{"id":877,"date":"2026-02-28T03:11:44","date_gmt":"2026-02-28T03:11:44","guid":{"rendered":"https:\/\/cn-hawe.com\/?p=877"},"modified":"2026-03-09T01:00:39","modified_gmt":"2026-03-09T01:00:39","slug":"small-press-brake-trap","status":"publish","type":"post","link":"https:\/\/cn-hawe.com\/vi\/small-press-brake-trap\/","title":{"rendered":"C\u00e1i b\u1eaby m\u00e1y ch\u1ea5n nh\u1ecf: T\u1ea1i sao m\u1eadt \u0111\u1ed9 l\u1ef1c n\u00e9n l\u1ea1i v\u01b0\u1ee3t tr\u1ed9i h\u01a1n di\u1ec7n t\u00edch \u0111\u1eb7t m\u00e1y"},"content":{"rendered":"

B\u1ea1n c\u00f3 m\u1ed9t m\u00e1y u\u1ed1n 4 feet \u0111\u01b0\u1ee3c \u0111\u1eb7t g\u1ecdn g\u00e0ng s\u00e1t t\u01b0\u1eddng trong x\u01b0\u1edfng ch\u1eadt h\u1eb9p. B\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ghi \u201ckh\u1ea3 n\u0103ng u\u1ed1n \u00bc inch\u201d. B\u1ea1n \u0111\u01b0a v\u00e0o m\u1ed9t d\u1ea3i th\u00e9p m\u1ec1m d\u00e0y 3mm, k\u00e9o c\u1ea7n, v\u00e0 gi\u1eefa ch\u1eebng h\u00e0nh tr\u00ecnh, c\u00f9m \u00e9p\u2026 d\u1eebng l\u1ea1i. \u0110\u1ed9ng c\u01a1 r\u00ean r\u1ec9. Th\u00e9p th\u00ec ch\u1eb3ng quan t\u00e2m.<\/p>\n\n\n\n

Kho\u1ea3nh kh\u1eafc \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 xui r\u1ee7i. \u0110\u00f3 l\u00e0 b\u00e0i to\u00e1n b\u1ea1n ch\u01b0a t\u1eebng \u0111\u01b0\u1ee3c h\u1ecdc.<\/p>\n\n\n\n

\u1ea2o gi\u00e1c v\u1ec1 \u201cK\u00edch th\u01b0\u1edbc\u201d: V\u00ec sao mua theo \u201ck\u00edch c\u1ee1\u201d \u0111\u1ea3m b\u1ea3o b\u1ea1n s\u1ebd b\u1ecb k\u1eb9t khi u\u1ed1n<\/h2>\n\n\n\n

Trong m\u1ed9t x\u01b0\u1edfng ch\u1eadt, di\u1ec7n t\u00edch s\u00e0n r\u1ea5t \u0111\u1eaft \u0111\u1ecf. V\u00ec th\u1ebf ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng mua theo c\u00e1ch n\u00e0y: \u201cT\u00f4i c\u00f3 th\u1ec3 \u0111\u1eb7t \u0111\u01b0\u1ee3c m\u00e1y u\u1ed1n l\u1edbn nh\u1ea5t n\u00e0o?\u201d ch\u1ee9 kh\u00f4ng ph\u1ea3i \u201cKhung n\u00e0y th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 t\u1ea1o ra bao nhi\u00eau l\u1ef1c tr\u00ean m\u1ed7i inch?\u201d<\/p>\n\n\n\n

T\u00f4i \u0111\u00e3 th\u1ea5y m\u1ed9t m\u00e1y u\u1ed1n 200 t\u1ea5n, d\u00e0i 10 feet \u0111\u01b0\u1ee3c qu\u1ea3ng c\u00e1o l\u00e0 \u201ckh\u1ea3 n\u0103ng u\u1ed1n \u00bc inch.\u201d \u0110\u00fang \u2014 v\u1edbi khu\u00f4n V r\u1ed9ng 2 inch, c\u1ea7n kho\u1ea3ng 197 t\u1ea5n \u0111\u1ec3 u\u1ed1n mi\u1ebfng th\u00e9p m\u1ec1m \u0111\u00f3. Nh\u01b0ng \u0111\u1ed5i sang khu\u00f4n V ch\u1eb7t h\u01a1n, c\u1ee1 1.5 inch \u0111\u1ec3 t\u1ea1o g\u00f3c u\u1ed1n s\u1eafc h\u01a1n, th\u00ec c\u00f9ng t\u1ea5m th\u00e9p \u1ea5y b\u1ed7ng \u0111\u00f2i kho\u1ea3ng 300 t\u1ea5n. C\u00f9ng m\u00e1y. C\u00f9ng t\u1ea5m. Khu\u00f4n kh\u00e1c. K\u1ebft qu\u1ea3 ho\u00e0n to\u00e0n kh\u00e1c.<\/p>\n\n\n\n

\u0110\u00f3 ch\u00ednh l\u00e0 m\u1eadt \u0111\u1ed9 l\u1ef1c \u2014 l\u1ef1c ph\u00e2n b\u1ed1 tr\u00ean chi\u1ec1u d\u00e0i u\u1ed1n. N\u00f3 gi\u1ed1ng nh\u01b0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t chi\u1ebfc xe t\u1ea3i c\u00f3 th\u1ec3 k\u00e9o 10.000 pound v\u00e0 m\u1ed9t chi\u1ebfc c\u1ed1 k\u00e9o kh\u1ed1i l\u01b0\u1ee3ng \u0111\u00f3 b\u1eb1ng thanh n\u1ed1i d\u00e0i 20 foot. M\u1ee9c t\u1ea3i kh\u00f4ng \u0111\u1ed5i. \u0110\u00f2n b\u1ea9y th\u00ec thay \u0111\u1ed5i.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o t\u1eeb th\u00f9ng ph\u1ebf li\u1ec7u:<\/strong> Mua m\u00e1y u\u1ed1n v\u00ec \u201cv\u1eeba trong gara\u201d m\u00e0 kh\u00f4ng ki\u1ec3m tra s\u1ed1 t\u1ea5n tr\u00ean m\u1ed7i foot c\u00f3 ngh\u0129a l\u00e0 d\u1ef1 \u00e1n th\u1eadt \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1n s\u1ebd bi\u1ebfn th\u00e0nh b\u00e0i t\u1eadp th\u1ef1c h\u00e0nh. Th\u00e9p kh\u00f4ng u\u1ed1n b\u1eb1ng s\u1ef1 l\u1ea1c quan.<\/p>\n\n\n\n

V\u1eady t\u1ea1i sao nhi\u1ec1u ng\u01b0\u1eddi l\u1ea1i cho r\u1eb1ng \u201cv\u00e0i milim\u00e9t\u201d l\u00e0 v\u00f9ng an to\u00e0n?<\/p>\n\n\n\n

Gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng \u201ct\u1edbi v\u00e0i milim\u00e9t\u201d bao g\u1ed3m m\u1ecdi c\u00f4ng vi\u1ec7c v\u1edbi t\u00f4n m\u1ecfng<\/h3>\n\n\n\n
\"Gi\u1ea3<\/figure>\n\n\n\n

T\u00f4i nghe c\u00e2u n\u00e0y su\u1ed1t: \u201cT\u00f4i ch\u1ec9 u\u1ed1n t\u1edbi 3mm th\u00f4i. Kh\u00f4ng c\u00f3 g\u00ec n\u1eb7ng c\u1ea3.\u201d Nghe c\u00f3 v\u1ebb h\u1ee3p l\u00fd.<\/p>\n\n\n\n

Gi\u1edd h\u00e3y h\u00ecnh dung m\u1ed9t m\u00e1y u\u1ed1n 150 t\u1ea5n, d\u00e0i 10 foot. Tr\u00ean l\u00fd thuy\u1ebft, \u0111\u00f3 l\u00e0 trung b\u00ecnh 15 t\u1ea5n m\u1ed7i foot. Nh\u01b0ng th\u1ee3 v\u1eadn h\u00e0nh c\u00f3 kinh nghi\u1ec7m th\u01b0\u1eddng gi\u1edbi h\u1ea1n kho\u1ea3ng 25 t\u1ea5n m\u1ed7i foot \u1edf c\u00e1c \u0111o\u1ea1n ng\u1eafn \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u01b0 m\u1eb7t gi\u01b0\u1eddng v\u00e0 tr\u1ee5c \u00e9p. T\u1eadp trung qu\u00e1 nhi\u1ec1u l\u1ef1c tr\u00ean m\u1ed9t v\u00f9ng nh\u1ecf, b\u1ea1n s\u1ebd v\u1eb7n cong kh\u1ed1i s\u1eaft tr\u1ecb gi\u00e1 h\u01a1n c\u1ea3 chi\u1ebfc xe t\u1ea3i c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n

V\u00ec v\u1eady, khi b\u1ea1n u\u1ed1n m\u1ed9t \u0111o\u1ea1n ng\u1eafn 2 foot, b\u1ea1n kh\u00f4ng th\u1ec3 d\u1ed3n c\u1ea3 150 t\u1ea5n v\u00e0o \u0111\u00f3. Khung m\u00e1y s\u1ebd kh\u00f4ng ch\u1ecbu n\u1ed5i. Kh\u1ea3 n\u0103ng t\u1ea3i kh\u00f4ng ch\u1ec9 l\u00e0 t\u1ed5ng s\u1ed1 t\u1ea5n \u2014 m\u00e0 l\u00e0 c\u00e1ch l\u1ef1c \u0111\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 d\u1ecdc theo chi\u1ec1u d\u00e0i.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o t\u1eeb th\u00f9ng ph\u1ebf li\u1ec7u:<\/strong> Ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng ngh\u0129 r\u1eb1ng chi ti\u1ebft ng\u1eafn \u201cd\u1ec5 h\u01a1n\u201d v\u00ec nh\u1ecf. Th\u1ef1c t\u1ebf, c\u00e1c \u0111o\u1ea1n u\u1ed1n ng\u1eafn t\u1eadp trung l\u1ef1c v\u00e0 c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n t\u1ea5n m\u1ed7i foot an to\u00e0n, ngay c\u1ea3 khi t\u1ed5ng s\u1ed1 t\u1ea5n c\u00f3 v\u1ebb \u1ed5n. \u0110\u00f3 l\u00e0 c\u00e1ch b\u1ea1n l\u00e0m h\u1eb1n m\u1eb7t gi\u01b0\u1eddng c\u1ee7a m\u00e1y trong x\u01b0\u1edfng ch\u1eadt m\u00e0 kh\u00f4ng nh\u1eadn ra cho \u0111\u1ebfn khi c\u00e1c chi ti\u1ebft b\u1eaft \u0111\u1ea7u cong v\u00eanh l\u1ec7ch.<\/p>\n\n\n\n

N\u1ebfu t\u00f4n m\u1ecfng kh\u00f4ng t\u1ef1 \u0111\u1ed9ng an to\u00e0n, v\u1eady c\u00f2n v\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn nh\u1ea5t cho ng\u01b0\u1eddi m\u1edbi \u2014 th\u00e9p m\u1ec1m 3mm \u2014 th\u00ec sao?<\/p>\n\n\n\n

Sai l\u1ea7m v\u1edbi th\u00e9p m\u1ec1m: V\u00ec sao vi\u1ec7c u\u1ed1n 3mm khi\u1ebfn c\u00e1c m\u00e1y \u201cd\u00e0nh cho x\u01b0\u1edfng\u201d ph\u1ea3i c\u00fai \u0111\u1ea7u<\/h3>\n\n\n\n
\"Sai<\/figure>\n\n\n\n

H\u00e3y n\u00f3i c\u1ee5 th\u1ec3. Th\u00e9p c\u1ee1 10 gauge \u2014 kho\u1ea3ng 3,4mm \u2014 khi u\u1ed1n 90 inch tr\u00ean khu\u00f4n V 1 inch c\u00f3 th\u1ec3 c\u1ea7n kho\u1ea3ng 72 t\u1ea5n v\u1edbi th\u00e9p m\u1ec1m. Thay v\u1eadt li\u1ec7u th\u00e0nh lo\u1ea1i c\u1ee9ng h\u01a1n nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 201 v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 t\u0103ng y\u00eau c\u1ea7u l\u1ef1c th\u00eam kho\u1ea3ng 50\u2011100%. C\u00f9ng \u0111\u1ed9 d\u00e0y. H\u00f3a h\u1ecdc kh\u00e1c. K\u1ebft qu\u1ea3 kh\u00e1c bi\u1ec7t l\u1edbn.<\/p>\n\n\n\n

