{"id":1134,"date":"2026-03-09T05:36:45","date_gmt":"2026-03-09T05:36:45","guid":{"rendered":"https:\/\/cn-hawe.com\/?p=1134"},"modified":"2026-03-09T05:36:47","modified_gmt":"2026-03-09T05:36:47","slug":"urethane-v-dies-for-press-brakes","status":"publish","type":"post","link":"https:\/\/cn-hawe.com\/vi\/urethane-v-dies-for-press-brakes\/","title":{"rendered":"Ch\u00e0y ch\u1eef V b\u1eb1ng urethane cho m\u00e1y ch\u1ea5n t\u00f4n: Chi ph\u00ed th\u1eadt s\u1ef1 \u0111\u1ec3 c\u00f3 m\u1ed9t g\u00f3c u\u1ed1n kh\u00f4ng tr\u1ea7y x\u01b0\u1edbc"},"content":{"rendered":"

T\u1ea5m panel tr\u00f4ng ho\u00e0n h\u1ea3o d\u01b0\u1edbi \u00e1nh s\u00e1ng c\u1eeda h\u00e0ng. Sau \u0111\u00f3 kh\u00e1ch h\u00e0ng \u0111\u01b0a n\u00f3 d\u01b0\u1edbi gi\u1ebfng tr\u1eddi v\u00e0 nh\u1eefng \u0111\u01b0\u1eddng ch\u1eef V m\u1edd hi\u1ec7n ra nh\u01b0 d\u1ea5u v\u00e2n tay. C\u1ea3 pallet b\u1ecb t\u1eeb ch\u1ed1i.<\/p>\n\n\n\n

Th\u01b0\u1eddng th\u00ec l\u00fac \u0111\u00f3 c\u00f3 ng\u01b0\u1eddi gi\u01a1 m\u1ed9t t\u1edd brochure v\u1ec1 V-die urethane v\u00e0 n\u00f3i: \u201cV\u1ea5n \u0111\u1ec1 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft.\u201d Nghe c\u00f3 v\u1ebb g\u1ecdn g\u00e0ng. Nghe c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n. Nh\u01b0ng kh\u00f4ng ph\u1ea3i v\u1eady.<\/p>\n\n\n\n

\u1ea2o t\u01b0\u1edfng \u201cDrop-In\u201d: V\u00ec sao kh\u00f4ng \u0111\u1ec3 l\u1ea1i d\u1ea5u tr\u00ean b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c t\u1ed1t h\u01a1n<\/h2>\n\n\n\n

Khi v\u1ebft tr\u00ean b\u1ec1 m\u1eb7t tr\u1edf th\u00e0nh l\u00fd do kh\u00e1ch h\u00e0ng t\u1eeb ch\u1ed1i, kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t s\u1ef1 phi\u1ec1n to\u00e1i trong x\u01b0\u1edfng<\/h3>\n\n\n\n
\"Khi<\/figure>\n\n\n\n

T\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn m\u1ed9t t\u1ea5m che b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 $40 b\u1ecb lo\u1ea1i b\u1ecf v\u00ec hai \u0111\u01b0\u1eddng b\u00f3ng lo\u00e1ng m\u00e0 kh\u00f4ng l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 b\u1ec1n, g\u00f3c ho\u1eb7c \u0111\u1ed9 v\u1eeba kh\u00edt. Ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 th\u1ea9m m\u1ef9. Nh\u01b0ng \u0111\u01a1n \u0111\u1eb7t h\u00e0ng ghi \u201ckh\u00f4ng c\u00f3 d\u1ea5u d\u1ee5ng c\u1ee5 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c\u201d, v\u00e0 \u0111\u00f3 l\u00e0 lu\u1eadt.<\/p>\n\n\n\n

V\u1eady n\u00ean gi\u1edd \u0111\u00e2y ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t kh\u00f4ng c\u00f2n l\u00e0 s\u1edf th\u00edch c\u1ee7a x\u01b0\u1edfng m\u00e0 l\u00e0 y\u00eau c\u1ea7u h\u1ee3p \u0111\u1ed3ng. B\u1ea1n c\u00f3 th\u1ec3 m\u00e0i vai c\u1ee7a khu\u00f4n, th\u00eam m\u00e0ng b\u1ea3o v\u1ec7, gi\u1ea3m t\u1ed1c \u0111\u1ed9 \u00e9p. V\u1eabn r\u1ee7i ro. Urethane h\u1ee9a h\u1eb9n kh\u00f4ng c\u00f3 ti\u1ebfp x\u00fac kim lo\u1ea1i-v\u1edbi-kim lo\u1ea1i. Kh\u00f4ng c\u00f3 \u0111\u01b0\u1eddng vai. Kh\u00f4ng c\u00f3 d\u1ea5u ch\u1ee9ng. Ph\u1ea7n \u0111\u00f3 l\u00e0 th\u1eadt.<\/p>\n\n\n\n

Nh\u01b0ng \u0111\u00e2y l\u00e0 \u0111i\u1ec1u thay \u0111\u1ed5i cu\u1ed9c tr\u00f2 chuy\u1ec7n: kh\u00e1ch h\u00e0ng ch\u1ec9 nh\u00ecn th\u1ea5y b\u1ec1 m\u1eb7t. B\u1ea1n v\u1eabn ph\u1ea3i ch\u1ecbu gi\u1edbi h\u1ea1n l\u1ef1c \u00e9p, dung sai g\u00f3c, v\u00e0 th\u1eddi gian chu k\u1ef3. N\u1ebfu b\u1ea1n \u0111\u1ed5i m\u1ed9t \u0111\u01b0\u1eddng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c l\u1ea5y m\u1ed9t sai l\u1ec7ch g\u00f3c 1,5\u00b0 v\u00e0 t\u0103ng l\u1ef1c \u00e9p 25%, b\u1ea1n th\u1ef1c s\u1ef1 th\u1eafng \u0111\u01a1n h\u00e0ng \u2014 hay ch\u1ec9 chuy\u1ec3n \u0111i\u1ec3m th\u1ea5t b\u1ea1i?<\/p>\n\n\n\n

Gi\u1ea3 \u0111\u1ecbnh \u00e2m th\u1ea7m: \u0111\u1ed5i th\u00e9p sang urethane l\u00e0 m\u1ed9t n\u00e2ng c\u1ea5p \u0111\u01a1n gi\u1ea3n 1:1<\/h3>\n\n\n\n
\"Gi\u1ea3<\/figure>\n\n\n\n

M\u1ed9t k\u1ef9 s\u01b0 m\u1edbi s\u1ebd n\u00f3i: \u201cN\u00f3 v\u1eabn l\u00e0 V-die. C\u00f9ng k\u00edch th\u01b0\u1edbc m\u1edf. C\u00f9ng suy gi\u1ea3m g\u00f3c u\u1ed1n. Ch\u00fang ta ch\u1ec9 c\u1ea7n \u0111\u1eb7t v\u00e0o.\u201d<\/p>\n\n\n\n

Tr\u00ean gi\u1ea5y th\u00ec c\u00f3 th\u1ec3. Ngo\u00e0i th\u1ef1c t\u1ebf th\u00ec kh\u00f4ng.<\/p>\n\n\n\n

V-die th\u00e9p: vai c\u1ee9ng, h\u00ecnh h\u1ecdc c\u1ed1 \u0111\u1ecbnh. B\u1ea1n t\u00ednh l\u1ef1c \u00e9p d\u1ef1a tr\u00ean b\u1ea3ng u\u1ed1n kh\u00f4ng ch\u1ea1m chu\u1ea9n v\u00e0 b\u1ea1n sai s\u1ed1 ch\u1ec9 v\u00e0i ph\u1ea7n tr\u0103m n\u1ebfu ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u trung th\u1ef1c. V-die urethane: t\u1ea5m kim lo\u1ea1i l\u00fan v\u00e0o l\u1edbp \u0111\u1ec7m n\u00e9n \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi h\u00ecnh th\u00e0nh m\u1ed9t g\u00f3c th\u1eadt. M\u1ed9t ph\u1ea7n l\u1ef1c \u00e9p c\u1ee7a xy lanh \u0111i v\u00e0o u\u1ed1n kim lo\u1ea1i. M\u1ed9t ph\u1ea7n \u0111i v\u00e0o n\u00e9n cao su. \u0110\u00f3 l\u00e0 \u201cthu\u1ebf l\u1ef1c \u00e9p\u201d.<\/p>\n\n\n\n

T\u00f4i \u0111\u00e3 th\u1ea5y c\u00e1c c\u00f4ng vi\u1ec7c ch\u1ea1y \u1edf 60 t\u1ea5n b\u1eb1ng th\u00e9p t\u0103ng d\u1ea7n l\u00ean 75 khi \u0111\u1ed5i sang urethane tr\u00ean c\u00f9ng th\u00e9p m\u1ec1m 3 mm. \u0110\u00f3 l\u00e0 m\u1ed9t s\u1ef1 t\u0103ng 25%. Tr\u00ean m\u00e1y \u00e9p 100 t\u1ea5n, \u0111\u00f3 l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa tr\u1ea1ng th\u00e1i tho\u1ea3i m\u00e1i v\u00e0 lo l\u1eafng v\u1ec1 van x\u1ea3. B\u1ea1n c\u00f3 t\u00ednh kho\u1ea3n d\u1ef1 ph\u00f2ng \u0111\u00f3 kh\u00f4ng?<\/p>\n\n\n\n

Kho\u1ea3nh kh\u1eafc c\u1ee5 th\u1ec3 khi ng\u01b0\u1eddi v\u1eadn h\u00e0nh nh\u1eadn ra d\u1ee5ng c\u1ee5 m\u1ec1m ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n kh\u00e1c v\u1edbi th\u00e9p c\u1ee9ng<\/h3>\n\n\n\n
\"Kho\u1ea3nh<\/figure>\n\n\n\n

\u0110i\u1ec1u \u0111\u00f3 th\u01b0\u1eddng x\u1ea3y ra \u1edf ph\u1ea7n th\u1ee9 ba.<\/p>\n\n\n\n

L\u1ea7n u\u1ed1n \u0111\u1ea7u ti\u00ean: g\u00f3c tr\u00f4ng n\u00f4ng. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh t\u0103ng \u0111\u1ed9 s\u00e2u. L\u1ea7n th\u1ee9 hai: u\u1ed1n qu\u00e1. Anh ta gi\u1ea3m 0,2 mm. Ph\u1ea7n th\u1ee9 ba, c\u00f9ng \u0111\u1ed9 s\u00e2u, kh\u00e1c h\u01b0\u1edbng th\u1edb \u2014 g\u00f3c l\u1ea1i thay \u0111\u1ed5i.<\/p>\n\n\n\n

V\u1edbi th\u00e9p, khu\u00f4n kh\u00f4ng di chuy\u1ec3n. T\u1ea5t c\u1ea3 bi\u1ebfn \u0111\u1ed9ng n\u1eb1m \u1edf v\u1eadt li\u1ec7u. V\u1edbi urethane, khu\u00f4n l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng l\u00f2 xo. \u0110\u1ed9 d\u00e0y t\u0103ng 0,1 mm? \u0110\u1ec7m n\u00e9n kh\u00e1c \u0111i. H\u01b0\u1edbng th\u1edb thay \u0111\u1ed5i \u0111\u1ed9 h\u1ed3i l\u1ea1i? \u0110\u1ec7m h\u1ed3i kh\u00e1c \u0111i. Gi\u1edd b\u1ea1n \u0111ang \u0111i\u1ec1u ch\u1ec9nh m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u1ed9ng, kh\u00f4ng ph\u1ea3i m\u1ed9t tam gi\u00e1c c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 s\u1ef1 thay \u0111\u1ed5i b\u1ea1n c\u1ea7n th\u1ef1c hi\u1ec7n: b\u1ea1n kh\u00f4ng l\u1eafp m\u1ed9t V-die m\u1ec1m h\u01a1n. B\u1ea1n l\u1eafp m\u1ed9t h\u1ec7 th\u1ed1ng t\u1ea1o h\u00ecnh \u0111\u00e0n h\u1ed3i chia s\u1ebb t\u1ea3i v\u1edbi t\u1ea5m kim lo\u1ea1i. C\u00f9ng m\u00e1y \u00e9p. C\u00f9ng l\u1edbp s\u01a1n. H\u00e0nh vi m\u00e1y kh\u00e1c ho\u00e0n to\u00e0n.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n ch\u01b0a th\u1ea5y \u0111i\u1ec1u \u0111\u00f3, ph\u1ea7n ti\u1ebfp theo l\u00e0 n\u01a1i ch\u00fang t\u00f4i ph\u00e2n t\u00edch v\u00ec sao d\u1ee5ng c\u1ee5 c\u1ee9ng v\u00e0 d\u1ee5ng c\u1ee5 \u0111\u00e0n h\u1ed3i tu\u00e2n theo nh\u1eefng quy t\u1eafc ho\u00e0n to\u00e0n kh\u00e1c nhau.<\/p>\n\n\n\n

V\u1eadt l\u00fd c\u1ee7a u\u1ed1n: Kh\u00e1ng c\u1ee9ng vs. D\u1ecbch chuy\u1ec3n \u0111\u00e0n h\u1ed3i<\/h2>\n\n\n\n

Th\u00e9p kh\u00e1ng l\u1ea1i; urethane ch\u1ecbu nh\u00fan\u2014t\u1ea1i sao s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00f3 l\u1ea1i thay \u0111\u1ed5i c\u01a1 b\u1ea3n thi\u1ebft l\u1eadp c\u1ee7a b\u1ea1n<\/h3>\n\n\n\n

Nh\u1eadn m\u1ed9t c\u00f4ng vi\u1ec7c \u0111\u01a1n gi\u1ea3n: th\u00e9p m\u1ec1m 3 mm, kh\u1ea9u m\u1edf V g\u1ea5p 8\u00d7 \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u, u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y t\u1edbi 90\u00b0. Trong m\u1ed9t khu\u00f4n th\u00e9p, ch\u00e0y h\u1ea1 xu\u1ed1ng, t\u1ea5m kim lo\u1ea1i ti\u1ebfp x\u00fac v\u1edbi hai vai c\u1ee9ng, v\u00e0 khu\u00f4n kh\u00f4ng di chuy\u1ec3n. Kh\u00f4ng c\u00f3 \u0111\u1ed9 l\u1ec7ch \u0111o \u0111\u01b0\u1ee3c trong d\u1ee5ng c\u1ee5. T\u1ea5t c\u1ea3 h\u00ecnh h\u1ecdc \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh trong th\u00e9p, v\u00e0 to\u00e0n b\u1ed9 bi\u1ebfn d\u1ea1ng n\u1eb1m \u1edf t\u1ea5m kim lo\u1ea1i.<\/p>\n\n\n\n

B\u00e2y gi\u1edd thay b\u1eb1ng m\u1ed9t mi\u1ebfng urethane V-pad v\u1edbi kh\u1ea9u m\u1edf danh ngh\u0129a gi\u1ed1ng nhau. Ti\u1ebfp x\u00fac \u0111\u1ea7u ti\u00ean kh\u00f4ng ph\u1ea3i t\u1ea5m\u2013vai, m\u00e0 l\u00e0 t\u1ea5m\u2013kh\u1ed1i \u0111\u00e0n h\u1ed3i. Tr\u01b0\u1edbc khi kim lo\u1ea1i ch\u1ea3y \u1edf kho\u1ea3ng 250 MPa, urethane b\u1eaft \u0111\u1ea7u n\u00e9n. M\u1ed9t ph\u1ea7n h\u00e0nh tr\u00ecnh c\u1ee7a c\u1ea7n \u00e9p d\u00f9ng \u0111\u1ec3 u\u1ed1n th\u00e9p, v\u00e0 m\u1ed9t ph\u1ea7n d\u00f9ng \u0111\u1ec3 \u00e9p d\u1eb9p polymer. Hai \u0111\u01b0\u1eddng cong \u1ee9ng su\u1ea5t\u2013bi\u1ebfn d\u1ea1ng kh\u00e1c nhau x\u1ebfp ch\u1ed3ng trong c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

