo\u1ea1i m\u00e0ng urethane h\u00e0ng \u0111\u1ea7u: \u0110\u00e1nh \u0111\u1ed5i gi\u1eefa \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c<\/h2>\n\n\n\n

B\u1ea1n mu\u1ed1n bi\u1ebft c\u00e1ch t\u00ednh l\u1ea1i \u0111\u1ed9 s\u00e2u ch\u00e0y, chi\u1ec1u r\u1ed9ng khu\u00f4n hi\u1ec7u d\u1ee5ng, v\u00e0 ph\u00e9p kh\u1ea5u tr\u1eeb u\u1ed1n \u0111\u1ec3 g\u00f3c \u0111\u1ea1t \u0111\u00fang nh\u01b0 nhau m\u1ed7i l\u1ea7n v\u1edbi m\u00e0ng \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o.<\/p>\n\n\n\n

B\u1eaft \u0111\u1ea7u \u1edf \u0111\u00e2y: \u0111\u1ed9 d\u00e0y b\u1ea1n g\u1eafn v\u00e0o vai khu\u00f4n kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ea3o v\u1ec7. N\u00f3 l\u00e0 h\u00ecnh h\u1ecdc.<\/p>\n\n\n\n

T\u00f4i \u0111\u00e3 ch\u1ea1y c\u00f9ng m\u1ed9t c\u00f4ng vi\u1ec7c th\u00e9p kh\u00f4ng g\u1ec9 304 d\u00e0y 0.135 inch trong V 1.000 inch v\u1edbi ba lo\u1ea1i m\u00e0ng: 0.015, 0.030, v\u00e0 0.040 inch. C\u00f9ng ch\u00e0y. C\u00f9ng \u0111\u01b0\u1eddng cong l\u1ef1c \u00e9p. C\u00f9ng ch\u01b0\u01a1ng tr\u00ecnh CNC. Ch\u1ec9 m\u00e0ng thay \u0111\u1ed5i. Lo\u1ea1i 0.015 c\u1ea7n kho\u1ea3ng 0.008\u20130.010 inch th\u00e2m nh\u1eadp th\u00eam \u0111\u1ec3 \u0111\u1ea1t 90\u00b0. Lo\u1ea1i 0.030 c\u1ea7n g\u1ea7n 0.015\u20130.020. Lo\u1ea1i 0.040? L\u00e0 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p kh\u00e1c \u2014 h\u01a1n 0.025 inch s\u00e2u h\u01a1n, v\u00e0 b\u00e1n k\u00ednh b\u00ean trong t\u0103ng \u0111\u1ee7 \u0111\u1ec3 ph\u00e9p kh\u1ea5u tr\u1eeb u\u1ed1n l\u1ec7ch h\u01a1n 0.030 inch tr\u00ean m\u00e9p 10 inch.<\/p>\n\n\n\n

\u0110\u00f3 kh\u00f4ng ph\u1ea3i \u201cb\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t.\u201d \u0110\u00f3 l\u00e0 m\u1ed9t l\u1edbp \u0111\u1ec7m m\u1ec1m \u0111\u01b0\u1ee3c ch\u00e8n v\u00e0o m\u1ed9t khu\u00f4n ch\u00ednh x\u00e1c. M\u1ed7i ph\u1ea7n ngh\u00ecn inch \u0111\u1ec7m thay \u0111\u1ed5i b\u1ea3n \u0111\u00fac.<\/p>\n\n\n\n

C\u01a1 ch\u1ebf \u1edf \u0111\u00e2y: m\u00e0ng d\u00e0y h\u01a1n ngh\u0129a l\u00e0 nhi\u1ec1u h\u00e0nh tr\u00ecnh h\u01a1n d\u00e0nh cho vi\u1ec7c n\u00e9n urethane tr\u01b0\u1edbc khi th\u00e9p b\u1ecb ch\u1ea3y. N\u00e9n kh\u00f4ng tuy\u1ebfn t\u00ednh. \u1ede t\u1ea3i th\u1ea5p, n\u00f3 s\u1ee5p d\u1ec5 d\u00e0ng; \u1edf t\u1ea3i cao h\u01a1n, n\u00f3 c\u1ee9ng l\u1ea1i nhanh. V\u00ec v\u1eady V-opening hi\u1ec7u d\u1ee5ng c\u1ee7a b\u1ea1n d\u01b0\u1edbi l\u1ef1c \u00e9p l\u00e0m vi\u1ec7c kh\u00f4ng c\u00f2n l\u00e0 ph\u00e9p tr\u1eeb \u0111\u01a1n gi\u1ea3n \u0111\u1ed9 d\u00e0y m\u00e0ng n\u1eefa \u2014 m\u00e0 l\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea3i. \u0110i\u1ec1u \u0111\u00f3 ngh\u0129a l\u00e0 m\u00f4 h\u00ecnh air-bend c\u1ee7a CNC c\u1ee7a b\u1ea1n, v\u1ed1n gi\u1ea3 \u0111\u1ecbnh chi\u1ec1u r\u1ed9ng khu\u00f4n c\u1ed1 \u0111\u1ecbnh v\u00e0 ti\u1ebfp x\u00fac th\u00e9p-\u0111\u1ebfn-th\u00e9p, \u0111ang gi\u1ea3i sai tam gi\u00e1c.<\/p>\n\n\n\n

V\u00e0 m\u00e0ng c\u00e0ng d\u00e0y \u2014 .020, .030, .040 inch v\u00e0 h\u01a1n n\u1eefa \u2014 th\u00ec b\u1ea1n c\u00e0ng u\u1ed1n d\u1ef1a v\u00e0o urethane tr\u01b0\u1edbc khi u\u1ed1n th\u00e9p.<\/p>\n\n\n\n

V\u00ec v\u1eady, s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i kh\u00f4ng ch\u1ec9 l\u00e0 \u0111\u1ed9 b\u1ec1n so v\u1edbi tr\u1ea7y x\u01b0\u1edbc. \u0110\u00f3 l\u00e0 \u0111\u1ed9 b\u1ec1n so v\u1edbi kh\u1ea3 n\u0103ng d\u1ef1 \u0111o\u00e1n. B\u1ea1n \u0111ang t\u1ed1i \u01b0u cho c\u00e1i n\u00e0o tr\u00ean m\u00e1y hi\u1ec7n t\u1ea1i c\u1ee7a m\u00ecnh?<\/p>\n\n\n\n

M\u00e0ng m\u1ecfng (.010\u201d \u2013 .015\u201d): \u0110\u1ed9 ch\u00ednh x\u00e1c t\u1ed1i \u0111a, nh\u01b0ng tu\u1ed5i th\u1ecd gi\u1edbi h\u1ea1n tr\u00ean c\u00e1c c\u1ea1nh s\u1eafc<\/h3>\n\n\n\n

H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t d\u1ea3i polyurethane d\u00e0y 0,012 inch, Shore 90A, tr\u00ean m\u1ed9t khu\u00f4n ch\u1eef V 0,750 inch \u0111\u1ec3 t\u1ea1o h\u00ecnh t\u1ea5m 5052 d\u00e0y 0,090 inch. 50 chi ti\u1ebft \u0111\u1ea7u ti\u00ean? Ho\u00e0n h\u1ea3o. G\u00f3c trong ph\u1ea1m vi \u00b10,5\u00b0. H\u00e0nh tr\u00ecnh d\u01b0 t\u1ed1i thi\u1ec3u\u2014ch\u1ec9 kho\u1ea3ng 0,006 inch v\u01b0\u1ee3t m\u1ee9c c\u01a1 b\u1ea3n khi kh\u00f4ng d\u00f9ng phim. \u0110\u1ed9 d\u1ecbch chuy\u1ec3n suy gi\u1ea3m u\u1ed1n nh\u1ecf \u0111\u1ebfn m\u1ee9c b\u1ea1n c\u00f3 th\u1ec3 b\u00f9 l\u1ea1i b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh nh\u1eb9 h\u1ec7 s\u1ed1 K.<\/p>\n\n\n\n

T\u1ea1i sao l\u1ea1i \u1ed5n \u0111\u1ecbnh nh\u01b0 v\u1eady?<\/p>\n\n\n\n

B\u1edfi v\u00ec l\u1edbp phim m\u1ecfng ho\u1ea1t \u0111\u1ed9ng g\u1ea7n gi\u1ed1ng nh\u01b0 m\u1ed9t l\u1edbp ph\u1ee7 \u0111\u00e0n h\u1ed3i h\u01a1n l\u00e0 m\u1ed9t l\u1edbp c\u1ea5u tr\u00fac. \u0110\u1ed9 bi\u1ebfn d\u1ea1ng trong v\u1eadt li\u1ec7u polymer khi u\u1ed1n t\u1ef7 l\u1ec7 v\u1edbi t\u1ec9 s\u1ed1 gi\u1eefa \u0111\u1ed9 d\u00e0y v\u00e0 b\u00e1n k\u00ednh u\u1ed1n. G\u1ea5p \u0111\u00f4i \u0111\u1ed9 d\u00e0y th\u00ec \u0111\u1ed9 bi\u1ebfn d\u1ea1ng b\u1ec1 m\u1eb7t c\u0169ng g\u1ea5p \u0111\u00f4i \u1edf c\u00f9ng b\u00e1n k\u00ednh u\u1ed1n. Gi\u1eef cho n\u00f3 m\u1ecfng th\u00ec polymer s\u1ebd u\u1ed1n cong thay v\u00ec b\u1ecb n\u00e9n v\u1ee1. Trong c\u00e1c th\u1eed nghi\u1ec7m c\u01a1 c\u1ea5u ch\u1ea5p h\u00e0nh m\u00e0 t\u00f4i \u0111\u00e3 th\u1ea5y, l\u1edbp d\u00e0y 50 micron cho ph\u00e9p bi\u1ebfn d\u1ea1ng l\u1edbn h\u01a1n \u0111\u00e1ng k\u1ec3 tr\u01b0\u1edbc khi h\u1ea1n ch\u1ebf chuy\u1ec3n \u0111\u1ed9ng so v\u1edbi l\u1edbp d\u00e0y 130 micron. D\u1ecbch \u0111i\u1ec1u \u0111\u00f3 sang m\u00e1y ch\u1ea5n: phim m\u1ecfng \u00edt c\u1ea3n tr\u1edf \u0111\u01b0\u1eddng u\u1ed1n t\u1ef1 nhi\u00ean c\u1ee7a th\u00e9p h\u01a1n.<\/p>\n\n\n\n

Nh\u01b0ng \u0111\u00e2y l\u00e0 s\u1ef1 th\u1eadt \u1edf x\u01b0\u1edfng s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n

Ch\u1ea1y c\u00f9ng lo\u1ea1i phim 0,012 \u0111\u00f3 tr\u00ean t\u1ea5m HRPO d\u00e0y 0,125 inch c\u00f3 m\u00e9p c\u1eaft laser, b\u1ea1n s\u1ebd b\u1eaft \u0111\u1ea7u th\u1ea5y v\u1ebft h\u1eb1n sau ch\u01b0a \u0111\u1ebfn 200 l\u1ea7n d\u1eadp. Kh\u00f4ng ph\u1ea3i v\u00ec n\u00f3 \u201cy\u1ebfu,\u201d m\u00e0 v\u00ec c\u00e1c c\u1ea1nh s\u1eafc t\u1eadp trung \u1ee9ng su\u1ea5t. M\u1eb7t c\u1eaft ngang m\u1ecfng c\u1ee7a phim \u0111\u1ed3ng ngh\u0129a v\u1edbi \u1ee9ng su\u1ea5t c\u1ee5c b\u1ed9 cao h\u01a1n m\u1ed7i chu k\u1ef3. Vi r\u00e1ch b\u1eaft \u0111\u1ea7u xu\u1ea5t hi\u1ec7n. Khi b\u1ec1 m\u1eb7t b\u1ecb tr\u1ea7y x\u01b0\u1edbc, l\u1ef1c n\u00e9n tr\u1edf n\u00ean kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, v\u00e0 sai l\u1ec7ch g\u00f3c b\u1eaft \u0111\u1ea7u\u20140,3\u00b0 ch\u1ed7 n\u00e0y, 0,7\u00b0 ch\u1ed7 kia.<\/p>\n\n\n\n

Phim m\u1ecfng cho b\u1ea1n s\u1ef1 thay \u0111\u1ed5i h\u00ecnh h\u1ecdc s\u1ea1ch nh\u1ea5t v\u00e0 ph\u00e9p t\u00ednh \u0111\u01a1n gi\u1ea3n nh\u1ea5t: \u0111o th\u00eam \u0111\u1ed9 xuy\u00ean \u0111\u1ec3 \u0111\u1ea1t g\u00f3c m\u1ee5c ti\u00eau, ghi nh\u1eadn chi\u1ec1u r\u1ed9ng khu\u00f4n hi\u1ec7u d\u1ee5ng m\u1edbi d\u1ef1a tr\u00ean \u0111\u1ed9 n\u00e9n \u1edf t\u1ea3i tr\u1ecdng u\u1ed1n, r\u1ed3i \u0111i\u1ec1u ch\u1ec9nh suy gi\u1ea3m u\u1ed1n cho ph\u00f9 h\u1ee3p. Nh\u01b0ng n\u00f3 kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 l\u1ea1m d\u1ee5ng.<\/p>\n\n\n\n

C\u00e1c chi ti\u1ebft c\u1ee7a b\u1ea1n \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00e1ch bavia v\u00e0 m\u00e0i m\u00e9p tr\u01b0\u1edbc khi ti\u1ebfp x\u00fac v\u1edbi d\u1ea3i phim d\u00e0y 0,015 inch \u0111\u00f3 ch\u01b0a?<\/p>\n\n\n\n

Phim t\u1ea7m trung (0,020\u201d \u2013 0,030\u201d): \u201cL\u1ef1a ch\u1ecdn an to\u00e0n\u201d nh\u01b0ng \u00e2m th\u1ea7m \u0111\u00f2i h\u1ecfi b\u00f9 g\u00f3c<\/h3>\n\n\n\n