Gi\u1edd thu nh\u1ecf l\u1ea1i cho m\u00e1y u\u1ed1n nh\u1ecf trong x\u01b0\u1edfng ch\u1eadt. B\u1ea1n kh\u00f4ng c\u00f3 90 inch \u0111\u1ec3 ph\u00e2n b\u1ed5 l\u1ef1c. B\u1ea1n c\u00f3 t\u1ea3i t\u1eadp trung ch\u1ec9 tr\u00ean v\u00e0i foot. C\u00e1i g\u1ecdi l\u00e0 \u201ckh\u1ea3 n\u0103ng \u00bc inch\u201d trong qu\u1ea3ng c\u00e1o \u0111\u01b0\u1ee3c t\u00ednh d\u1ef1a tr\u00ean chi\u1ec1u r\u1ed9ng khu\u00f4n nh\u1ea5t \u0111\u1ecbnh v\u00e0 lo\u1ea1i th\u00e9p m\u1ec1m d\u1ec5 u\u1ed1n. Thay \u0111\u1ed5i m\u1ed9t trong hai, v\u00e0 bi\u00ean \u0111\u1ed9 an to\u00e0n bi\u1ebfn m\u1ea5t.<\/p>\n\n\n\n

N\u00f3 gi\u1ed1ng nh\u01b0 mua xe t\u1ea3i ch\u1ec9 d\u1ef1a v\u00e0o chi\u1ec1u d\u00e0i c\u01a1 s\u1edf v\u00ec ph\u00f9 h\u1ee3p ch\u1ed7 \u0111\u1ed7, m\u00e0 b\u1ecf qua kh\u1ea3 n\u0103ng k\u00e9o th\u1ef1c t\u1ebf. Chi\u1ec1u d\u00e0i c\u01a1 s\u1edf cho bi\u1ebft xe \u0111\u1ed7 \u1edf \u0111\u00e2u. Kh\u1ea3 n\u0103ng k\u00e9o cho bi\u1ebft n\u00f3 s\u1ed1ng s\u00f3t th\u1ebf n\u00e0o.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o t\u1eeb th\u00f9ng ph\u1ebf li\u1ec7u:<\/strong> Tin v\u00e0o c\u1ee5m t\u1eeb \u201cs\u1eb5n s\u00e0ng cho x\u01b0\u1edfng, u\u1ed1n 3mm\u201d m\u00e0 kh\u00f4ng h\u1ecfi khu\u00f4n V lo\u1ea1i n\u00e0o v\u00e0 lo\u1ea1i th\u00e9p n\u00e0o \u0111\u01b0\u1ee3c gi\u1ea3 \u0111\u1ecbnh s\u1ebd khi\u1ebfn b\u1ea1n ph\u1ea3i tr\u1ea3 gi\u00e1 b\u1eb1ng m\u00e9p b\u1ecb cong v\u00eanh v\u00e0 c\u00e1c \u0111\u01b0\u1eddng u\u1ed1n \u0111\u00f3ng kh\u00f4ng kh\u00edt, b\u1eadt ng\u01b0\u1ee3c r\u1ed9ng h\u01a1n b\u1ea3n v\u1ebd.<\/p>\n\n\n\n

Khi m\u00e1y ch\u1ea5n b\u1ecb k\u1eb9t, b\u1ea1n kh\u00f4ng v\u1ee9t n\u00f3 \u0111i. B\u1ea1n th\u00edch nghi \u2014 th\u01b0\u1eddng l\u00e0 theo nh\u1eefng c\u00e1ch t\u1ec7 nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n\n\n\n

C\u00e1ch c\u00f4ng su\u1ea5t \u00edt \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 \u0111\u1ea9y ng\u01b0\u1eddi mua \u0111\u1ebfn nh\u1eefng gi\u1ea3i ph\u00e1p t\u1ea1m b\u1ee3 g\u00e2y kh\u00f3 ch\u1ecbu<\/h3>\n\n\n\n
\"C\u00e1ch<\/figure>\n\n\n\n

T\u00f4i \u0111\u00e3 th\u1ea5y nh\u1eefng ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u l\u00e0m \u201cbump bending\u201d \u2014 th\u1ef1c hi\u1ec7n nhi\u1ec1u nh\u00e1t ch\u1ea5n n\u00f4ng \u0111\u1ec3 gi\u1ea3 m\u1ed9t nh\u00e1t ch\u1ea5n s\u00e2u \u2014 b\u1edfi v\u00ec m\u00e1y ch\u1ea5n c\u1ee7a h\u1ecd kh\u00f4ng th\u1ec3 cung c\u1ea5p l\u1ef1c c\u1ea7n thi\u1ebft trong m\u1ed9t l\u1ea7n. Ho\u1eb7c h\u1ecd chuy\u1ec3n sang s\u1eed d\u1ee5ng khu\u00f4n V r\u1ed9ng h\u01a1n ch\u1ec9 \u0111\u1ec3 gi\u1ea3m y\u00eau c\u1ea7u c\u00f4ng su\u1ea5t, ch\u1ea5p nh\u1eadn hy sinh b\u00e1n k\u00ednh b\u00ean trong v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc.<\/p>\n\n\n\n

Khu\u00f4n r\u1ed9ng h\u01a1n \u0111\u00fang l\u00e0 l\u00e0m gi\u1ea3m c\u00f4ng su\u1ea5t. Nh\u01b0ng ch\u00fang c\u0169ng l\u00e0m t\u0103ng b\u00e1n k\u00ednh u\u1ed1n v\u00e0 thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng chi ti\u1ebft. B\u1ea1n \u0111\u00e3 kh\u00f4ng d\u1ef1 t\u00ednh \u0111i\u1ec1u \u0111\u00f3. M\u00e1y \u00e9p \u0111\u00e3 \u00e9p bu\u1ed9c b\u1ea1n.<\/p>\n\n\n\n

Nh\u1eefng ng\u01b0\u1eddi kh\u00e1c c\u1ed1 \u201c\u0103n gian\u201d b\u1eb1ng c\u00e1ch u\u1ed1n c\u00e1c \u0111o\u1ea1n ng\u1eafn h\u01a1n v\u1edbi c\u00f4ng su\u1ea5t t\u1ed1i \u0111a. \u0110\u00f3 l\u00e0 c\u00e1ch gi\u01b0\u1eddng m\u00e1y b\u1ecb h\u1ecfng \u2014 d\u1ed3n g\u1ea7n m\u1ee9c c\u00f4ng su\u1ea5t t\u1ed1i \u0111a l\u00ean hai feet c\u1ee7a m\u1ed9t khung m\u01b0\u1eddi feet. Ngay c\u1ea3 m\u00e1y l\u1edbn c\u0169ng c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng theo c\u00e1ch n\u00e0y. M\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t t\u00e1c \u0111\u1ed9ng c\u1ea3 hai chi\u1ec1u.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o t\u1eeb th\u00f9ng ph\u1ebf li\u1ec7u:<\/strong> Nh\u1eefng gi\u1ea3i ph\u00e1p t\u1ea1m b\u1ee3 t\u01b0\u1edfng ch\u1eebng kh\u00e9o l\u00e9o trong x\u01b0\u1edfng ch\u1eadt \u2014 cho \u0111\u1ebfn khi c\u00e1c chi ti\u1ebft kh\u00f4ng c\u00f2n kh\u1edbp nhau, dung sai l\u1ec7ch d\u1ea7n, v\u00e0 b\u1ea1n nh\u1eadn ra m\u00ecnh \u0111\u00e3 mua m\u1ed9t c\u00e1i m\u00e1y quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n thay v\u00ec ph\u1ee5c v\u1ee5 ch\u00fang.<\/p>\n\n\n\n

\u0110\u1ebfn gi\u1edd s\u1ef1 b\u1ef1c b\u1ed9i \u0111\u00e3 r\u00f5 r\u00e0ng. M\u00e1y ch\u1ea5n kh\u00f4ng th\u1ea5t b\u1ea1i v\u00ec n\u00f3 nh\u1ecf. N\u00f3 th\u1ea5t b\u1ea1i v\u00ec b\u1ea1n \u0111\u00e1nh gi\u00e1 n\u00f3 d\u1ef1a tr\u00ean di\u1ec7n t\u00edch chi\u1ebfm ch\u1ed7 thay v\u00ec l\u1ef1c tr\u00ean m\u1ed7i inch.<\/p>\n\n\n\n

V\u1eady t\u00ednh to\u00e1n th\u1ef1c s\u1ef1 n\u00f3i b\u1ea1n c\u1ea7n g\u00ec?<\/p>\n\n\n\n

V\u1eadt l\u00fd c\u1ee7a khu\u00f4n V: Chuy\u1ec3n \u0111\u1ed5i c\u00f4ng su\u1ea5t th\u00e0nh kh\u1ea3 n\u0103ng th\u1ef1c t\u1ebf<\/h2>\n\n\n\n

M\u1ed9t ng\u01b0\u1eddi m\u1edbi b\u01b0\u1edbc v\u00e0o x\u01b0\u1edfng ch\u1eadt v\u1edbi m\u00e1y ch\u1ea5n 20 t\u1ea5n, d\u00e0i 4 feet v\u00e0 h\u1ecfi t\u00f4i: \u201cC\u00e1i n\u00e0y c\u00f3 th\u1ec3 u\u1ed1n th\u00e9p m\u1ec1m 3mm tr\u00ean hai m\u00e9t kh\u00f4ng?\u201d<\/p>\n\n\n\n

H\u00e3y t\u00ednh th\u1eed, \u0111\u1eebng \u0111o\u00e1n.<\/p>\n\n\n\n

L\u1ea5y th\u00e9p m\u1ec1m 3mm (kho\u1ea3ng 1\/8\u2033). \u0110\u1eb7t l\u00ean khu\u00f4n V 24mm \u2014 kho\u1ea3ng 8\u00d7 \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u, m\u1ed9t c\u1ea5u h\u00ecnh u\u1ed1n kh\u00f4ng ch\u1ea1m ph\u1ed5 bi\u1ebfn. Tr\u00ean chi\u1ec1u d\u00e0i 2000mm (kho\u1ea3ng 6,5 feet), l\u1ef1c u\u1ed1n t\u00ednh to\u00e1n v\u00e0o kho\u1ea3ng 50 t\u1ea5n. Th\u00eam kho\u1ea3ng an to\u00e0n 20% \u0111\u1ec3 kh\u00f4ng ch\u1ea1y s\u00e1t gi\u1edbi h\u1ea1n th\u1ee7y l\u1ef1c, b\u1ea1n s\u1ebd c\u1ea7n kho\u1ea3ng 60 t\u1ea5n.<\/p>\n\n\n\n

\u0110\u00f3 kh\u00f4ng ph\u1ea3i \u00fd ki\u1ebfn. \u0110\u00f3 l\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u, khe m\u1edf khu\u00f4n, \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 chi\u1ec1u d\u00e0i u\u1ed1n \u0111ang ph\u00e1t huy t\u00e1c d\u1ee5ng.<\/p>\n\n\n\n

Gi\u1edd \u0111\u1ed5i v\u1eadt li\u1ec7u sang inox c\u00f9ng \u0111\u1ed9 d\u00e0y. C\u00f9ng khu\u00f4n. C\u00f9ng chi\u1ec1u d\u00e0i. B\u1ea1n s\u1ebd th\u1ea5y g\u1ea7n 90 t\u1ea5n. Chuy\u1ec3n sang nh\u00f4m th\u00ec gi\u1ea3m xu\u1ed1ng kho\u1ea3ng tr\u00ean 30 t\u1ea5n. Kh\u00f4ng c\u00f3 g\u00ec \u1edf gara c\u1ee7a b\u1ea1n thay \u0111\u1ed5i. Ch\u1ec9 c\u00f3 ph\u00e9p t\u00ednh thay \u0111\u1ed5i.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 l\u00fd do t\u00f4i th\u1eb3ng th\u1eafn v\u1ec1 m\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t. C\u00f4ng su\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 con s\u1ed1 khoe m\u1ebd tr\u00ean b\u1ea3ng th\u00f4ng s\u1ed1 \u2014 n\u00f3 l\u00e0 y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0y, khe m\u1edf khu\u00f4n, \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u v\u00e0 chi\u1ec1u d\u00e0i. N\u1ebfu b\u1ea1n kh\u00f4ng ch\u1ea1y t\u00ednh to\u00e1n, m\u00e1y s\u1ebd d\u1ea1y b\u1ea1n theo c\u00e1ch kh\u00f3 ch\u1ecbu.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o th\u00f9ng ph\u1ebf li\u1ec7u: Sai l\u1ea7m \u0111\u1eaft nh\u1ea5t m\u00e0 t\u00f4i th\u1ea5y \u1edf x\u01b0\u1edfng ch\u1eadt l\u00e0 mua m\u00e1y ch\u1ea5n 20 ho\u1eb7c 30 t\u1ea5n v\u00ec \u201cT\u00f4i kh\u00f4ng u\u1ed1n g\u00ec d\u00e0y c\u1ea3,\u201d r\u1ed3i ph\u00e1t hi\u1ec7n t\u1ea5m 6 feet \u0111i\u1ec3n h\u00ecnh c\u1ee7a h\u1ecd \u00e2m th\u1ea7m c\u1ea7n 50\u201370 t\u1ea5n. Chi\u1ebfc m\u00e1y \u0111\u00f3 s\u1ebd kh\u00f4ng l\u1edbn l\u00ean c\u00f9ng b\u1ea1n. N\u00f3 s\u1ebd k\u1eb9t ngay tr\u01b0\u1edbc kh\u00e1ch h\u00e0ng.<\/p>\n\n\n\n