S\u1ef1 th\u1eadt \u0111\u01a1n gi\u1ea3n \u0111\u00f3 vi\u1ebft l\u1ea1i to\u00e0n b\u1ed9 b\u1ea3ng thi\u1ebft l\u1eadp c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

Trong u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y b\u1eb1ng th\u00e9p, b\u00e1n k\u00ednh b\u00ean trong ph\u1ee5 thu\u1ed9c kh\u1ea9u m\u1edf V. Thu h\u1eb9p V v\u00e0 t\u1ea3i tr\u1ecdng t\u0103ng theo c\u1ea5p s\u1ed1 nh\u00e2n; m\u1edf r\u1ed9ng v\u00e0 t\u1ea3i tr\u1ecdng gi\u1ea3m. H\u00ecnh h\u1ecdc c\u1ee7a khu\u00f4n \u0111i\u1ec1u khi\u1ec3n \u0111o\u1ea1n u\u1ed1n. V\u1edbi urethane, \u201ckh\u1ea9u m\u1edf V\u201d kh\u00f4ng c\u00f2n c\u1ed1 \u0111\u1ecbnh d\u01b0\u1edbi t\u1ea3i. N\u00f3 bi\u1ebfn d\u1ea1ng. Vai m\u1edf ra \u1edf m\u1ee9c vi m\u00f4, v\u00f9ng ti\u1ebfp x\u00fac l\u1edbn h\u01a1n, v\u00e0 t\u1ea5m ch\u00ecm s\u00e2u h\u01a1n tr\u01b0\u1edbc khi m\u00f4 men u\u1ed1n th\u1ef1c s\u1ef1 h\u00ecnh th\u00e0nh. Quan h\u1ec7 gi\u1eefa \u0111\u1ed9 r\u1ed9ng kh\u1ea9u m\u1edf v\u00e0 b\u00e1n k\u00ednh b\u00ean trong tr\u1edf th\u00e0nh ph\u1ee5 thu\u1ed9c t\u1ea3i tr\u1ecdng thay v\u00ec ph\u1ee5 thu\u1ed9c h\u00ecnh h\u1ecdc.<\/p>\n\n\n\n

Gi\u1edd \u0111\u00e2y b\u1ea1n kh\u00f4ng ch\u1ec9 ch\u1ecdn \u0111\u1ed9 r\u1ed9ng khu\u00f4n n\u1eefa. B\u1ea1n \u0111ang ch\u1ecdn m\u1ee9c khu\u00f4n \u0111\u01b0\u1ee3c ph\u00e9p di chuy\u1ec3n d\u01b0\u1edbi l\u1ef1c. B\u1ea1n c\u00f3 t\u00ednh \u0111\u1ebfn s\u1ef1 d\u1ecbch chuy\u1ec3n \u0111\u00f3 trong t\u00ednh to\u00e1n kh\u1ea5u tr\u1eeb u\u1ed1n kh\u00f4ng, c\u00f3 hay kh\u00f4ng?<\/p>\n\n\n\n

T\u1ea1i sao b\u1ea1n \u0111\u1ed9t nhi\u00ean ph\u1ea3i \u0111\u1ea5u v\u1edbi khu\u00f4n thay v\u00ec ch\u1ec9 v\u1edbi t\u1ea5m kim lo\u1ea1i<\/h3>\n\n\n\n

T\u00f4i \u0111\u00e3 th\u1ea5y m\u1ed9t c\u00f4ng vi\u1ec7c c\u1ea7n 60 t\u1ea5n trong khu\u00f4n V th\u00e9p t\u0103ng l\u00ean 75 t\u1ea5n khi d\u00f9ng urethane tr\u00ean c\u00f9ng m\u00e1y \u00e9p. C\u00f9ng v\u1eadt li\u1ec7u. C\u00f9ng \u0111\u1ed9 d\u00e0y. C\u00f9ng g\u00f3c. \u0110\u00f3 l\u00e0 t\u0103ng 25%. Kh\u00f4ng ph\u1ea3i v\u00ec th\u00e9p tr\u1edf n\u00ean c\u1ee9ng h\u01a1n, m\u00e0 v\u00ec 10\u201320% \u0111\u1ea7u ti\u00ean c\u1ee7a h\u00e0nh tr\u00ecnh l\u00e0 \u0111\u1ec3 n\u00e9n pad tr\u01b0\u1edbc khi \u1ee9ng su\u1ea5t u\u1ed1n \u0111\u1ea7y \u0111\u1ee7 xu\u1ea5t hi\u1ec7n trong t\u1ea5m.<\/p>\n\n\n\n

\u0110\u00f3 ch\u00ednh l\u00e0 \u201cthu\u1ebf t\u1ea3i tr\u1ecdng\u201d.<\/p>\n\n\n\n

Trong d\u1ee5ng c\u1ee5 th\u00e9p, khu\u00f4n ch\u1ed1ng l\u1ea1i l\u1ef1c ngay l\u1eadp t\u1ee9c. L\u1ef1c t\u1eeb c\u1ea7n \u00e9p chuy\u1ec3n g\u1ea7n nh\u01b0 tr\u1ef1c ti\u1ebfp th\u00e0nh m\u00f4 men u\u1ed1n. Trong urethane, l\u1ef1c tr\u01b0\u1edbc ti\u00ean tr\u1edf th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111\u00e0n h\u1ed3i l\u01b0u tr\u1eef trong pad. Ch\u1ec9 sau khi n\u00e9n \u0111\u1ee7 th\u00ec t\u1ea5m m\u1edbi nh\u1eadn \u0111\u01b0\u1ee3c c\u00f9ng \u0111\u1ed9 \u0111\u00f2n b\u1ea9y hi\u1ec7u qu\u1ea3. B\u1ea1n ph\u1ea3i tr\u1ea3 l\u1ef1c \u0111\u1ec3 di chuy\u1ec3n khu\u00f4n tr\u00e1nh \u0111\u01b0\u1eddng tr\u01b0\u1edbc khi di chuy\u1ec3n kim lo\u1ea1i.<\/p>\n\n\n\n

V\u00e0 n\u0103ng l\u01b0\u1ee3ng l\u01b0u tr\u1eef \u0111\u00f3 kh\u00f4ng bi\u1ebfn m\u1ea5t. N\u00f3 \u0111\u1ea9y l\u1ea1i. Khi ch\u00e0y r\u00fat l\u00ean, pad b\u1eadt tr\u1edf l\u1ea1i, th\u00eam s\u1ef1 h\u1ed3i ph\u1ee5c \u0111\u00e0n h\u1ed3i ri\u00eang c\u1ee7a n\u00f3 v\u00e0o \u0111\u1ed9 h\u1ed3i c\u1ee7a t\u1ea5m. Gi\u1edd \u0111\u00e2y khu\u00f4n l\u00e0 m\u1ed9t c\u00e1i l\u00f2 xo t\u00edch c\u1ef1c trong h\u1ec7 th\u1ed1ng, kh\u00f4ng ph\u1ea3i m\u1ed9t gi\u00e1 \u0111\u1ee1 th\u1ee5 \u0111\u1ed9ng.<\/p>\n\n\n\n

Ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u1ea3m nh\u1eadn \u0111i\u1ec1u n\u00e0y nh\u01b0 s\u1ef1 kh\u00f4ng nh\u1ea5t qu\u00e1n. \u0110\u1ed9 d\u00e0y t\u0103ng 0,1 mm? Pad n\u00e9n nhi\u1ec1u h\u01a1n, thay \u0111\u1ed5i ph\u00e2n b\u1ed1 \u00e1p l\u1ef1c ti\u1ebfp x\u00fac. H\u01b0\u1edbng h\u1ea1t thay \u0111\u1ed5i \u0111\u1ed9 b\u1ec1n ch\u1ea3y? Pad bi\u1ebfn d\u1ea1ng \u0111\u1ec3 ph\u00f9 h\u1ee3p, l\u00e0m thay \u0111\u1ed5i v\u1ecb tr\u00ed tr\u1ee5c trung h\u00f2a. V\u1edbi th\u00e9p, bi\u1ebfn thi\u00ean ch\u1ee7 y\u1ebfu t\u1ed3n t\u1ea1i \u1edf t\u1ea5m. V\u1edbi urethane, bi\u1ebfn thi\u00ean t\u1ed3n t\u1ea1i \u1edf c\u1ea3 t\u1ea5m v\u00e0 khu\u00f4n.<\/p>\n\n\n\n

B\u1ea1n kh\u00f4ng c\u00f2n \u0111\u1ea5u v\u1edbi m\u1ed9t l\u00f2 xo n\u1eefa. B\u1ea1n \u0111ang \u0111\u1ea5u v\u1edbi hai l\u00f2 xo li\u00ean k\u1ebft v\u1edbi c\u00e1c m\u00f4 \u0111un v\u00e0 \u0111\u01b0\u1eddng cong tr\u1ec5 kh\u00e1c nhau. B\u1ea1n th\u1eadt s\u1ef1 ngh\u0129 b\u1ea3ng t\u1ea3i tr\u1ecdng c\u0169 c\u1ee7a b\u1ea1n v\u1eabn \u00e1p d\u1ee5ng sao?<\/p>\n\n\n\n

Th\u1ef1c t\u1ebf v\u1ec1 \u0111\u1ed9 h\u1ed3i: c\u00e1ch d\u1ee5ng c\u1ee5 \u0111\u00e0n h\u1ed3i bu\u1ed9c b\u1ea1n ph\u1ea3i ngh\u0129 l\u1ea1i v\u1ec1 u\u1ed1n qu\u00e1 g\u00f3c<\/h3>\n\n\n\n

\u0110\u00e2y l\u00e0 l\u00fac n\u00f3 tr\u1edf n\u00ean x\u1ea5u x\u00ed. Trong u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y b\u1eb1ng th\u00e9p, b\u1ea1n u\u1ed1n qu\u00e1 m\u1ed9t l\u01b0\u1ee3ng d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c\u2014v\u00ed d\u1ee5 2\u00b0 cho th\u00e9p m\u1ec1m \u0111\u00f3\u2014v\u00e0 xong. Khu\u00f4n kh\u00f4ng thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng gi\u1eefa c\u00e1c l\u1ea7n t\u00e1c \u0111\u1ed9ng. N\u1ebfu ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u trung th\u1ef1c, \u0111\u1ed9 sai l\u1ec7ch g\u00f3c c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 n\u1eb1m trong \u00b10,5\u00b0 sau khi \u0111i\u1ec1u ch\u1ec9nh.<\/p>\n\n\n\n

V\u1edbi urethane, m\u1ee9c u\u1ed1n qu\u00e1 b\u1ea1n c\u1ea7n g\u1eafn li\u1ec1n v\u1edbi l\u01b0\u1ee3ng pad n\u00e9n \u1edf l\u1ea7n t\u00e1c \u0111\u1ed9ng \u0111\u00f3. N\u00e9n nhi\u1ec1u h\u01a1n ngh\u0129a l\u00e0 l\u01b0u tr\u1eef nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng \u0111\u00e0n h\u1ed3i h\u01a1n. Nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng l\u01b0u tr\u1eef h\u01a1n ngh\u0129a l\u00e0 nhi\u1ec1u \u0111\u1ed9 b\u1eadt l\u1ea1i h\u01a1n khi c\u1ea7n \u00e9p n\u00e2ng l\u00ean. V\u00ec v\u1eady m\u1ee9c u\u1ed1n qu\u00e1 kh\u00f4ng ch\u1ec9 b\u00f9 cho \u0111\u1ed9 h\u1ed3i c\u1ee7a kim lo\u1ea1i; n\u00f3 b\u00f9 cho \u0111\u1ed9 h\u1ed3i c\u1ee7a d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

V\u00e0 n\u00e9n ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea3i.<\/p>\n\n\n\n

T\u1ea3i ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0y, \u0111\u1ed9 b\u1ec1n ch\u1ea3y, v\u00e0 c\u1ea3 nh\u1eefng bi\u1ebfn thi\u00ean nh\u1ecf v\u1ec1 \u0111\u1ed9 r\u1ed9ng kh\u1ea9u m\u1edf d\u1ecdc theo pad. V\u00ec urethane bi\u1ebfn d\u1ea1ng theo, n\u00f3 \u201cch\u1ecbu \u0111\u1ef1ng\u201d bi\u1ebfn thi\u00ean \u0111\u1ed9 d\u00e0y b\u1eb1ng c\u00e1ch bao quanh n\u00f3. Nghe th\u00ec c\u00f3 v\u1ebb d\u1ec5 ch\u1ecbu trong brochure. Th\u1ef1c t\u1ebf tr\u00ean s\u00e0n m\u00e1y, g\u00f3c u\u1ed1n tr\u00f4i d\u1ea1t m\u1ed7i l\u1ea7n thay cu\u1ed9n v\u00ec khu\u00f4n h\u1ea5p th\u1ee5 bi\u1ebfn thi\u00ean thay v\u00ec ch\u1ed1ng l\u1ea1i n\u00f3.<\/p>\n\n\n\n

H\u00e3y th\u1eed ch\u1ea1y m\u1ed9t g\u00f3c nh\u1ecdn 30\u00b0 acute. Trong th\u00e9p, b\u1ea1n ch\u1ecdn V \u0111\u00fang, x\u00e1c nh\u1eadn t\u1ea3i, v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e2u. Trong urethane, \u1ee9ng su\u1ea5t c\u1ee5c b\u1ed9 cao c\u00f3 th\u1ec3 v\u01b0\u1ee3t gi\u1edbi h\u1ea1n b\u1ec1n c\u1ee7a pad, l\u00e0m m\u00f2n nhanh h\u01a1n ho\u1eb7c bu\u1ed9c b\u1ea1n m\u1edf r\u1ed9ng V \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t. M\u1edf r\u1ed9ng V v\u00e0 b\u00e1n k\u00ednh b\u00ean trong t\u0103ng. Gi\u1edd \u0111\u00e2y b\u1ea3n v\u1ebd s\u1ea3n ph\u1ea9m l\u1ec7ch ngay tr\u01b0\u1edbc khi b\u1ea1n tranh lu\u1eadn v\u1ec1 g\u00f3c.<\/p>\n\n\n\n

V\u00ec v\u1eady khi ai \u0111\u00f3 n\u00f3i v\u1edbi b\u1ea1n r\u1eb1ng urethane ch\u1ec9 l\u00e0 gi\u1ea3i ph\u00e1p b\u1ec1 m\u1eb7t s\u1ea1ch h\u01a1n, h\u00e3y t\u1ef1 h\u1ecfi: b\u1ea1n c\u00f3 s\u1eb5n s\u00e0ng hi\u1ec7u ch\u1ec9nh u\u1ed1n qu\u00e1 cho m\u1ed9t khu\u00f4n thay \u0111\u1ed5i \u0111\u1ed9 c\u1ee9ng trong m\u1ed7i chu k\u1ef3 t\u1ea3i, hay b\u1ea1n \u0111\u00e3 tr\u00f4ng c\u1eady v\u00e0o h\u00ecnh h\u1ecdc c\u1ee9ng \u0111\u1ec3 l\u00e0m vi\u1ec7c \u0111\u00f3 cho b\u1ea1n?<\/p>\n\n\n\n

Thu\u1ebf t\u1ea3i tr\u1ecdng: T\u1ea1i sao n\u0103ng l\u1ef1c m\u00e1y \u00e9p c\u1ee7a b\u1ea1n \u0111\u1ed9t nhi\u00ean gi\u1ea3m<\/h2>\n\n\n\n

B\u1ea1n \u0111\u00e3 h\u1ecfi c\u00e1ch t\u00ednh l\u1ef1c \u00e9p v\u00e0 \u0111\u1ed9 u\u1ed1n b\u00f9 khi b\u1ea3n th\u00e2n khu\u00f4n di chuy\u1ec3n d\u01b0\u1edbi t\u1ea3i.<\/p>\n\n\n\n