Gi\u1edd ch\u00fang ta \u0111ang \u1edf kho\u1ea3ng m\u00e0 h\u1ea7u h\u1ebft c\u00e1c x\u01b0\u1edfng g\u1ecdi l\u00e0 \u201cti\u00eau chu\u1ea9n.\u201d M\u1ed9t d\u1ea3i phim 0,030 inch, Shore 85A \u0111\u1eb7t tr\u00ean khu\u00f4n ch\u1eef V 1,000 inch. Kh\u00f4ng tr\u1ea7y x\u01b0\u1edbc. Th\u1ee3 v\u1eadn h\u00e0nh y\u00ean t\u00e2m.<\/p>\n\n\n\n

R\u1ed3i th\u01b0\u1edbc \u0111o k\u1ef9 thu\u1eadt s\u1ed1 l\u1ea1i hi\u1ec3n th\u1ecb 88\u00b0, kh\u00f4ng ph\u1ea3i 90\u00b0, v\u00e0 b\u1ea1n b\u1eaft \u0111\u1ea7u \u0111i\u1ec1u ch\u1ec9nh th\u00eam \u0111\u1ed9 s\u00e2u ch\u00e0y nh\u01b0 m\u1ecdi khi.<\/p>\n\n\n\n

Phim t\u1ea7m trung \u0111\u1ee7 d\u00e0y \u0111\u1ec3 \u0111\u1ed9 n\u00e9n tr\u1edf th\u00e0nh m\u1ed9t giai \u0111o\u1ea1n c\u1ea5u tr\u00fac trong qu\u00e1 tr\u00ecnh u\u1ed1n. V\u1edbi chi ti\u1ebft th\u00e9p kh\u00f4ng g\u1ec9 304 d\u00e0i 10 foot, l\u1ef1c kho\u1ea3ng 12 t\u1ea5n m\u1ed7i foot, l\u1edbp phim 0,030 kh\u00f4ng ch\u1ec9 d\u1eb9t xu\u1ed1ng m\u00e0 c\u00f2n b\u1ecb n\u00e9n \u0111\u1eb7c l\u1ea1i. Giai \u0111o\u1ea1n \u0111\u1ea7u h\u00e0nh tr\u00ecnh: m\u1ec1m. Gi\u1eefa h\u00e0nh tr\u00ecnh: d\u1ea7n c\u1ee9ng h\u01a1n. \u0110\u1ebfn cu\u1ed1i v\u00f9ng u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y: n\u00f3 ph\u1ea3n l\u1ef1c m\u1ea1nh. B\u1ea1n kh\u00f4ng ch\u1ec9 \u0111ang \u0111\u1ea9y v\u00e0o th\u00e9p, m\u00e0 c\u00f2n v\u00e0o polymer \u0111ang b\u1ecb n\u00e9n, th\u1ee9 ph\u1ea3n kh\u00e1ng kh\u00f4ng th\u1ec3 d\u1ef1 \u0111o\u00e1n khi n\u00f3 \u0111\u1eb7c l\u1ea1i.<\/p>\n\n\n\n

V\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc, ba y\u1ebfu t\u1ed1 b\u1ecb thay \u0111\u1ed5i:<\/p>\n\n\n\n

    \n
  • Chi\u1ec1u m\u1edf hi\u1ec7u d\u1ee5ng c\u1ee7a khu\u00f4n ch\u1eef V thu h\u1eb9p nhi\u1ec1u h\u01a1n so v\u1edbi khi d\u00f9ng phim m\u1ecfng.<\/li>\n\n\n\n
  • B\u00e1n k\u00ednh trong si\u1ebft l\u1ea1i \u0111\u00f4i ch\u00fat khi \u0111\u1ea1t t\u1ea3i \u0111\u1ec9nh, r\u1ed3i gi\u00e3n kh\u00e1c \u0111i khi nh\u1ea3 t\u1ea3i.<\/li>\n\n\n\n
  • Hi\u1ec7n t\u01b0\u1ee3ng h\u1ed3i l\u00f2 xo t\u0103ng v\u00ec n\u0103ng l\u01b0\u1ee3ng bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i t\u00edch tr\u1eef trong th\u00e9p b\u1ecb thay \u0111\u1ed5i do polymer tham gia bi\u1ebfn d\u1ea1ng d\u1ebbo tr\u1ec5 h\u01a1n.<\/li>\n<\/ul>\n\n\n\n

    \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac sai s\u1ed1 suy gi\u1ea3m u\u1ed1n c\u1ed9ng d\u1ed3n. N\u1ebfu gi\u00e1 tr\u1ecb BD c\u01a1 b\u1ea3n c\u1ee7a b\u1ea1n gi\u1ea3 \u0111\u1ecbnh b\u00e1n k\u00ednh trong 0,160 inch trong khu\u00f4n 1,000 inch, m\u00e0 phim b\u1ecb n\u00e9n khi\u1ebfn khu\u00f4n hi\u1ec7u d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 0,970\u20130,980 inch, th\u00ec b\u00e1n k\u00ednh v\u00e0 h\u1ec7 s\u1ed1 K thay \u0111\u1ed5i. Kh\u00f4ng nhi\u1ec1u\u2014nh\u01b0ng \u0111\u1ee7 \u0111\u1ec3 chi\u1ec1u d\u00e0i m\u00e9p l\u1ec7ch 0,020\u20130,040 inch \u1edf c\u00e1c c\u1ea1nh d\u00e0i.<\/p>\n\n\n\n

    Phim t\u1ea7m trung c\u00f3 th\u1ec3 tr\u1ee5 \u0111\u01b0\u1ee3c 500 chi ti\u1ebft n\u1ebfu \u0111\u1ed9 dai polymer t\u1ed1t. M\u1ed9t s\u1ed1 lo\u1ea1i c\u00f3 \u0111\u1ed9 b\u1ec1n cao c\u00f2n gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 cong h\u00e0ng ngh\u00ecn chu k\u1ef3 m\u00e0 kh\u00f4ng n\u1ee9t. Nh\u01b0ng \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u kh\u00f4ng \u0111\u1ed3ng ngh\u0129a v\u1edbi t\u00ednh trung t\u00ednh h\u00ecnh h\u1ecdc trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n

    B\u1ea1n \u0111\u00e3 nh\u1eadp chi\u1ec1u r\u1ed9ng khu\u00f4n m\u1edbi v\u00e0o h\u1ec7 \u0111i\u1ec1u khi\u1ec3n d\u1ef1a tr\u00ean g\u00f3c \u0111o \u0111\u01b0\u1ee3c so v\u1edbi \u0111\u1ed9 xuy\u00ean ch\u00e0y c\u00f9ng l\u1edbp phim 0,030 \u0111\u00f3 ch\u01b0a\u2014hay v\u1eabn b\u00e1o v\u1edbi CNC r\u1eb1ng \u0111\u00f3 l\u00e0 khu\u00f4n 1,000 inch ch\u1ec9 v\u00ec th\u00f4ng s\u1ed1 \u0111\u00f3 \u0111\u01b0\u1ee3c kh\u1eafc tr\u00ean th\u00e9p?<\/p>\n\n\n\n

    Phim ch\u1ecbu t\u1ea3i n\u1eb7ng (0,040\u201d+): Khi l\u1edbp \u0111\u1ec7m d\u00e0y l\u00e0m \u1ea3nh h\u01b0\u1edfng b\u00e1n k\u00ednh trong<\/h3>\n\n\n\n

    T\u00f4i \u0111\u00e3 th\u1ea5y nhi\u1ec1u x\u01b0\u1edfng d\u00f9ng phim d\u00e0y 0,060 inch cho c\u00e1c t\u1ea5m th\u00e9p kh\u00f4ng g\u1ec9 trang tr\u00ed v\u00ec h\u1ecd s\u1ee3 tr\u1ea7y x\u01b0\u1edbc.<\/p>\n\n\n\n

    C\u00fa \u0111\u1ea7u ti\u00ean tr\u00ean th\u00e9p 304 d\u00e0y 0.125 inch trong V r\u1ed9ng 1.250 inch: g\u00f3c ra nh\u1eb9 h\u01a1n g\u1ea7n 3\u00b0. H\u1ecd t\u0103ng h\u00e0nh tr\u00ecnh. T\u1ea3i tr\u1ecdng t\u0103ng \u0111\u1ed9t bi\u1ebfn \u1edf cu\u1ed1i qu\u00e1 tr\u00ecnh u\u1ed1n. B\u00e1n k\u00ednh trong \u0111o \u0111\u01b0\u1ee3c l\u1edbn h\u01a1n mong \u0111\u1ee3i, ch\u1ee9 kh\u00f4ng nh\u1ecf h\u01a1n.<\/p>\n\n\n\n

    \u0110i\u1ec1u \u0111\u00f3 khi\u1ebfn m\u1ecdi ng\u01b0\u1eddi b\u1ea5t ng\u1edd.<\/p>\n\n\n\n

    L\u00fd do l\u00e0 th\u1ebf n\u00e0y. V\u1edbi m\u00e0ng r\u1ea5t d\u00e0y, b\u1ea1n kh\u00f4ng c\u00f2n ch\u1ec9 \u0111\u01a1n gi\u1ea3n thu h\u1eb9p khe m\u1edf V n\u1eefa\u2014b\u1ea1n \u0111ang t\u1ea1o ra m\u1ed9t vai khu\u00f4n m\u1ec1m d\u1ebbo bao quanh t\u1ea5m kim lo\u1ea1i theo c\u00e1ch kh\u00e1c. V\u00f9ng ti\u1ebfp x\u00fac r\u1ed9ng h\u01a1n. \u00c1p l\u1ef1c \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1. Th\u00e9p \u0111\u01b0\u1ee3c n\u00e2ng \u0111\u1ee1 \u00edt s\u1eafc n\u00e9t h\u01a1n \u1edf c\u00e1c m\u00e9p, n\u00ean thay v\u00ec u\u1ed1n \u00f4m ch\u1eb7t v\u00e0o m\u1ed9t vai th\u00e9p s\u1eafc, n\u00f3 u\u1ed1n quanh m\u1ed9t l\u1edbp \u0111\u1ec7m bi\u1ebfn d\u1ea1ng. K\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 l\u00e0 b\u00e1n k\u00ednh trong th\u1ef1c t\u1ebf l\u1edbn h\u01a1n, m\u1eb7c d\u00f9 \u0111\u1ed9 xuy\u00ean t\u0103ng.<\/p>\n\n\n\n

    V\u00e0 v\u00ec bi\u1ebfn d\u1ea1ng trong polymer t\u0103ng theo \u0111\u1ed9 d\u00e0y \u1edf c\u00f9ng b\u00e1n k\u00ednh u\u1ed1n, c\u00e1c l\u1edbp m\u00e0ng d\u00e0y ch\u1ecbu \u1ee9ng su\u1ea5t b\u00ean trong cao. Trong c\u00e1c chu k\u1ef3 u\u1ed1n 90\u00b0 l\u1eb7p l\u1ea1i, l\u1edbp d\u00e0y h\u01a1n c\u00f3 th\u1ec3 m\u1ecfi nhanh h\u01a1n mong \u0111\u1ee3i. Gi\u1ea3 \u0111\u1ecbnh \u201cn\u1eb7ng h\u01a1n th\u00ec b\u1ec1n h\u01a1n\u201d kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u00fang khi bi\u1ebfn d\u1ea1ng m\u1ed7i chu k\u1ef3 t\u0103ng theo c\u1ea5p s\u1ed1 nh\u00e2n c\u00f9ng t\u1ef7 l\u1ec7 \u0111\u1ed9 d\u00e0y tr\u00ean b\u00e1n k\u00ednh.<\/p>\n\n\n\n

    B\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc, \u0111\u00fang. Nh\u01b0ng b\u1ea1n ph\u1ea3i tr\u1ea3 gi\u00e1 b\u1eb1ng:<\/p>\n\n\n\n

      \n
    • \u0110\u1ed9 s\u00e2u h\u00e0nh tr\u00ecnh b\u1ed5 sung \u0111\u00e1ng k\u1ec3.<\/li>\n\n\n\n
    • H\u00e0nh vi b\u00e1n k\u00ednh trong thay \u0111\u1ed5i.<\/li>\n\n\n\n
    • T\u1ea3i tr\u1ecdng c\u1ef1c \u0111\u1ea1i cao h\u01a1n \u1edf cu\u1ed1i h\u00e0nh tr\u00ecnh.<\/li>\n\n\n\n
    • \u0110\u1ed9 bi\u1ebfn thi\u00ean l\u1edbn h\u01a1n tr\u00ean chi\u1ec1u d\u00e0i s\u1ea3n ph\u1ea9m.<\/li>\n<\/ul>\n\n\n\n

      Nghe n\u00e0y, n\u1ebfu b\u1ea1n l\u1eafp m\u00e0ng d\u00e0y 0.040 inch v\u00e0 kh\u00f4ng t\u00e1i x\u00e1c \u0111\u1ecbnh l\u1ea1i qu\u00e1 tr\u00ecnh u\u1ed1n t\u1eeb \u0111\u1ea7u\u2014m\u1eabu th\u1eed, b\u1ea3ng g\u00f3c so v\u1edbi \u0111\u1ed9 s\u00e2u, BD \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh\u2014th\u00ec b\u1ea1n kh\u00f4ng b\u1ea3o v\u1ec7 ch\u1ea5t l\u01b0\u1ee3ng. B\u1ea1n \u0111ang che gi\u1ea5u s\u1ef1 b\u1ea5t \u1ed5n d\u01b0\u1edbi m\u1ed9t b\u1ec1 m\u1eb7t m\u1ec1m.<\/p>\n\n\n\n

      Hi\u1ec7n t\u1ea1i b\u1ea1n \u0111ang t\u0103ng bao nhi\u00eau \u0111\u1ed9 xuy\u00ean tr\u00ean l\u1edbp m\u00e0ng d\u00e0y nh\u1ea5t, v\u00e0 b\u1ea1n \u0111\u00e3 th\u1ef1c s\u1ef1 \u0111o b\u00e1n k\u00ednh b\u00ean trong b\u1eb1ng th\u01b0\u1edbc k\u1eb9p ch\u01b0a?<\/p>\n\n\n\n

      V\u1ea3i l\u00f3t so v\u1edbi Polyurethane th\u01b0\u1eddng: Lo\u1ea1i n\u00e0o th\u1ef1c s\u1ef1 ch\u1ecbu \u0111\u01b0\u1ee3c m\u1ed9t lo\u1ea1t 500 s\u1ea3n ph\u1ea9m?<\/h3>\n\n\n\n