V\u1eady ph\u1ea7n n\u00e0o c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh n\u00e0y g\u00e2y c\u1eafn m\u1ea1nh nh\u1ea5t?<\/p>\n\n\n\n

C\u00e1ch khe m\u1edf khu\u00f4n v\u00e0 chi\u1ec1u r\u1ed9ng khu\u00f4n V \u00e2m th\u1ea7m nh\u00e2n nhu c\u1ea7u c\u00f4ng su\u1ea5t c\u1ee7a b\u1ea1n<\/h3>\n\n\n\n

U\u1ed1n th\u00e9p A36 d\u00e0y 1\/4\u2033 tr\u00ean khu\u00f4n V 2\u2033, b\u1ea1n s\u1ebd c\u1ea7n kho\u1ea3ng 19,7 t\u1ea5n m\u1ed7i foot. K\u00e9o d\u00e0i ra 10 feet th\u00ec t\u1ed5ng c\u1ed9ng l\u00e0 197 t\u1ea5n.<\/p>\n\n\n\n

Gi\u1edd si\u1ebft khu\u00f4n xu\u1ed1ng 1,5\u2033. C\u00f9ng lo\u1ea1i th\u00e9p. C\u00f9ng chi\u1ec1u d\u00e0i. L\u1ef1c y\u00eau c\u1ea7u nh\u1ea3y l\u00ean kho\u1ea3ng 30 t\u1ea5n m\u1ed7i foot \u2014 t\u1ed5ng c\u1ed9ng 300 t\u1ea5n.<\/p>\n\n\n\n

M\u1edf khu\u00f4n ch\u1eef V ra 3\u2033? B\u1ea1n s\u1ebd gi\u1ea3m xu\u1ed1ng c\u00f2n kho\u1ea3ng 13,9 t\u1ea5n m\u1ed7i foot \u2014 t\u1ee9c 139 t\u1ea5n.<\/p>\n\n\n\n

M\u1ed9t bi\u1ebfn s\u1ed1. Bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng h\u01a1n 2\u00d7.<\/p>\n\n\n\n

C\u01a1 ch\u1ebf nh\u01b0 sau: khu\u00f4n V h\u1eb9p h\u01a1n bu\u1ed9c v\u1eadt li\u1ec7u ph\u1ea3i \u00f4m ch\u1eb7t h\u01a1n quanh \u0111\u1ea7u ch\u00e0y, l\u00e0m t\u0103ng s\u1ee9c c\u1ea3n bi\u1ebfn d\u1ea1ng d\u1ebbo. S\u1ee9c c\u1ea3n \u0111\u00f3 th\u1ec3 hi\u1ec7n tr\u1ef1c ti\u1ebfp th\u00e0nh l\u1ef1c \u00e9p c\u1ea7n thi\u1ebft. Khu\u00f4n r\u1ed9ng h\u01a1n s\u1ebd l\u00e0m t\u0103ng b\u00e1n k\u00ednh u\u1ed1n, gi\u1ea3m l\u1ef1c c\u1ea7n \u0111\u1ec3 l\u00e0m v\u1eadt li\u1ec7u ch\u1ea3y.<\/p>\n\n\n\n

H\u00e3y ngh\u0129 \u0111\u1ebfn vi\u1ec7c k\u00e9o r\u01a1-mo\u00f3c b\u1eb1ng m\u00f3c k\u00e9o g\u1eafn g\u1ea7n tr\u1ee5c sau so v\u1edbi g\u1eafn ra xa b\u1eb1ng thanh n\u1ed1i d\u00e0i. \u0110\u1ed9ng c\u01a1 xe t\u1ea3i kh\u00f4ng thay \u0111\u1ed5i, nh\u01b0ng \u201c\u0111\u00f2n b\u1ea9y\u201d th\u00ec kh\u00e1c \u2014 v\u00e0 ch\u00ednh \u0111\u00f2n b\u1ea9y quy\u1ebft \u0111\u1ecbnh b\u1ea1n c\u00f3 di chuy\u1ec3n \u0111\u01b0\u1ee3c t\u1ea3i hay l\u00e0m h\u1ecfng th\u1ee9 g\u00ec \u0111\u00f3.<\/p>\n\n\n\n

B\u1ea3ng th\u00f4ng s\u1ed1 ghi \u201ckh\u1ea3 n\u0103ng \u00bc inch.\u201d Nh\u01b0ng kh\u00f4ng n\u00f3i l\u00e0 h\u1ecd gi\u1ea3 \u0111\u1ecbnh m\u1edf khu\u00f4n bao nhi\u00eau. Th\u00f4ng th\u01b0\u1eddng l\u00e0 kho\u1ea3ng 8\u00d7 \u0111\u1ed9 d\u00e0y \u0111\u1ed1i v\u1edbi th\u00e9p m\u1ec1m, u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y, to\u00e0n chi\u1ec1u d\u00e0i. Thay \u0111\u1ed5i \u0111i\u1ec1u \u0111\u00f3 v\u00e0 m\u1ee9c x\u1ebfp h\u1ea1ng xem nh\u01b0 bi\u1ebfn m\u1ea5t.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o Th\u00f9ng Ph\u1ebf Li\u1ec7u: Ng\u01b0\u1eddi m\u1edbi trong x\u01b0\u1edfng ch\u1eadt th\u01b0\u1eddng ch\u1ecdn khu\u00f4n h\u1eb9p h\u01a1n \u0111\u1ec3 \u201c\u0111\u01b0\u1ee3c g\u00f3c s\u1eafc h\u01a1n\u201d m\u00e0 kh\u00f4ng t\u00ednh l\u1ea1i l\u1ef1c \u00e9p. V\u00e0 \u0111\u00f3 l\u00e0 l\u00fd do m\u1ed9t m\u00e1y \u00e9p phanh an to\u00e0n \u1edf m\u1ee9c 200 t\u1ea5n b\u1ed7ng c\u1ea7n \u0111\u1ebfn 300 \u2014 v\u00e0 ph\u1ea7n tr\u01b0\u1ee3t, b\u00e0n \u00e9p ho\u1eb7c h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c ch\u1ecbu h\u1eadu qu\u1ea3.<\/p>\n\n\n\n

V\u1eady n\u1ebfu \u0111\u1ed9 r\u1ed9ng khu\u00f4n c\u00f3 th\u1ec3 khi\u1ebfn l\u1ef1c c\u1ea7n thi\u1ebft t\u0103ng g\u1ea5p \u0111\u00f4i, th\u00ec ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n c\u00f3 thay \u0111\u1ed5i nhi\u1ec1u \u0111\u1ebfn th\u1ebf kh\u00f4ng?<\/p>\n\n\n\n

U\u1ed1n Kh\u00f4ng Ch\u1ea1m \u0110\u00e1y so v\u1edbi U\u1ed1n Ch\u1ea1m \u0110\u00e1y: B\u1ea1n C\u00f3 Th\u1ef1c S\u1ef1 \u0110\u1ee7 L\u1ef1c \u0110\u1ec3 \u0110\u1ea1t G\u00f3c 90 \u0110\u1ed9 Ho\u00e0n H\u1ea3o Kh\u00f4ng?<\/h3>\n\n\n\n

U\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y ngh\u0129a l\u00e0 ch\u00e0y kh\u00f4ng \u00e9p v\u1eadt li\u1ec7u ho\u00e0n to\u00e0n v\u00e0o \u0111\u00e1y ch\u1eef V. G\u00f3c u\u1ed1n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1eb1ng \u0111\u1ed9 s\u00e2u, kh\u00f4ng ph\u1ea3i b\u1eb1ng vi\u1ec7c \u00e9p t\u1ea5m xu\u1ed1ng ti\u1ebfp x\u00fac ho\u00e0n to\u00e0n. \u0110\u00f3 l\u00e0 l\u00fd do n\u00f3 y\u00eau c\u1ea7u \u00edt l\u1ef1c \u00e9p h\u01a1n.<\/p>\n\n\n\n

U\u1ed1n ch\u1ea1m \u0111\u00e1y \u2014 ho\u1eb7c n\u1eb7ng h\u01a1n l\u00e0 d\u1eadp coining \u2014 \u00e9p v\u1eadt li\u1ec7u v\u00e0o th\u00e0nh khu\u00f4n \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh g\u00f3c b\u1eb1ng c\u01a1 h\u1ecdc. L\u00fac n\u00e0y b\u1ea1n kh\u00f4ng ch\u1ec9 th\u1eafng s\u1ee9c ch\u1ea3y d\u1ebbo; b\u1ea1n c\u00f2n l\u00e0m bi\u1ebfn d\u1ea1ng d\u1ebbo v\u00f9ng r\u1ed9ng h\u01a1n v\u00e0 \u201cl\u00e0 ph\u1eb3ng\u201d ch\u1ed7 u\u1ed1n.<\/p>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 l\u1ef1c kh\u00f4ng h\u1ec1 nh\u1ecf. U\u1ed1n ch\u1ea1m \u0111\u00e1y c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi l\u1ef1c \u00e9p g\u1ea5p 3 \u0111\u1ebfn 5 l\u1ea7n u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y cho c\u00f9ng lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 d\u00e0y.<\/p>\n\n\n\n

V\u00ec th\u1ebf, t\u1ea5m th\u00e9p m\u1ec1m 3 mm c\u1ea7n kho\u1ea3ng 50 t\u1ea5n khi u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y? N\u1ebfu u\u1ed1n ch\u1ea1m \u0111\u00e1y, l\u1ef1c \u00e9p c\u00f3 th\u1ec3 v\u01b0\u1ee3t xa 100 t\u1ea5n, t\u00f9y h\u00ecnh h\u1ecdc khu\u00f4n.<\/p>\n\n\n\n

V\u00e0 \u0111\u00e2y l\u00e0 ch\u1ed7 ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng m\u1eafc b\u1eaby: h\u1ecd than phi\u1ec1n v\u1ec1 \u201c\u0111\u1ed9 \u0111\u00e0n h\u1ed3i ng\u01b0\u1ee3c\u201d \u2014 v\u1eadt li\u1ec7u m\u1edf ra sau khi \u00e9p \u2014 r\u1ed3i cho r\u1eb1ng gi\u1ea3i ph\u00e1p l\u00e0 \u201cd\u00f9ng l\u1ef1c m\u1ea1nh h\u01a1n.\u201d H\u1ecd \u0111\u1ed5i ph\u01b0\u01a1ng ph\u00e1p m\u00e0 kh\u00f4ng ki\u1ec3m tra xem m\u00e1y trong x\u01b0\u1edfng ch\u1eadt c\u00f3 th\u1ef1c s\u1ef1 ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c u\u1ed1n ch\u1ea1m \u0111\u00e1y an to\u00e0n kh\u00f4ng.<\/p>\n\n\n\n

Gi\u1ed1ng nh\u01b0 \u0111\u1ed5i t\u1eeb vi\u1ec7c k\u00e9o r\u01a1-mo\u00f3c l\u0103n tr\u01a1n sang k\u00e9o c\u00e1i b\u1ecb k\u1eb9t phanh. C\u00f9ng m\u1ed9t chi\u1ebfc xe t\u1ea3i. Nh\u01b0ng nhu c\u1ea7u t\u1ea3i ho\u00e0n to\u00e0n kh\u00e1c.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o Th\u00f9ng Ph\u1ebf Li\u1ec7u: C\u1ed1 \u201c\u00e9p \u0111\u1ee7 g\u00f3c 90\u201d b\u1eb1ng c\u00e1ch u\u1ed1n ch\u1ea1m \u0111\u00e1y tr\u00ean m\u00e1y ch\u1ec9 d\u00e0nh cho u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y l\u00e0 c\u00e1ch khi\u1ebfn \u0111\u1ea7u ch\u00e0y b\u1ecb b\u1eb9t, khu\u00f4n b\u1ecb x\u01b0\u1edbc, v\u00e0 b\u00e0n \u00e9p b\u1ecb bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n \u2014 ngay c\u1ea3 khi t\u1ed5ng l\u1ef1c \u00e9p v\u1eabn n\u1eb1m trong gi\u1edbi h\u1ea1n danh \u0111\u1ecbnh.<\/p>\n\n\n\n