B\u1eaft \u0111\u1ea7u v\u1edbi m\u1ed9t c\u00f4ng vi\u1ec7c th\u1ef1c t\u1ebf. Th\u00e9p m\u1ec1m 1 mm, khe V 6 mm, u\u1ed1n kh\u00ed 90\u00b0. V\u1edbi khu\u00f4n V b\u1eb1ng th\u00e9p, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n kho\u1ea3ng 8\u201310 t\u1ea5n m\u1ed7i m\u00e9t. M\u00e1y \u00e9p 100 t\u1ea5n c\u1ee7a b\u1ea1n x\u1eed l\u00fd d\u1ec5 d\u00e0ng. Gi\u1edd thay b\u1eb1ng mi\u1ebfng \u0111\u1ec7m V b\u1eb1ng urethane \u0111\u01b0\u1ee3c qu\u1ea3ng c\u00e1o l\u00e0 \u201cthay th\u1ebf tr\u1ef1c ti\u1ebfp.\u201d C\u00f9ng t\u1ea5m kim lo\u1ea1i. C\u00f9ng g\u00f3c u\u1ed1n. M\u00e1y t\u0103ng l\u00ean 35\u201345 t\u1ea5n tr\u01b0\u1edbc khi g\u00f3c u\u1ed1n b\u1eaft \u0111\u1ea7u \u0111\u00f3ng l\u1ea1i.<\/p>\n\n\n\n

Kh\u00f4ng c\u00f3 g\u00ec thay \u0111\u1ed5i trong kim lo\u1ea1i. 25\u201335 t\u1ea5n b\u1ed5 sung \u0111\u00e3 \u0111i v\u00e0o mi\u1ebfng \u0111\u1ec7m.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 \"thu\u1ebf l\u1ef1c \u00e9p\". B\u1ea1n kh\u00f4ng tr\u1ea3 n\u00f3 m\u1ed9t l\u1ea7n. B\u1ea1n tr\u1ea3 n\u00f3 \u1edf m\u1ed7i h\u00e0nh tr\u00ecnh, v\u00e0 n\u00f3 l\u1ea5y tr\u1ef1c ti\u1ebfp t\u1eeb c\u00f4ng su\u1ea5t kh\u1ea3 d\u1ee5ng c\u1ee7a m\u00e1y \u00e9p. N\u1ebfu thi\u1ebft l\u1eadp b\u1eb1ng th\u00e9p y\u00eau c\u1ea7u 40 t\u1ea5n, h\u00e3y mong \u0111\u1ee3i 55 \u0111\u1ebfn 80 t\u1ea5n v\u1edbi urethane tr\u01b0\u1edbc khi th\u1ea5y c\u00f9ng m\u1ed9t u\u1ed1n b\u1eaft \u0111\u1ea7u. N\u1ebfu m\u00e1y \u00e9p c\u1ee7a b\u1ea1n tr\u01b0\u1edbc \u0111\u00f3 ch\u1ea1y \u1edf c\u00f4ng su\u1ea5t 70%, b\u1ea1n v\u1eeba \u0111\u1ea9y n\u00f3 v\u00e0o v\u00f9ng \u0111\u1ecf. B\u1ea1n v\u1eabn g\u1ecdi \u0111\u00f3 l\u00e0 n\u00e2ng c\u1ea5p th\u1ea9m m\u1ef9?<\/p>\n\n\n\n

T\u00ednh to\u00e1n l\u1ef1c \u1ea9n c\u1ea7n thi\u1ebft \u0111\u1ec3 n\u00e9n mi\u1ebfng \u0111\u1ec7m urethane<\/h3>\n\n\n\n

H\u00e3y n\u00f3i v\u1ec1 c\u01a1 ch\u1ebf, kh\u00f4ng ph\u1ea3i ti\u1ebfp th\u1ecb.<\/p>\n\n\n\n

Urethane ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t l\u00f2 xo phi tuy\u1ebfn. \u1ede \u0111\u1ea7u h\u00e0nh tr\u00ecnh, m\u00f4-\u0111un c\u1ee7a n\u00f3 th\u1ea5p. Khi bi\u1ebfn d\u1ea1ng t\u0103ng, \u0111\u1ed9 c\u1ee9ng hi\u1ec7u qu\u1ea3 t\u0103ng m\u1ea1nh. \u0110i\u1ec1u \u0111\u00f3 ngh\u0129a l\u00e0 v\u00e0i milimet \u0111\u1ea7u c\u1ee7a h\u00e0nh tr\u00ecnh \u0111\u1ea7u \u00e9p ch\u1ee7 y\u1ebfu n\u00e9n polymer, kh\u00f4ng u\u1ed1n th\u00e9p. T\u1ea5m kim lo\u1ea1i kh\u00f4ng nh\u1eadn \u0111\u1ea7y \u0111\u1ee7 m\u00f4-men u\u1ed1n cho \u0111\u1ebfn khi mi\u1ebfng \u0111\u1ec7m \u0111\u01b0\u1ee3c n\u00e9n \u0111\u1ee7 \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng g\u1ea7n nh\u01b0 c\u1ee9ng.<\/p>\n\n\n\n

C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t th\u1eeba nh\u1eadn m\u1ed9t c\u00e1ch k\u00edn \u0111\u00e1o h\u1ec7 s\u1ed1 nh\u00e2n: 3\u00d7 l\u00e0 ph\u1ed5 bi\u1ebfn. Trong \u0111i\u1ec1u ki\u1ec7n khe V h\u1eb9p h\u01a1n, 4\u00d7 \u0111\u1ebfn 6\u00d7 kh\u00f4ng hi\u1ebfm. T\u00f4i \u0111\u00e3 th\u1ea5y m\u1ed9t c\u00f4ng vi\u1ec7c 60 t\u1ea5n v\u1edbi khu\u00f4n th\u00e9p v\u01b0\u1ee3t qu\u00e1 75 t\u1ea5n khi d\u00f9ng urethane c\u00f9ng tr\u00ean m\u00e1y. \u0110\u00f3 l\u00e0 h\u1ec7 s\u1ed1 nh\u00e2n 1,25\u00d7 trong tr\u01b0\u1eddng h\u1ee3p nh\u1eb9. Trong h\u00ecnh h\u1ecdc kh\u00edt h\u01a1n, t\u00f4i \u0111\u00e3 th\u1ea5y n\u00f3 ti\u1ebfn g\u1ea7n 2\u00d7 v\u00e0 h\u01a1n th\u1ebf n\u1eefa.<\/p>\n\n\n\n

T\u1ea1i sao?<\/p>\n\n\n\n

B\u1edfi v\u00ec mi\u1ebfng \u0111\u1ec7m ch\u1ed1ng l\u1ea1i s\u1ef1 n\u00e9n \u0111\u1ed3ng \u0111\u1ec1u. D\u01b0\u1edbi \u0111\u1ea7u ch\u00e0y, n\u00f3 k\u00e9o d\u00e0i theo ph\u01b0\u01a1ng ngang trong khi b\u1ecb \u00e9p theo ph\u01b0\u01a1ng d\u1ecdc. B\u1ea1n ph\u1ea3i v\u01b0\u1ee3t qua l\u1ef1c c\u1eaft b\u00ean trong polymer tr\u01b0\u1edbc khi \u0111\u1ecbnh h\u00ecnh t\u1ea5m kim lo\u1ea1i. L\u1ef1c b\u1ea1n t\u00ednh theo c\u00f4ng th\u1ee9c u\u1ed1n kh\u00ed ti\u00eau chu\u1ea9n ch\u1ec9 t\u00ednh \u0111\u1ebfn vi\u1ec7c l\u00e0m ch\u1ea3y kim lo\u1ea1i. Urethane th\u00eam m\u1ed9t \u0111\u01b0\u1eddng cong \u1ee9ng su\u1ea5t\u2013bi\u1ebfn d\u1ea1ng th\u1ee9 hai n\u1ed1i ti\u1ebfp.<\/p>\n\n\n\n

V\u00ec v\u1eady, t\u00ednh to\u00e1n th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n tr\u1edf th\u00e0nh:<\/p>\n\n\n\n

L\u1ef1c \u00e9p th\u00e9p \u00d7 h\u1ec7 s\u1ed1 nh\u00e2n urethane (1,3\u20132,0 b\u1ea3o th\u1ee7, 3,0+ trong khe V h\u1eb9p ho\u1eb7c urethane c\u00f3 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n) = l\u1ef1c \u00e9p m\u00e1y c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n

V\u00e0 \u0111\u00f3 l\u00e0 tr\u01b0\u1edbc khi b\u1ea1n t\u00ednh \u0111\u1ebfn t\u1ea3i l\u1ec7ch t\u00e2m. M\u00e1y \u00e9p 100 t\u1ea5n d\u00e0i 120 inch c\u00f3 th\u1ec3 b\u1ecb gi\u1edbi h\u1ea1n kho\u1ea3ng 1,3\u20131,4 t\u1ea5n m\u1ed7i inch d\u1ecdc theo \u0111\u01b0\u1eddng trung t\u00e2m. Urethane kh\u00f4ng t\u1ea3i \u0111\u1ec1u l\u00ean hai vai; n\u00f3 ph\u00e2n b\u1ed1 \u00e1p su\u1ea5t m\u1ed9t c\u00e1ch kh\u00f3 l\u01b0\u1eddng. C\u00e1c \u0111i\u1ec3m n\u00f3ng c\u1ee5c b\u1ed9 c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n \u0111\u01b0\u1eddng trung t\u00e2m ngay c\u1ea3 khi t\u1ed5ng l\u1ef1c \u00e9p c\u00f3 v\u1ebb \u201can to\u00e0n\u201d.\u201d<\/p>\n\n\n\n

B\u1ea1n ngh\u0129 m\u00e1y \u00e9p c\u1ee7a m\u00ecnh \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng 100 t\u1ea5n. N\u00f3 c\u00f3 \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng cho 100 t\u1ea5n ph\u00e2n b\u1ed1 qua m\u1ed9t kh\u1ed1i cao su b\u1ecb n\u00e9n hay kh\u00f4ng?<\/p>\n\n\n\n

H\u00ecnh ph\u1ea1t d\u1ecbch chuy\u1ec3n: bao nhi\u00eau c\u00f4ng su\u1ea5t c\u1ee7a m\u00e1y kh\u00f4ng th\u1ef1c s\u1ef1 \u0111\u1ebfn \u0111\u01b0\u1ee3c kim lo\u1ea1i<\/h3>\n\n\n\n

Quan s\u00e1t ch\u1ec9 b\u00e1o v\u1ecb tr\u00ed \u0111\u1ea7u \u00e9p trong l\u1ea7n s\u1ea3n xu\u1ea5t \u0111\u1ea7u ti\u00ean.<\/p>\n\n\n\n

V\u1edbi d\u1ee5ng c\u1ee5 th\u00e9p, thay \u0111\u1ed5i g\u00f3c u\u1ed1n theo d\u00f5i \u0111\u1ed9 s\u00e2u c\u1ee7a \u0111\u1ea7u \u00e9p g\u1ea7n nh\u01b0 ngay l\u1eadp t\u1ee9c. V\u1edbi urethane, b\u1ea1n c\u00f3 th\u1ec3 di chuy\u1ec3n 1\u20133 mm tr\u01b0\u1edbc khi g\u00f3c u\u1ed1n thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3. H\u00e0nh tr\u00ecnh \u0111\u00f3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng bi\u1ebfn d\u1ea1ng trong mi\u1ebfng \u0111\u1ec7m. M\u00e1y \u0111ang l\u00e0m vi\u1ec7c. T\u1ea5m kim lo\u1ea1i ch\u01b0a u\u1ed1n.<\/p>\n\n\n\n

H\u00e0nh tr\u00ecnh b\u1ecb m\u1ea5t \u0111\u00f3 l\u00e0 h\u00ecnh ph\u1ea1t d\u1ecbch chuy\u1ec3n.<\/p>\n\n\n\n

Tr\u00ean m\u00e1y \u00e9p th\u1ee7y l\u1ef1c, l\u1ef1c t\u0103ng theo \u0111\u1ed9 xuy\u00ean. N\u1ebfu 20% c\u1ee7a h\u00e0nh tr\u00ecnh ch\u1ec9 d\u00f9ng \u0111\u1ec3 n\u00e9n urethane, th\u00ec m\u1ed9t ph\u1ea7n \u0111\u01b0\u1eddng cong l\u1ef1c kh\u1ea3 d\u1ee5ng c\u1ee7a b\u1ea1n b\u1ecb ti\u00eau hao tr\u01b0\u1edbc khi u\u1ed1n hi\u1ec7u qu\u1ea3 b\u1eaft \u0111\u1ea7u. M\u00e1y \u00e9p c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea1t gi\u1edbi h\u1ea1n \u00e1p su\u1ea5t s\u1edbm h\u01a1n trong h\u00e0nh tr\u00ecnh, gi\u1edbi h\u1ea1n ph\u1ea7n c\u00f2n l\u1ea1i cho u\u1ed1n th\u1ef1c s\u1ef1.<\/p>\n\n\n\n

T\u1ec7 h\u01a1n, n\u0103ng l\u01b0\u1ee3ng \u0111\u00e3 l\u01b0u tr\u1eef \u0111\u00f3 quay tr\u1edf l\u1ea1i. Khi \u0111\u1ea7u \u00e9p r\u00fat l\u00ean, mi\u1ebfng \u0111\u1ec7m b\u1eadt tr\u1edf l\u1ea1i. B\u1ea1n \u0111ang tr\u1eeb l\u01b0\u1ee3ng h\u1ed3i l\u1ea1i c\u1ee7a mi\u1ebfng \u0111\u1ec7m kh\u1ecfi ph\u1ea7n \u0111i\u1ec1u ch\u1ec9nh g\u00f3c. C\u00e0ng n\u00e9n nhi\u1ec1u \u2014 ngh\u0129a l\u00e0 c\u00e0ng tr\u1ea3 nhi\u1ec1u l\u1ef1c \u2014 th\u00ec n\u00f3 c\u00e0ng \u0111\u1ea9y ng\u01b0\u1ee3c.<\/p>\n\n\n\n

V\u00ec v\u1eady, m\u1ed9t ph\u1ea7n c\u00f4ng su\u1ea5t \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng c\u1ee7a m\u00e1y kh\u00f4ng bao gi\u1edd \u0111\u1ebfn \u0111\u01b0\u1ee3c kim lo\u1ea1i m\u1ed9t c\u00e1ch h\u1eefu \u00edch. N\u00f3 b\u1ecb giam trong vi\u1ec7c n\u00e9n v\u00e0 gi\u1ea3i ph\u00f3ng polymer gi\u1ed1ng nh\u01b0 m\u1ed9t b\u1ed9 gi\u1ea3m x\u00f3c.<\/p>\n\n\n\n

N\u1ebfu phanh c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c g\u1ea7n gi\u1edbi h\u1ea1n v\u1edbi c\u00f4ng vi\u1ec7c th\u00e9p 3 mm d\u00e0i 10 foot, \u0111i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra khi 15\u201330% c\u1ee7a h\u00e0nh tr\u00ecnh v\u00e0 \u0111\u01b0\u1eddng cong l\u1ef1c b\u1ecb ti\u00eau hao do n\u00e9n \u0111\u1ec7m?<\/p>\n\n\n\n

Gi\u1edbi h\u1ea1n \u0111\u1ed9 d\u00e0y: \u0111i\u1ec3m ch\u00ednh x\u00e1c n\u01a1i m\u1ed9t mi\u1ebfng \u0111\u1ec7m linh ho\u1ea1t v\u1ec1 ch\u1ee9c n\u0103ng bi\u1ebfn th\u00e0nh m\u1ed9t kh\u1ed1i g\u1ea1ch r\u1eafn<\/h3>\n\n\n\n