      Ch\u1ea1y m\u1ed9t d\u1ea3i polyurethane th\u01b0\u1eddng d\u00e0y 0.030 inch cho 300 s\u1ea3n ph\u1ea9m tr\u00ean th\u00e9p nh\u1eb9 d\u00e0y 11 gauge. B\u1ea1n s\u1ebd b\u1eaft \u0111\u1ea7u th\u1ea5y n\u00f3 tr\u01b0\u1ee3t sang b\u00ean trong khu\u00f4n, \u0111\u1eb7c bi\u1ec7t tr\u00ean c\u00e1c s\u1ea3n ph\u1ea9m d\u00e0i. N\u00e9n c\u1ed9ng v\u1edbi c\u1eaft t\u1ea1i vai khu\u00f4n l\u00e0m n\u00f3 d\u1ecbch chuy\u1ec3n. M\u1ed9t khi n\u00f3 d\u1ecbch chuy\u1ec3n, \u0111\u1ed9 r\u1ed9ng khu\u00f4n hi\u1ec7u d\u1ee5ng s\u1ebd thay \u0111\u1ed5i t\u1eeb tr\u00e1i sang ph\u1ea3i. G\u00f3c u\u1ed1n kh\u00e1c nhau d\u1ecdc theo chi\u1ec1u d\u00e0i.<\/p>\n\n\n\n

      Chuy\u1ec3n sang lo\u1ea1i c\u00f3 v\u1ea3i l\u00f3t. S\u1ee3i v\u1ea3i h\u1ea1n ch\u1ebf \u0111\u1ed9 gi\u00e3n. \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. N\u00f3 gi\u1eef nguy\u00ean v\u1ecb tr\u00ed.<\/p>\n\n\n\n

      Nh\u01b0ng c\u00f3 m\u1ed9t \u0111i\u1ec3m c\u1ea3n tr\u1edf.<\/p>\n\n\n\n

      V\u1ea3i l\u00f3t gi\u1ea3m kh\u1ea3 n\u0103ng c\u1ee7a m\u00e0ng trong vi\u1ec7c \u00f4m s\u00e1t ho\u00e0n to\u00e0n chi ti\u1ebft vi m\u00f4 \u1edf vai khu\u00f4n. N\u00e9n \u00edt h\u01a1n m\u1ed9t ch\u00fat. Giao di\u1ec7n h\u01a1i c\u1ee9ng h\u01a1n. Tr\u00ean th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00e1nh b\u00f3ng tinh t\u1ebf, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 ngh\u0129a l\u00e0 \u00e1p l\u1ef1c c\u1ee5c b\u1ed9 cao h\u01a1n n\u1ebfu vai khu\u00f4n kh\u00f4ng th\u1ef1c s\u1ef1 s\u1ea1ch. B\u1ea3o v\u1ec7 so v\u1edbi kh\u1ea3 n\u0103ng \u00f4m s\u00e1t.<\/p>\n\n\n\n

      \u0110\u1ed1i v\u1edbi nh\u1eefng lo\u1ea1t s\u1ea3n xu\u1ea5t l\u1edbn\u2014500 s\u1ea3n ph\u1ea9m tr\u1edf l\u00ean\u2014\u0111\u1ed9 \u1ed5n \u0111\u1ecbnh quan tr\u1ecdng h\u01a1n \u0111\u1ed9 m\u1ec1m l\u00fd thuy\u1ebft. M\u1ed9t m\u00e0ng d\u1ecbch 0.010 inch sang b\u00ean \u0111\u00e3 thay \u0111\u1ed5i h\u00ecnh h\u1ecdc khu\u00f4n gi\u1eefa m\u1ed9t lo\u1ea1t s\u1ea3n xu\u1ea5t. \u0110i\u1ec1u \u0111\u00f3 t\u1ec7 h\u01a1n m\u1ed9t b\u1ec1 m\u1eb7t h\u01a1i c\u1ee9ng nh\u01b0ng v\u1eabn nh\u1ea5t qu\u00e1n.<\/p>\n\n\n\n

      V\u00ec v\u1eady khi b\u1ea1n ch\u1ecdn m\u00e0ng cho m\u1ed9t c\u00f4ng vi\u1ec7c d\u00e0i, b\u1ea1n \u0111ang ch\u1ecdn d\u1ef1a tr\u00ean n\u1ed7i s\u1ee3 tr\u1ea7y x\u01b0\u1edbc hay d\u1ef1a tr\u00ean c\u00e1ch v\u1eadt li\u1ec7u \u0111\u00f3 ho\u1ea1t \u0111\u1ed9ng sau 400 chu k\u1ef3 \u1edf t\u1ea3i tr\u1ecdng t\u1ed1i \u0111a tr\u00ean khe V c\u1ee7a b\u1ea1n?<\/p>\n\n\n\n

      Kh\u00eda c\u1ea1nh<\/th>Polyurethane th\u01b0\u1eddng (0.030\u2033)<\/th>Polyurethane c\u00f3 v\u1ea3i l\u00f3t<\/th><\/tr><\/thead>
      Hi\u1ec7u su\u1ea5t trong h\u01a1n 300 l\u1ea7n ch\u1ea1y chi ti\u1ebft<\/td>B\u1eaft \u0111\u1ea7u d\u1ecbch sang ngang trong khu\u00f4n, \u0111\u1eb7c bi\u1ec7t tr\u00ean c\u00e1c chi ti\u1ebft d\u00e0i<\/td>Gi\u1eef \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ee9ng y\u00ean t\u1ea1i ch\u1ed7<\/td><\/tr>
      H\u00e0nh vi d\u01b0\u1edbi t\u1ea3i n\u00e9n v\u00e0 c\u1eaft<\/td>D\u1ecbch chuy\u1ec3n t\u1ea1i vai; chi\u1ec1u r\u1ed9ng khu\u00f4n hi\u1ec7u d\u1ee5ng thay \u0111\u1ed5i<\/td>L\u1edbp v\u1ea3i n\u1ec1n h\u1ea1n ch\u1ebf \u0111\u1ed9 gi\u00e3n v\u00e0 chuy\u1ec3n \u0111\u1ed9ng<\/td><\/tr>
      \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc<\/td>Gi\u1ea3m theo th\u1eddi gian; g\u00f3c thay \u0111\u1ed5i d\u1ecdc theo chi\u1ec1u d\u00e0i chi ti\u1ebft<\/td>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n; g\u00f3c nh\u1ea5t qu\u00e1n<\/td><\/tr>
      Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi vi h\u00ecnh h\u1ecdc khu\u00f4n<\/td>\u0110\u1ed9 t\u01b0\u01a1ng th\u00edch t\u1ed1t h\u01a1n; b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac m\u1ec1m h\u01a1n<\/td>\u0110\u1ed9 t\u01b0\u01a1ng th\u00edch h\u01a1i gi\u1ea3m; b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u1ee9ng h\u01a1n<\/td><\/tr>
      \u00c1p su\u1ea5t b\u1ec1 m\u1eb7t tr\u00ean c\u00e1c l\u1edbp ho\u00e0n thi\u1ec7n nh\u1ea1y c\u1ea3m<\/td>\u00c1p su\u1ea5t c\u1ee5c b\u1ed9 th\u1ea5p h\u01a1n n\u1ebfu s\u1ea1ch<\/td>C\u00f3 kh\u1ea3 n\u0103ng xu\u1ea5t hi\u1ec7n \u00e1p su\u1ea5t c\u1ee5c b\u1ed9 cao h\u01a1n n\u1ebfu vai khu\u00f4n kh\u00f4ng ho\u00e0n to\u00e0n s\u1ea1ch<\/td><\/tr>
      Kh\u1ea3 n\u0103ng ph\u00f9 h\u1ee3p cho h\u01a1n 500 l\u1ea7n ch\u1ea1y chi ti\u1ebft<\/td>H\u00ecnh d\u1ea1ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh ch\u1ea1y do hi\u1ec7n t\u01b0\u1ee3ng d\u1ecbch chuy\u1ec3n (v\u00ed d\u1ee5: l\u1ec7ch 0,010\u2033)<\/td>Duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n d\u01b0\u1edbi t\u1ea3i tr\u1ecdng to\u00e0n ph\u1ea7n<\/td><\/tr>
      Ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t<\/td>\u01afu ti\u00ean \u0111\u1ed9 m\u1ec1m v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc<\/td>\u01afu ti\u00ean s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 nh\u1ea5t qu\u00e1n trong c\u00e1c l\u1ea7n ch\u1ea1y d\u00e0i<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      Giao th\u1ee9c hi\u1ec7u ch\u1ec9nh l\u1ea1i: \u0110i\u1ec1u ch\u1ec9nh CNC c\u1ee7a b\u1ea1n cho c\u00e1c thi\u1ebft l\u1eadp c\u00f3 th\u00eam m\u00e0ng<\/h2>\n\n\n\n

      B\u1ea1n mu\u1ed1n con s\u1ed1, kh\u00f4ng ph\u1ea3i tri\u1ebft l\u00fd. T\u1ed1t.<\/p>\n\n\n\n

      Th\u00e1ng tr\u01b0\u1edbc t\u00f4i \u0111\u1ee9ng ph\u00eda sau m\u1ed9t m\u00e1y ch\u1ea5n 135 t\u1ea5n ch\u1ea1y th\u00e9p kh\u00f4ng g\u1ec9 304 d\u00e0y 0,079 inch (2mm) trong khu\u00f4n V 1,000 inch v\u1edbi l\u1edbp urethane d\u00e0y 0,022 inch \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t. L\u1ea7n ch\u1ea5n \u0111\u1ea7u: 87,6\u00b0. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh th\u00eam 0,012 inch \u0111\u1ed9 s\u00e2u c\u1ee7a tr\u1ee5c. L\u1ea7n ch\u1ea5n th\u1ee9 hai: 90,3\u00b0. Anh ta gi\u1ea3m l\u1ea1i 0,004 inch. Gi\u1edd ch\u00fang t\u00f4i \u0111ang \u0111u\u1ed5i theo t\u1eebng ngh\u00ecn inch nh\u01b0 th\u1ec3 \u0111\u00f3 l\u00e0 tr\u00f2 ch\u01a1i.<\/p>\n\n\n\n

      C\u00e2u h\u1ecfi \u0111\u00fang kh\u00f4ng ph\u1ea3i l\u00e0 \u201cTh\u00eam bao nhi\u00eau h\u00e0nh tr\u00ecnh?\u201d M\u00e0 l\u00e0: tam gi\u00e1c n\u00e0o b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ee7a b\u1ea1n \u0111ang gi\u1ea3i ngay b\u00e2y gi\u1edd \u2014 v\u00e0 tam gi\u00e1c \u0111\u00f3 c\u00f3 th\u1ef1c kh\u00f4ng?<\/p>\n\n\n\n

      Giao th\u1ee9c n\u00e0y bi\u1ebfn m\u00e0ng phim th\u00e0nh m\u1ed9t bi\u1ebfn s\u1ed1 l\u1eadp tr\u00ecnh. Z-offset. Khe m\u1edf V hi\u1ec7u d\u1ee5ng. Kh\u1ea5u tr\u1eeb u\u1ed1n \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh. N\u1ebfu b\u1ea1n b\u1ecf qua ph\u00e9p t\u00ednh \u0111\u00f3, b\u1ea1n kh\u00f4ng u\u1ed1n \u2014 b\u1ea1n \u0111ang \u0111\u00e1nh c\u01b0\u1ee3c s\u1ea3n ph\u1ea9m \u0111\u1ea7u ti\u00ean v\u00e0 g\u1ecdi \u0111\u00f3 l\u00e0 kinh nghi\u1ec7m.<\/p>\n\n\n\n

      Tr\u01b0\u1edbc khi ch\u00fang ta ch\u1ea1m v\u00e0o b\u1ed9 \u0111i\u1ec1u khi\u1ec3n, ch\u00fang ta c\u1ea7n gi\u1ea3i quy\u1ebft m\u1ed9t tranh lu\u1eadn.<\/p>\n\n\n\n

      B\u1ea1n c\u00f3 n\u00ean coi m\u00e0ng phim l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a khu\u00f4n hay l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a v\u1eadt li\u1ec7u?<\/h3>\n\n\n\n

      L\u1ea5y c\u00f9ng t\u1ea5m 2mm \u0111\u00f3. H\u01b0\u1edbng d\u1eabn u\u1ed1n kh\u00ed ti\u00eau chu\u1ea9n n\u00f3i r\u1eb1ng khe m\u1edf V t\u1eeb 6\u20138\u00d7 \u0111\u1ed9 d\u00e0y cho kim lo\u1ea1i m\u1ecfng. G\u1ecdi \u0111\u00f3 l\u00e0 12\u201316mm. Khu\u00f4n V 1,000 inch (25,4mm) v\u1ed1n \u0111\u00e3 r\u1ed9ng \u2014 ph\u00f9 h\u1ee3p cho inox nh\u1eb1m ki\u1ec3m so\u00e1t l\u1ef1c ch\u1ea5n v\u00e0 b\u00e1n k\u00ednh.<\/p>\n\n\n\n

      B\u00e2y gi\u1edd th\u00eam m\u00e0ng phim d\u00e0y 0,022 inch. Ngh\u0129a l\u00e0 0,56mm m\u1ed7i b\u00ean n\u1ebfu n\u00f3 l\u00f3t c\u1ea3 hai vai. Khi c\u00f3 t\u1ea3i, c\u00f3 th\u1ec3 n\u00f3 n\u00e9n c\u00f2n 0,30\u20130,40mm t\u00f9y v\u00e0o \u0111\u1ed9 c\u1ee9ng v\u00e0 l\u1ef1c ch\u1ea5n tr\u00ean m\u1ed7i foot.<\/p>\n\n\n\n

      \u0110i\u1ec1u \u0111\u00f3 c\u00f3 l\u00e0m cho v\u1eadt li\u1ec7u c\u1ee7a b\u1ea1n d\u00e0y 2,56mm kh\u00f4ng?<\/p>\n\n\n\n

      Kh\u00f4ng. \u0110\u1ed9 b\u1ec1n ch\u1ea3y c\u1ee7a th\u00e9p kh\u00f4ng thay \u0111\u1ed5i. H\u00e0nh vi \u0111\u00e0n h\u1ed3i kh\u00f4ng \u0111\u1ed9t ng\u1ed9t gi\u1ed1ng kim lo\u1ea1i d\u00e0y 2,5mm. \u0110i\u1ec1u thay \u0111\u1ed5i l\u00e0 h\u00ecnh h\u1ecdc m\u00e0 th\u00e9p \u201cnh\u00ecn th\u1ea5y\u201d \u1edf vai khu\u00f4n.<\/p>\n\n\n\n