N\u1ebfu ph\u01b0\u01a1ng ph\u00e1p v\u00e0 khu\u00f4n \u0111\u1ec1u l\u00e0m l\u1ef1c bi\u1ebfn thi\u00ean m\u1ea1nh nh\u01b0 v\u1eady, th\u00ec 10, 20, 30 hay 50 t\u1ea5n th\u1ef1c s\u1ef1 c\u00f3 \u00fd ngh\u0129a g\u00ec trong th\u1ef1c t\u1ebf?<\/p>\n\n\n\n

Ch\u1ee7 \u0111\u1ec1<\/th>Chi ti\u1ebft<\/th><\/tr><\/thead>
U\u1ed1n Kh\u00f4ng Ch\u1ea1m (Air Bending)<\/td>Ch\u00e0y kh\u00f4ng \u00e9p v\u1eadt li\u1ec7u ho\u00e0n to\u00e0n v\u00e0o \u0111\u00e1y khu\u00f4n ch\u1eef V; g\u00f3c \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi \u0111\u1ed9 xuy\u00ean xu\u1ed1ng thay v\u00ec ti\u1ebfp x\u00fac \u0111\u1ea7y \u0111\u1ee7. C\u1ea7n \u00edt l\u1ef1c h\u01a1n.<\/td><\/tr>
Ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n \u00e9p ch\u1eb7t<\/td>V\u1eadt li\u1ec7u b\u1ecb \u00e9p v\u00e0o th\u00e0nh khu\u00f4n \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh g\u00f3c b\u1eb1ng c\u01a1 h\u1ecdc. Bao g\u1ed3m bi\u1ebfn d\u1ea1ng d\u1ebbo tr\u00ean v\u00f9ng r\u1ed9ng h\u01a1n v\u00e0 l\u00e0m ph\u1eb3ng ch\u1ed7 u\u1ed1n.<\/td><\/tr>
D\u1eadp \u00c9p S\u00e1t Khu\u00f4n (Coining)<\/td>D\u1ea1ng c\u1ef1c \u0111oan h\u01a1n c\u1ee7a bottoming; n\u00e9n ho\u00e0n to\u00e0n v\u1eadt li\u1ec7u v\u00e0o h\u00ecnh d\u1ea1ng khu\u00f4n, \u0111\u00f2i h\u1ecfi l\u1ef1c cao h\u01a1n n\u1eefa.<\/td><\/tr>
S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 l\u1ef1c \u00e9p (Tonnage Difference)<\/td>Bottoming c\u00f3 th\u1ec3 c\u1ea7n l\u1ef1c \u00e9p g\u1ea5p 3 \u0111\u1ebfn 5 l\u1ea7n so v\u1edbi air bending cho c\u00f9ng lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 d\u00e0y.<\/td><\/tr>
V\u00ed d\u1ee5 (Th\u00e9p m\u1ec1m 3mm)<\/td>~50 t\u1ea5n cho air bending; bottoming c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 100 t\u1ea5n t\u00f9y thu\u1ed9c v\u00e0o h\u00ecnh d\u1ea1ng khu\u00f4n.<\/td><\/tr>
Sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ee7a ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/td>T\u0103ng l\u1ef1c \u0111\u1ec3 ch\u1ed1ng l\u1ea1i \u0111\u1ed9 \u0111\u00e0n h\u1ed3i (springback) m\u00e0 kh\u00f4ng ki\u1ec3m tra xem m\u00e1y c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c \u00e9p c\u1ee7a bottoming m\u1ed9t c\u00e1ch an to\u00e0n hay kh\u00f4ng.<\/td><\/tr>
So s\u00e1nh th\u1ef1c t\u1ebf<\/td>Gi\u1ed1ng nh\u01b0 k\u00e9o m\u1ed9t r\u01a1-mo\u00f3c c\u00f3 b\u00e1nh xe t\u1ef1 do l\u0103n (air bending) so v\u1edbi k\u00e9o m\u1ed9t r\u01a1-mo\u00f3c b\u1ecb kh\u00f3a phanh (bottoming). C\u00f9ng m\u1ed9t m\u00e1y, nh\u01b0ng nhu c\u1ea7u t\u1ea3i kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3.<\/td><\/tr>
C\u1ea3nh b\u00e1o th\u00f9ng ph\u1ebf li\u1ec7u<\/td>C\u1ed1 \u00e9p g\u00f3c 90\u00b0 ho\u00e0n h\u1ea3o b\u1eb1ng bottoming tr\u00ean m\u00e1y ch\u1ec9 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho air bending c\u00f3 th\u1ec3 l\u00e0m h\u01b0 \u0111\u1ea7u \u0111\u1ed9t, tr\u1ea7y khu\u00f4n, v\u00e0 g\u00e2y cong v\u0129nh vi\u1ec5n cho b\u00e0n m\u00e1y \u2014 ngay c\u1ea3 khi l\u1ef1c \u00e9p v\u1eabn n\u1eb1m trong m\u1ee9c danh ngh\u0129a.<\/td><\/tr>
C\u00e2u h\u1ecfi then ch\u1ed1t<\/td>N\u1ebfu ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n v\u00e0 l\u1ef1a ch\u1ecdn khu\u00f4n thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 y\u00eau c\u1ea7u l\u1ef1c, th\u00ec 10, 20, 30 ho\u1eb7c 50 t\u1ea5n th\u1ef1c s\u1ef1 c\u00f3 ngh\u0129a g\u00ec trong \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf?<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

B\u1ea3ng gi\u1edbi h\u1ea1n th\u1ef1c t\u1ebf: 10, 20, 30 v\u00e0 50 t\u1ea5n th\u1ef1c s\u1ef1 c\u00f3 ngh\u0129a g\u00ec \u0111\u1ed1i v\u1edbi th\u00e9p m\u1ec1m, th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 nh\u00f4m<\/h3>\n\n\n\n

H\u00e3y \u0111\u1eb7t v\u1ea5n \u0111\u1ec1 n\u00e0y trong th\u1ef1c t\u1ebf x\u01b0\u1edfng \u2014 gi\u1ea3 \u0111\u1ecbnh l\u00e0 air bending, chi\u1ec1u r\u1ed9ng khu\u00f4n kho\u1ea3ng g\u1ea5p 8 l\u1ea7n \u0111\u1ed9 d\u00e0y, v\u00e0 d\u00f9ng th\u00e9p m\u1ec1m tr\u1eeb khi c\u00f3 ghi ch\u00fa kh\u00e1c. \u0110\u00e2y ch\u1ec9 l\u00e0 con s\u1ed1 \u01b0\u1edbc l\u01b0\u1ee3ng, kh\u00f4ng ph\u1ea3i cam k\u1ebft qu\u1ea3ng c\u00e1o.<\/p>\n\n\n\n

10 t\u1ea5n<\/strong><\/p>\n\n\n\n

    \n
  • ~1\/16\u2033 (kho\u1ea3ng 1,6 mm) th\u00e9p m\u1ec1m tr\u00ean chi\u1ec1u d\u00e0i 3\u20134 feet (0,9\u20131,2 m)<\/li>\n\n\n\n
  • C\u00e1c \u0111o\u1ea1n u\u1ed1n ng\u1eafn 1\/8\u2033 (3 mm) d\u01b0\u1edbi 2 feet (0,6 m)<\/li>\n<\/ul>\n\n\n\n

    Th\u00e9p kh\u00f4ng g\u1ec9 \u1edf m\u1ee9c n\u00e0y? R\u1ea5t h\u1ea1n ch\u1ebf. Nh\u00f4m? D\u1ec5 d\u00e0ng v\u1edbi c\u00e1c c\u1ee1 m\u1ecfng.<\/p>\n\n\n\n

    20 t\u1ea5n<\/strong><\/p>\n\n\n\n

      \n
    • Th\u00e9p th\u01b0\u1eddng d\u00e0y 1\/8\u2033 tr\u00ean chi\u1ec1u d\u00e0i kho\u1ea3ng 3\u20134 feet<\/li>\n\n\n\n
    • Th\u00e9p th\u01b0\u1eddng d\u00e0y 3mm trong c\u00e1c \u0111o\u1ea1n ng\u1eafn (2\u20133 feet)<\/li>\n<\/ul>\n\n\n\n

      T\u1ea5m th\u00e9p d\u00e0y 3mm d\u00e0i 6 foot \u0111\u1ea7y \u0111\u1ee7? Kh\u00f4ng th\u1ec3. Th\u00e9p kh\u00f4ng g\u1ec9 c\u00f9ng \u0111\u1ed9 d\u00e0y? B\u1ea1n \u0111ang ti\u1ebfn g\u1ea7n \u0111\u1ebfn v\u00f9ng qu\u00e1 t\u1ea3i.<\/p>\n\n\n\n

      30 t\u1ea5n<\/strong><\/p>\n\n\n\n

        \n
      • Th\u00e9p th\u01b0\u1eddng d\u00e0y 3mm tr\u00ean chi\u1ec1u d\u00e0i kho\u1ea3ng 4\u20135 feet<\/li>\n\n\n\n
      • Th\u00e9p kh\u00f4ng g\u1ec9 d\u00e0y 1\/8\u2033 v\u1edbi chi\u1ec1u d\u00e0i v\u1eeba ph\u1ea3i<\/li>\n\n\n\n
      • Nh\u00f4m d\u00e0y 1\/4\u2033 trong c\u00e1c \u0111o\u1ea1n ng\u1eafn<\/li>\n<\/ul>\n\n\n\n

        \u0110\u00e2y l\u00e0 m\u1ee9c m\u00e0 nhi\u1ec1u m\u00e1y u\u1ed1n \u201cgarage\u201d \u0111\u1ea1t \u0111\u01b0\u1ee3c \u2014 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n, nh\u01b0ng ch\u1ec9 khi chi\u1ec1u d\u00e0i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n

        50 t\u1ea5n<\/strong><\/p>\n\n\n\n

          \n
        • Th\u00e9p th\u01b0\u1eddng d\u00e0y 3mm tr\u00ean chi\u1ec1u d\u00e0i 6\u20137 feet<\/li>\n\n\n\n
        • Th\u00e9p kh\u00f4ng g\u1ec9 d\u00e0y 3mm tr\u00ean chi\u1ec1u d\u00e0i t\u01b0\u01a1ng t\u1ef1 v\u1edbi m\u1ed9t ch\u00fat bi\u00ean \u0111\u1ed9<\/li>\n\n\n\n
        • Th\u00e9p th\u01b0\u1eddng d\u00e0y 1\/4\u2033 tr\u00ean c\u00e1c \u0111o\u1ea1n ng\u1eafn h\u01a1n<\/li>\n<\/ul>\n\n\n\n

          Gi\u1edd b\u1ea1n \u0111ang b\u01b0\u1edbc v\u00e0o l\u0129nh v\u1ef1c ch\u1ebf t\u1ea1o th\u1ef1c th\u1ee5 \u2014 nh\u01b0ng v\u1eabn b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi t\u1ea5n tr\u00ean m\u1ed7i foot, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c \u0111o\u1ea1n ng\u1eafn v\u00e0 u\u1ed1n d\u00e0y.<\/p>\n\n\n\n

          H\u00e3y ch\u00fa \u00fd \u0111i\u1ec1u c\u00f2n thi\u1ebfu: kh\u00f4ng con s\u1ed1 n\u00e0o \u0111\u1ee9ng ri\u00eang l\u1ebb. M\u1ed9t m\u00e1y u\u1ed1n 50 t\u1ea5n d\u00e0i 8 foot ch\u1ec9 trung b\u00ecnh h\u01a1n 6 t\u1ea5n m\u1ed7i foot n\u1ebfu l\u1ef1c \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 \u0111\u1ec1u. T\u1eadp trung l\u1ef1c \u0111\u00f3 v\u00e0o \u0111o\u1ea1n u\u1ed1n 2 foot, b\u1ea1n s\u1ebd \u0111\u1ea1t 25 t\u1ea5n m\u1ed7i foot \u2014 ngay t\u1ea1i v\u00f9ng c\u1ea3nh b\u00e1o m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi v\u1eadn h\u00e0nh t\u00f4n tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 b\u00e0n v\u00e0 xi lanh.<\/p>\n\n\n\n