B\u00e2y gi\u1edd l\u1ea5y th\u00e9p m\u1ec1m 4 mm. C\u00f9ng mi\u1ebfng \u0111\u1ec7m urethane \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 \u201c\u0111\u1ed9 d\u00e0y nh\u1eb9 \u0111\u1ebfn trung b\u00ecnh.\u201d B\u1ea1n b\u1eaft \u0111\u1ea7u u\u1ed1n. S\u1ee9c \u00e9p (tonnage) t\u0103ng nhanh\u2014nhanh h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi b\u1ea3ng th\u00e9p c\u1ee7a b\u1ea1n d\u1ef1 \u0111o\u00e1n. Mi\u1ebfng \u0111\u1ec7m \u0111ang ti\u1ebfn g\u1ea7n gi\u1edbi h\u1ea1n n\u00e9n c\u1ee7a n\u00f3. C\u00e1c t\u1ebf b\u00e0o c\u1ee7a n\u00f3 \u0111ang s\u1ee5p \u0111\u1ed5. N\u00f3 ng\u1eebng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t khu\u00f4n m\u1ec1m m\u1ea1i v\u00e0 b\u1eaft \u0111\u1ea7u gi\u1ed1ng nh\u01b0 m\u1ed9t kh\u1ed1i \u0111\u1eb7c.<\/p>\n\n\n\n

\u1ede th\u1eddi \u0111i\u1ec3m \u0111\u00f3, hai \u0111i\u1ec1u x\u1ea3y ra.<\/p>\n\n\n\n

Th\u1ee9 nh\u1ea5t, h\u1ec7 s\u1ed1 nh\u00e2n b\u00f9ng n\u1ed5. \u0110i\u1ec1u v\u1ed1n l\u00e0 1.5\u00d7 \u1edf \u0111\u1ed9 d\u00e0y 1 mm tr\u1edf th\u00e0nh 2\u00d7 ho\u1eb7c 3\u00d7 khi b\u1ea1n ti\u1ebfn g\u1ea7n gi\u1edbi h\u1ea1n bi\u1ebfn d\u1ea1ng c\u1ee7a mi\u1ebfng \u0111\u1ec7m. Th\u1ee9 hai, \u00e1p l\u1ef1c ti\u1ebfp x\u00fac b\u1ecb t\u1eadp trung. Thay v\u00ec ph\u00e2n b\u1ed5 l\u1ef1c nh\u1eb9 nh\u00e0ng, urethane b\u00e1n n\u00e9n truy\u1ec1n l\u1ef1c tr\u1ef1c ti\u1ebfp h\u01a1n, v\u00e0 gi\u1ea3i ph\u00e1p \u201ckh\u00f4ng x\u01b0\u1edbc\u201d c\u1ee7a b\u1ea1n b\u1eaft \u0111\u1ea7u in d\u1ea5u n\u1ebfu c\u00f3 m\u1ea3nh v\u1ee5n ho\u1eb7c t\u1ea1p ch\u1ea5t c\u1ee9ng.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 gi\u1edbi h\u1ea1n \u0111\u1ed9 d\u00e0y th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n. Kh\u00f4ng ph\u1ea3i m\u1ee9c \u201ct\u1edbi 6 mm\u201d trong t\u1edd gi\u1edbi thi\u1ec7u. Gi\u1edbi h\u1ea1n th\u1ef1c l\u00e0 n\u01a1i m\u1ee9c n\u00e9n c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t g\u00f3c ti\u1ebfn g\u1ea7n gi\u1edbi h\u1ea1n \u0111\u00e0n h\u1ed3i c\u1ee7a mi\u1ebfng \u0111\u1ec7m. V\u01b0\u1ee3t qua \u0111\u00f3, b\u1ea1n th\u1ef1c t\u1ebf \u0111ang \u00e9p ch\u1eb7t m\u1ed9t kh\u1ed1i cao su b\u1eb1ng m\u00e1y \u00e9p th\u1ee7y l\u1ef1c.<\/p>\n\n\n\n

Thanh ch\u1ed1ng cong v\u00e0 mi\u1ebfng \u0111\u1ec7m t\u00f9y ch\u1ec9nh c\u00f3 th\u1ec3 n\u00e2ng gi\u1edbi h\u1ea1n \u0111\u00f3 l\u00ean. B\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 c\u1ee9ng (durometer) v\u00e0 \u0111\u1ed9 d\u00e0y \u0111\u1ec3 gi\u1ea3m h\u1ec7 s\u1ed1 cho m\u1ed9t c\u00f4ng vi\u1ec7c c\u1ee5 th\u1ec3. Nh\u01b0ng \u0111\u00f3 l\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng xoay quanh \u201cthu\u1ebf\u201d ch\u1ee9 kh\u00f4ng lo\u1ea1i b\u1ecf n\u00f3.<\/p>\n\n\n\n

V\u00ec v\u1eady tr\u01b0\u1edbc khi b\u1ea1n ch\u1ecdn urethane cho t\u1ea5m inox 5 mm ch\u1ec9 v\u00ec \u0111\u01a1n h\u00e0ng ghi \u201ckh\u00f4ng \u0111\u1ec3 l\u1ea1i v\u1ebft d\u1ee5ng c\u1ee5\u201d v\u00e0 \u0111\u00f3 l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c, h\u00e3y tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi n\u00e0y: m\u00e1y \u00e9p c\u1ee7a b\u1ea1n c\u00f3 d\u01b0 ra 30\u201380% s\u1ee9c \u00e9p \u0111\u1ec3 tr\u1ea3 \u201cthu\u1ebf\u201d m\u00e0 kh\u00f4ng ngh\u1eb9t c\u1ee9ng \u1edf c\u00f4ng vi\u1ec7c ti\u1ebfp theo trong l\u1ecbch s\u1ea3n xu\u1ea5t kh\u00f4ng?<\/p>\n\n\n\n

\u0110\u01b0\u1eddng cong suy gi\u1ea3m: \u0110\u00e1nh \u0111\u1ed5i kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc \u0111\u1ec3 b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t<\/h2>\n\n\n\n

B\u1ea1n mu\u1ed1n bi\u1ebft tr\u01b0\u1edbc khi setup r\u1eb1ng c\u00f4ng vi\u1ec7c v\u00e0 m\u00e1y \u00e9p c\u00f3 \u0111\u1ee7 d\u01b0 l\u1ef1c th\u1ef1c t\u1ebf cho urethane hay kh\u00f4ng.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 c\u00e1ch t\u00f4i ki\u1ec3m tra t\u1ea1i x\u01b0\u1edfng. T\u00f4i l\u1ea5y s\u1ee9c \u00e9p kh\u00f4ng ch\u1ea1m th\u00e9p t\u1eeb b\u1ea3ng, nh\u00e2n n\u00f3 v\u1edbi 1.5 nh\u01b0 m\u1ed9t h\u1ec7 s\u1ed1 urethane th\u1eadn tr\u1ecdng, r\u1ed3i nh\u00ecn v\u00e0o hai con s\u1ed1: s\u1ee9c \u00e9p m\u00e1y \u1edf chi\u1ec1u d\u00e0i l\u00e0m vi\u1ec7c, v\u00e0 dung sai c\u1ee7a chi ti\u1ebft. N\u1ebfu s\u1ee9c \u00e9p sau khi nh\u00e2n \u0111\u1ea9y phanh v\u01b0\u1ee3t qu\u00e1 80% c\u1ee7a c\u00f4ng su\u1ea5t theo \u0111\u01b0\u1eddng t\u00e2m, v\u00e0 b\u1ea3n v\u1ebd y\u00eau c\u1ea7u \u00b10.5\u00b0 ho\u1eb7c ch\u1eb7t h\u01a1n, t\u00f4i \u0111\u00e3 bi\u1ebft ch\u00fang ta \u0111ang l\u00e0m vi\u1ec7c m\u00e0 kh\u00f4ng c\u00f3 \u0111\u1ec7m an to\u00e0n. \u0110\u00f3 l\u00e0 tr\u01b0\u1edbc khi n\u00f3i v\u1ec1 hao m\u00f2n.<\/p>\n\n\n\n

B\u1edfi v\u00ec v\u1ea5n \u0111\u1ec1 th\u1ef1c kh\u00f4ng ch\u1ec9 l\u00e0 l\u1ef1c c\u1ef1c \u0111\u1ea1i. M\u00e0 c\u00f2n l\u00e0 vi\u1ec7c khu\u00f4n \u0111\u00e0n h\u1ed3i bi\u1ebfn m\u1ed9t b\u00e0i to\u00e1n h\u00ecnh h\u1ecdc c\u1ee9ng th\u00e0nh m\u1ee5c ti\u00eau di chuy\u1ec3n theo th\u1eddi gian.<\/p>\n\n\n\n

Khu\u00f4n th\u00e9p cho b\u1ea1n thay \u0111\u1ed5i d\u1ea1ng b\u1eadc: l\u00e0m s\u1ee9t ch\u00fang th\u00ec b\u1ea1n s\u1ebd th\u1ea5y ngay l\u1eadp t\u1ee9c. Urethane cho b\u1ea1n thay \u0111\u1ed5i d\u1ea1ng theo \u0111\u1ed9 d\u1ed1c. B\u1ea1n m\u1ea5t m\u1ed9t ph\u1ea7n m\u01b0\u1eddi \u1edf \u0111\u00e2y, hai ph\u1ea7n m\u01b0\u1eddi \u1edf kia, cho \u0111\u1ebfn khi b\u1ea3ng ki\u1ec3m tra c\u1ee7a b\u1ea1n \u00e2m th\u1ea7m chuy\u1ec3n sang m\u00e0u \u0111\u1ecf. C\u1ea3 pallet b\u1ecb t\u1eeb ch\u1ed1i. B\u1ea1n kh\u00f4ng thay \u0111\u1ed5i ch\u01b0\u01a1ng tr\u00ecnh. Mi\u1ebfng \u0111\u1ec7m thay \u0111\u1ed5i ngay d\u01b0\u1edbi b\u1ea1n.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 \u0111\u01b0\u1eddng cong suy gi\u1ea3m m\u00e0 b\u1ea1n \u0111ang ch\u1ea5p nh\u1eadn.<\/p>\n\n\n\n

C\u00e1ch \u0111\u1ed9 b\u1eadt l\u1ea1i c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 s\u1ef1 n\u00e9n khu\u00f4n c\u1ed9ng d\u1ed3n \u0111\u1ec3 l\u00e0m h\u1ecfng \u0111\u1ed9 ch\u00ednh x\u00e1c g\u00f3c<\/h3>\n\n\n\n

H\u00e3y h\u00ecnh dung m\u1ed9t gi\u00e1 \u0111\u1ee1 inox 304 d\u00e0y 3 mm, h\u00ecnh h\u1ecdc t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 8\u00d7V, u\u1ed1n 90\u00b0, dung sai \u00b10.5\u00b0. Trong khu\u00f4n th\u00e9p, b\u1ea1n c\u00f3 th\u1ec3 u\u1ed1n v\u01b0\u1ee3t 1.5\u20132\u00b0 \u0111\u1ec3 b\u00f9 cho \u0111\u1ed9 b\u1eadt l\u1ea1i c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 \u0111i\u1ec1u ch\u1ec9nh n\u00f3 sau hai l\u1ea7n \u00e9p. M\u1ed9t khi \u0111\u00e3 thi\u1ebft l\u1eadp, s\u1ef1 thay \u0111\u1ed5i g\u00f3c \u0103n kh\u1edbp v\u1edbi \u0111\u1ed9 s\u00e2u h\u00e0nh tr\u00ecnh v\u00ec khu\u00f4n kh\u00f4ng di chuy\u1ec3n.<\/p>\n\n\n\n

B\u00e2y gi\u1edd \u0111\u1eb7t m\u1ed9t mi\u1ebfng \u0111\u1ec7m urethane 90A d\u01b0\u1edbi n\u00f3.<\/p>\n\n\n\n

\u0110\u1ea7u ti\u00ean, mi\u1ebfng \u0111\u1ec7m n\u00e9n 1\u20133 mm tr\u01b0\u1edbc khi t\u1ea5m th\u00e9p ch\u1ecbu \u0111\u1ee7 m\u00f4-men u\u1ed1n. Sau \u0111\u00f3 t\u1ea5m th\u00e9p ch\u1ea3y d\u1ebbo. R\u1ed3i, khi r\u00fat, t\u1ea5m th\u00e9p b\u1eadt l\u1ea1i. V\u00e0 mi\u1ebfng \u0111\u1ec7m c\u0169ng b\u1eadt l\u1ea1i. Hai h\u1ec7 \u0111\u00e0n h\u1ed3i n\u1ed1i ti\u1ebfp nhau.<\/p>\n\n\n\n

N\u1ebfu inox mu\u1ed1n ph\u1ee5c h\u1ed3i 1.8\u00b0, v\u00e0 \u0111\u1ed9 b\u1eadt l\u1ea1i c\u1ee7a mi\u1ebfng \u0111\u1ec7m l\u00e0m gi\u1ea3m th\u00eam m\u1ed9t ph\u1ea7n \u0111\u1ed9 t\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c b\u1ea1n \u0111\u00e3 n\u00e9n n\u00f3, th\u00ec s\u1ed1 b\u00f9 c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f2n g\u1eafn v\u1edbi kim lo\u1ea1i n\u1eefa. N\u00f3 g\u1eafn v\u1edbi bi\u1ebfn d\u1ea1ng c\u1ee7a mi\u1ebfng \u0111\u1ec7m. Thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y l\u00f4 h\u00e0ng 0.1 mm v\u00e0 b\u1ea1n thay \u0111\u1ed5i \u0111\u1ed9 n\u00e9n \u0111\u1ec7m. Thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u1ee7a \u0111\u1ec7m trong m\u1ed9t lo\u1ea1t d\u00e0i v\u00e0 b\u1ea1n thay \u0111\u1ed5i m\u00f4-\u0111un. Kh\u1ed1i b\u1eadt l\u1ea1i thay \u0111\u1ed5i.<\/p>\n\n\n\n

M\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p s\u1ebd n\u00f3i v\u1edbi b\u1ea1n r\u1eb1ng urethane \u201cgi\u1ea3m sai s\u1ed1 b\u1eadt l\u1ea1i.\u201d Trong v\u1eadt li\u1ec7u m\u1ecfng, m\u1ec1m v\u1edbi \u0111\u1ed9 xuy\u00ean h\u1eb9p, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u00fang v\u00ec mi\u1ebfng \u0111\u1ec7m duy tr\u00ec ti\u1ebfp x\u00fac r\u1ed9ng h\u01a1n v\u00e0 \u1ed5n \u0111\u1ecbnh b\u00e1n k\u00ednh. T\u00f4i \u0111\u00e3 th\u1ea5y n\u00f3 h\u1eefu \u00edch tr\u00ean nh\u00f4m s\u01a1n 1 mm khi khu\u00f4n th\u00e9p V qu\u00e1 r\u1ed9ng v\u00e0 b\u00e1n k\u00ednh b\u1ecb dao \u0111\u1ed9ng.<\/p>\n\n\n\n

Nh\u01b0ng khi \u0111\u1ea9y v\u00e0o v\u1eadt li\u1ec7u c\u1ee9ng h\u01a1n, \u0111\u1ed9 xuy\u00ean s\u00e2u cao h\u01a1n ho\u1eb7c g\u00f3c h\u1eb9p h\u01a1n, th\u00ec \u0111\u1ed9 c\u1ee9ng bi\u1ebfn thi\u00ean c\u1ee7a mi\u1ebfng \u0111\u1ec7m tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 chi ph\u1ed1i. Tr\u1ecdng l\u01b0\u1ee3ng c\u00e0ng nhi\u1ec1u b\u1ea1n b\u1ecf ra, c\u00e0ng nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c t\u00edch tr\u1eef, v\u00e0 l\u1ef1c b\u1eadt l\u1ea1i c\u00e0ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn g\u00f3c cu\u1ed1i c\u00f9ng. B\u1ea1n kh\u00f4ng ch\u1ec9 \u0111ang b\u00f9 tr\u1eeb cho kim lo\u1ea1i n\u1eefa; b\u1ea1n \u0111ang b\u00f9 tr\u1eeb cho s\u1ef1 m\u1ecfi c\u1ee7a polymer t\u0103ng d\u1ea7n sau m\u1ed7i chu k\u1ef3.<\/p>\n\n\n\n