      V\u00ec v\u1eady b\u1ea1n coi m\u00e0ng phim l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a ch\u1ed3ng khu\u00f4n, kh\u00f4ng ph\u1ea3i ch\u1ed3ng v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

      T\u1ea1i sao s\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y quan tr\u1ecdng: c\u00f4ng th\u1ee9c t\u00ednh l\u1ef1c ch\u1ea5n nh\u1ea1y v\u1edbi \u0111\u1ed9 d\u00e0y b\u00ecnh ph\u01b0\u01a1ng. P = 650 \u00d7 S\u00b2 \u00d7 L \/ V. N\u1ebfu b\u1ea1n b\u00e1o sai cho b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 t\u0103ng \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u \u0111\u1ec3 b\u00f9 cho m\u1ea5t g\u00f3c, m\u00e1y s\u1ebd t\u00ednh to\u00e1n l\u1ef1c ch\u1ea5n cao h\u01a1n m\u1ee9c th\u00e9p c\u1ea7n. V\u1edbi t\u1ea5m m\u1ecfng, m\u1ee9c t\u0103ng ph\u1ea7n tr\u0103m \u0111\u00f3 l\u00e0 \u0111\u00e1ng k\u1ec3. M\u1ed9t l\u1edbp 0,022 inch tr\u00ean t\u1ea5m 0,079 inch l\u00e0 t\u0103ng 28% so v\u1edbi \u0111\u1ed9 d\u00e0y n\u1ebfu b\u1ea1n ph\u00e2n lo\u1ea1i sai. \u0110\u00f3 l\u00e0 c\u00e1ch m\u1ecdi ng\u01b0\u1eddi ti\u1ebfn g\u1ea7n qu\u00e1 t\u1ea3i thay v\u00ec hi\u1ec7u ch\u1ec9nh l\u1ea1i.<\/p>\n\n\n\n

      Nghe n\u00e0y, m\u00e0ng phim kh\u00f4ng th\u00eam \u0111\u1ed9 b\u1ec1n. N\u00f3 th\u00eam \u0111\u1ed9 \u0111\u00e0n h\u1ed3i t\u1ea1i b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac.<\/p>\n\n\n\n

      V\u00ec v\u1eady khi b\u1ea1n m\u1edf th\u01b0 vi\u1ec7n d\u1ee5ng c\u1ee5, b\u1ea1n \u0111ang ch\u1ec9nh \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u \u2014 hay \u0111ang t\u1ea1o m\u1ed9t m\u1ee5c khu\u00f4n m\u1edbi ph\u1ea3n \u00e1nh khe V hi\u1ec7u d\u1ee5ng v\u00e0 \u0111\u01b0\u1eddng cong th\u00e2m nh\u1eadp kh\u00e1c?<\/p>\n\n\n\n

      C\u00e1ch t\u00ednh offset tr\u1ee5c Z ban \u0111\u1ea7u d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0y m\u00e0ng phim v\u00e0 m\u1ee9c n\u00e9n<\/h3>\n\n\n\n

      Ch\u00fang ta b\u1eaft \u0111\u1ea7u v\u1edbi th\u1ee9 b\u1ea1n c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

      C\u1eaft m\u1ed9t m\u1eabu 4 inch. L\u1eafp m\u00e0ng phim m\u1edbi. H\u1ea1 ch\u00e0y xu\u1ed1ng cho \u0111\u1ebfn khi v\u1eeba ch\u1ea1m v\u00e0o t\u1ea5m \u2014 kh\u00f4ng t\u1ea3i. \u0110\u1eb7t Z v\u1ec1 0.<\/p>\n\n\n\n

      B\u00e2y gi\u1edd u\u1ed1n kh\u00ed \u0111\u1ebfn 90\u00b0 b\u1eb1ng ch\u01b0\u01a1ng tr\u00ecnh hi\u1ec7n c\u00f3 v\u00e0 ghi hai s\u1ed1: g\u00f3c \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u00e0 \u0111\u1ed9 th\u00e2m nh\u1eadp tr\u1ee5c th\u1ef1c t\u1ebf t\u1eeb m\u1ee9c 0.<\/p>\n\n\n\n

      Gi\u1ea3 s\u1eed ch\u01b0\u01a1ng tr\u00ecnh c\u01a1 b\u1ea3n (kh\u00f4ng d\u00f9ng phim) c\u1ee7a b\u1ea1n \u0111\u1ea1t 90\u00b0 \u1edf \u0111\u1ed9 xuy\u00ean 0,615 inch trong V 1,000 inch. Khi l\u1eafp phim 0,022 inch, b\u1ea1n \u0111\u1ea1t 90\u00b0 \u1edf 0,628 inch.<\/p>\n\n\n\n

      Ch\u00eanh l\u1ec7ch: 0,013 inch.<\/p>\n\n\n\n

      S\u1ed1 0,013 n\u00e0y kh\u00f4ng ng\u1eabu nhi\u00ean. N\u00f3 l\u00e0 \u0111\u1ed9 d\u00e0y phim b\u1ecb n\u00e9n \u1edf t\u1ea3i l\u00e0m vi\u1ec7c c\u1ed9ng v\u1edbi b\u1ea5t k\u1ef3 s\u1ef1 thay \u0111\u1ed5i n\u00e0o trong h\u00ecnh h\u1ecdc ti\u1ebfp x\u00fac.<\/p>\n\n\n\n

      L\u00e0m \u0111i\u1ec1u n\u00e0y ba l\u1ea7n. L\u1ea5y trung b\u00ecnh. N\u1ebfu b\u1ea1n th\u1ea5y 0,012, 0,014, 0,013\u2014t\u1ed1t. Phim c\u1ee7a b\u1ea1n \u1ed5n \u0111\u1ecbnh. N\u1ebfu b\u1ea1n th\u1ea5y 0,010, 0,018, 0,015\u2014polyme c\u1ee7a b\u1ea1n \u0111ang d\u1ecbch chuy\u1ec3n ho\u1eb7c n\u00e9n \u0111\u1eb7c l\u1ea1i m\u1ed9t c\u00e1ch kh\u00f3 \u0111o\u00e1n.<\/p>\n\n\n\n

      Z-offset b\u1eaft \u0111\u1ea7u c\u1ee7a b\u1ea1n b\u1eb1ng v\u1edbi ch\u00eanh l\u1ec7ch \u0111\u1ed9 xuy\u00ean \u0111o \u0111\u01b0\u1ee3c, kh\u00f4ng ph\u1ea3i \u0111\u1ed9 d\u00e0y phim danh ngh\u0129a.<\/p>\n\n\n\n

      Danh ngh\u0129a 0,022 kh\u00f4ng quan tr\u1ecdng. N\u00e9n c\u00f2n 0,013 m\u1edbi quan tr\u1ecdng.<\/p>\n\n\n\n

      Gi\u1edd ta tinh ch\u1ec9nh l\u1ea1i \u0111\u1ed9 m\u1edf V hi\u1ec7u qu\u1ea3. M\u1ed9t c\u00f4ng th\u1ee9c x\u1ea5p x\u1ec9 \u0111\u01a1n gi\u1ea3n cho u\u1ed1n kh\u00ed: b\u00e1n k\u00ednh b\u00ean trong \u2248 0,16 \u00d7 V cho th\u00e9p kh\u00f4ng g\u1ec9 trong thi\u1ebft l\u1eadp ti\u00eau chu\u1ea9n. \u0110o b\u00e1n k\u00ednh b\u00ean trong th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n khi c\u00f3 phim l\u1eafp. N\u1ebfu b\u00e1n k\u00ednh c\u01a1 b\u1ea3n c\u1ee7a b\u1ea1n trong V 1,000 l\u00e0 0,160 inch v\u00e0 gi\u1edd b\u1ea1n \u0111o \u0111\u01b0\u1ee3c 0,150, V hi\u1ec7u qu\u1ea3 c\u1ee7a b\u1ea1n \u0111ang ho\u1ea1t \u0111\u1ed9ng g\u1ea7n v\u1edbi 0,937 (v\u00ec 0,150 \/ 0,16 \u2248 0,937).<\/p>\n\n\n\n

      \u0110i\u1ec1u n\u00e0y tr\u1edf th\u00e0nh m\u1ed9t m\u1ee5c dao m\u1edbi trong CNC c\u1ee7a b\u1ea1n: \u201c1,000 V + phim 0,022 (\u0111\u00e3 n\u00e9n).\u201d Kh\u00f4ng ph\u1ea3i ghi ch\u00fa. L\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 ri\u00eang.<\/p>\n\n\n\n

      B\u1edfi v\u00ec b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111ang t\u00ednh g\u00f3c u\u1ed1n t\u1eeb \u0111\u1ed9 xuy\u00ean c\u1ee7a ch\u00e0y so v\u1edbi \u0111\u1ed9 r\u1ed9ng V gi\u1ea3 \u0111\u1ecbnh. N\u1ebfu b\u1ea1n \u0111\u1ec3 nguy\u00ean \u1edf 1,000, n\u00f3 \u0111ang gi\u1ea3i sai tam gi\u00e1c.<\/p>\n\n\n\n

      B\u1ea1n \u0111\u00e3 th\u1ef1c s\u1ef1 \u0111o \u0111\u1ed9 d\u00e0y b\u1ecb n\u00e9n \u1edf t\u1ea3i tr\u1ecdng ch\u01b0a\u2014hay \u0111ang l\u1eadp tr\u00ecnh d\u1ef1a tr\u00ean th\u00f4ng tin ghi tr\u00ean h\u1ed9p phim?<\/p>\n\n\n\n

      T\u00ednh to\u00e1n l\u1ea1i \u0110\u1ed9 Kh\u1ea5u Tr\u1eeb U\u1ed1n khi Urethane d\u1ecbch chuy\u1ec3n tr\u1ee5c trung h\u00f2a c\u1ee7a b\u1ea1n<\/h3>\n\n\n\n

      Gi\u1edd ta x\u1eed l\u00fd m\u1eabu ph\u1eb3ng.<\/p>\n\n\n\n

      \u0110\u1ed9 kh\u1ea5u tr\u1eeb u\u1ed1n (BD) tr\u01b0\u1edbc \u0111\u00e2y c\u1ee7a b\u1ea1n gi\u1ea3 \u0111\u1ecbnh b\u00e1n k\u00ednh b\u00ean trong v\u00e0 h\u1ec7 s\u1ed1 K \u0111\u00e3 bi\u1ebft. Gi\u1ea3 s\u1eed v\u1edbi th\u00e9p 304 d\u00e0y 2mm trong V 1,000 b\u1ea1n d\u00f9ng K = 0,42 v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c chi\u1ec1u d\u00e0i g\u1edd \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n

      Khi l\u1eafp phim, b\u1ea1n \u0111o \u0111\u01b0\u1ee3c b\u00e1n k\u00ednh b\u00ean trong nh\u1ecf h\u01a1n\u20140,150 thay v\u00ec 0,160. \u0110i\u1ec1u n\u00e0y t\u1ef1 n\u00f3 \u0111\u00e3 thay \u0111\u1ed5i \u0111\u1ed9 c\u1ed9ng u\u1ed1n.<\/p>\n\n\n\n

      \u0110\u1ed9 c\u1ed9ng u\u1ed1n = (\u03c0\/180) \u00d7 g\u00f3c \u00d7 (R + K \u00d7 T).<\/p>\n\n\n\n

      Thay \u0111\u1ed5i R th\u00eam 0,010 inch v\u00e0 \u0111\u1ed9 c\u1ed9ng thay \u0111\u1ed5i ngay l\u1eadp t\u1ee9c. Tr\u00ean m\u1ed9t g\u00f3c u\u1ed1n 90\u00b0:<\/p>\n\n\n\n

      \u0394BA \u2248 (\u03c0\/2) \u00d7 0,010 \u2248 0,0157 inch.<\/p>\n\n\n\n

      \u0110\u00f3 l\u00e0 h\u01a1n 0,015 inch ch\u00eanh l\u1ec7ch chi\u1ec1u d\u00e0i ph\u00e1t tri\u1ec3n ch\u1ec9 t\u1eeb thay \u0111\u1ed5i b\u00e1n k\u00ednh. Gi\u1edd c\u1ed9ng th\u00eam b\u1ea5t k\u1ef3 thay \u0111\u1ed5i h\u1ec7 s\u1ed1 K do ph\u00e2n b\u1ed1 bi\u1ebfn d\u1ea1ng b\u1ecb thay \u0111\u1ed5i b\u1edfi m\u1eb7t ti\u1ebfp x\u00fac \u0111\u00e0n h\u1ed3i, v\u00e0 b\u1ea1n d\u1ec5 d\u00e0ng g\u1eb7p sai s\u1ed1 0,020\u20130,040 inch tr\u00ean c\u00e1c g\u1edd d\u00e0i.<\/p>\n\n\n\n

      \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao chi ti\u1ebft \u0111\u1ed9t nhi\u00ean d\u00e0i ho\u1eb7c ng\u1eafn khi b\u1ea1n \u201cch\u1ec9 th\u00eam phim.\u201d<\/p>\n\n\n\n

      Ch\u1ea1y hai m\u1eabu th\u1eed: m\u1ed9t c\u01a1 b\u1ea3n, m\u1ed9t c\u00f3 phim. \u0110o chi\u1ec1u d\u00e0i g\u1edd th\u1ef1c t\u1ebf sau khi u\u1ed1n. T\u00ednh ng\u01b0\u1ee3c l\u1ea1i h\u1ec7 s\u1ed1 K th\u1ef1c v\u1edbi phim g\u1eafn. Kho\u00e1 n\u00f3 th\u00e0nh m\u1ed9t t\u1ed5 h\u1ee3p v\u1eadt li\u1ec7u-c\u00f4ng c\u1ee5 ri\u00eang trong CAM ho\u1eb7c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