          C\u1ea3nh b\u00e1o th\u00f9ng ph\u1ebf li\u1ec7u: Ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng cho r\u1eb1ng m\u00e1y u\u1ed1n 50 t\u1ea5n ngh\u0129a l\u00e0 \u201ct\u00f4i c\u00f3 th\u1ec3 d\u00f9ng 50 t\u1ea5n \u1edf b\u1ea5t k\u1ef3 \u0111\u00e2u.\u201d Th\u1ef1c t\u1ebf, c\u00e1c \u0111o\u1ea1n u\u1ed1n ng\u1eafn t\u1eadp trung l\u1ef1c v\u00e0 c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n t\u1ea5n\u2011m\u1ed7i\u2011foot an to\u00e0n, d\u00f9 t\u1ed5ng l\u1ef1c c\u00f3 v\u1ebb \u1ed5n. \u0110\u00f3 l\u00e0 l\u00fd do m\u00e1y trong x\u01b0\u1edfng nh\u1ecf l\u1ea1i c\u00f3 nh\u1eefng v\u1ebft \u201cc\u01b0\u1eddi v\u0129nh vi\u1ec5n\u201d tr\u00ean m\u1eb7t b\u00e0n.<\/p>\n\n\n\n

          Gi\u1edd b\u1ea1n c\u00f3 th\u1ec3 t\u00ednh to\u00e1n t\u1ed5ng l\u1ef1c c\u1ea7n thi\u1ebft. B\u1ea1n s\u1ebd th\u1ea5y \u0111\u1ed9 r\u1ed9ng khu\u00f4n v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o. Nh\u01b0ng v\u1eabn c\u00f2n m\u1ed9t c\u00e2u h\u1ecfi ch\u01b0a \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p:<\/p>\n\n\n\n

          N\u1ebfu l\u1ef1c u\u1ed1n y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n \u0111\u1ea1t chu\u1ea9n tr\u00ean gi\u1ea5y t\u1edd, \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi l\u1ef1c \u0111\u00f3 t\u1eadp trung ch\u1ec9 v\u00e0o v\u00e0i inch c\u1ee7a b\u00e0n m\u00e1y?<\/p>\n\n\n\n

          Ngh\u1ecbch l\u00fd Chi\u1ec1u d\u00e0i U\u1ed1n: T\u1ea1i sao \u201cC\u00f4ng su\u1ea5t D\u01b0 Th\u1eeba\u201d l\u1ea1i b\u00ed m\u1eadt l\u00e0m y\u1ebfu m\u00e1y c\u1ee7a b\u1ea1n<\/h2>\n\n\n\n

          H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng hai l\u1ea7n u\u1ed1n.<\/p>\n\n\n\n

          Th\u1ee9 nh\u1ea5t: 20 t\u1ea5n t\u00e1c d\u1ee5ng l\u00ean m\u1ed9t gi\u00e1 \u0111\u1ee1 300mm \u1edf gi\u1eefa b\u00e0n. Th\u1ee9 hai: c\u00f9ng 20 t\u1ea5n \u0111\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 tr\u00ean to\u00e0n t\u1ea5m 1500mm.<\/p>\n\n\n\n

          Tr\u00ean l\u00fd thuy\u1ebft, c\u1ea3 hai \u0111\u1ec1u \u201ctrong kh\u1ea3 n\u0103ng t\u1ea3i.\u201d Nh\u01b0ng trong th\u00e9p, ch\u00fang l\u00e0 nh\u1eefng t\u00ecnh hu\u1ed1ng ho\u00e0n to\u00e0n kh\u00e1c nhau.<\/p>\n\n\n\n

          Khung m\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c d\u1ef1a tr\u00ean gi\u1ea3 \u0111\u1ecbnh l\u1ef1c \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 tr\u00ean kho\u1ea3ng 60% ho\u1eb7c h\u01a1n c\u1ee7a b\u1ec7. \u0110\u00f3 l\u00e0 c\u00e1ch c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u01b0a ra con s\u1ed1 t\u1ea3i tr\u00ean b\u1ea3ng t\u00ean. C\u00e1c u\u1ed1n ng\u1eafn ph\u00e1 v\u1ee1 gi\u1ea3 \u0111\u1ecbnh \u0111\u00f3. T\u1eadp trung 20 t\u1ea5n v\u00e0o 300mm v\u00e0 ch\u1ec9 s\u1ed1 t\u1ea5n tr\u00ean m\u1ed7i foot s\u1ebd t\u0103ng v\u1ecdt. C\u1ed9t v\u00e0 b\u1ec7 kh\u00f4ng c\u1ea3m th\u1ea5y \u201c20 t\u1ea5n t\u1ed5ng c\u1ed9ng.\u201d Ch\u00fang c\u1ea3m nh\u1eadn c\u01b0\u1eddng \u0111\u1ed9 \u1ee9ng su\u1ea5t \u2014 l\u1ef1c chia cho chi\u1ec1u d\u00e0i ho\u1ea1t \u0111\u1ed9ng \u2014 v\u00e0 \u0111\u00f3 l\u00e0 y\u1ebfu t\u1ed1 g\u00e2y ra bi\u1ebfn d\u1ea1ng.<\/p>\n\n\n\n

          Nh\u01b0ng \u0111\u00e2y l\u00e0 \u0111i\u1ec3m xo\u1eafn m\u00e0 ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng b\u1ecf l\u1ee1 trong x\u01b0\u1edfng ch\u1eadt: k\u00e9o d\u00e0i b\u1ec7 m\u00e0 kh\u00f4ng t\u0103ng t\u1ed5ng t\u1ea3i l\u00e0m gi\u1ea3m m\u1eadt \u0111\u1ed9 t\u1ea3i kh\u1ea3 d\u1ee5ng. M\u00e1y nh\u00ecn c\u00f3 v\u1ebb l\u1edbn h\u01a1n, nh\u01b0ng th\u1ef1c t\u1ebf l\u1ea1i y\u1ebfu h\u01a1n \u1edf n\u01a1i quan tr\u1ecdng.<\/p>\n\n\n\n

          \u0110\u00f3 ch\u00ednh l\u00e0 ngh\u1ecbch l\u00fd.<\/p>\n\n\n\n

          N\u00f3 gi\u1ed1ng nh\u01b0 mua m\u1ed9t chi\u1ebfc b\u00e1n t\u1ea3i v\u1edbi c\u00f9ng \u0111\u1ed9ng c\u01a1 nh\u01b0ng tr\u1ee5c c\u01a1 s\u1edf d\u00e0i h\u01a1n nhi\u1ec1u v\u00e0 khung m\u1ec1m h\u01a1n. B\u1ea3ng qu\u1ea3ng c\u00e1o v\u1eabn ghi c\u00f9ng m\u00e3 l\u1ef1c, nh\u01b0ng khi n\u1ed1i m\u1ed9t r\u01a1\u2011mo\u00f3c n\u1eb7ng th\u00ec kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t tr\u1edf n\u00ean l\u1ecfng l\u1ebbo v\u00ec k\u1ebft c\u1ea5u ph\u00e2n t\u00e1n s\u1ee9c m\u1ea1nh \u0111\u00f3 tr\u00ean qu\u00e1 nhi\u1ec1u chi\u1ec1u d\u00e0i. M\u00e3 l\u1ef1c kh\u00f4ng thay \u0111\u1ed5i. Kh\u1ea3 n\u0103ng k\u00e9o th\u1ef1c t\u1ebf th\u00ec gi\u1ea3m.<\/p>\n\n\n\n

          C\u1ea3nh b\u00e1o th\u00f9ng ph\u1ebf li\u1ec7u: T\u00f4i \u0111\u00e3 th\u1ea5y ng\u01b0\u1eddi m\u1edbi ch\u1ea1y theo \u00fd t\u01b0\u1edfng \u201cb\u1ec7 d\u00e0i h\u01a1n \u0111\u1ed3ng ngh\u0129a kh\u1ea3 n\u0103ng l\u1edbn h\u01a1n\u201d, r\u1ed3i b\u1ebf t\u1eafc khi c\u1ed1 u\u1ed1n c\u00e1c gi\u00e1 \u0111\u1ee1 ng\u1eafn, d\u00e0y v\u00ec 20 t\u1ea5n tr\u00ean 1500mm ch\u1ec9 trung b\u00ecnh kho\u1ea3ng 4 t\u1ea5n m\u1ed7i foot. Th\u00e9p kh\u00f4ng quan t\u00e2m \u0111\u1ebfn vi\u1ec7c d\u1ea5u ch\u00e2n m\u00e1y tr\u00f4ng \u1ea5n t\u01b0\u1ee3ng th\u1ebf n\u00e0o trong x\u01b0\u1edfng ch\u1eadt. N\u00f3 ch\u1ec9 ch\u1ea5p nh\u1eadn u\u1ed1n khi l\u1ef1c c\u1ee5c b\u1ed9 \u0111\u1ee7 cao.<\/p>\n\n\n\n

          V\u1eady ranh gi\u1edbi th\u1ef1c s\u1ef1 cho m\u1ed9t thi\u1ebft l\u1eadp t\u1ea1i nh\u00e0 n\u1eb1m \u1edf \u0111\u00e2u?<\/p>\n\n\n\n

          300mm so v\u1edbi 1500mm: N\u01a1i ranh gi\u1edbi th\u1ef1c s\u1ef1 xu\u1ea5t hi\u1ec7n cho x\u01b0\u1edfng t\u1ea1i nh\u00e0<\/h3>\n\n\n\n

          H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t m\u00e1y ch\u1ea5n 20 t\u1ea5n \u0111\u01b0\u1ee3c b\u00e1n v\u1edbi hai phi\u00ean b\u1ea3n: m\u1ed9t c\u00f3 b\u1ec1 r\u1ed9ng l\u00e0m vi\u1ec7c 300mm, m\u1ed9t k\u00e9o d\u00e0i \u0111\u1ebfn 1500mm. C\u00f9ng xi lanh. C\u00f9ng b\u01a1m. C\u00f9ng x\u1ebfp h\u1ea1ng 20 t\u1ea5n.<\/p>\n\n\n\n

          Ch\u1ea1y th\u00e9p m\u1ec1m 3mm, u\u1ed1n tr\u00ean kh\u00f4ng, d\u00f9ng khu\u00f4n ph\u00f9 h\u1ee3p. Tr\u00ean 300mm, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ec9 c\u1ea7n m\u1ed9t ph\u1ea7n c\u00f4ng su\u1ea5t t\u1ed5ng c\u1ed9ng. M\u00e1y c\u00f3 th\u1ec3 t\u1ea1o ra m\u1eadt \u0111\u1ed9 t\u1ea5n tr\u00ean m\u1ed7i foot \u0111\u00e1ng k\u1ec3. Tr\u00ean 1500mm, c\u00f9ng lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u00f3 c\u00f3 th\u1ec3 y\u00eau c\u1ea7u l\u1ef1c m\u00e0 m\u00e1y \u0111\u01a1n gi\u1ea3n kh\u00f4ng th\u1ec3 ph\u00e2n ph\u1ed1i \u0111\u1ec1u. B\u1ea1n b\u1ecb k\u1eb9t tr\u01b0\u1edbc khi \u0111\u1ea1t \u0111\u01b0\u1ee3c g\u00f3c.<\/p>\n\n\n\n

          Hai m\u01b0\u01a1i t\u1ea5n tr\u00ean 300mm l\u00e0 m\u1ed9t c\u00e2u chuy\u1ec7n kh\u00e1c ho\u00e0n to\u00e0n so v\u1edbi hai m\u01b0\u01a1i t\u1ea5n tr\u00ean 1000mm \u2014 th\u00e9p ch\u1ec9 quan t\u00e2m \u0111\u1ebfn l\u1ef1c tr\u00ean m\u1ed7i milim\u00e9t.<\/p>\n\n\n\n