B\u1ea1n c\u00f3 s\u1eb5n s\u00e0ng coi khu\u00f4n c\u1ee7a m\u00ecnh nh\u01b0 m\u1ed9t l\u00f2 xo ti\u00eau hao v\u1edbi h\u1eb1ng s\u1ed1 l\u1ef1c thay \u0111\u1ed5i, c\u00f3 hay kh\u00f4ng?<\/p>\n\n\n\n

M\u1ebb v\u1ee1 nghi\u00eam tr\u1ecdng so v\u1edbi m\u1ecfi v\u00f4 h\u00ecnh: theo d\u00f5i s\u1ef1 suy gi\u1ea3m \u0111\u1ed9 ch\u00ednh x\u00e1c sau 10.000 chu k\u1ef3<\/h3>\n\n\n\n

M\u1ebb m\u1ed9t vai khu\u00f4n th\u00e9p h\u00ecnh V v\u00e0 b\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t \u0111\u01b0\u1eddng tr\u00ean s\u1ea3n ph\u1ea9m \u1edf l\u1ea7n d\u1eadp k\u1ebf ti\u1ebfp. N\u00f3 hai tr\u1ea1ng th\u00e1i. T\u1ed1t. R\u1ed3i x\u1ea5u.<\/p>\n\n\n\n

Urethane kh\u00f4ng h\u1ecfng theo c\u00e1ch \u0111\u00f3.<\/p>\n\n\n\n

H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t l\u01b0\u1ee3t ch\u1ea1y gi\u1ea3 \u0111\u1ecbnh: 5.000 khung c\u1eeda t\u1ee7 b\u1eb1ng inox \u0111\u01b0\u1ee3c ch\u1ea3i s\u1eb5n, dung sai \u00b10,7\u00b0, ch\u1ea1y v\u1edbi t\u1ed1c \u0111\u1ed9 60 nh\u1ecbp m\u1ed7i gi\u1edd. Ng\u00e0y \u0111\u1ea7u, b\u1ea1n ch\u1ec9nh m\u00e1y \u1edf 91,6\u00b0 \u0111\u1ec3 \u0111\u01b0\u1ee3c 90,0\u00b0 ho\u00e0n thi\u1ec7n. \u0110\u1ebfn s\u1ea3n ph\u1ea9m s\u1ed1 2.000, b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh l\u00ean 91,8\u00b0. \u0110\u1ebfn s\u1ea3n ph\u1ea9m s\u1ed1 4.000, 92,1\u00b0. Kh\u00f4ng ai lo l\u1eafng v\u00ec m\u1ed7i l\u1ea7n ch\u1ec9nh \u0111\u1ec1u nh\u1ecf. Nh\u01b0ng mi\u1ebfng \u0111\u1ec7m \u0111\u00e3 b\u1ecb bi\u1ebfn d\u1ea1ng n\u00e9n \u2013 bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n do ch\u1ecbu t\u1ea3i l\u1eb7p l\u1ea1i. Chi\u1ec1u cao v\u00e0 \u0111\u1ed9 c\u1ee9ng hi\u1ec7u qu\u1ea3 c\u1ee7a n\u00f3 \u0111\u00e3 thay \u0111\u1ed5i.<\/p>\n\n\n\n

B\u1ea1n s\u1ebd kh\u00f4ng t\u00ecm th\u1ea5y m\u1ed9t \u0111\u01b0\u1eddng cong \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 g\u1ecdn g\u00e0ng ghi r\u1eb1ng \u201curethane m\u1ea5t X% \u0111\u1ed9 c\u1ee9ng sau 10.000 chu k\u1ef3.\u201d \u0110\u00f3 ch\u00ednh l\u00e0 v\u1ea5n \u0111\u1ec1. S\u1ef1 m\u1ecfi ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea3i, \u0111\u1ed9 c\u1ee9ng (durometer), v\u00e0 nhi\u1ec7t \u0111\u1ed9. Mi\u1ebfng \u0111\u1ec7m c\u1ee9ng h\u01a1n ch\u1ed1ng \u0111\u1ec3 l\u1ea1i v\u1ebft nh\u01b0ng ch\u1ecbu \u00e1p l\u1ef1c b\u00ean trong cao h\u01a1n. Mi\u1ebfng m\u1ec1m h\u01a1n b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t nh\u01b0ng n\u00e9n s\u00e2u h\u01a1n v\u00e0 n\u00f3ng nhanh h\u01a1n.<\/p>\n\n\n\n

T\u00f4i t\u1eebng th\u1ea5y m\u1ed9t t\u1ea5m ph\u1ee7 inox $40 b\u1ecb b\u1ecf ph\u1ebf v\u00ec hai v\u1ec7t b\u00f3ng m\u00e0 kh\u00f4ng h\u1ec1 thay \u0111\u1ed5i \u0111\u1ed9 b\u1ec1n, g\u00f3c, hay \u0111\u1ed9 l\u1eafp kh\u00edt. B\u1ec1 m\u1eb7t l\u00e0 lu\u1eadt. Nh\u01b0ng t\u00f4i c\u0169ng \u0111\u00e3 th\u1ea5y s\u1ef1 tr\u00f4i g\u00f3c g\u00e2y m\u1ea5t m\u1ed9t bu\u1ed5i s\u00e1ng s\u1ea3n xu\u1ea5t v\u00ec mi\u1ebfng \u0111\u1ec7m \u201c\u1ed5n \u0111\u1ecbnh\u201d \u1edf s\u1ea3n ph\u1ea9m 1 kh\u00f4ng c\u00f2n l\u00e0 c\u00f9ng c\u00f4ng c\u1ee5 \u1edf s\u1ea3n ph\u1ea9m 3.000.<\/p>\n\n\n\n

V\u1edbi th\u00e9p, bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t nh\u1ea3y l\u00ean khi c\u00f3 g\u00ec \u0111\u00f3 g\u00e3y. V\u1edbi urethane, n\u00f3 d\u1ed1c xu\u1ed1ng. B\u1ea1n c\u00f3 SPC \u0111\u1ee7 ch\u1eb7t \u0111\u1ec3 th\u1ea5y s\u1ef1 tr\u00f4i 0,2\u00b0 tr\u01b0\u1edbc khi kh\u00e1ch h\u00e0ng ph\u00e1t hi\u1ec7n kh\u00f4ng?<\/p>\n\n\n\n

Ch\u1ee7 \u0111\u1ec1<\/th>Chi ti\u1ebft<\/th><\/tr><\/thead>
Ti\u00eau \u0111\u1ec1<\/td>M\u1ebb v\u1ee1 nghi\u00eam tr\u1ecdng so v\u1edbi m\u1ecfi v\u00f4 h\u00ecnh: theo d\u00f5i s\u1ef1 suy gi\u1ea3m \u0111\u1ed9 ch\u00ednh x\u00e1c sau 10.000 chu k\u1ef3<\/strong><\/td><\/tr>
Ch\u1ebf \u0111\u1ed9 h\u1ecfng c\u1ee7a th\u00e9p<\/td>M\u1ebb m\u1ed9t vai khu\u00f4n th\u00e9p h\u00ecnh V v\u00e0 b\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t \u0111\u01b0\u1eddng tr\u00ean s\u1ea3n ph\u1ea9m \u1edf l\u1ea7n d\u1eadp k\u1ebf ti\u1ebfp. N\u00f3 hai tr\u1ea1ng th\u00e1i. T\u1ed1t. R\u1ed3i x\u1ea5u.<\/td><\/tr>
Ch\u1ebf \u0111\u1ed9 h\u1ecfng c\u1ee7a urethane<\/td>Urethane kh\u00f4ng h\u1ecfng theo c\u00e1ch \u0111\u00f3.<\/td><\/tr>
L\u01b0\u1ee3t s\u1ea3n xu\u1ea5t gi\u1ea3 \u0111\u1ecbnh<\/td>H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t l\u01b0\u1ee3t ch\u1ea1y gi\u1ea3 \u0111\u1ecbnh: 5.000 khung c\u1eeda t\u1ee7 b\u1eb1ng inox \u0111\u01b0\u1ee3c ch\u1ea3i s\u1eb5n, dung sai \u00b10,7\u00b0, ch\u1ea1y v\u1edbi t\u1ed1c \u0111\u1ed9 60 nh\u1ecbp m\u1ed7i gi\u1edd. Ng\u00e0y \u0111\u1ea7u, b\u1ea1n ch\u1ec9nh m\u00e1y \u1edf 91,6\u00b0 \u0111\u1ec3 \u0111\u01b0\u1ee3c 90,0\u00b0 ho\u00e0n thi\u1ec7n. \u0110\u1ebfn s\u1ea3n ph\u1ea9m s\u1ed1 2.000, b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh l\u00ean 91,8\u00b0. \u0110\u1ebfn s\u1ea3n ph\u1ea9m s\u1ed1 4.000, 92,1\u00b0. Kh\u00f4ng ai lo l\u1eafng v\u00ec m\u1ed7i l\u1ea7n ch\u1ec9nh \u0111\u1ec1u nh\u1ecf. Nh\u01b0ng mi\u1ebfng \u0111\u1ec7m \u0111\u00e3 b\u1ecb bi\u1ebfn d\u1ea1ng n\u00e9n \u2013 bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n do ch\u1ecbu t\u1ea3i l\u1eb7p l\u1ea1i. Chi\u1ec1u cao v\u00e0 \u0111\u1ed9 c\u1ee9ng hi\u1ec7u qu\u1ea3 c\u1ee7a n\u00f3 \u0111\u00e3 thay \u0111\u1ed5i.<\/td><\/tr>
Thi\u1ebfu d\u1eef li\u1ec7u m\u1ecfi d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c<\/td>B\u1ea1n s\u1ebd kh\u00f4ng t\u00ecm th\u1ea5y m\u1ed9t \u0111\u01b0\u1eddng cong \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 g\u1ecdn g\u00e0ng ghi r\u1eb1ng \u201curethane m\u1ea5t X% \u0111\u1ed9 c\u1ee9ng sau 10.000 chu k\u1ef3.\u201d \u0110\u00f3 ch\u00ednh l\u00e0 v\u1ea5n \u0111\u1ec1. S\u1ef1 m\u1ecfi ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea3i, \u0111\u1ed9 c\u1ee9ng (durometer), v\u00e0 nhi\u1ec7t \u0111\u1ed9. Mi\u1ebfng \u0111\u1ec7m c\u1ee9ng h\u01a1n ch\u1ed1ng \u0111\u1ec3 l\u1ea1i v\u1ebft nh\u01b0ng ch\u1ecbu \u00e1p l\u1ef1c b\u00ean trong cao h\u01a1n. Mi\u1ebfng m\u1ec1m h\u01a1n b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t nh\u01b0ng n\u00e9n s\u00e2u h\u01a1n v\u00e0 n\u00f3ng nhanh h\u01a1n.<\/td><\/tr>
H\u1ec7 qu\u1ea3 th\u1ef1c t\u1ebf<\/td>T\u00f4i t\u1eebng th\u1ea5y m\u1ed9t t\u1ea5m ph\u1ee7 inox $40 b\u1ecb b\u1ecf ph\u1ebf v\u00ec hai v\u1ec7t b\u00f3ng m\u00e0 kh\u00f4ng h\u1ec1 thay \u0111\u1ed5i \u0111\u1ed9 b\u1ec1n, g\u00f3c, hay \u0111\u1ed9 l\u1eafp kh\u00edt. B\u1ec1 m\u1eb7t l\u00e0 lu\u1eadt. Nh\u01b0ng t\u00f4i c\u0169ng \u0111\u00e3 th\u1ea5y s\u1ef1 tr\u00f4i g\u00f3c g\u00e2y m\u1ea5t m\u1ed9t bu\u1ed5i s\u00e1ng s\u1ea3n xu\u1ea5t v\u00ec mi\u1ebfng \u0111\u1ec7m \u201c\u1ed5n \u0111\u1ecbnh\u201d \u1edf s\u1ea3n ph\u1ea9m 1 kh\u00f4ng c\u00f2n l\u00e0 c\u00f9ng c\u00f4ng c\u1ee5 \u1edf s\u1ea3n ph\u1ea9m 3.000.<\/td><\/tr>
SPC v\u00e0 s\u1ef1 tr\u00f4i<\/td>V\u1edbi th\u00e9p, bi\u1ec3u \u0111\u1ed3 ki\u1ec3m so\u00e1t nh\u1ea3y l\u00ean khi c\u00f3 g\u00ec \u0111\u00f3 g\u00e3y. V\u1edbi urethane, n\u00f3 d\u1ed1c xu\u1ed1ng. B\u1ea1n c\u00f3 SPC \u0111\u1ee7 ch\u1eb7t \u0111\u1ec3 th\u1ea5y s\u1ef1 tr\u00f4i 0,2\u00b0 tr\u01b0\u1edbc khi kh\u00e1ch h\u00e0ng ph\u00e1t hi\u1ec7n kh\u00f4ng?<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

C\u00e2u chuy\u1ec7n chi ph\u00ed th\u1ef1c s\u1ef1: t\u1ea7n su\u1ea5t thay th\u1ebf so v\u1edbi ti\u1ebft ki\u1ec7m chi ph\u00ed d\u1ee5ng c\u1ee5 ban \u0111\u1ea7u<\/h3>\n\n\n\n

M\u1ed9t mi\u1ebfng \u0111\u1ec7m urethane c\u00f3 th\u1ec3 c\u00f3 gi\u00e1 th\u1ea5p h\u01a1n ban \u0111\u1ea7u so v\u1edbi m\u1ed9t b\u1ed9 khu\u00f4n V \u0111\u01b0\u1ee3c m\u00e0i ch\u00ednh x\u00e1c. \u0110\u00f3 l\u00e0 d\u00f2ng ti\u00eau \u0111\u1ec1 tr\u00ean t\u1edd qu\u1ea3ng c\u00e1o.<\/p>\n\n\n\n

Gi\u1edd h\u00e3y t\u00ednh to\u00e1n nh\u01b0 m\u1ed9t x\u01b0\u1edfng l\u00e0m. Gi\u1ea3 s\u1eed m\u1ed9t b\u1ed9 khu\u00f4n th\u00e9p ch\u1ea1y \u0111\u01b0\u1ee3c 100.000 l\u1ea7n tr\u01b0\u1edbc khi m\u00e0i l\u1ea1i, v\u00e0 g\u00f3c lu\u00f4n trong \u00b10,3\u00b0 v\u1edbi \u0111i\u1ec1u ch\u1ec9nh t\u1ed1i thi\u1ec3u. Mi\u1ebfng \u0111\u1ec7m urethane c\u1ee7a b\u1ea1n, v\u1edbi c\u00f4ng vi\u1ec7c inox t\u1ea3i trung b\u00ecnh, b\u1eaft \u0111\u1ea7u c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh b\u00f9 g\u00f3c m\u1ed7i v\u00e0i ngh\u00ecn l\u1ea7n v\u00e0 tr\u1edf n\u00ean kh\u00f4ng \u0111\u00e1ng tin v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0o kho\u1ea3ng 15.000\u201320.000 l\u1ea7n. T\u00f4i kh\u00f4ng \u0111\u01b0a ra con s\u1ed1 ph\u1ed5 qu\u00e1t \u2013 v\u00ec kh\u00f4ng c\u00f3 \u2013 nh\u01b0ng kho\u1ea3ng \u0111\u00f3 kh\u00f4ng ph\u1ea3i t\u01b0\u1edfng t\u01b0\u1ee3ng trong c\u00e1c x\u01b0\u1edfng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