      Phim \u0111\u00e3 l\u1eafp = b\u1ea3ng BD m\u1edbi.<\/p>\n\n\n\n

      N\u1ebfu kh\u00f4ng th\u00ec b\u1ea1n \u0111ang b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t v\u00e0 \u00e2m th\u1ea7m k\u00e9o gi\u00e3n ho\u1eb7c co l\u1ea1i t\u1eebng ch\u00e2n m\u1ed9t tr\u00ean b\u1ea3n in.<\/p>\n\n\n\n

      Khi b\u1ea1n \u0111\u1ed5i c\u00f4ng vi\u1ec7c, b\u1ea1n c\u00f3 n\u1ea1p m\u1ed9t BD m\u1edbi g\u1eafn v\u1edbi \u0111\u1ed9 d\u00e0y phim \u0111\u00f3 kh\u00f4ng\u2014hay b\u1ea1n \u0111ang tin v\u00e0o \u201ctr\u00ed nh\u1edb truy\u1ec1n mi\u1ec7ng\u201d c\u1ee7a x\u01b0\u1edfng?<\/p>\n\n\n\n

      \u0110i\u1ec1u g\u00ec x\u1ea3y ra v\u1edbi c\u00e1c chi ti\u1ebft c\u00f3 nhi\u1ec1u g\u00f3c u\u1ed1n n\u1ebfu b\u1ea1n b\u1ecf qua s\u1ef1 thay \u0111\u1ed5i n\u00e9n c\u1ee7a phim?<\/h3>\n\n\n\n

      C\u00e1c g\u00f3c u\u1ed1n \u0111\u01a1n l\u1ebb c\u00f3 th\u1ec3 \u0111\u00e1nh l\u1eeba. H\u1ed9p th\u00ec cho th\u1ea5y s\u1ef1 th\u1eadt.<\/p>\n\n\n\n

      H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t n\u1eafp b\u1ed1n c\u1ea1nh b\u1eb1ng nh\u00f4m d\u00e0y 0,063 inch v\u1edbi phim 0,015 inch\u2014m\u1ecfng, \u201can to\u00e0n,\u201d \u0111\u00fang kh\u00f4ng? \u1ede v\u1eadt li\u1ec7u m\u1ecfng, phim \u0111\u00f3 c\u00f3 th\u1ec3 chi\u1ebfm kho\u1ea3ng 20\u201325% \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u tr\u01b0\u1edbc khi b\u1ecb n\u00e9n. D\u00f9 n\u00f3 c\u00f3 b\u1ecb \u00e9p xu\u1ed1ng c\u00f2n 0,008 d\u01b0\u1edbi t\u1ea3i, \u0111\u1ed9 ch\u00eanh l\u1ec7ch 0,002 inch gi\u1eefa l\u1ea7n u\u1ed1n \u0111\u1ea7u v\u00e0 l\u1ea7n u\u1ed1n cu\u1ed1i l\u00e0 \u0111i\u1ec1u th\u1ef1c t\u1ebf khi phim b\u1ecb bi\u1ebfn c\u1ee9ng do l\u00e0m vi\u1ec7c.<\/p>\n\n\n\n

      L\u1ea7n u\u1ed1n th\u1ee9 nh\u1ea5t: \u0111\u1ed9 d\u00e0y sau n\u00e9n 0,008. L\u1ea7n u\u1ed1n th\u1ee9 t\u01b0: c\u00f3 th\u1ec3 0,010 v\u00ec ph\u1ea7n d\u1ea3i \u0111\u00e3 b\u1ecb n\u00e9n \u0111\u1eb7c d\u1ecdc theo vai.<\/p>\n\n\n\n

      S\u1ef1 ch\u00eanh l\u1ec7ch 0,002 \u0111\u00f3 v\u1ec1 \u0111\u1ed9 xuy\u00ean th\u1ea5u chuy\u1ec3n th\u00e0nh sai l\u1ec7ch g\u00f3c\u2014c\u00f3 th\u1ec3 0,4\u20130,6\u00b0. Tr\u00ean m\u1ed9t m\u00e9p g\u1ea5p h\u1ed3i, sai l\u1ec7ch n\u00e0y c\u1ed9ng d\u1ed3n. Khi b\u1ea1n \u0111\u00f3ng h\u1ed9p l\u1ea1i, b\u1ea1n ph\u1ea3i x\u1eed l\u00fd khe h\u1edf 0,030 inch \u1edf \u0111\u01b0\u1eddng n\u1ed1i.<\/p>\n\n\n\n

      B\u1ea1n \u0111\u1ed5 l\u1ed7i cho \u0111\u1ed9 l\u1eb7p c\u1ee7a th\u01b0\u1edbc t\u1ef3 sau. B\u1ea1n \u0111\u1ed5 l\u1ed7i cho \u0111\u1ed9 h\u1ed3i l\u00f2 xo.<\/p>\n\n\n\n

      Nh\u01b0ng bi\u1ebfn s\u1ed1 th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t l\u1edbp \u0111\u1ec7m m\u1ec1m \u0111ang thay \u0111\u1ed5i qua t\u1eebng chu k\u1ef3.<\/p>\n\n\n\n

      V\u1edbi c\u00e1c chi ti\u1ebft c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 cao d\u00e0y 3 mm, \u0111\u1ed9 bi\u1ebfn thi\u00ean \u0111\u00f3 ch\u1ec9 chi\u1ebfm m\u1ed9t ph\u1ea7n nh\u1ecf c\u1ee7a \u0111\u1ed9 d\u00e0y. Nh\u01b0ng v\u1edbi nh\u00f4m d\u00e0y 1,5 mm, n\u00f3 l\u1ea1i l\u00e0 m\u1ed9t t\u1ef7 l\u1ec7 l\u1edbn. V\u1eadt li\u1ec7u m\u1ecfng ch\u1ecbu \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u h\u01a1n v\u00ec phim chi\u1ebfm t\u1ef7 l\u1ec7 l\u1edbn h\u01a1n trong t\u1ed5ng chi\u1ec1u d\u00e0y.<\/p>\n\n\n\n

      Nghe n\u00e0y, vi\u1ec7c hi\u1ec7u chu\u1ea9n l\u1ea1i gi\u00fap b\u1ea1n c\u00f3 m\u1ed9t \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. N\u00f3 kh\u00f4ng lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng tr\u01b0\u1ee3t d\u1ebbo c\u1ee7a polymer, t\u00edch nhi\u1ec7t, hay s\u1ef1 l\u00fan v\u0129nh vi\u1ec5n sau 500 chu k\u1ef3. \u0110\u00f3 l\u00e0 gi\u1edbi h\u1ea1n v\u1eadt l\u00fd, kh\u00f4ng ph\u1ea3i gi\u1edbi h\u1ea1n c\u1ee7a ph\u1ea7n l\u1eadp tr\u00ecnh.<\/p>\n\n\n\n

      V\u00ec v\u1eady, tr\u01b0\u1edbc khi b\u1ea1n ch\u1ea1y m\u1ed9t l\u00f4 1.000 chi ti\u1ebft v\u1edbi phim \u0111\u00e3 l\u1eafp, b\u1ea1n \u0111\u00e3 theo d\u00f5i \u0111\u1ed9 l\u1ec7ch g\u00f3c t\u1eeb chi ti\u1ebft th\u1ee9 1 \u0111\u1ebfn chi ti\u1ebft th\u1ee9 200 tr\u00ean c\u00f9ng m\u1ed9t d\u1ea3i ch\u01b0a\u2014hay b\u1ea1n \u0111ang cho r\u1eb1ng l\u1ea7n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ea7u ti\u00ean s\u1ebd lu\u00f4n \u0111\u00fang m\u00e3i?<\/p>\n\n\n\n

      \u0110i\u1ec3m g\u00e3y: Khi phim b\u1ea3o v\u1ec7 th\u1ea5t b\u1ea1i (B\u1ea5t k\u1ec3 th\u01b0\u01a1ng hi\u1ec7u n\u00e0o)<\/h2>\n\n\n\n

      B\u1ea1n mu\u1ed1n bi\u1ebft c\u00e1ch ki\u1ec3m so\u00e1t ho\u1eb7c theo d\u00f5i \u0111\u1ed9 tr\u00f4i n\u00e9n c\u1ee7a phim trong c\u00e1c chu k\u1ef3 d\u00e0i \u0111\u1ec3 g\u00f3c kh\u00f4ng b\u1ecb l\u1ec7ch.<\/p>\n\n\n\n

      S\u1ef1 th\u1eadt l\u00e0: b\u1ea1n c\u00f3 th\u1ec3 theo d\u00f5i, c\u00f3 th\u1ec3 l\u1eadp bi\u1ec3u \u0111\u1ed3, c\u00f3 th\u1ec3 \u0111o m\u1ed7i 25 chi ti\u1ebft b\u1eb1ng th\u01b0\u1edbc \u0111o g\u00f3c \u0111i\u1ec7n t\u1eed\u2014nh\u01b0ng m\u1ed9t khi phim v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n c\u01a1 h\u1ecdc c\u1ee7a n\u00f3, \u0111\u1ed9 tr\u00f4i kh\u00f4ng c\u00f2n t\u1eeb t\u1eeb n\u1eefa.<\/p>\n\n\n\n

      N\u00f3 nh\u1ea3y v\u1ecdt.<\/p>\n\n\n\n

      H\u00e3y ngh\u0129 v\u1ec1 l\u1edbp urethane \u0111\u00f3 nh\u01b0 m\u1ed9t gio\u0103ng m\u1ec1m \u0111\u01b0\u1ee3c ch\u00e8n v\u00e0o khu\u00f4n ch\u00ednh x\u00e1c. \u1ede t\u1ea3i nh\u1eb9, c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n, n\u00f3 n\u00e9n l\u1ea1i v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1ed5n. Nh\u01b0ng v\u01b0\u1ee3t qu\u00e1 m\u1ed9t \u00e1p su\u1ea5t nh\u1ea5t \u0111\u1ecbnh, n\u00f3 kh\u00f4ng ch\u1ec9 m\u1ecfng h\u01a1n; m\u00e0 c\u00f2n b\u1eaft \u0111\u1ea7u tr\u01b0\u1ee3t sang b\u00ean, ch\u1ea3y d\u1ebbo l\u1ea1nh, x\u00e9 \u1edf m\u00e9p b\u0103ng d\u00ednh, v\u00e0 d\u1ed3n l\u1ea1i trong r\u00e3nh V nh\u01b0 b\u00e3 k\u1eb9o cao su d\u01b0\u1edbi \u0111\u1ebf gi\u00e0y. \u0110\u00f3 ch\u00ednh l\u00e0 \u0111i\u1ec3m g\u00e3y. V\u00e0 khi \u0111i\u1ec1u \u0111\u00f3 x\u1ea3y ra, ch\u00eanh l\u1ec7ch \u0111\u1ed9 xuy\u00ean 0,013 inch trung b\u00ecnh \u0111\u1eb9p \u0111\u1ebd c\u1ee7a b\u1ea1n tr\u1edf th\u00e0nh 0,018 \u1edf m\u1ed9t l\u1ea7n d\u1eadp v\u00e0 0,011 \u1edf l\u1ea7n k\u1ebf ti\u1ebfp.<\/p>\n\n\n\n

      \u0110\u00e2y l\u00e0 l\u00fac \u201cKh\u00f4ng x\u01b0\u1edbc\u201d \u00e2m th\u1ea7m bi\u1ebfn th\u00e0nh ph\u1ebf ph\u1ea9m do sai g\u00f3c.<\/p>\n\n\n\n

      V\u1eady trong th\u1ef1c t\u1ebf, n\u00f3 h\u1ecfng \u1edf \u0111\u00e2u?<\/p>\n\n\n\n

      C\u00f4ng vi\u1ec7c t\u1ea3i tr\u1ecdng l\u1edbn: Khi Urethane b\u1ecb \u00e9p \u0111\u00f9n v\u00e0 t\u1ea1o ra c\u00e1c g\u00f3c kh\u00f4ng nh\u1ea5t qu\u00e1n<\/h3>\n\n\n\n

      L\u1ea5y th\u00e9p A36 d\u00e0y 10-gauge trong khu\u00f4n V 1.000 inch tr\u00ean m\u00e1y \u00e9p phanh 175 t\u1ea5n. B\u1ea1n \u0111ang ch\u1ea1y c\u00e1c chi ti\u1ebft d\u00e0i 6 foot, dao \u0111\u1ed9ng t\u1eeb 70 \u0111\u1ebfn 90 t\u1ea5n tr\u00ean to\u00e0n gi\u01b0\u1eddng t\u00f9y v\u00e0o bi\u1ebfn thi\u00ean v\u1eadt li\u1ec7u. V\u1edbi urethane d\u00e0y 0.030 inch \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp, m\u01b0\u1eddi chi ti\u1ebft \u0111\u1ea7u ti\u00ean tr\u00f4ng \u1ed5n \u0111\u1ecbnh. B\u1ea1n \u0111\u00e3 t\u00ednh to\u00e1n. B\u1ea1n \u0111\u00e3 l\u1eadp tr\u00ecnh b\u00f9 tr\u1eeb. B\u1ea1n c\u1ea3m th\u1ea5y th\u00f4ng minh.<\/p>\n\n\n\n

      R\u1ed3i \u0111\u1ebfn kho\u1ea3ng chi ti\u1ebft th\u1ee9 30, g\u00f3c c\u1ee7a b\u1ea1n \u0111\u1ed9t nhi\u00ean m\u1edf ra 1.2\u00b0.<\/p>\n\n\n\n

      Kh\u00f4ng ph\u1ea3i 0.2. Kh\u00f4ng ph\u1ea3i d\u1ea7n d\u1ea7n. M\u00e0 l\u00e0 h\u01a1n h\u1eb3n m\u1ed9t \u0111\u1ed9.<\/p>\n\n\n\n

      \u0110i\u1ec1u x\u1ea3y ra kh\u00f4ng h\u1ec1 b\u00ed \u1ea9n. D\u01b0\u1edbi \u00e1p su\u1ea5t b\u1ec1 m\u1eb7t cao t\u1ea1i vai khu\u00f4n, urethane v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n ch\u1ecbu n\u00e9n v\u00e0 b\u1eaft \u0111\u1ea7u b\u1ecb \u00e9p \u0111\u00f9n v\u00e0o khe m\u1edf c\u1ee7a khu\u00f4n V. V\u1eadt li\u1ec7u v\u1ed1n n\u1eb1m g\u1ecdn gi\u1eefa t\u1ea5m v\u00e0 khu\u00f4n gi\u1edd \u0111\u00e2y b\u1ecb n\u00e9n \u00e9p ti\u1ebfn t\u1edbi ph\u00eda tr\u01b0\u1edbc v\u00e0 xu\u1ed1ng d\u01b0\u1edbi. \u0110i\u1ec1u \u0111\u00f3 thay \u0111\u1ed5i \u0111\u01b0\u1eddng ti\u1ebfp x\u00fac. Khu\u00f4n V hi\u1ec7u d\u1ee5ng c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f2n l\u00e0 gi\u00e1 tr\u1ecb b\u1ea1n \u0111o l\u00fac thi\u1ebft l\u1eadp n\u1eefa.<\/p>\n\n\n\n