          Gi\u1edd h\u00e3y ngh\u0129 v\u1ec1 c\u00e1c u\u1ed1n ng\u1eafn tr\u00ean m\u00e1y d\u00e0i. Gi\u1ea3 s\u1eed b\u1ea1n \u0111\u1eb7t m\u1ed9t gi\u00e1 \u0111\u1ee1 200mm \u1edf gi\u1eefa v\u00e0 \u00e9p g\u1ea7n h\u1ebft 20 t\u1ea5n. B\u1ea1n v\u1eeba t\u1ea1o ra m\u1ed9t s\u1ef1 ki\u1ec7n m\u1eadt \u0111\u1ed9 c\u1ee5c b\u1ed9 cao. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ea3nh b\u00e1o r\u1eb1ng c\u00e1c t\u1eadp trung c\u1ef1c \u0111oan \u2014 nh\u01b0 80 t\u1ea5n tr\u00ean 200mm \u1edf c\u00e1c m\u00e1y ch\u1ea5n c\u00f4ng nghi\u1ec7p l\u1edbn h\u01a1n \u2014 c\u00f3 th\u1ec3 l\u00e0m bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n b\u1ec7 ngay c\u1ea3 khi t\u1ed5ng t\u1ea3i d\u01b0\u1edbi m\u1ee9c ghi tr\u00ean b\u1ea3ng t\u00ean. V\u00ec sao? B\u1edfi v\u00ec c\u00e1c m\u1ee9c t\u1ea3i gi\u1ea3 \u0111\u1ecbnh s\u1ef1 ph\u00e2n b\u1ed1 r\u1ed9ng, kh\u00f4ng ph\u1ea3i m\u1ed9t c\u00fa \u0111\u1ea5m b\u00faa v\u00e0o m\u1ed9t v\u00f9ng nh\u1ecf.<\/p>\n\n\n\n

          Trong x\u01b0\u1edfng ch\u1eadt, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 c\u1ea3 hai c\u1ef1c \u0111\u1ec1u nguy hi\u1ec3m:<\/p>\n\n\n\n

            \n
          • B\u1ec7 qu\u00e1 d\u00e0i v\u1edbi t\u1ea3i qu\u00e1 th\u1ea5p, b\u1ea1n kh\u00f4ng th\u1ec3 t\u1ea1o \u0111\u1ee7 m\u1eadt \u0111\u1ed9 \u0111\u1ec3 u\u1ed1n v\u1eadt li\u1ec7u d\u00e0y h\u01a1n.<\/li>\n\n\n\n
          • L\u1ef1c c\u1ee5c b\u1ed9 qu\u00e1 l\u1edbn tr\u00ean khung d\u00e0i, nh\u1eb9, v\u00e0 b\u1ea1n s\u1ebd t\u1ea1o ra m\u1ed9t \u201cn\u1ee5 c\u01b0\u1eddi\u201d v\u0129nh vi\u1ec5n tr\u00ean b\u1ec7.<\/li>\n<\/ul>\n\n\n\n

            C\u1ea3nh b\u00e1o th\u00f9ng ph\u1ebf li\u1ec7u: Mua phi\u00ean b\u1ea3n 1500mm \u201c\u0111\u1ec3 ph\u00f2ng\u201d m\u00e0 kh\u00f4ng t\u0103ng t\u1ea3i l\u00e0 c\u00e1ch ng\u01b0\u1eddi m\u1edbi tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 u\u1ed1n gi\u00e1 \u0111\u1ee1 1\/4\u2033 m\u00e0 h\u1ecd ngh\u0129 l\u00e0 d\u1ec5 \u2014 ho\u1eb7c t\u1ec7 h\u01a1n, h\u1ecd t\u0103ng \u00e1p l\u1ef1c l\u00ean c\u00e1c m\u1ea3nh ng\u1eafn v\u00e0 \u00e2m th\u1ea7m l\u00e0m cong khung.<\/p>\n\n\n\n

            V\u1eady \u0111i\u1ec1u g\u00ec th\u1ef1c s\u1ef1 h\u1ecfng khi 20 t\u1ea5n ho\u1ea1t \u0111\u1ed9ng \u1edf 300mm nh\u01b0ng ngh\u1eb9t \u1edf 1000mm?<\/p>\n\n\n\n

            M\u1eadt \u0111\u1ed9 t\u1ea3i: V\u00ec sao 20 t\u1ea5n ph\u00e2n b\u1ed1 tr\u00ean 1000mm th\u1ea5t b\u1ea1i \u1edf n\u01a1i 300mm th\u00e0nh c\u00f4ng<\/h3>\n\n\n\n

            H\u00e3y gi\u1ea3n l\u01b0\u1ee3c n\u00f3 th\u00e0nh con s\u1ed1.<\/p>\n\n\n\n

            Gi\u1ea3 s\u1eed t\u1ed1i \u0111a 20 t\u1ea5n. Tr\u00ean 1000mm (kho\u1ea3ng 3,3 foot), \u0111i\u1ec1u \u0111\u00f3 trung b\u00ecnh kho\u1ea3ng 6 t\u1ea5n m\u1ed7i foot n\u1ebfu ph\u00e2n b\u1ed1 \u0111\u1ec1u. Tr\u00ean 300mm (kho\u1ea3ng 1 foot), b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o g\u1ea7n 20 t\u1ea5n m\u1ed7i foot \u2014 n\u1ebfu k\u1ebft c\u1ea5u ch\u1ecbu \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

            \u0110\u00f3 l\u00e0 nh\u1eefng \u0111i\u1ec1u ki\u1ec7n \u1ee9ng su\u1ea5t ho\u00e0n to\u00e0n kh\u00e1c nhau.<\/p>\n\n\n\n

            B\u1ea3ng th\u00f4ng s\u1ed1 ghi \u201ckh\u1ea3 n\u0103ng \u00bc inch\u201d. Nh\u01b0ng nh\u1eefng ng\u01b0\u1eddi v\u1eadn h\u00e0nh gi\u00e0u kinh nghi\u1ec7m th\u01b0\u1eddng gi\u1edbi h\u1ea1n kho\u1ea3ng 25 t\u1ea5n m\u1ed7i foot \u1edf c\u00e1c \u0111o\u1ea1n ng\u1eafn \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng b\u00e0n v\u00e0 thanh tr\u01b0\u1ee3t. Gi\u1edbi h\u1ea1n \u0111\u00f3 kh\u00f4ng ph\u1ea3i m\u00ea t\u00edn; n\u00f3 l\u00e0 c\u01a1 h\u1ecdc k\u1ebft c\u1ea5u. Thanh tr\u01b0\u1ee3t ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t d\u1ea7m. \u0110\u1ed9 v\u00f5ng c\u1ee7a d\u1ea7m t\u0103ng l\u00ean khi t\u1ea3i v\u00e0 chi\u1ec1u d\u00e0i nh\u1ecbp t\u0103ng. Ph\u00e2n t\u00e1n c\u00f9ng m\u1ed9t t\u1ea3i tr\u00ean m\u1ed9t chi\u1ec1u d\u00e0i ho\u1ea1t \u0111\u1ed9ng d\u00e0i h\u01a1n s\u1ebd gi\u1ea3m \u1ee9ng su\u1ea5t u\u1ed1n c\u1ee5c b\u1ed9 \u2014 nh\u01b0ng c\u0169ng gi\u1ea3m \u00e1p l\u1ef1c kh\u1ea3 d\u1ee5ng tr\u00ean m\u1ed7i inch \u0111\u1ec3 v\u01b0\u1ee3t qua gi\u1edbi h\u1ea1n ch\u1ea3y c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

            Trong th\u1ef1c t\u1ebf, c\u00e1c \u0111o\u1ea1n u\u1ed1n ng\u1eafn t\u1eadp trung l\u1ef1c v\u00e0 c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n t\u1ea5n m\u1ed7i foot an to\u00e0n, ngay c\u1ea3 khi t\u1ed5ng s\u1ed1 t\u1ea5n c\u00f3 v\u1ebb \u1ed5n.<\/p>\n\n\n\n

            Gi\u1edd th\u00eam v\u1eadt li\u1ec7u v\u00e0o \u0111\u00f3. U\u1ed1n th\u00e9p nh\u1eb9 d\u00e0y 3mm tr\u00ean chi\u1ec1u d\u00e0i 2000mm c\u00f3 th\u1ec3 c\u1ea7n kho\u1ea3ng 50 t\u1ea5n. Th\u00e9p kh\u00f4ng g\u1ec9 v\u1edbi c\u00f9ng \u0111\u1ed9 d\u00e0y c\u00f3 th\u1ec3 t\u0103ng v\u1ecdt v\u00ec gi\u1edbi h\u1ea1n k\u00e9o cao h\u01a1n. Nh\u00f4m th\u00ec gi\u1ea3m th\u1ea5p h\u01a1n. Ch\u1ec9 d\u1ef1a v\u00e0o m\u1eadt \u0111\u1ed9 kh\u00f4ng d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 \u2014 n\u00f3 t\u01b0\u01a1ng t\u00e1c v\u1edbi \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 r\u1ed9ng khu\u00f4n \u2014 nh\u01b0ng n\u1ebfu kh\u00f4ng \u0111\u1ee7 t\u1ea5n m\u1ed7i foot, kh\u00f4ng v\u1eadt li\u1ec7u n\u00e0o u\u1ed1n g\u1ecdn g\u00e0ng. B\u1ea1n s\u1ebd u\u1ed1n thi\u1ebfu ho\u1eb7c b\u1ecb d\u1eebng.<\/p>\n\n\n\n

            H\u00e3y h\u00ecnh dung gi\u1ed1ng nh\u01b0 k\u00e9o h\u00e0ng: 20 t\u1ea5n l\u00e0 c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 c\u1ee7a b\u1ea1n. Chi\u1ec1u d\u00e0i u\u1ed1n l\u00e0 chi\u1ec1u d\u00e0i xe mo\u00f3c ph\u00e2n ph\u1ed1i l\u1ef1c k\u00e9o \u0111\u00f3. K\u00e9o xe mo\u00f3c qu\u00e1 d\u00e0i m\u00e0 kh\u00f4ng t\u0103ng th\u00eam c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 th\u00ec b\u1ea1n kh\u00f4ng th\u1ec3 v\u01b0\u1ee3t qua l\u1ef1c c\u1ea3n l\u0103n khi l\u00ean d\u1ed1c. R\u00fat ng\u1eafn l\u1ea1i th\u00ec c\u00f9ng \u0111\u1ed9ng c\u01a1 l\u1ea1i th\u1ea5y m\u1ea1nh \u2014 cho \u0111\u1ebfn khi b\u1ea1n m\u00f3c m\u1ed9t \u0111\u1ea7u mo\u00f3c nh\u1ecf nh\u01b0ng si\u00eau n\u1eb7ng khi\u1ebfn \u0111i\u1ec3m n\u1ed1i b\u1ecb qu\u00e1 t\u1ea3i.<\/p>\n\n\n\n

            C\u1ea3nh b\u00e1o Th\u00f9ng Ph\u1ebf Li\u1ec7u: Ng\u01b0\u1eddi m\u1edbi trong x\u01b0\u1edfng h\u1eb9p th\u01b0\u1eddng t\u00ednh to\u00e1n \u0111\u00fang t\u1ed5ng s\u1ed1 t\u1ea5n, sau \u0111\u00f3 b\u1ecf qua vi\u1ec7c m\u00e1y c\u1ee7a h\u1ecd c\u00f3 th\u1ec3 cung c\u1ea5p l\u1ef1c \u0111\u00f3 m\u1ed7i foot tr\u00ean chi\u1ec1u d\u00e0i u\u1ed1n d\u1ef1 ki\u1ebfn hay kh\u00f4ng. K\u1ebft qu\u1ea3 th\u00ec kh\u00f4ng tinh t\u1ebf \u2014 g\u00f3c u\u1ed1n kh\u00f4ng \u0111\u1ec1u, th\u1ee7y l\u1ef1c c\u0103ng, ho\u1eb7c m\u00e1y \u00e9p d\u1eebng gi\u1eefa ch\u1eebng.<\/p>\n\n\n\n

            V\u00ec v\u1eady, ngay c\u1ea3 khi b\u1ea1n t\u00ednh \u0111\u00fang t\u1ea5n v\u00e0 chi\u1ec1u d\u00e0i, v\u1eabn c\u00f2n m\u1ed9t c\u00e1i b\u1eaby kh\u00e1c \u2014 d\u1ee5ng c\u1ee5 c\u1ee7a b\u1ea1n c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi h\u00ecnh d\u1ea1ng n\u00e0y kh\u00f4ng?<\/p>\n\n\n\n

            B\u1eaby D\u1ee5ng C\u1ee5: Li\u1ec7u C\u00e1c Khu\u00f4n v\u00e0 \u0110\u1ed9t Ti\u00eau Chu\u1ea9n C\u00f3 L\u1eafp V\u1eeba B\u00e0n Si\u00eau Ng\u1eafn?<\/h3>\n\n\n\n

            Thu nh\u1ecf b\u00e0n \u0111\u1ec3 ch\u1ea1y theo m\u1eadt \u0111\u1ed9 cao h\u01a1n, v\u00e0 h\u00ecnh h\u1ecdc b\u1eaft \u0111\u1ea7u ch\u1ed1ng l\u1ea1i b\u1ea1n.<\/p>\n\n\n\n