M\u1ed7i mi\u1ebfng \u0111\u1ec7m thay th\u1ebf l\u00e0 m\u1ed9t \u0111\u01a1n \u0111\u1eb7t h\u00e0ng m\u1edbi. M\u1ed7i l\u1ea7n t\u00e1i x\u00e1c nh\u1eadn gi\u1eefa s\u1ea3n xu\u1ea5t l\u00e0 th\u1eddi gian c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh. M\u1ed7i s\u1ef1 tr\u00f4i g\u00f3c l\u00e0 c\u00f4ng lao ki\u1ec3m tra v\u00e0 kh\u1ea3 n\u0103ng ph\u1ebf ph\u1ea9m. V\u00e0 h\u00e3y nh\u1edb thu\u1ebf t\u1ea3i tr\u1ecdng: n\u1ebfu b\u1ea1n \u0111ang v\u1eadn h\u00e0nh \u1edf m\u1ee9c 85\u201390 % c\u00f4ng su\u1ea5t m\u00e1y ngay t\u1eeb \u0111\u1ea7u, b\u1ea1n \u0111ang t\u0103ng t\u1ed1c \u0111\u1ed9 m\u00f2n c\u1ee7a ch\u00ednh m\u00e1y phanh \u2013 h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c, h\u1ec7 th\u1ed1ng crowning, d\u1eabn h\u01b0\u1edbng tr\u1ee5c.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 chi ph\u00ed l\u1eb7p l\u1ea1i, kh\u00f4ng ph\u1ea3i l\u1ef1a ch\u1ecdn d\u1ee5ng c\u1ee5 m\u1ed9t l\u1ea7n.<\/p>\n\n\n\n

N\u1ebfu c\u00f4ng vi\u1ec7c y\u00eau c\u1ea7u t\u00ednh th\u1ea9m m\u1ef9 cao, kh\u1ed1i l\u01b0\u1ee3ng th\u1ea5p v\u00e0 n\u1eb1m trong ph\u1ea1m vi n\u0103ng l\u1ef1c th\u1ef1c s\u1ef1 c\u1ee7a m\u00e1y b\u1ea1n, th\u00ec urethane c\u00f3 th\u1ec3 l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p. S\u1ef1 ho\u00e0n h\u1ea3o b\u1ec1 m\u1eb7t \u0111\u1ed5i l\u1ea5y chi ph\u00ed ti\u00eau hao d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c. T\u1ed1t.<\/p>\n\n\n\n

Nh\u01b0ng n\u1ebfu b\u1ea1n \u0111ang g\u1ea7n gi\u1edbi h\u1ea1n l\u1ef1c \u00e9p, gi\u1eef g\u00f3c ch\u1eb7t v\u00e0 l\u00ean k\u1ebf ho\u1ea1ch cho c\u00e1c \u0111\u1ee3t s\u1ea3n xu\u1ea5t d\u00e0i, b\u1ea1n kh\u00f4ng mua gi\u1ea3i ph\u00e1p ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc. B\u1ea1n \u0111ang ch\u1ea5p nh\u1eadn th\u00eam t\u1ea3i l\u1ef1c, tr\u00f4i g\u00f3c v\u00e0 chu k\u1ef3 thay th\u1ebf m\u00e0 b\u1ea1n ph\u1ea3i t\u00ednh v\u00e0o ng\u00e2n s\u00e1ch nh\u01b0 d\u1ea7u c\u1eaft.<\/p>\n\n\n\n

V\u1eady khi b\u1ea1n \u0111\u1ecbnh gi\u00e1 c\u00f4ng vi\u1ec7c, b\u1ea1n c\u00f3 t\u00ednh \u0111\u1ebfn mi\u1ebfng \u0111\u1ec7m nh\u01b0 m\u1ed9t v\u1eadt li\u1ec7u hao m\u00f2n v\u1edbi \u0111\u1ed9 c\u1ee9ng gi\u1ea3m d\u1ea7n, hay v\u1eabn gi\u1ea3 v\u1edd n\u00f3 ch\u1ec9 l\u00e0 m\u1ed9t V-die m\u1ec1m?<\/p>\n\n\n\n

Gi\u1ea3i ph\u00e1p trung gian: Li\u1ec7u m\u00e0ng urethane c\u00f3 l\u00e0m cho mi\u1ebfng \u0111\u1ec7m c\u1ee9ng tr\u1edf n\u00ean l\u1ed7i th\u1eddi?<\/h2>\n\n\n\n

C\u00e2u h\u1ecfi th\u1ef1c s\u1ef1 l\u00e0: n\u1ebfu urethane l\u00e0 m\u1ed9t l\u00f2 xo ti\u00eau hao v\u1edbi \u201cthu\u1ebf\u201d l\u1ef1c \u00e9p k\u00e8m theo, li\u1ec7u c\u00f3 c\u00e1ch r\u1ebb h\u01a1n \u0111\u1ec3 lo\u1ea1i b\u1ecf v\u1ebft tr\u1ea7y m\u00e0 kh\u00f4ng ph\u1ea3i vi\u1ebft l\u1ea1i bi\u1ec3u \u0111\u1ed3 n\u0103ng l\u1ef1c c\u1ee7a b\u1ea1n?<\/p>\n\n\n\n

B\u1eaft \u0111\u1ea7u v\u1edbi gi\u1edbi h\u1ea1n. Dao th\u00e9p t\u1ea1o v\u1ebft v\u00ec th\u00e9p c\u1ee9ng h\u01a1n chi ti\u1ebft c\u1ee7a b\u1ea1n, v\u00e0 m\u1ecdi l\u1edbp g\u1ec9, ba via hay m\u00f2n vai \u0111\u1ec1u truy\u1ec1n v\u00e0o b\u1ec1 m\u1eb7t khi ch\u1ecbu t\u1ea3i. \u00c1p l\u1ef1c ti\u1ebfp x\u00fac \u0111\u00f3 l\u00e0 th\u1eadt. V\u1edbi khe V h\u1eb9p, b\u1ea1n t\u1eadp trung l\u1ef1c v\u00e0o hai \u0111\u01b0\u1eddng. Nh\u01b0ng b\u1ea3n th\u00e2n dao kh\u00f4ng di chuy\u1ec3n. Kh\u00f4ng b\u1ecb l\u00fan n\u00e9n. Kh\u00f4ng tr\u00f4i m\u00f4-\u0111un. H\u00ecnh h\u1ecdc gi\u1eef nguy\u00ean.<\/p>\n\n\n\n

Gi\u1edd h\u00e3y \u0111\u1eb7t m\u1ed9t l\u1edbp m\u00e0ng hy sinh l\u00ean th\u00e9p \u2014 b\u0103ng polyurethane, Mylar, b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec nh\u00e0 cung c\u1ea5p b\u00e1n cho b\u1ea1n d\u1ea1ng cu\u1ed9n.<\/p>\n\n\n\n

B\u1ea1n \u0111\u00e3 ch\u00e8n v\u00e0o m\u1ed9t b\u1ed9 \u0111\u1ec7m m\u1ecfng, thay th\u1ebf \u0111\u01b0\u1ee3c m\u00e0 kh\u00f4ng bi\u1ebfn to\u00e0n b\u1ed9 d\u1ee5ng c\u1ee5 d\u01b0\u1edbi th\u00e0nh mi\u1ebfng x\u1ed1p.<\/p>\n\n\n\n

M\u00e0ng bi\u1ebfn d\u1ea1ng v\u00e0i ph\u1ea7n m\u01b0\u1eddi milimet. N\u00f3 ph\u00e2n t\u00e1n ti\u1ebfp x\u00fac nh\u1eb9. N\u00f3 h\u1ea5p th\u1ee5 v\u1ebft in t\u1eeb m\u1ea3nh v\u1ee5n nh\u1ecf. Nh\u01b0ng \u0111\u01b0\u1eddng truy\u1ec1n t\u1ea3i l\u1ef1c v\u1eabn l\u00e0 th\u00e9p\u2013ram\u2013khung. Bi\u1ec3u \u0111\u1ed3 l\u1ef1c \u00e9p c\u1ee7a b\u1ea1n kh\u00f4ng thay \u0111\u1ed5i. T\u00ednh to\u00e1n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 u\u1ed1n kh\u00f4ng thay \u0111\u1ed5i. B\u00f9 g\u00f3c v\u1eabn theo \u0111\u1ed9 b\u1eadt l\u1ea1i c\u1ee7a kim lo\u1ea1i, kh\u00f4ng ph\u1ea3i \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a polymer.<\/p>\n\n\n\n

\u0110i\u1ec1u \u0111\u00f3 quan tr\u1ecdng.<\/p>\n\n\n\n

N\u1ebfu m\u1ed9t d\u1ea3i m\u00e0ng $20 lo\u1ea1i b\u1ecf 80% v\u1ebft tr\u1ea7y v\u00e0 kh\u00f4ng t\u1ed1n th\u00eam l\u1ef1c \u00e9p, th\u00ec b\u1ea1n kh\u00f4ng ch\u1ec9 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 th\u1ea9m m\u1ef9 \u2014 b\u1ea1n \u0111\u00e3 tr\u00e1nh \u0111\u01b0\u1ee3c \u201cthu\u1ebf\u201d l\u1eb7p l\u1ea1i c\u1ee7a s\u1ef1 n\u00e9n, tr\u00f4i v\u00e0 thay th\u1ebf mi\u1ebfng \u0111\u1ec7m. M\u00e0ng hao m\u00f2n? B\u1ea1n b\u00f3c n\u00f3 ra. Dao b\u00ean d\u01b0\u1edbi kh\u00f4ng \u0111\u1ed5i chi\u1ec1u cao, \u0111\u1ed9 c\u1ee9ng hay \u0111\u1ed9 nh\u1edb h\u00ecnh d\u1ea1ng.<\/p>\n\n\n\n

V\u1eady n\u00ean, kh\u00f4ng, m\u00e0ng kh\u00f4ng l\u00e0m urethane l\u1ed7i th\u1eddi.<\/p>\n\n\n\n

Nh\u01b0ng n\u00f3 bu\u1ed9c b\u1ea1n ph\u1ea3i l\u00fd gi\u1ea3i v\u00ec sao b\u1ea1n tr\u1ea3 ti\u1ec1n cho kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u1ea7y tuy\u1ec7t \u0111\u1ed1i 100% thay v\u00ec 80%.<\/p>\n\n\n\n

So s\u00e1nh ma s\u00e1t khi thi\u1ebft l\u1eadp: d\u00e1n b\u0103ng v\u00e0o dao th\u00e9p vs. \u0111i\u1ec1u ch\u1ec9nh kh\u1ed1i urethane<\/h3>\n\n\n\n

H\u00e3y n\u00f3i v\u1ec1 \u0111i\u1ec1u th\u1ef1c s\u1ef1 t\u1ed1n th\u1eddi gian tr\u00ean s\u00e0n s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n

D\u00e1n b\u0103ng v\u00e0o dao th\u1eadt phi\u1ec1n. B\u1ea1n l\u00e0m s\u1ea1ch vai dao, d\u00e1n th\u1eb3ng d\u1ea3i b\u0103ng, c\u1eaft m\u00e9p, ch\u1ea1y th\u1eed, v\u00e0 xem c\u00f3 b\u1ecb nh\u0103n kh\u00f4ng. V\u1edbi m\u1ed9t l\u00f4 h\u00e0ng ng\u1eafn \u2014 kho\u1ea3ng 200 t\u1ea5m th\u1ea9m m\u1ef9 \u2014 \u0111\u00f3 l\u00e0 th\u00eam 10 ph\u00fat. C\u00f3 th\u1ec3 15 ph\u00fat n\u1ebfu c\u00f4ng nh\u00e2n m\u1edbi. Khi b\u0103ng b\u1ecb h\u1ecfng, b\u1ea1n d\u00e1n l\u1ea1i. \u0110\u00e2y l\u00e0 c\u00f4ng vi\u1ec7c t\u1ec9 m\u1ec9.<\/p>\n\n\n\n

Nh\u01b0ng g\u00f3c u\u1ed1n \u0111\u1ea7u ti\u00ean b\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u1eabn l\u00e0 g\u00f3c b\u1ea1n lu\u00f4n \u0111\u1ea1t.<\/p>\n\n\n\n

\u0110i\u1ec1u ch\u1ec9nh kh\u1ed1i urethane l\u00e0 m\u1ed9t c\u00e2u chuy\u1ec7n kh\u00e1c. B\u1ea1n kh\u00f4ng ch\u1ec9 b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t; b\u1ea1n c\u00f2n thi\u1ebft l\u1eadp m\u1ed9t m\u1ed1i quan h\u1ec7 t\u1ea3i\u2013\u0111\u1ed9 v\u00f5ng m\u1edbi. C\u00e1c l\u1ea7n u\u1ed1n \u0111\u1ea7u ti\u00ean m\u1ec1m h\u01a1n b\u1ea1n ngh\u0129. B\u1ea1n t\u0103ng \u0111\u1ed9 \u00e9p xu\u1ed1ng. Mi\u1ebfng \u0111\u1ec7m n\u00e9n nhi\u1ec1u h\u01a1n d\u1ef1 \u0111o\u00e1n. Gi\u1edd b\u1ea1n ph\u1ea3i \u0111u\u1ed5i theo g\u00f3c v\u00ec c\u1ea3 kim lo\u1ea1i v\u00e0 mi\u1ebfng \u0111\u1ec7m \u0111\u1ec1u h\u1ed3i ph\u1ee5c. V\u1edbi v\u1eadt li\u1ec7u d\u00e0y h\u01a1n, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y c\u1ea7n l\u1ef1c cao h\u01a1n 20\u201330% so v\u1edbi thi\u1ebft l\u1eadp th\u00e9p V t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, t\u00f9y v\u00e0o \u0111\u1ed9 s\u00e2u b\u1ea1n \u00e9p v\u00e0o mi\u1ebfng \u0111\u1ec7m.<\/p>\n\n\n\n

\u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 l\u1eddi qu\u1ea3ng c\u00e1o. \u0110\u00f3 l\u00e0 \u00e1p su\u1ea5t xi-lanh.<\/p>\n\n\n\n

V\u00e0 n\u1ebfu b\u1ea1n \u0111ang tr\u00ean m\u00e1y \u00e9p 100 t\u1ea5n m\u00e0 \u0111\u00e3 ch\u1ea1y \u1edf 75\u201380 t\u1ea5n v\u1edbi th\u00e9p, b\u1ea1n kh\u00f4ng c\u00f2n 30% d\u1ef1 ph\u00f2ng. B\u1ea1n \u0111ang vay t\u1eeb bi\u00ean an to\u00e0n. T\u1eeb gio\u0103ng. T\u1eeb c\u00e1c d\u1eabn h\u01b0\u1edbng.<\/p>\n\n\n\n

V\u1eady b\u1ea1n th\u00edch lo\u1ea1i ma s\u00e1t thi\u1ebft l\u1eadp n\u00e0o h\u01a1n: m\u01b0\u1eddi ph\u00fat v\u1edbi m\u1ed9t cu\u1ed9n b\u0103ng keo, hay n\u1eeda gi\u1edd thay \u0111\u1ed5i \u0111\u1ed9 s\u00e2u l\u1eb7p \u0111i l\u1eb7p l\u1ea1i c\u1ed9ng th\u00eam m\u1ed9t t\u1ed5n th\u1ea5t v\u0129nh vi\u1ec5n v\u1ec1 s\u1ee9c \u00e9p kh\u1ea3 d\u1ee5ng?<\/p>\n\n\n\n

Tr\u1ea3 l\u1eddi \u0111i\u1ec1u \u0111\u00f3 v\u1edbi t\u1ea5m b\u1ea3ng t\u00ean c\u1ee7a m\u00e1y b\u1ea1n trong t\u00e2m tr\u00ed.<\/p>\n\n\n\n