      B\u1ea1n \u0111ang \u00e9p m\u1ea1nh h\u01a1n kh\u00f4ng ch\u1ec9 l\u00ean th\u00e9p, m\u00e0 c\u00f2n l\u00ean m\u1ed9t polymer \u0111ang b\u1ecb n\u00e9n, c\u00f3 ph\u1ea3n \u1ee9ng kh\u00f4ng th\u1ec3 \u0111o\u00e1n tr\u01b0\u1edbc khi n\u00f3 \u0111\u1eb7c l\u1ea1i.<\/p>\n\n\n\n

      S\u1ef1 \u00e9p \u0111\u00f9n c\u0169ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean to\u00e0n gi\u01b0\u1eddng. N\u1ebfu \u0111\u01b0\u1eddng cong t\u1ea3i tr\u1ecdng \u0111\u1ea1t \u0111\u1ec9nh g\u1ea7n gi\u1eefa, l\u1edbp phim s\u1ebd m\u1ecfng h\u01a1n \u1edf \u0111\u00f3. Gi\u1edd g\u00f3c c\u1ee7a b\u1ea1n thay \u0111\u1ed5i t\u1eeb tr\u00e1i sang ph\u1ea3i. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n ngh\u0129 r\u1eb1ng d\u1ee5ng c\u1ee5 c\u1ee9ng. Nh\u01b0ng kh\u00f4ng ph\u1ea3i v\u1eady. B\u1ea1n \u0111\u00e3 th\u00eam v\u00e0o m\u1ed9t l\u1edbp \u0111\u1ec7m nh\u1ea1y t\u1ea3i v\u00e0o quy tr\u00ecnh v\u1ed1n gi\u1ea3 \u0111\u1ecbnh h\u00ecnh d\u1ea1ng th\u00e9p t\u00f4i c\u1ee9ng.<\/p>\n\n\n\n

      V\u00e0 \u0111\u00e2y l\u00e0 ph\u1ea7n m\u00e0 h\u1ea7u h\u1ebft c\u00e1c x\u01b0\u1edfng b\u1ecf qua: khi qu\u00e1 tr\u00ecnh \u00e9p \u0111\u00f9n b\u1eaft \u0111\u1ea7u, n\u00f3 s\u1ebd t\u0103ng t\u1ed1c. Phim c\u00e0ng ch\u1ea3y nhi\u1ec1u, ti\u1ebft di\u1ec7n c\u00e0ng m\u1ecfng \u0111i n\u00ean c\u00e0ng \u00edt kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 ch\u1ea3y ti\u1ebfp theo. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao l\u00f4 s\u1ea3n ph\u1ea9m b\u1ecb t\u00e1ch\u201440 chi ti\u1ebft \u0111\u1ea7u trong gi\u1edbi h\u1ea1n sai s\u1ed1, 60 chi ti\u1ebft sau th\u00ec ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u c\u1ee7a ram.<\/p>\n\n\n\n

      B\u1ea1n c\u00f3 \u0111ang ghi l\u1ea1i t\u1ea3i tr\u1ecdng t\u00ednh theo foot cho nh\u1eefng c\u00f4ng vi\u1ec7c n\u00e0y v\u00e0 \u0111\u1ed1i chi\u1ebfu v\u1edbi thay \u0111\u1ed5i g\u00f3c\u2014hay ch\u1ec9 nh\u00ecn v\u00e0o th\u01b0\u1edbc \u0111o g\u00f3c r\u1ed3i ph\u1ea3n \u1ee9ng?<\/p>\n\n\n\n

      B\u00e1n k\u00ednh nh\u1ecf v\u00e0 khu\u00f4n V h\u1eb9p: V\u00ec sao phim l\u1ea1i b\u1ecb g\u1ea5p v\u00e0 \u0111\u1ec3 l\u1ea1i d\u1ea5u v\u1ebft<\/h3>\n\n\n\n

      Gi\u1edd h\u00e3y thu h\u1eb9p khu\u00f4n V l\u1ea1i.<\/p>\n\n\n\n

      Gi\u1ea3m xu\u1ed1ng khu\u00f4n V 0.500 inch \u0111\u1ec3 \u0111\u1ea1t b\u00e1n k\u00ednh b\u00ean trong h\u1eb9p tr\u00ean th\u00e9p 304 d\u00e0y 0.090 inch. Vai khu\u00f4n g\u1ea7n nhau h\u01a1n, g\u00f3c bao l\u1edbn h\u01a1n t\u1ea1i \u0111i\u1ec3m ti\u1ebfp x\u00fac, v\u00e0 phim c\u00f3 \u00edt ch\u1ed7 \u0111\u1ec3 n\u1eb1m ph\u1eb3ng. N\u00f3 bu\u1ed9c ph\u1ea3i u\u1ed1n cong m\u1ea1nh qua b\u00e1n k\u00ednh khu\u00f4n tr\u01b0\u1edbc khi kim lo\u1ea1i b\u1eaft \u0111\u1ea7u bi\u1ebfn d\u1ea1ng.<\/p>\n\n\n\n

      \u0110\u00f3 l\u00e0 n\u01a1i hi\u1ec7n t\u01b0\u1ee3ng g\u1ea5p b\u1eaft \u0111\u1ea7u.<\/p>\n\n\n\n

      Phim c\u00f3 t\u00ednh linh ho\u1ea1t, ch\u1ee9 kh\u00f4ng ph\u1ea3i ph\u00e9p m\u00e0u. Khi b\u1ea1n ph\u1ee7 l\u1edbp urethane d\u00e0y 0.022 inch l\u00ean khu\u00f4n V h\u1eb9p v\u00e0 \u00e9p ch\u00e0y v\u00e0o \u0111\u00f3, \u1ee9ng su\u1ea5t n\u00e9n s\u1ebd t\u00edch t\u1ee5 d\u1ecdc vai khu\u00f4n. N\u1ebfu phim kh\u00f4ng th\u1ec3 k\u00e9o gi\u00e3n \u0111\u1ee7 \u0111\u1ec3 th\u00edch \u1ee9ng, n\u00f3 s\u1ebd b\u1ecb nh\u0103n \u1edf m\u1ee9c vi m\u00f4. C\u00e1c n\u1ebfp nh\u0103n tr\u1edf th\u00e0nh g\u1edd \u00e1p l\u1ef1c. G\u1edd \u00e1p l\u1ef1c tr\u1edf th\u00e0nh \u0111\u01b0\u1eddng d\u1ea5u v\u1ebft.<\/p>\n\n\n\n

      V\u00ec v\u1eady b\u1ea1n \u0111\u00e3 th\u00eam phim \u0111\u1ec3 tr\u00e1nh v\u1ebft khu\u00f4n\u2014m\u00e0 v\u1eabn xu\u1ea5t hi\u1ec7n d\u1ea5u m\u1edd.<\/p>\n\n\n\n

      B\u1edfi v\u00ec trong khu\u00f4n V h\u1eb9p, phim kh\u00f4ng ch\u1ec9 b\u1ecb n\u00e9n m\u00e0 c\u00f2n b\u1ecb g\u1ea5p v\u00e0o h\u00ecnh d\u1ea1ng m\u00e0 n\u00f3 kh\u00f4ng th\u1ec3 chi\u1ebfm m\u1ed9t c\u00e1ch m\u01b0\u1ee3t m\u00e0. B\u00e1n k\u00ednh c\u00e0ng nh\u1ecf, v\u00f9ng ti\u1ebfp x\u00fac c\u00e0ng k\u00e9m linh ho\u1ea1t. \u0110\u1ed9 d\u00e0y n\u00e9n \u0111o \u0111\u01b0\u1ee3c l\u00fac thi\u1ebft l\u1eadp kh\u00f4ng th\u1ec3 hi\u1ec7n \u0111\u00fang nh\u1eefng g\u00ec x\u1ea3y ra \u1edf t\u1ea3i tr\u1ecdng c\u1ef1c \u0111\u1ea1i t\u1ea1i vai khu\u00f4n.<\/p>\n\n\n\n

      H\u00e3y nghe n\u00e0y, trong c\u00f4ng vi\u1ec7c v\u1edbi khu\u00f4n V h\u1eb9p, phim ho\u1ea1t \u0111\u1ed9ng \u00edt gi\u1ed1ng m\u1ed9t l\u1edbp \u0111\u1ed3ng \u0111\u1ec1u m\u00e0 gi\u1ed1ng m\u1ed9t m\u00e0ng di \u0111\u1ed9ng h\u01a1n.<\/p>\n\n\n\n

      B\u1ea1n c\u00f3 \u0111ang ki\u1ec3m tra b\u00e1n k\u00ednh b\u00ean trong v\u00e0 t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t t\u1ea1i vai khu\u00f4n d\u01b0\u1edbi k\u00ednh ph\u00f3ng \u0111\u1ea1i\u2014hay c\u1ee9 gi\u1ea3 \u0111\u1ecbnh \u201cc\u00f3 phim l\u00e0 an to\u00e0n\u201d b\u1ea5t k\u1ec3 \u0111\u1ed9 r\u1ed9ng khu\u00f4n V?<\/p>\n\n\n\n

      Ch\u1ea1y s\u1ea3n xu\u1ea5t d\u00e0i h\u1ea1n: S\u1ef1 gi\u1ea3m \u0111\u1ed9 d\u00e0y d\u1ea7n d\u1ea7n g\u00e2y thay \u0111\u1ed5i g\u00f3c gi\u1eefa l\u00f4 h\u00e0ng<\/h3>\n\n\n\n

      T\u1ea3i tr\u1ecdng cao g\u00e2y ra nh\u1eefng b\u01b0\u1edbc nh\u1ea3y.<\/p>\n\n\n\n

      C\u00e1c l\u01b0\u1ee3t ch\u1ea1y d\u00e0i g\u00e2y ra sai l\u1ec7ch.<\/p>\n\n\n\n

      H\u00e3y h\u00ecnh dung nh\u00f4m d\u00e0y 0.063 inch v\u1edbi m\u00e0ng 0.015 inch, 800 chi ti\u1ebft, m\u1ed7i chi ti\u1ebft c\u00f3 b\u1ed1n l\u1ea7n u\u1ed1n. \u0110\u00f3 l\u00e0 3.200 l\u1ea7n t\u00e1c \u0111\u1ed9ng l\u00ean c\u00f9ng m\u1ed9t d\u1ea3i polymer n\u1ebfu b\u1ea1n kh\u00f4ng d\u1ecbch chuy\u1ec3n n\u00f3. M\u1ed7i l\u1ea7n t\u00e1c \u0111\u1ed9ng l\u00e0m n\u00e9n, gi\u00e3n, v\u00e0 l\u00e0m n\u00f3ng nh\u1eb9 l\u1edbp urethane. Polymer kh\u00f4ng th\u00edch chu tr\u00ecnh \u0111\u00f3. Ch\u00fang b\u1ecb \"compression set\" \u2014 t\u1ee9c l\u00e0 gi\u1ea3m \u0111\u1ed9 d\u00e0y v\u0129nh vi\u1ec5n sau t\u1ea3i l\u1eb7p l\u1ea1i.<\/p>\n\n\n\n

      Gi\u1ea3 \u0111\u1ecbnh nh\u01b0ng th\u1ef1c t\u1ebf: \u0111\u1ed9 d\u00e0y n\u00e9n ban \u0111\u1ea7u \u0111o \u0111\u01b0\u1ee3c 0.008 inch. Sau 400 chu k\u1ef3 \u1edf c\u00f9ng m\u1ed9t v\u00f9ng, n\u00f3 ch\u1ec9 c\u00f2n 0.0065 inch. M\u1ea5t 0.0015 inch t\u1ea1i b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac s\u1ebd thay \u0111\u1ed5i \u0111\u1ed9 x\u00e2m nh\u1eadp. V\u1edbi u\u1ed1n kh\u00f4ng ch\u1ea1m 90\u00b0, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y kh\u00e1c bi\u1ec7t kho\u1ea3ng 0.3\u20130.5\u00b0 t\u00f9y thu\u1ed9c v\u00e0o V v\u00e0 v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

      Con s\u1ed1 nh\u1ecf. H\u1eadu qu\u1ea3 l\u1edbn.<\/p>\n\n\n\n

      Nh\u01b0ng s\u1ef1 sai l\u1ec7ch kh\u00f4ng tuy\u1ebfn t\u00ednh. L\u00fac \u0111\u1ea7u, m\u00e0ng \u1ed5n \u0111\u1ecbnh nhanh. Sau \u0111\u00f3 n\u00f3 gi\u1eef nguy\u00ean. R\u1ed3i khi xu\u1ea5t hi\u1ec7n vi r\u00e1ch v\u00e0 b\u1ec1 m\u1eb7t b\u1ecb b\u00f3ng, ma s\u00e1t thay \u0111\u1ed5i v\u00e0 h\u00e0nh vi n\u00e9n l\u1ea1i kh\u00e1c. \u0110\u00f3 l\u00e0 l\u00fd do chi ti\u1ebft s\u1ed1 1, s\u1ed1 200 v\u00e0 s\u1ed1 700 kh\u00f4ng c\u00f9ng k\u1ec3 m\u1ed9t c\u00e2u chuy\u1ec7n.<\/p>\n\n\n\n