            D\u1ee5ng c\u1ee5 m\u00e1y \u00e9p ti\u00eau chu\u1ea9n gi\u1ea3 \u0111\u1ecbnh kho\u1ea3ng s\u00e1ng (kho\u1ea3ng m\u1edf \u0111\u1ee9ng), \u0111\u1ed9 s\u00e2u h\u1ecdng v\u00e0 chi\u1ec1u r\u1ed9ng k\u1eb9p nh\u1ea5t \u0111\u1ecbnh. M\u00e1y b\u00e0n si\u00eau ng\u1eafn v\u1edbi kho\u1ea3ng s\u00e1ng h\u1ea1n ch\u1ebf c\u00f3 th\u1ec3 ng\u0103n b\u1ea1n l\u1eafp c\u00e1c \u0111\u1ed9t ti\u00eau cao h\u01a1n ho\u1eb7c khu\u00f4n V r\u1ed9ng h\u01a1n c\u1ea7n cho v\u1eadt li\u1ec7u d\u00e0y. B\u1ea1n \u0111\u00e3 gi\u1ea3i quy\u1ebft m\u1eadt \u0111\u1ed9 t\u1ea5n. Gi\u1edd d\u1ee5ng c\u1ee5 l\u1ea1i kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

            T\u1ec7 h\u01a1n, b\u00e0n ng\u1eafn h\u01a1n th\u01b0\u1eddng c\u00f3 \u00edt \u0111i\u1ec3m h\u1ed7 tr\u1ee3 h\u01a1n. \u0110\u1ed9 v\u00f5ng c\u1ee7a d\u1ee5ng c\u1ee5 t\u0103ng l\u00ean n\u1ebfu h\u1ec7 th\u1ed1ng k\u1eb9p kh\u00f4ng c\u1ee9ng. \u0110i\u1ec1u \u0111\u00f3 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc m\u1edf c\u1ee7a khu\u00f4n d\u01b0\u1edbi t\u1ea3i, v\u00e0 thay \u0111\u1ed5i l\u01b0\u1ee3ng t\u1ea5n c\u1ea7n gi\u1eefa h\u00e0nh tr\u00ecnh. Nh\u1edb khi chuy\u1ec3n t\u1eeb khu\u00f4n V 2\u2033 sang 3\u2033 \u0111\u00e3 l\u00e0m l\u1ef1c t\u1eeb 197 t\u1ea5n xu\u1ed1ng c\u00f2n 139 t\u1ea5n tr\u00ean 10 feet? H\u00ecnh h\u1ecdc khu\u00f4n \u00e2m th\u1ea7m vi\u1ebft l\u1ea1i ph\u01b0\u01a1ng tr\u00ecnh l\u1ef1c c\u1ee7a b\u1ea1n. N\u1ebfu m\u00e1y nh\u1ecf g\u1ecdn gi\u1edbi h\u1ea1n l\u1ef1a ch\u1ecdn khu\u00f4n, n\u00f3 gi\u1edbi h\u1ea1n c\u00f4ng su\u1ea5t th\u1ef1c b\u1ea5t k\u1ec3 th\u00f4ng s\u1ed1 t\u1ea5n ch\u00ednh.<\/p>\n\n\n\n

            C\u1ea3nh b\u00e1o Th\u00f9ng Ph\u1ebf Li\u1ec7u: T\u00f4i \u0111\u00e3 th\u1ea5y ng\u01b0\u1eddi m\u1edbi mua m\u00e1y \u00e9p ng\u1eafn, t\u1ea5n cao cho x\u01b0\u1edfng h\u1eb9p, r\u1ed3i m\u1edbi bi\u1ebft \u0111\u1ed9t ti\u00eau gooseneck h\u1ecd \u0111\u1ecbnh d\u00f9ng kh\u00f4ng l\u1ecdt khung \u2014 n\u00ean h\u1ecd \u0111\u1ed5i sang khu\u00f4n h\u1eb9p h\u01a1n \u0111\u1ec3 \u201ccho v\u1eeba\u201d v\u00e0 v\u00f4 t\u00ecnh t\u0103ng g\u1ea5p \u0111\u00f4i nhu c\u1ea7u t\u1ea5n m\u1ed7i foot.<\/p>\n\n\n\n

            Dung l\u01b0\u1ee3ng chi\u1ec1u d\u00e0i l\u1edbn h\u01a1n nghe c\u00f3 v\u1ebb linh ho\u1ea1t. Trong th\u1ef1c t\u1ebf, n\u1ebfu kh\u00f4ng kh\u1edbp t\u1ea5n v\u00e0 \u0111\u1ed9 c\u1ee9ng k\u1ebft c\u1ea5u, n\u00f3 l\u00e0m lo\u00e3ng l\u1ef1c v\u1ed1n khi\u1ebfn th\u00e9p di chuy\u1ec3n.<\/p>\n\n\n\n

            V\u00e0 khi b\u1ea1n ch\u1ea5p nh\u1eadn r\u1eb1ng m\u1eadt \u0111\u1ed9 \u2014 kh\u00f4ng ch\u1ec9 t\u1ed5ng t\u1ea5n hay k\u00edch th\u01b0\u1edbc b\u00e0n \u2014 quy\u1ebft \u0111\u1ecbnh li\u1ec7u m\u00e1y \u00e9p c\u00f3 u\u1ed1n \u0111\u01b0\u1ee3c hay s\u1ebd b\u1ecb k\u1eb9t, c\u00e2u h\u1ecfi ti\u1ebfp theo tr\u1edf n\u00ean r\u00f5 r\u00e0ng:<\/p>\n\n\n\n

            H\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng c\u1ee7a m\u00e1y th\u1ef1c s\u1ef1 t\u1ea1o v\u00e0 ki\u1ec3m so\u00e1t l\u1ef1c d\u01b0\u1edbi t\u1ea3i nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n\n\n\n

            Th\u1ee7y L\u1ef1c vs. Servo-\u0110i\u1ec7n: H\u1ec7 Truy\u1ec1n \u0110\u1ed9ng N\u00e0o S\u1ed1ng S\u00f3t Trong M\u00f4i Tr\u01b0\u1eddng Garage?<\/h2>\n\n\n\n

            H\u00e3y h\u00ecnh dung m\u1ed9t m\u00e1y \u00e9p th\u1ee7y l\u1ef1c 40 t\u1ea5n trong x\u01b0\u1edfng h\u1eb9p. B\u1ea1n nh\u1ea5n b\u00e0n \u0111\u1ea1p ch\u00e2n. \u0110\u1ed9ng c\u01a1 kh\u1edfi \u0111\u1ed9ng v\u1edbi c\u00fa gi\u1eadt \u0111i\u1ec7n m\u1ea1nh, b\u01a1m quay l\u00ean, d\u1ea7u \u0111\u01b0\u1ee3c n\u00e9n \u00e1p l\u1ef1c, v\u00e0 thanh tr\u01b0\u1ee3t b\u1eaft \u0111\u1ea7u \u0111i xu\u1ed1ng. L\u1ef1c \u0111\u00f3 kh\u00f4ng \u0111\u1ebfn t\u1eeb tr\u1ee5c v\u00edt quay hay h\u1ed9p s\u1ed1. N\u00f3 l\u00e0 d\u1ea7u b\u1ecb k\u1eb9t d\u01b0\u1edbi \u00e1p su\u1ea5t, nh\u00e2n \u0111\u1ea7u v\u00e0o c\u1ee7a \u0111\u1ed9ng c\u01a1 qua di\u1ec7n t\u00edch piston.<\/p>\n\n\n\n

            Gi\u1edd h\u00ecnh dung m\u1ed9t m\u00e1y \u00e9p servo-\u0111i\u1ec7n 40 t\u1ea5n. Kh\u00f4ng d\u1ea7u. Kh\u00f4ng b\u01a1m tu\u1ea7n ho\u00e0n. M\u1ed9t \u0111\u1ed9ng c\u01a1 servo quay tr\u1ee5c v\u00edt bi, chuy\u1ec3n \u0111\u1ed9ng quay th\u00e0nh l\u1ef1c th\u1eb3ng c\u1ee7a thanh tr\u01b0\u1ee3t. M\u00f4-men xo\u1eafn tr\u1edf th\u00e0nh l\u1ef1c \u0111\u1ea9y tr\u1ef1c ti\u1ebfp qua chuy\u1ec3n \u0111\u1ed5i c\u01a1 h\u1ecdc.<\/p>\n\n\n\n

            C\u00f9ng th\u00f4ng s\u1ed1 t\u1ea5n tr\u00ean nh\u00e3n. Hai c\u00e1ch ho\u00e0n to\u00e0n kh\u00e1c nhau \u0111\u1ec3 t\u1ea1o v\u00e0 ki\u1ec3m so\u00e1t l\u1ef1c.<\/p>\n\n\n\n

            H\u1ec7 th\u1ee7y l\u1ef1c t\u1ea1o l\u1ef1c b\u1eb1ng \u00e1p su\u1ea5t tr\u00ean di\u1ec7n t\u00edch. T\u0103ng \u00e1p su\u1ea5t, t\u0103ng t\u1ea5n. Thanh tr\u01b0\u1ee3t kh\u00f4ng quan t\u00e2m b\u01a1m \u0111\u1ea1t \u00e1p su\u1ea5t nhanh hay ch\u1eadm \u2014 m\u1ed9t khi \u00e1p su\u1ea5t \u0111\u00e3 t\u1ea1o, n\u00f3 c\u00f3 th\u1ec3 gi\u1eef \u1ed5n \u0111\u1ecbnh, ngay c\u1ea3 \u1edf cu\u1ed1i h\u00e0nh tr\u00ecnh. \u0110i\u1ec1u \u0111\u00f3 quan tr\u1ecdng khi b\u1ea1n ch\u1ed1ng l\u1ea1i hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00e0n h\u1ed3i ng\u01b0\u1ee3c trong th\u00e9p d\u00e0y. Servo-\u0111i\u1ec7n t\u1ea1o l\u1ef1c t\u1eeb m\u00f4-men xo\u1eafn c\u1ee7a \u0111\u1ed9ng c\u01a1. M\u00f4-men xo\u1eafn \u0111\u1ea1t \u0111\u1ec9nh trong gi\u1edbi h\u1ea1n x\u00e1c \u0111\u1ecbnh. Khi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n b\u00e1o b\u1ea1n \u1edf m\u1ee9c m\u00f4-men t\u1ed1i \u0111a, \u0111\u00f3 l\u00e0 h\u1ebft. Kh\u00f4ng c\u00f3 chuy\u1ec7n \u201c\u1ea5n th\u00eam ch\u00fat n\u1eefa.\u201d<\/p>\n\n\n\n

            \u0110\u00e2y l\u00e0 n\u01a1i m\u1eadt \u0111\u1ed9 t\u1ea3i tr\u1ecdng g\u1eb7p th\u1ef1c t\u1ebf. B\u1ea1n \u0111\u00e3 bi\u1ebft r\u1eb1ng 20 t\u1ea5n tr\u1ea3i m\u1ecfng th\u00ec v\u00f4 d\u1ee5ng. Gi\u1edd th\u00eam \u0111i\u1ec1u n\u00e0y: n\u1ebfu h\u1ec7 th\u1ed1ng d\u1eabn \u0111\u1ed9ng c\u1ee7a b\u1ea1n kh\u00f4ng th\u1ec3 duy tr\u00ec l\u1ef1c \u0111\u1ec9nh khi ch\u1ecbu t\u1ea3i \u2014 kh\u00f4ng ch\u1ec9 qu\u1ea3ng c\u00e1o \u2014 th\u00ec m\u1eadt \u0111\u1ed9 s\u1ebd s\u1ee5p \u0111\u1ed5 trong th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

            M\u1ed9t chi\u1ebfc phanh kh\u00f4ng th\u1ec3 cung c\u1ea5p t\u1ea3i tr\u1ecdng \u0111\u1ecbnh m\u1ee9c tr\u00ean b\u1ea3ng \u0111i\u1ec7n c\u1ee7a b\u1ea1n ch\u1ec9 l\u00e0 m\u00f3n n\u1ed9i th\u1ea5t x\u01b0\u1edfng \u0111\u1eaft \u0111\u1ecf.<\/p>\n\n\n\n

            V\u1eady h\u1ec7 d\u1eabn \u0111\u1ed9ng n\u00e0o th\u1ef1c s\u1ef1 s\u1ed1ng s\u00f3t trong x\u01b0\u1edfng ch\u1eadt h\u1eb9p?<\/p>\n\n\n\n