N\u1ebfu th\u00e9p c\u00f3 l\u1edbp film b\u1ea3o v\u1ec7 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c 80% v\u1ea5n \u0111\u1ec1 v\u1ec1 th\u1ea9m m\u1ef9, th\u00ec 100% kh\u00f4ng tr\u1ea7y x\u01b0\u1edbc c\u00f3 \u0111\u00e1ng \u0111\u1ec3 tr\u1ea3 \u201cthu\u1ebf\u201d s\u1ee9c \u00e9p kh\u00f4ng?<\/h3>\n\n\n\n

\u0110\u00e2y l\u00e0 l\u00fac t\u1edd brochure tr\u1edf n\u00ean im l\u1eb7ng.<\/p>\n\n\n\n

B\u1edfi v\u00ec \u0111\u00f4i khi 80% kh\u00f4ng \u0111\u1ee7 t\u1ed1t. T\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn c\u1ea3 m\u1ed9t pallet b\u1ecb t\u1eeb ch\u1ed1i ch\u1ec9 v\u00ec nh\u1eefng \u0111\u01b0\u1eddng khu\u00f4n m\u1edd nh\u1ea1t m\u00e0 b\u1ea1n ph\u1ea3i nghi\u00eang d\u01b0\u1edbi \u00e1nh s\u00e1ng m\u1edbi th\u1ea5y. Nh\u01b0ng \u0111\u01a1n \u0111\u1eb7t h\u00e0ng ghi \u201ckh\u00f4ng c\u00f3 d\u1ea5u v\u1ebft d\u1ee5ng c\u1ee5 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c\u201d, v\u00e0 \u0111\u00f3 l\u00e0 lu\u1eadt. Trong th\u1ebf gi\u1edbi \u1ea5y \u2014 th\u00e9p kh\u00f4ng g\u1ec9 ki\u1ebfn tr\u00fac, b\u1ec1 m\u1eb7t thi\u1ebft b\u1ecb, t\u1ea5m ho\u00e0n thi\u1ec7n s\u1eb5n \u2014 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u201ch\u1ea7u nh\u01b0 s\u1ea1ch\u201d v\u00e0 \u201cs\u1ea1ch nh\u01b0 ph\u1eabu thu\u1eadt\u201d ch\u00ednh l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u01b0\u1ee3c tr\u1ea3 ti\u1ec1n v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c tr\u1ea3 ti\u1ec1n.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 l\u00fac urethane ph\u00e1t huy gi\u00e1 tr\u1ecb.<\/p>\n\n\n\n

Kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t th\u1ea5p. Bi\u00ean \u0111\u1ed9 c\u00f4ng su\u1ea5t r\u1ed9ng. G\u00f3c v\u1eeba ph\u1ea3i. V\u1eadt li\u1ec7u m\u00e0 n\u1ebfu kh\u00f4ng s\u1ebd ph\u01a1i b\u00e0y m\u1ecdi khuy\u1ebft \u0111i\u1ec3m \u1edf vai khu\u00f4n. C\u00e1c c\u00f4ng vi\u1ec7c m\u00e0 b\u1ec1 m\u1eb7t l\u00e0 vua theo h\u1ee3p \u0111\u1ed3ng v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 coi t\u1ea5m \u0111\u1ec7m nh\u01b0 v\u1eadt ti\u00eau hao, t\u00ednh v\u00e0o ng\u00e2n s\u00e1ch cho m\u1ed7i l\u1ea7n ch\u1ea1y.<\/p>\n\n\n\n

Nh\u01b0ng n\u1ebfu b\u1ea1n \u0111ang u\u1ed1n th\u00e9p kh\u00f4ng g\u1ec9 3 mm \u1edf \u00b10,5\u00b0 tr\u00ean 5.000 s\u1ea3n ph\u1ea9m v\u00e0 \u0111\u00e3 qu\u1ea3n l\u00fd s\u1ef1 tr\u00f4i l\u1ec7ch tr\u00ean th\u00e9p, th\u00eam m\u1ed9t l\u1edbp \u0111\u00e0n h\u1ed3i d\u01b0\u1edbi chi ti\u1ebft kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1ec9nh s\u1eeda th\u1ea9m m\u1ef9. \u0110\u00f3 l\u00e0 thay \u0111\u1ed5i c\u1ea5u tr\u00fac cho quy tr\u00ecnh c\u1ee7a b\u1ea1n. B\u1ea1n s\u1ebd ph\u1ea3i tr\u1ea3 v\u1ec1 chi ph\u00ed l\u1ef1c, gi\u00e1m s\u00e1t g\u00f3c, v\u00e0 t\u1ea7n su\u1ea5t thay th\u1ebf.<\/p>\n\n\n\n

V\u00ec v\u1eady \u0111\u00e2y l\u00e0 c\u00e1ch \u0111\u00f3ng khung v\u1ea5n \u0111\u1ec1 m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng.<\/p>\n\n\n\n

Film tr\u00ean th\u00e9p: s\u1ef1 phi\u1ec1n to\u00e1i nh\u1ecf l\u1eb7p l\u1ea1i, thay \u0111\u1ed5i v\u1eadt l\u00fd t\u1ed1i thi\u1ec3u, gi\u1ea3m th\u1ea9m m\u1ef9 m\u1ed9t ph\u1ea7n.<\/p>\n\n\n\n

T\u1ea5m urethane \u0111\u1eb7c: b\u1ea3o v\u1ec7 th\u1ea9m m\u1ef9 g\u1ea7n nh\u01b0 ho\u00e0n to\u00e0n, c\u1ed9ng th\u00eam \u201cthu\u1ebf\u201d tonnage c\u1ed1 \u0111\u1ecbnh v\u00e0 l\u00f2 xo suy gi\u1ea3m d\u01b0\u1edbi m\u1ed7i c\u00fa ch\u1ea1m.<\/p>\n\n\n\n

N\u1ebfu c\u00f4ng vi\u1ec7c th\u1ef1c s\u1ef1 y\u00eau c\u1ea7u kh\u00f4ng c\u00f3 d\u1ea5u v\u1ebft nh\u00ecn th\u1ea5y v\u00e0 m\u00e1y c\u1ee7a b\u1ea1n c\u00f3 30% c\u00f4ng su\u1ea5t nh\u00e0n r\u1ed7i, urethane l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00fang. N\u1ebfu b\u1ea1n \u0111ang \u1edf g\u1ea7n gi\u1edbi h\u1ea1n tonnage ho\u1eb7c gi\u1eef dung sai g\u00f3c ch\u1eb7t ch\u1ebd tr\u00ean c\u00e1c lo\u1ea1t d\u00e0i, th\u00e9p c\u1ed9ng film c\u00f3 th\u1ec3 l\u00e0 s\u1ef1 th\u1ecfa hi\u1ec7p th\u00f4ng minh h\u01a1n.<\/p>\n\n\n\n

B\u1ea1n \u0111ang mua b\u1ea3o hi\u1ec3m b\u1ec1 m\u1eb7t \u2014 hay \u0111ang vi\u1ebft l\u1ea1i v\u1eadt l\u00fd quy tr\u00ecnh \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 m\u00e0 b\u0103ng keo c\u00f3 th\u1ec3 x\u1eed l\u00fd?<\/p>\n\n\n\n

B\u00e0i ki\u1ec3m tra th\u1ef1c t\u1ebf t\u1ea1i x\u01b0\u1edfng: Khi n\u00e0o n\u00ean cam k\u1ebft v\u00e0 khi n\u00e0o n\u00ean t\u1eeb b\u1ecf<\/h2>\n\n\n\n

Gi\u1edbi h\u1ea1n r\u1ea5t \u0111\u01a1n gi\u1ea3n: m\u00e1y \u00e9p c\u1ee7a b\u1ea1n c\u00f3 b\u1ea3ng t\u00ean, v\u00e0 n\u00f3 kh\u00f4ng quan t\u00e2m \u0111\u1ebfn brochure.<\/p>\n\n\n\n

Tr\u01b0\u1edbc khi cam k\u1ebft d\u00f9ng urethane, h\u00e3y t\u00ednh th\u1eed b\u1eb1ng b\u00fat ch\u00ec. L\u1ea5y tonnage thi\u1ebft l\u1eadp tr\u00ean th\u00e9p b\u1ea1n \u0111\u00e3 bi\u1ebft cho c\u00f4ng vi\u1ec7c \u2014 kh\u00f4ng ph\u1ea3i gi\u00e1 tr\u1ecb tr\u00ean bi\u1ec3u \u0111\u1ed3, m\u00e0 l\u00e0 con s\u1ed1 b\u1ea1n th\u1ef1c s\u1ef1 th\u1ea5y tr\u00ean m\u00e0n h\u00ecnh \u1edf \u0111\u1ed9 s\u00e2u. Nh\u00e2n n\u00f3 v\u1edbi 1,25 nh\u01b0 m\u1ed9t \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u th\u1eadn tr\u1ecdng. N\u1ebfu b\u1ea1n \u0111ang u\u1ed1n g\u1ea7n gi\u1edbi h\u1ea1n l\u00e0m vi\u1ec7c c\u1ee7a t\u1ea5m \u0111\u1ec7m ho\u1eb7c theo \u0111u\u1ed5i g\u00f3c s\u1eafc, d\u00f9ng 1,30. \u0110\u00f3 l\u00e0 \u01b0\u1edbc t\u00ednh \u201cthu\u1ebf\u201d tonnage c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

Gi\u1edd nh\u00ecn v\u00e0o m\u00e1y b\u1ea1n. N\u1ebfu con s\u1ed1 m\u1edbi \u0111\u1ea9y b\u1ea1n v\u01b0\u1ee3t qu\u00e1 80% c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c, b\u1ea1n kh\u00f4ng mua b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t \u2014 b\u1ea1n \u0111ang ti\u00eau hao bi\u00ean an to\u00e0n, tu\u1ed5i th\u1ecd ph\u1edbt v\u00e0 bi\u1ebfn d\u1ea1ng khung. N\u1ebfu n\u00f3 gi\u1eef b\u1ea1n d\u01b0\u1edbi 70% v\u1edbi ch\u1ed7 cho c\u00e1c c\u00fa ch\u1ec9nh, b\u1ea1n \u00edt nh\u1ea5t v\u1eabn c\u00f3 d\u01b0 \u0111\u1ecba c\u01a1 h\u1ecdc.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 c\u1ed5ng \u0111\u1ea7u ti\u00ean. C\u00f4ng su\u1ea5t.<\/p>\n\n\n\n

C\u1ed5ng th\u1ee9 hai l\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh g\u00f3c. T\u1ef1 h\u1ecfi: dung sai g\u00f3c tr\u00ean b\u1ea3n v\u1ebd l\u00e0 bao nhi\u00eau, v\u00e0 c\u00f3 bao nhi\u00eau chi ti\u1ebft trong lo\u1ea1t? N\u1ebfu b\u1ea1n gi\u1eef \u00b11,5\u00b0 tr\u00ean 300 n\u1eafp th\u1ea9m m\u1ef9, b\u1ea1n c\u00f3 th\u1ec3 theo d\u00f5i n\u00f3. N\u1ebfu b\u1ea1n gi\u1eef \u00b10,5\u00b0 tr\u00ean 5.000 chi ti\u1ebft, b\u1ea1n v\u1eeba k\u00fd cam k\u1ebft chi\u1ebfn \u0111\u1ea5u v\u1edbi m\u1ed9t l\u00f2 xo di \u0111\u1ed9ng su\u1ed1t ba ca.<\/p>\n\n\n\n

V\u00ec v\u1eady b\u00e0i ki\u1ec3m tra litmus kh\u00f4ng ph\u1ea3i l\u00e0 \u201curethane c\u00f3 ng\u0103n tr\u1ea7y x\u01b0\u1edbc kh\u00f4ng?\u201d M\u00e0 l\u00e0 th\u1ebf n\u00e0y: sau khi c\u1ed9ng th\u00eam 25\u201330% v\u00e0o tonnage th\u1ef1c v\u00e0 ch\u1ea5p nh\u1eadn s\u1ef1 tr\u00f4i \u0111\u00e0n h\u1ed3i, b\u1ea1n v\u1eabn c\u00f2n d\u01b0 \u0111\u1ecba c\u00f4ng su\u1ea5t v\u00e0 dung sai g\u00f3c \u2014 c\u00f3 hay kh\u00f4ng?<\/p>\n\n\n\n

Thang b\u1eadc \u201cTh\u1ea9m m\u1ef9 vs. Sai s\u1ed1\u201d: ch\u1ec9 s\u1ed1 n\u00e0o th\u1eafng khi b\u1ea1n kh\u00f4ng th\u1ec3 c\u00f3 c\u1ea3 hai?<\/h3>\n\n\n\n

B\u1ea1n kh\u00f4ng th\u1ec3 ph\u1ee5c v\u1ee5 hai \u201c\u00f4ng ch\u1ee7\u201d khi m\u1ed9t trong s\u1ed1 \u0111\u00f3 di chuy\u1ec3n d\u01b0\u1edbi t\u1ea3i.<\/p>\n\n\n\n

Th\u00e9p cho b\u1ea1n h\u00ecnh d\u1ea1ng h\u00ecnh h\u1ecdc. B\u00e1n k\u00ednh b\u00ean trong theo d\u00f5i \u0111\u1ed9 m\u1edf V \u2014 kho\u1ea3ng 16\u201317 ph\u1ea7n tr\u0103m \u0111\u1ed9 m\u1edf trong th\u00e9p m\u1ec1m \u2014 v\u00e0 m\u1ed9t khi b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u, n\u00f3 l\u1eb7p l\u1ea1i. Urethane cho b\u1ea1n s\u1ef1 linh ho\u1ea1t v\u1ec1 ti\u1ebfp x\u00fac, nh\u01b0ng b\u00e1n k\u00ednh \u0111\u01b0\u1ee3c t\u1ea1o ra m\u1ed9t ph\u1ea7n t\u1eeb s\u1ef1 d\u1ecbch chuy\u1ec3n c\u1ee7a t\u1ea5m \u0111\u1ec7m, kh\u00f4ng ch\u1ec9 t\u1eeb h\u00ecnh h\u1ecdc V. Thay \u0111\u1ed5i \u0111\u1ed9 xuy\u00ean v\u00e0i ph\u1ea7n m\u01b0\u1eddi, v\u00e0 b\u1ea1n thay \u0111\u1ed5i c\u1ea3 g\u00f3c l\u1eabn b\u00e1n k\u00ednh hi\u1ec7u d\u1ee5ng.<\/p>\n\n\n\n

\u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 khi th\u1ea9m m\u1ef9 v\u00e0 sai s\u1ed1 va ch\u1ea1m, b\u1ea1n ph\u1ea3i x\u1ebfp h\u1ea1ng ch\u00fang.<\/p>\n\n\n\n

T\u00f4i \u0111\u00e3 th\u1ea5y c\u1ea3 m\u1ed9t pallet b\u1ecb t\u1eeb ch\u1ed1i ch\u1ec9 v\u00ec nh\u1eefng \u0111\u01b0\u1eddng ch\u1ebft m\u1edd m\u00e0 b\u1ea1n ph\u1ea3i nghi\u00eang d\u01b0\u1edbi \u00e1nh s\u00e1ng m\u1edbi th\u1ea5y. Nh\u01b0ng \u0111\u01a1n mua h\u00e0ng ghi \u201ckh\u00f4ng c\u00f3 d\u1ea5u d\u1ee5ng c\u1ee5 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c\u201d, v\u00e0 \u0111\u00f3 l\u00e0 lu\u1eadt. Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3, \u00b11\u00b0 l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c, v\u00e0 b\u1ec1 m\u1eb7t tr\u1ea3 \u0111\u01b0\u1ee3c h\u00f3a \u0111\u01a1n. Th\u1ea9m m\u1ef9 th\u1eafng.<\/p>\n\n\n\n