      B\u1ea1n c\u00f3 th\u1ec3 gi\u00e1m s\u00e1t vi\u1ec7c n\u00e0y. L\u1ea5y m\u1eabu g\u00f3c m\u1ed7i 50 chi ti\u1ebft. Ghi l\u1ea1i l\u01b0\u1ee3ng ch\u1ec9nh c\u1ea7n thi\u1ebft c\u1ee7a ram. D\u1ecbch chuy\u1ec3n d\u1ea3i m\u00e0ng m\u1ed7i 100 l\u1ea7n t\u00e1c \u0111\u1ed9ng. M\u1ed9t s\u1ed1 x\u01b0\u1edfng th\u1eadm ch\u00ed coi m\u00e0ng nh\u01b0 d\u1ee5ng c\u1ee5 ti\u00eau hao v\u00e0 thay n\u00f3 \u1edf s\u1ed1 chu k\u1ef3 c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n

      Nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng l\u00e0m n\u00f3 tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p chung.<\/p>\n\n\n\n

      N\u00f3 ch\u1ec9 qu\u1ea3n l\u00fd s\u1ef1 suy gi\u1ea3m.<\/p>\n\n\n\n

      V\u00e0 khi b\u1ea1n ch\u1ea5p nh\u1eadn r\u1eb1ng m\u00e0ng c\u00f3 tu\u1ed5i th\u1ecd c\u01a1 h\u1ecdc d\u01b0\u1edbi t\u1ea3i\u2014\u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi l\u1ef1c n\u00e9n, chi\u1ec1u r\u1ed9ng V, v\u00e0 s\u1ed1 chu k\u1ef3\u2014b\u1ea1n s\u1ebd ng\u1eebng h\u1ecfi l\u00e0m sao \u0111\u1ec3 \u201cc\u00e0i \u0111\u1eb7t v\u00e0 qu\u00ean n\u00f3 \u0111i.\u201d<\/p>\n\n\n\n

      B\u1ea1n b\u1eaft \u0111\u1ea7u h\u1ecfi li\u1ec7u m\u1ed9t l\u1edbp m\u1ec1m, hy sinh c\u00f3 ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p cho c\u00f4ng vi\u1ec7c hay kh\u00f4ng.<\/p>\n\n\n\n

      V\u1eady trong l\u1ea7n ch\u1ea1y th\u00e9p kh\u00f4ng g\u1ec9 1.000 chi ti\u1ebft ti\u1ebfp theo, b\u1ea1n c\u00f3 \u0111ang coi l\u1edbp urethane \u0111\u00f3 nh\u01b0 d\u1ee5ng c\u1ee5 ch\u00ednh x\u00e1c c\u00f3 tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng\u2014hay ch\u1ec9 nh\u01b0 b\u0103ng keo ph\u1ee7 l\u00ean khu\u00f4n v\u00e0 hy v\u1ecdng n\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t?<\/p>\n\n\n\n

      V\u01b0\u1ee3t ngo\u00e0i m\u00e0ng: Khi n\u00e0o n\u00ean b\u1ecf urethane \u0111\u1ec3 n\u00e2ng c\u1ea5p d\u1ee5ng c\u1ee5 v\u0129nh vi\u1ec5n<\/h2>\n\n\n\n

      Gi\u1edd b\u1ea1n \u0111ang \u0111\u1eb7t \u0111\u00fang c\u00e2u h\u1ecfi: n\u1ebfu m\u00e0ng c\u00f3 tu\u1ed5i th\u1ecd c\u01a1 h\u1ecdc v\u00e0 \u0111\u01b0\u1eddng cong h\u1ecfng h\u00f3c, th\u00ec c\u00e1i g\u00ec thay th\u1ebf n\u00f3 khi c\u00f4ng vi\u1ec7c kh\u00f4ng th\u1ec3 ch\u1ecbu sai l\u1ec7ch?<\/p>\n\n\n\n

      \u0110\u00e2y l\u00e0 s\u1ef1 thay \u0111\u1ed5i m\u00e0 t\u00f4i m\u1ea5t nhi\u1ec1u n\u0103m m\u1edbi ch\u1ea5p nh\u1eadn. Vi\u1ec7c b\u1ea3o v\u1ec7 ch\u1ec9 \u0111\u00e1ng gi\u1eef n\u1ebfu n\u00f3 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c. N\u1ebfu l\u1edbp gi\u1eefa t\u1ea5m v\u00e0 khu\u00f4n thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y d\u01b0\u1edbi t\u1ea3i, tr\u00ean to\u00e0n b\u00e0n ho\u1eb7c theo th\u1eddi gian, b\u1ea1n ch\u01b0a gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ebft x\u01b0\u1edbc\u2014b\u1ea1n ch\u1ec9 ch\u00e8n m\u1ed9t gio\u0103ng m\u1ec1m v\u00e0o khu\u00f4n ch\u00ednh x\u00e1c v\u00e0 hy v\u1ecdng vi\u1ec7c \u0111\u00fac v\u1eabn ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

      N\u00e2ng c\u1ea5p d\u1ee5ng c\u1ee5 v\u0129nh vi\u1ec5n kh\u00f4ng nh\u1eb1m \u0111\u1ec3 l\u00e0m sang. M\u1ee5c ti\u00eau l\u00e0 \u0111\u01b0a bi\u1ebfn s\u1ed1 ra kh\u1ecfi qu\u00e1 tr\u00ecnh n\u00e9n v\u00e0 v\u00e0o h\u00ecnh d\u1ea1ng m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 \u0111o b\u1eb1ng panme thay v\u00ec ph\u1ecfng \u0111o\u00e1n b\u1eb1ng th\u01b0\u1edbc \u0111o g\u00f3c. V\u1eady con \u0111\u01b0\u1eddng n\u00e0o th\u1ef1c s\u1ef1 ki\u1ec3m so\u00e1t \u0111\u1ed9 d\u00e0y thay v\u00ec ph\u1ea3n \u1ee9ng v\u1edbi n\u00f3?<\/p>\n\n\n\n

      Khu\u00f4n urethane so v\u1edbi m\u00e0ng d\u00e1n: c\u00e1i n\u00e0o ki\u1ec3m so\u00e1t \u0111\u1ed9 d\u00e0y tr\u01b0\u1edbc ti\u00ean v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n?<\/h3>\n\n\n\n

      \u0110\u1ed9 d\u00e0y m\u00e0ng ch\u1ec9 l\u00e0 danh ngh\u0129a. H\u1ed9p ghi 0.015 inch. B\u1ea1n \u0111o \u0111\u01b0\u1ee3c 0.0145 \u1edf m\u1ed9t ch\u1ed7, 0.016 \u1edf ch\u1ed7 kh\u00e1c. R\u1ed3i khi t\u1ea3i n\u00f3, con s\u1ed1 \u0111\u00f3 kh\u00f4ng c\u00f2n \u00fd ngh\u0129a v\u00ec \u0111\u1ed9 n\u00e9n ph\u1ee5 thu\u1ed9c v\u00e0o l\u1ef1c n\u00e9n tr\u00ean m\u1ed7i foot.<\/p>\n\n\n\n

      Khu\u00f4n V urethane th\u00ec kh\u00e1c. Polymer ch\u00ednh l\u00e0 khu\u00f4n, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u1edbp da d\u00e1n l\u00ean th\u00e9p. \u0110\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3\u2014v\u00ed d\u1ee5 90A so v\u1edbi 95A Shore\u2014\u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh. H\u00ecnh d\u1ea1ng c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c gia c\u00f4ng ho\u1eb7c \u0111\u00fac v\u1edbi chi\u1ec1u m\u1edf V c\u1ee5 th\u1ec3. Khi n\u00f3 n\u00e9n, n\u00f3 n\u00e9n nh\u01b0 v\u1eadt li\u1ec7u kh\u1ed1i v\u1edbi h\u00e0nh vi durometer \u0111\u00e3 bi\u1ebft, ch\u1ee9 kh\u00f4ng nh\u01b0 m\u00e0ng m\u1ecfng c\u00f3 th\u1ec3 nh\u0103n, \u00e9p tr\u00e0n ho\u1eb7c b\u1ecb \"compression set\" kh\u00f4ng \u0111\u1ec1u.<\/p>\n\n\n\n

      \u0110i\u1ec1u n\u00e0y kh\u00f4ng l\u00e0m n\u00f3 c\u1ee9ng, m\u00e0 l\u00e0m n\u00f3 c\u00f3 th\u1ec3 \u0111\u1eb7c tr\u01b0ng h\u00f3a.<\/p>\n\n\n\n

      Nghe n\u00e0y, l\u1ea7n \u0111\u1ea7u b\u1ea1n thay khu\u00f4n th\u00e9p V 1.000 inch c\u1ed9ng m\u00e0ng 0.030 inch b\u1eb1ng m\u1ed9t khu\u00f4n urethane chuy\u00ean d\u1ee5ng, \u0111\u01b0\u1eddng cong l\u1ef1c n\u00e9n s\u1ebd thay \u0111\u1ed5i. L\u1ef1c y\u00eau c\u1ea7u th\u01b0\u1eddng gi\u1ea3m. N\u1ebfu m\u00e1y u\u1ed1n (brake) c\u1ee7a b\u1ea1n \u1edf m\u1ee9c gi\u1edbi h\u1ea1n v\u1edbi v\u1eadt li\u1ec7u d\u00e0y h\u01a1n, b\u1ea1n c\u00f3 th\u1ec3 b\u1ea5t ng\u1edd nh\u1eadn ra m\u00ecnh \u0111ang thi\u1ebfu l\u1ef1c v\u00e0 kh\u00f4ng \u0111\u1ea1t \u0111\u1ed9 s\u00e2u. \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u1ed7i c\u1ee7a khu\u00f4n\u2014m\u00e0 l\u00e0 kho\u1ea3ng c\u00e1ch t\u01b0\u01a1ng th\u00edch trong thi\u1ebft l\u1eadp c\u1ee7a b\u1ea1n. CNC c\u1ee7a b\u1ea1n \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n d\u1ef1a tr\u00ean \u0111\u1eb7c t\u00ednh n\u00e9n c\u1ee7a th\u00e9p ch\u1ee9 kh\u00f4ng ph\u1ea3i d\u1ee5ng c\u1ee5 \u0111\u00e0n h\u1ed3i.<\/p>\n\n\n\n

      V\u00ec v\u1eady, s\u1ef1 so s\u00e1nh kh\u00f4ng ph\u1ea3i l\u00e0 \u201cphim r\u1ebb so v\u1edbi khu\u00f4n \u0111\u1eaft.\u201d M\u00e0 l\u00e0 \u201cl\u1edbp n\u00e9n bi\u1ebfn thi\u00ean so v\u1edbi h\u00ecnh h\u1ecdc \u0111\u00e0n h\u1ed3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.\u201d M\u1ed9t c\u00e1i tr\u00f4i trong khi ch\u1ea1y. C\u00e1i c\u00f2n l\u1ea1i thay \u0111\u1ed5i \u0111\u01b0\u1eddng c\u01a1 s\u1edf c\u1ee7a b\u1ea1n v\u00e0 gi\u1eef nguy\u00ean \u1edf \u0111\u00f3.<\/p>\n\n\n\n

      B\u1ea1n \u0111ang v\u1eadn h\u00e0nh m\u1ed9t m\u00e1y phanh v\u1edbi \u0111\u1ee7 \u0111\u1ed9 ph\u00e2n gi\u1ea3i \u0111i\u1ec1u khi\u1ec3n \u2014 v\u00e0 \u0111\u1ee7 bi\u00ean \u0111\u1ed9 t\u1ea3i tr\u1ecdng \u2014 \u0111\u1ec3 l\u1eadp tr\u00ecnh xung quanh m\u1ed9t khu\u00f4n \u0111\u00e0n h\u1ed3i m\u1ed9t c\u00e1ch c\u00f3 ch\u1ee7 \u0111\u00edch, hay b\u1ea1n hi\u1ec7n t\u1ea1i ch\u1ec9 v\u1eeba \u0111\u1ee7 gi\u1eef g\u00f3c v\u1edbi th\u00e9p?<\/p>\n\n\n\n