\u0110\u1ea3o ng\u01b0\u1ee3c t\u00ecnh hu\u1ed1ng. V\u1ecf k\u00edn, \u00b10.5\u00b0, l\u1eafp v\u00e0o khung c\u1eaft laser. Kh\u00f4ng ai quan t\u00e2m \u0111\u1ebfn m\u1ed9t \u0111\u01b0\u1eddng ch\u1ee9ng m\u1edd b\u00ean trong ch\u1ed7 cong. S\u1ef1 v\u1eeba v\u1eb7n l\u00e0 t\u1ed1i th\u01b0\u1ee3ng. Trong th\u1ee9 t\u1ef1 \u01b0u ti\u00ean \u0111\u00f3, sai s\u1ed1 th\u1eafng, v\u00e0 urethane tr\u1edf th\u00e0nh b\u1ea5t l\u1ee3i v\u00ec \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a n\u00f3 ch\u1ed1ng l\u1ea1i \u0111\u1ed9 ch\u00ednh x\u00e1c g\u00f3c.<\/p>\n\n\n\n

V\u1eady khi ch\u00fang m\u00e2u thu\u1eabn \u2014 v\u00e0 s\u1ebd nh\u01b0 v\u1eady \u2014 c\u00e1i n\u00e0o gi\u00fap b\u1ea1n \u0111\u01b0\u1ee3c tr\u1ea3 ti\u1ec1n?<\/p>\n\n\n\n

N\u01a1i urethane th\u1ef1c s\u1ef1 th\u1eafng: v\u1eadt li\u1ec7u m\u1ecfng, \u0111\u00e3 ho\u00e0n thi\u1ec7n tr\u01b0\u1edbc, trong c\u00e1c \u0111\u1ee3t s\u1ea3n xu\u1ea5t nh\u1ea1y c\u1ea3m v\u1ec1 th\u1ea9m m\u1ef9<\/h3>\n\n\n\n

Gi\u1edbi h\u1ea1n \u1edf \u0111\u00e2y l\u00e0 tu\u1ed5i th\u1ecd t\u1ea5m \u0111\u1ec7m.<\/p>\n\n\n\n

Urethane l\u00e0 m\u1ed9t l\u00f2 xo ti\u00eau hao. M\u1ed7i l\u1ea7n \u00e9p n\u00e9n n\u00f3, l\u00e0m n\u00f3ng n\u00f3, v\u00e0 \u0111\u01b0a n\u00f3 d\u1ea7n \u0111\u1ebfn t\u00ecnh tr\u1ea1ng b\u1ecb bi\u1ebfn d\u1ea1ng n\u00e9n. V\u1edbi nh\u00f4m \u0111\u00e3 s\u01a1n s\u1eb5n ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9 #4 m\u1ecfng d\u01b0\u1edbi 2 mm, \u201cthu\u1ebf\u201d tr\u1ecdng t\u1ea3i d\u1ec5 ch\u1ecbu v\u00ec l\u1ef1c c\u01a1 b\u1ea3n \u0111\u00e3 th\u1ea5p t\u1eeb \u0111\u1ea7u. Th\u00eam 25% v\u00e0o m\u1ed9t con s\u1ed1 nh\u1ecf, v\u00e0 m\u00e1y \u00e9p c\u1ee7a b\u1ea1n g\u1ea7n nh\u01b0 kh\u00f4ng nh\u1eadn ra.<\/p>\n\n\n\n

Trong c\u00e1c \u0111\u1ee3t s\u1ea3n xu\u1ea5t ng\u1eafn, \u0111\u00f2i h\u1ecfi th\u1ea9m m\u1ef9 \u2014 100, 300, c\u00f3 th\u1ec3 800 chi ti\u1ebft \u2014 b\u1ea1n c\u00f3 th\u1ec3 coi t\u1ea5m \u0111\u1ec7m nh\u01b0 m\u1ed9t m\u1ee5c trong ng\u00e2n s\u00e1ch. D\u1ef1 tr\u00f9. Thay khi n\u00f3 m\u1ec1m. Ki\u1ec3m tra g\u00f3c m\u1ecdi chi ti\u1ebft \u0111\u1ea7u ti\u00ean c\u1ee7a m\u1ed7i l\u00f4. B\u1ec1 m\u1eb7t ra s\u1ea1ch, kh\u00f4ng d\u1ea5u vai h\u1eb1n, kh\u00f4ng b\u00f3ng m\u1edd t\u1eeb l\u1edbp oxi h\u00f3a. T\u00f4i \u0111\u00e3 th\u1ea5y m\u1ed9t n\u1eafp th\u00e9p kh\u00f4ng g\u1ec9 $40 b\u1ecb lo\u1ea1i b\u1ecf ch\u1ec9 v\u00ec hai v\u1ec7t b\u00f3ng d\u00f9 kh\u00f4ng thay \u0111\u1ed5i \u0111\u1ed9 b\u1ec1n, g\u00f3c hay s\u1ef1 v\u1eeba v\u1eb7n. Trong m\u00f4i tr\u01b0\u1eddng \u0111\u00f3, t\u1ea5m \u0111\u1ec7m x\u1ee9ng \u0111\u00e1ng v\u00ec s\u1ef1 ho\u00e0n h\u1ea3o l\u00e0 \u0111i\u1ec1u b\u1eaft bu\u1ed9c trong h\u1ee3p \u0111\u1ed3ng.<\/p>\n\n\n\n

Nh\u01b0ng ngay c\u1ea3 \u1edf \u0111\u00e2y, h\u00e3y t\u00ednh to\u00e1n tr\u01b0\u1edbc. N\u1ebfu thi\u1ebft l\u1eadp th\u00e9p c\u1ee7a b\u1ea1n c\u1ea7n 20 t\u1ea5n v\u00e0 urethane d\u1ef1 t\u00ednh 26, b\u1ea1n \u1ed5n tr\u00ean m\u00e1y \u00e9p 100 t\u1ea5n. N\u1ebfu thi\u1ebft l\u1eadp th\u00e9p c\u1ea7n 60 v\u00e0 urethane d\u1ef1 t\u00ednh 75, c\u00f2n m\u00e1y c\u1ee7a b\u1ea1n \u0111\u1ecbnh m\u1ee9c 80, th\u00ec b\u1ea1n \u0111ang \u0111\u00e1nh c\u01b0\u1ee3c m\u1ed7i l\u1ea7n \u00e9p.<\/p>\n\n\n\n

Bi\u00ean c\u00f4ng su\u1ea5t c\u1ee7a b\u1ea1n c\u00f3 h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c \u201cthu\u1ebf\u201d m\u00e0 kh\u00f4ng ph\u1ea3i s\u1ed1ng tr\u00ean van x\u1ea3 \u00e1p kh\u00f4ng?<\/p>\n\n\n\n

N\u01a1i n\u00f3 th\u1ea5t b\u1ea1i: sai s\u1ed1 ch\u1eb7t, tr\u1ecdng t\u1ea3i n\u1eb7ng, v\u00e0 s\u1ea3n xu\u1ea5t d\u00e0i h\u1ea1n<\/h3>\n\n\n\n

Gi\u1edbi h\u1ea1n b\u00e2y gi\u1edd l\u00e0 s\u1ef1 tr\u00f4i d\u1ea7n t\u00edch l\u0169y.<\/p>\n\n\n\n

T\u1ea5m th\u00e9p d\u00e0y nh\u00e2n \u0111\u00f4i \u201cthu\u1ebf\u201d tr\u1ecdng t\u1ea3i v\u00ec b\u1ea1n \u0111\u00e3 s\u00e2u v\u00e0o \u0111\u01b0\u1eddng cong t\u1ea3i. Th\u00eam 30% v\u00e0o m\u1ed9t c\u00f4ng vi\u1ec7c 90 t\u1ea5n v\u00e0 b\u1ea1n kh\u00f4ng ch\u1ec9nh nh\u1eb9 \u2014 b\u1ea1n \u0111ang vi\u1ebft l\u1ea1i b\u1ee9c tranh \u1ee9ng su\u1ea5t c\u1ee7a m\u00e1y. \u0110\u1ed9 v\u00f5ng khung t\u0103ng. Nhu c\u1ea7u ch\u1ed1ng cong t\u0103ng. N\u00e9n t\u1ea5m \u0111\u1ec7m t\u0103ng. M\u1ecdi th\u1ee9 ch\u1ed3ng ch\u1ea5t.<\/p>\n\n\n\n

Sau \u0111\u00f3 l\u00e0 \u0111\u1ed9 d\u00e0i c\u1ee7a \u0111\u1ee3t s\u1ea3n xu\u1ea5t. Khu\u00f4n th\u00e9p, n\u1ebfu ch\u0103m \u0111\u00fang c\u00e1ch, l\u00e0 c\u00f4ng c\u1ee5 tr\u1ecdn \u0111\u1eddi. T\u1ea5m \u0111\u1ec7m urethane th\u00ec suy gi\u1ea3m. Kh\u00f4ng ph\u1ea3i \u0111\u1ed9t ng\u1ed9t. M\u00e0 d\u1ea7n d\u1ea7n. Ng\u00e0y \u0111\u1ea7u v\u00e0 ng\u00e0y th\u1ee9 ba kh\u00f4ng h\u00e0nh x\u1eed gi\u1ed1ng nhau d\u00f9 h\u00e0nh tr\u00ecnh \u00e9p gi\u1ed1ng h\u1ec7t. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a c\u00e0i \u0111\u1eb7t \u0111\u1ed9 s\u00e2u u\u1ed1n tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau di \u0111\u1ed9ng qua h\u00e0ng ng\u00e0n c\u00fa \u00e9p.<\/p>\n\n\n\n

Trong m\u1ed9t \u0111\u1ee3t 5.000 chi ti\u1ebft v\u1edbi sai s\u1ed1 \u00b10.5\u00b0, \u0111\u00f3 kh\u00f4ng ph\u1ea3i b\u1ea3o hi\u1ec3m b\u1ec1 m\u1eb7t \u2014 \u0111\u00f3 l\u00e0 s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh quy tr\u00ecnh l\u1eb7p l\u1ea1i li\u00ean t\u1ee5c. Nhi\u1ec1u ki\u1ec3m tra. Nhi\u1ec1u ch\u1ec9nh s\u1eeda. Nhi\u1ec1u c\u01a1 h\u1ed9i cho t\u00ecnh tr\u1ea1ng t\u00edch t\u1ee5 d\u1eabn \u0111\u1ebfn \u201cC\u1ea3 pallet b\u1ecb t\u1eeb ch\u1ed1i\u201d.\u201d<\/p>\n\n\n\n

B\u1ea3o d\u01b0\u1ee1ng c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm s\u1ef1 suy gi\u1ea3m. C\u1ea5t t\u1ea5m \u0111\u1ec7m ph\u1eb3ng. Gi\u1eef s\u1ea1ch. Tr\u00e1nh xuy\u00ean qu\u00e1 m\u1ee9c. \u0110i\u1ec1u \u0111\u00f3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd. N\u00f3 kh\u00f4ng lo\u1ea1i b\u1ecf m\u1ea5t m\u00f4-\u0111un. B\u1ea1n v\u1eabn tr\u1ea3 \u201cthu\u1ebf\u201d; ch\u1ec9 l\u00e0 b\u1ea1n chia \u0111\u1ec1u n\u00f3 qua nhi\u1ec1u h\u00f3a \u0111\u01a1n h\u01a1n.<\/p>\n\n\n\n

V\u00ec v\u1eady, \u0111\u00e2y l\u00e0 g\u00f3c nh\u00ecn m\u00e0 t\u00f4i mu\u1ed1n b\u1ea1n mang theo.<\/p>\n\n\n\n

S\u1eed d\u1ee5ng urethane kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn d\u1ee5ng c\u1ee5. \u0110\u00f3 l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh t\u00e0i ch\u00ednh. B\u1ea1n \u0111ang \u0111\u1ed3ng \u00fd v\u1edbi m\u1ed9t \u201cthu\u1ebf\u201d tr\u1ecdng t\u1ea3i \u0111\u1ecbnh k\u1ef3, m\u1ed9t \u201cthu\u1ebf\u201d \u1ed5n \u0111\u1ecbnh, v\u00e0 m\u1ed9t \u201cthu\u1ebf\u201d thay th\u1ebf \u0111\u1ec3 \u0111\u1ed5i l\u1ea5y b\u1ec1 m\u1eb7t ho\u00e0n h\u1ea3o. N\u1ebfu s\u1ef1 ho\u00e0n h\u1ea3o b\u1ec1 m\u1eb7t l\u00e0 \u0111i\u1ec1u kh\u00e1ch h\u00e0ng ki\u1ec3m tra v\u00e0 sai s\u1ed1 g\u00f3c c\u00f3 d\u01b0, h\u00e3y tr\u1ea3 n\u00f3. N\u1ebfu sai s\u1ed1 quy\u1ebft \u0111\u1ecbnh l\u1eafp r\u00e1p v\u00e0 bi\u00ean c\u00f4ng su\u1ea5t m\u1ecfng, h\u00e3y b\u1ecf qua.<\/p>\n\n\n\n

Tr\u01b0\u1edbc khi b\u1ea1n k\u00fd duy\u1ec7t b\u00e0n \u00e9p, h\u00e3y nh\u00e2n kh\u1ed1i l\u01b0\u1ee3ng th\u00e9p th\u1ef1c c\u1ee7a b\u1ea1n v\u1edbi 1,25, so s\u00e1nh n\u00f3 v\u1edbi 70\u201380 ph\u1ea7n tr\u0103m c\u00f4ng su\u1ea5t m\u00e1y \u00e9p c\u1ee7a b\u1ea1n, v\u00e0 \u0111\u1ecdc kh\u1ed1i dung sai tr\u00ean b\u1ea3n v\u1ebd. Sau \u0111\u00f3, c\u00e2u tr\u1ea3 l\u1eddi kh\u00f4ng mang t\u00ednh tri\u1ebft l\u00fd.<\/p>\n\n\n\n

N\u00f3 mang t\u00ednh v\u1eadn h\u00e0nh.<\/p>","protected":false},"excerpt":{"rendered":"

T\u1ea5m kim lo\u1ea1i tr\u00f4ng ho\u00e0n h\u1ea3o d\u01b0\u1edbi \u00e1nh \u0111\u00e8n trong x\u01b0\u1edfng. R\u1ed3i kh\u00e1ch h\u00e0ng \u0111\u01b0a n\u00f3 ra d\u01b0\u1edbi gi\u1ebfng tr\u1eddi v\u00e0 nh\u1eefng \u0111\u01b0\u1eddng ch\u1eef V m\u1edd xu\u1ea5t hi\u1ec7n nh\u01b0 d\u1ea5u v\u00e2n tay. C\u1ea3 ki\u1ec7n h\u00e0ng b\u1ecb t\u1eeb ch\u1ed1i. Th\u01b0\u1eddng th\u00ec l\u00fac \u0111\u00f3 s\u1ebd c\u00f3 ng\u01b0\u1eddi gi\u01a1 ra m\u1ed9t t\u1edd qu\u1ea3ng c\u00e1o v\u1ec1 khu\u00f4n V b\u1eb1ng urethane v\u00e0 n\u00f3i: \u201c\u0110\u00e3 c\u00f3 gi\u1ea3i ph\u00e1p.\u201d Nghe c\u00f3 v\u1ebb s\u1ea1ch s\u1ebd. Nghe c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n. Nh\u01b0ng kh\u00f4ng ph\u1ea3i v\u1eady. \u1ea2o t\u01b0\u1edfng \u201cThay th\u1ebf tr\u1ef1c ti\u1ebfp\u201d: V\u00ec sao vi\u1ec7c \u201ckh\u00f4ng \u0111\u1ec3 l\u1ea1i d\u1ea5u\u201d kh\u00f4ng t\u1ef1 \u0111\u1ed9ng t\u1ed1t h\u01a1n khi b\u1ec1 m\u1eb7t [\u2026]<\/p>","protected":false},"author":3,"featured_media":1138,"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-1134","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\/1134","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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/comments?post=1134"}],"version-history":[{"count":1,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/1134\/revisions"}],"predecessor-version":[{"id":1139,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/1134\/revisions\/1139"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media\/1138"}],"wp:attachment":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media?parent=1134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/categories?post=1134"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/tags?post=1134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}