      Kh\u00eda c\u1ea1nh<\/th>M\u00e0ng d\u00ednh<\/th>Khu\u00f4n ch\u1eef V b\u1eb1ng urethane<\/th><\/tr><\/thead>
      \u0110\u1ed9 d\u00e0y danh ngh\u0129a<\/td>\u0110\u01b0\u1ee3c li\u1ec7t k\u00ea (v\u00ed d\u1ee5: 0,015 in) nh\u01b0ng thay \u0111\u1ed5i th\u1ef1c t\u1ebf (v\u00ed d\u1ee5: 0,0145\u20130,016 in)<\/td>\u0110\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi h\u00ecnh d\u1ea1ng m\u1edf ch\u1eef V \u0111\u01b0\u1ee3c gia c\u00f4ng ho\u1eb7c \u0111\u00fac<\/td><\/tr>
      H\u00e0nh vi khi ch\u1ecbu t\u1ea3i<\/td>\u0110\u1ed9 n\u00e9n thay \u0111\u1ed5i d\u1ef1a tr\u00ean t\u1ea3i tr\u1ecdng tr\u00ean m\u1ed7i foot; \u0111\u1ed9 d\u00e0y m\u1ea5t t\u00ednh d\u1ef1 \u0111o\u00e1n<\/td>N\u00e9n nh\u01b0 m\u1ed9t v\u1eadt li\u1ec7u kh\u1ed1i v\u1edbi h\u00e0nh vi \u0111\u1ed9 c\u1ee9ng durometer \u0111\u00e3 bi\u1ebft<\/td><\/tr>
      \u0110\u1eb7c t\u00ednh v\u1eadt li\u1ec7u<\/td>M\u00e0ng m\u1ecfng; c\u00f3 th\u1ec3 nh\u0103n, ph\u00f2i ra ho\u1eb7c bi\u1ebfn d\u1ea1ng kh\u00f4ng \u0111\u1ec1u<\/td>Th\u00e2n polymer ho\u1ea1t \u0111\u1ed9ng nh\u01b0 ch\u00ednh khu\u00f4n; \u0111\u1ed9 c\u1ee9ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh (v\u00ed d\u1ee5: 90A so v\u1edbi 95A Shore)<\/td><\/tr>
      T\u00ednh d\u1ef1 \u0111o\u00e1n<\/td>L\u1edbp n\u00e9n bi\u1ebfn thi\u00ean; c\u00f3 th\u1ec3 tr\u00f4i khi \u0111ang ch\u1ea1y<\/td>H\u00ecnh h\u1ecdc \u0111\u00e0n h\u1ed3i x\u00e1c \u0111\u1ecbnh; thay \u0111\u1ed5i \u0111\u01b0\u1eddng c\u01a1 s\u1edf nh\u01b0ng v\u1eabn \u1ed5n \u0111\u1ecbnh<\/td><\/tr>
      \u0110\u1ed9 c\u1ee9ng<\/td>M\u1ec1m d\u1ebbo v\u00e0 kh\u00f4ng nh\u1ea5t qu\u00e1n<\/td>Kh\u00f4ng c\u1ee9ng, nh\u01b0ng c\u00f3 th\u1ec3 \u0111\u1eb7c tr\u01b0ng h\u00f3a v\u00e0 nh\u1ea5t qu\u00e1n<\/td><\/tr>
      T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn t\u1ea3i tr\u1ecdng<\/td>Duy tr\u00ec k\u1ef3 v\u1ecdng s\u1ea3n l\u01b0\u1ee3ng ti\u00eau chu\u1ea9n c\u1ee7a th\u00e9p khi ch\u1eb7n g\u00e1<\/td>Th\u01b0\u1eddng gi\u1ea3m l\u1ef1c c\u1ea7n thi\u1ebft; \u0111\u01b0\u1eddng cong s\u1ea3n l\u01b0\u1ee3ng thay \u0111\u1ed5i<\/td><\/tr>
      Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch thi\u1ebft l\u1eadp<\/td>Ho\u1ea1t \u0111\u1ed9ng trong hi\u1ec7u chu\u1ea9n CNC d\u1ef1a tr\u00ean th\u00e9p hi\u1ec7n c\u00f3<\/td>Y\u00eau c\u1ea7u hi\u1ec7u chu\u1ea9n l\u1ea1i cho h\u00e0nh vi d\u1ee5ng c\u1ee5 \u0111\u00e0n h\u1ed3i<\/td><\/tr>
      Y\u1ebfu t\u1ed1 r\u1ee7i ro<\/td>S\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ki\u1ec3m so\u00e1t g\u00f3c<\/td>C\u00f3 th\u1ec3 x\u1ea3y ra thi\u1ebfu s\u1ea3n l\u01b0\u1ee3ng n\u1ebfu m\u00e1y phanh thi\u1ebfu bi\u00ean \u0111\u1ed9 \u0111\u1ee7<\/td><\/tr>
      \u0110\u1ecbnh khung chi ph\u00ed<\/td>Chi ph\u00ed ban \u0111\u1ea7u th\u1ea5p h\u01a1n<\/td>Chi ph\u00ed ban \u0111\u1ea7u cao h\u01a1n<\/td><\/tr>
      So s\u00e1nh th\u1ef1c t\u1ebf<\/td>L\u1edbp n\u00e9n bi\u1ebfn \u0111\u1ed5i<\/td>H\u00ecnh h\u1ecdc \u0111\u00e0n h\u1ed3i x\u00e1c \u0111\u1ecbnh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      Ch\u00e0y V l\u0103n v\u00e0 mi\u1ebfng ch\u00e8n nylon: Gi\u1ea3i ph\u00e1p l\u00e2u d\u00e0i cho th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00e1nh b\u00f3ng<\/h3>\n\n\n\n

      Th\u00e9p \u0111\u00e1nh b\u00f3ng 304 kh\u00f4ng quan t\u00e2m nh\u1eefng l\u1eddi bi\u1ec7n h\u1ed9 c\u1ee7a b\u1ea1n. N\u00f3 quan t\u00e2m \u0111\u1ebfn \u00e1p l\u1ef1c ti\u1ebfp x\u00fac v\u00e0 l\u1ef1c tr\u01b0\u1ee3t.<\/p>\n\n\n\n

      M\u1ed9t ch\u00e0y V l\u0103n thay \u0111\u1ed5i v\u1eadt l\u00fd. Thay v\u00ec k\u00e9o t\u1ea5m qua c\u00e1c vai c\u1ed1 \u0111\u1ecbnh, c\u00e1c vai quay. Ti\u1ebfp x\u00fac tr\u1edf th\u00e0nh l\u0103n thay v\u00ec tr\u01b0\u1ee3t. \u00c1p l\u1ef1c b\u1ec1 m\u1eb7t ph\u00e2n b\u1ed1 kh\u00e1c \u0111i. B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n \u0111\u01b0\u1ee3c gi\u1eef nguy\u00ean v\u00ec ma s\u00e1t gi\u1ea3m, kh\u00f4ng ph\u1ea3i v\u00ec b\u1ea1n l\u00f3t th\u00eam v\u00e0o ch\u00e0y.<\/p>\n\n\n\n

      \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng c\u00f3 l\u1edbp n\u00e9n \u0111\u1ec3 l\u00e0m d\u00e0y \u0111\u1eb7c. Kh\u00f4ng m\u1ea5t \u0111\u1ed9 d\u00e0y d\u1ea7n d\u1ea7n. H\u00ecnh h\u1ecdc m\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n th\u1ea5y \u1edf ph\u1ea7n \u0111\u1ea7u ti\u00ean c\u0169ng gi\u1ed1ng nh\u01b0 \u1edf ph\u1ea7n th\u1ee9 n\u0103m tr\u0103m.<\/p>\n\n\n\n

      Mi\u1ebfng ch\u00e8n nylon gi\u1ea3i quy\u1ebft c\u00f9ng v\u1ea5n \u0111\u1ec1 t\u1eeb m\u1ed9t g\u00f3c kh\u00e1c. B\u1ea1n gia c\u00f4ng m\u1ed9t th\u00e2n ch\u00e0y th\u00e9p v\u1edbi m\u1ed9t khoang v\u00e0 c\u1ed1 \u0111\u1ecbnh m\u1ed9t d\u1ea3i nylon thay th\u1ebf\u2014d\u00e0y kho\u1ea3ng 0,250 inch, \u0111\u01b0\u1ee3c gi\u1eef c\u01a1 h\u1ecdc \u0111\u1ec3 kh\u00f4ng b\u1ecb tr\u01b0\u1ee3t v\u1ec1 ph\u00eda tr\u01b0\u1edbc. Gi\u1edd \u0111\u00e2y, v\u1eadt li\u1ec7u b\u1ea3o v\u1ec7 c\u00f3 ti\u1ebft di\u1ec7n x\u00e1c \u0111\u1ecbnh v\u00e0 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 t\u1eeb m\u1ecdi ph\u00eda. N\u00f3 kh\u00f4ng b\u1ecb \u00e9p v\u00e0o V v\u00ec ch\u00ednh n\u00f3 l\u00e0 b\u1ec1 m\u1eb7t V.<\/p>\n\n\n\n

      Khi b\u1ecb m\u00f2n, b\u1ea1n thay th\u1ebf mi\u1ebfng ch\u00e8n. B\u1ea1n kh\u00f4ng m\u1ea5t th\u1eddi gian ba gi\u1edd \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh g\u00f3c v\u00e0 t\u1ef1 h\u1ecfi v\u00ec sao \u201cKh\u00f4ng x\u01b0\u1edbc\u201d l\u1ea1i bi\u1ebfn th\u00e0nh 88,7\u00b0 tr\u00ean m\u1ed9t y\u00eau c\u1ea7u 90\u00b0.<\/p>\n\n\n\n

      B\u1ea1n \u0111ang b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t b\u1eb1ng c\u00e1ch gi\u1ea3m ma s\u00e1t v\u00e0 ki\u1ec3m so\u00e1t ti\u1ebfp x\u00fac \u2014 hay b\u1eb1ng c\u00e1ch nh\u1ed3i m\u1ed9t th\u1ee9 g\u00ec \u0111\u00f3 m\u1ec1m gi\u1eefa hai d\u1ee5ng c\u1ee5 c\u1ee9ng v\u00e0 hy v\u1ecdng n\u00f3 s\u1ebd ho\u1ea1t \u0111\u1ed9ng \u1ed5n?<\/p>\n\n\n\n

      X\u00e1c \u0111\u1ecbnh giao th\u1ee9c \u0111i\u1ec1u ch\u1ec9nh tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t, kh\u00f4ng ph\u1ea3i sau khi \u0111\u00e3 c\u00f3 ph\u1ebf ph\u1ea9m<\/h3>\n\n\n\n

      \u0110\u00e2y l\u00e0 c\u00e1ch nh\u00ecn m\u00e0 t\u00f4i mu\u1ed1n b\u1ea1n duy tr\u00ec: vi\u1ec7c b\u1ea3o v\u1ec7 ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf gi\u1ed1ng nh\u01b0 d\u1ee5ng c\u1ee5, kh\u00f4ng ph\u1ea3i \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nh\u01b0 b\u0103ng keo.<\/p>\n\n\n\n

      N\u1ebfu b\u1ea1n ch\u1ecdn khu\u00f4n uretan, b\u1ea1n c\u1ea7n ch\u1ee9ng nh\u1eadn n\u00f3. B\u1ea1n ch\u1ea1y th\u1eed nghi\u1ec7m u\u1ed1n c\u00f3 ki\u1ec3m so\u00e1t \u1edf t\u1ea3i tr\u1ecdng x\u00e1c \u0111\u1ecbnh t\u00ednh theo t\u1ea5n m\u1ed7i foot. B\u1ea1n ghi l\u1ea1i \u0111\u1ed9 xuy\u00ean \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c g\u00f3c 90,0\u00b0. B\u1ea1n ghi nh\u1eadn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i v\u1edbi \u0111\u00fang l\u00f4 v\u1eadt li\u1ec7u \u0111\u00f3. Ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00f3 tr\u1edf th\u00e0nh \u201cUrethane V 1.000-90A,\u201d ch\u1ee9 kh\u00f4ng ph\u1ea3i \u201c1.000 V v\u1edbi m\u00e0ng.\u201d<\/p>\n\n\n\n

      N\u1ebfu b\u1ea1n l\u1eafp khu\u00f4n V c\u00f3 con l\u0103n, b\u1ea1n x\u00e1c nh\u1eadn g\u00f3c so v\u1edbi \u0111\u1ed9 s\u00e2u tr\u00ean to\u00e0n m\u1eb7t gi\u01b0\u1eddng v\u00e0 ki\u1ec3m tra ph\u1ea3n \u1ee9ng v\u1ed3ng v\u00ec ti\u1ebfp x\u00fac l\u0103n c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i ph\u00e2n b\u1ed1 t\u1ea3i nh\u1eb9. Sau \u0111\u00f3, b\u1ea1n l\u01b0u n\u00f3 nh\u01b0 m\u1ed9t m\u1ee5c ri\u00eang trong th\u01b0 vi\u1ec7n d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

      N\u1ebfu b\u1ea1n quy \u0111\u1ecbnh mi\u1ebfng ch\u00e8n nylon, b\u1ea1n x\u00e1c \u0111\u1ecbnh kho\u1ea3ng th\u1eddi gian ki\u1ec3m tra \u0111\u1ed9 m\u00f2n \u2014 m\u1ed7i 300 l\u1ea7n \u0111\u1eadp, m\u1ed7i ca, t\u00f9y theo d\u1eef li\u1ec7u b\u1ea1n c\u00f3 \u2014 v\u00e0 b\u1ea1n x\u1eed l\u00fd \u0111\u1ed9 d\u00e0y c\u1ee7a mi\u1ebfng ch\u00e8n gi\u1ed1ng nh\u01b0 b\u00e1n k\u00ednh ch\u00e0y m\u00e0i ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n

      Ph\u1ea7n kh\u00f4ng hi\u1ec3n nhi\u00ean? B\u1ea1n kh\u00f4ng lo\u1ea1i b\u1ecf vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh. B\u1ea1n chuy\u1ec3n n\u00f3 l\u00ean \u0111\u1ea7u c\u00f4ng vi\u1ec7c, n\u01a1i n\u00f3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, ghi ch\u00e9p v\u00e0 l\u1eb7p l\u1ea1i \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

      Nh\u01b0ng th\u01b0\u1edbc \u0111o g\u00f3c k\u1ef9 thu\u1eadt s\u1ed1 cho th\u1ea5y 88\u00b0, kh\u00f4ng ph\u1ea3i 90\u00b0, v\u00e0 gi\u1edd \u0111\u00e2y b\u1ea1n l\u1ea1i \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u c\u1ee7a \u0111\u1ea7u m\u00e1y nh\u01b0 th\u01b0\u1eddng l\u1ec7. S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 b\u1ea1n \u0111ang b\u00f9 cho m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u00e0n h\u1ed3i \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn \u2014 hay b\u1ea1n \u0111ang \u0111u\u1ed5i theo m\u1ed9t lo\u1ea1i polymer \u0111ang thay \u0111\u1ed5i ngay d\u01b0\u1edbi ch\u00e2n m\u00ecnh.<\/p>\n\n\n\n

      V\u00ec v\u1eady, h\u00e3y nh\u00ecn l\u1ea1i l\u1ea7n ch\u1ea1y th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00e1nh b\u00f3ng ti\u1ebfp theo c\u1ee7a b\u1ea1n v\u00e0 tr\u1ea3 l\u1eddi th\u1eb3ng th\u1eafn: b\u1ea1n c\u00f3 \u0111ang thi\u1ebft k\u1ebf b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t nh\u01b0 m\u1ed9t d\u1ee5ng c\u1ee5 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong th\u01b0 vi\u1ec7n c\u1ee7a m\u00ecnh, hay b\u1ea1n v\u1eabn \u0111ang xem n\u00f3 nh\u01b0 m\u1ed9t mi\u1ebfng b\u0103ng ti\u00eau hao \u0111\u1eb7t l\u00ean th\u00e9p t\u00f4i c\u1ee9ng?<\/p>","protected":false},"excerpt":{"rendered":"

      At 2:15 p.m. you were holding a clean, mirror-finish stainless part. No scratches. At 3:00 p.m., same job, same program, now every flange is sitting at 88\u00b0 instead of 90\u00b0. Only thing that changed? A 0.030-inch urethane film snapped over the die shoulders. You didn\u2019t \u201close\u201d two degrees. You inserted a soft gasket into a […]<\/p>\n","protected":false},"author":1,"featured_media":1039,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_breakdance_hide_in_design_set":false,"_breakdance_tags":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-1038","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/1038","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/comments?post=1038"}],"version-history":[{"count":2,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/1038\/revisions"}],"predecessor-version":[{"id":1064,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/1038\/revisions\/1064"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media\/1039"}],"wp:attachment":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media?parent=1038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/categories?post=1038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/tags?post=1038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}