            B\u1ea3ng \u0111i\u1ec7n c\u1ee7a b\u1ea1n c\u00f3 th\u1ef1c s\u1ef1 ch\u1ecbu n\u1ed5i c\u00fa t\u0103ng d\u00f2ng khi b\u01a1m th\u1ee7y l\u1ef1c kh\u1edfi \u0111\u1ed9ng?<\/h3>\n\n\n\n

            M\u1ed9t chi\u1ebfc phanh th\u1ee7y l\u1ef1c 40 t\u1ea5n \u0111i\u1ec3n h\u00ecnh c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ed9ng c\u01a1 5 \u0111\u1ebfn 7,5 m\u00e3 l\u1ef1c. \u1ede 240V pha \u0111\u01a1n \u2014 th\u1ee9 m\u00e0 h\u1ea7u h\u1ebft c\u00e1c gara c\u00f3 \u2014 \u0111\u1ed9ng c\u01a1 \u0111\u00f3 c\u00f3 th\u1ec3 h\u00fat l\u01b0\u1ee3ng d\u00f2ng \u0111i\u1ec7n g\u1ea5p 3\u20135 l\u1ea7n d\u00f2ng ch\u1ea1y b\u00ecnh th\u01b0\u1eddng trong ch\u1ed1c l\u00e1t khi kh\u1edfi \u0111\u1ed9ng. N\u1ebfu d\u00f2ng ch\u1ea1y kho\u1ea3ng 20\u201330 ampe, d\u00f2ng kh\u1edfi \u0111\u1ed9ng c\u00f3 th\u1ec3 t\u0103ng v\u1ecdt cao h\u01a1n nhi\u1ec1u.<\/p>\n\n\n\n

            N\u1ebfu b\u1ea3ng \u0111i\u1ec7n c\u1ee7a b\u1ea1n ch\u1ec9 60 ampe t\u1ed5ng cho c\u1ea3 x\u01b0\u1edfng, bao g\u1ed3m \u0111\u00e8n, m\u00e1y n\u00e9n kh\u00ed v\u00e0 m\u00e1y s\u01b0\u1edfi, th\u00ec c\u00fa t\u0103ng d\u00f2ng kh\u1edfi \u0111\u1ed9ng s\u1ebd quan tr\u1ecdng.<\/p>\n\n\n\n

            H\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c gi\u1ed1ng nh\u01b0 kh\u1edfi \u0111\u1ed9ng m\u1ed9t xe k\u00e9o n\u1eb7ng t\u1eeb tr\u1ea1ng th\u00e1i \u0111\u1ee9ng y\u00ean. \u0110\u1ed9ng c\u01a1 c\u1ea7n m\u1ed9t ng\u1ee5m nhi\u00ean li\u1ec7u \u0111\u1ec3 v\u01b0\u1ee3t qua qu\u00e1n t\u00ednh. Khi \u0111\u00e3 l\u0103n b\u00e1nh, n\u00f3 \u1ed5n \u0111\u1ecbnh. Nh\u01b0ng c\u00fa \u0111\u00e1nh ban \u0111\u1ea7u c\u00f3 th\u1ec3 l\u00e0m n\u1ea3y c\u1ea7u dao n\u1ebfu h\u1ec7 th\u1ed1ng d\u00e2y c\u1ee7a b\u1ea1n y\u1ebfu ho\u1eb7c d\u00f9ng chung.<\/p>\n\n\n\n

            C\u1ea3nh b\u00e1o Th\u00f9ng Ph\u1ebf Li\u1ec7u: T\u00f4i \u0111\u00e3 t\u1eebng th\u1ea5y ng\u01b0\u1eddi m\u1edbi trong x\u01b0\u1edfng ch\u1eadt h\u1eb9p mua m\u1ed9t chi\u1ebfc phanh th\u1ee7y l\u1ef1c c\u0169 gi\u00e1 r\u1ebb, n\u1ed1i v\u00e0o b\u1ea3ng \u0111i\u1ec7n ph\u1ee5 qu\u00e1 nh\u1ecf, r\u1ed3i th\u1eafc m\u1eafc v\u00ec sao c\u1ea7u dao nh\u1ea3y m\u1ed7i ba chu k\u1ef3. H\u1ecd \u0111\u1ed5 l\u1ed7i cho m\u00e1y m\u00f3c. V\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf n\u1ec1n t\u1ea3ng \u0111i\u1ec7n.<\/p>\n\n\n\n

            \u0110\u00e2y l\u00e0 \u0111i\u1ec3m xo\u1eafn m\u00e0 ng\u01b0\u1eddi m\u1edbi hay b\u1ecf qua. Khi \u0111\u00e3 ch\u1ea1y, th\u1ee7y l\u1ef1c kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng ti\u00eau th\u1ee5 to\u00e0n b\u1ed9 c\u00f4ng su\u1ea5t li\u00ean t\u1ee5c. B\u01a1m chu k\u1ef3. \u00c1p su\u1ea5t t\u0103ng. \u0110\u1ed9ng c\u01a1 c\u00f3 th\u1ec3 ch\u1ea1y kh\u00f4ng t\u1ea3i ho\u1eb7c gi\u1ea3m t\u1ea3i gi\u1eefa c\u00e1c l\u1ea7n u\u1ed1n. M\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng h\u00e0ng ng\u00e0y c\u00f3 th\u1ec3 cao h\u01a1n t\u1ed5ng th\u1ec3 so v\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, nh\u01b0ng m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n li\u00ean t\u1ee5c t\u1ed1i \u0111a tr\u00ean m\u1ed7i t\u1ea5n l\u1ef1c cung c\u1ea5p c\u00f3 th\u1ec3 l\u1ea1i \u01b0u ti\u00ean cho th\u1ee7y l\u1ef1c trong m\u1ed9t s\u1ed1 c\u1ea5u h\u00ecnh v\u00ec l\u1ef1c \u0111\u1ebfn t\u1eeb s\u1ef1 nh\u00e2n l\u1ef1c c\u1ee7a th\u1ee7y l\u1ef1c, kh\u00f4ng ph\u1ea3i m\u00f4-men \u0111\u1ed9ng c\u01a1 cao li\u00ean t\u1ee5c.<\/p>\n\n\n\n

            N\u1ebfu d\u1ecbch v\u1ee5 \u0111i\u1ec7n c\u1ee7a b\u1ea1n v\u1eeba ph\u1ea3i nh\u01b0ng \u1ed5n \u0111\u1ecbnh, m\u1ed9t b\u1ed9 th\u1ee7y l\u1ef1c \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc \u0111\u00fang c\u00e1ch k\u00e8m kh\u1edfi \u0111\u1ed9ng m\u1ec1m ho\u1eb7c b\u1ed9 chuy\u1ec3n pha c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. N\u1ebfu b\u1ea3ng \u0111i\u1ec7n c\u1ee7a b\u1ea1n \u0111\u00e3 \u0111\u1ea7y t\u1ea3i, kh\u00f4ng h\u1ec7 d\u1eabn \u0111\u1ed9ng n\u00e0o c\u1ee9u \u0111\u01b0\u1ee3c b\u1ea1n.<\/p>\n\n\n\n

            V\u1eady \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 servo\u2011\u0111i\u1ec7n tr\u00e1nh ho\u00e0n to\u00e0n v\u1ea5n \u0111\u1ec1 t\u0103ng d\u00f2ng kh\u00f4ng?<\/p>\n\n\n\n

            Gi\u00e1 tr\u1ecb c\u1ee7a Servo-\u0110i\u1ec7n: C\u00e1c l\u1ea7n u\u1ed1n s\u1ea1ch, motor h\u00f3a c\u00f3 \u0111\u00e1ng g\u1ea5p \u0111\u00f4i gi\u00e1?<\/h3>\n\n\n\n

            \u0110\u1ee9ng b\u00ean c\u1ea1nh m\u1ed9t chi\u1ebfc phanh servo\u2011\u0111i\u1ec7n khi \u0111ang chu k\u1ef3. N\u00f3 y\u00ean t\u0129nh. Kh\u00f4ng ti\u1ebfng h\u00fa b\u01a1m. Ch\u00e0y di chuy\u1ec3n v\u1edbi \u0111\u1ed9 ki\u1ec3m so\u00e1t tinh vi. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t b\u00e1o c\u00e1o \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ecbnh v\u1ecb \u1edf m\u1ee9c micron \u2014 kho\u1ea3ng 1 micron so v\u1edbi kho\u1ea3ng 10 micron \u0111i\u1ec3n h\u00ecnh c\u1ee7a th\u1ee7y l\u1ef1c. Th\u1eddi gian chu k\u1ef3 c\u00f3 th\u1ec3 nhanh h\u01a1n 30% v\u00ec kh\u00f4ng c\u00f3 \u0111\u1ed9 tr\u1ec5 do n\u00e9n d\u1ea7u.<\/p>\n\n\n\n

            Trong c\u00e1c x\u01b0\u1edfng s\u1ea3n xu\u1ea5t u\u1ed1n inox m\u1ecfng c\u1ea3 ng\u00e0y, \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u00f3 \u0111em l\u1ea1i l\u1ee3i \u00edch.<\/p>\n\n\n\n

            Nh\u01b0ng h\u00e3y xem \u0111\u01b0\u1eddng cong l\u1ef1c. Servo\u2011\u0111i\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o gi\u1edbi h\u1ea1n m\u00f4-men c\u1ee7a \u0111\u1ed9ng c\u01a1. Khi b\u1ea1n ti\u1ebfn g\u1ea7n c\u00f4ng su\u1ea5t t\u1ed1i \u0111a \u2014 \u0111\u1eb7c bi\u1ec7t v\u1edbi th\u00e9p m\u1ec1m d\u00e0y \u2014 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n s\u1ebd gi\u1edbi h\u1ea1n \u0111\u1ea7u ra \u0111\u1ec3 b\u1ea3o v\u1ec7 \u0111\u1ed9ng c\u01a1 v\u00e0 tr\u1ee5c v\u00edt. B\u1ea1n kh\u00f4ng c\u00f3 \u0111\u01b0\u1ee3c \u201ct\u0103ng \u00e1p su\u1ea5t\u201d ki\u1ec3u th\u1ee7y l\u1ef1c \u0111\u1ec3 gi\u1eef ch\u1ed1ng l\u1ea1i v\u1eadt li\u1ec7u c\u1ee9ng \u0111\u1ea7u.<\/p>\n\n\n\n

            M\u1ed9t s\u1ed1 so s\u00e1nh trong ng\u00e0nh ghi nh\u1eadn r\u1eb1ng h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u00f3 th\u1ec3 ti\u00eau th\u1ee5 \u00edt n\u0103ng l\u01b0\u1ee3ng t\u1ed5ng m\u1ed7i ng\u00e0y h\u01a1n, nh\u01b0ng l\u1ea1i c\u1ea7n nhu c\u1ea7u \u0111i\u1ec7n t\u1ee9c th\u1eddi cao h\u01a1n so v\u1edbi t\u1ea3i tr\u1ecdng m\u00e0 ch\u00fang t\u1ea1o ra v\u00ec to\u00e0n b\u1ed9 l\u1ef1c \u0111i tr\u1ef1c ti\u1ebfp qua \u0111\u1ed9ng c\u01a1. Trong gara, \u0111i\u1ec1u \u0111\u00f3 ngh\u0129a l\u00e0 h\u1ec7 th\u1ed1ng d\u00e2y c\u1ee7a b\u1ea1n ph\u1ea3i h\u1ed7 tr\u1ee3 tho\u1ea3i m\u00e1i t\u1ea3i \u0111\u1ed9ng c\u01a1 \u0111\u1ec9nh trong c\u00e1c l\u1ea7n u\u1ed1n n\u1eb7ng \u2014 kh\u00f4ng ch\u1ec9 m\u1ee9c ti\u00eau th\u1ee5 trung b\u00ecnh.<\/p>\n\n\n\n

            V\u00e0 khi \u0111i\u1ec7n t\u1eed h\u1ecfng, b\u1ea1n s\u1ebd kh\u00f4ng s\u1eeda \u0111\u01b0\u1ee3c ph\u1edbt trong x\u01b0\u1edfng ch\u1eadt h\u1eb9p. B\u1ea1n ph\u1ea3i ch\u1edd m\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9c quy\u1ec1n.<\/p>\n\n\n\n

            C\u1ea3nh b\u00e1o Th\u00f9ng Ph\u1ebf Li\u1ec7u: Ng\u01b0\u1eddi m\u1edbi th\u1ea5y \u201cb\u1ea3o tr\u00ec th\u1ea5p\u201d v\u00e0 ngh\u0129 \u201cr\u1ee7i ro th\u1ea5p\u201d. Th\u1ee7y l\u1ef1c c\u1ea7n d\u1ea7u v\u00e0 ph\u1edbt. Servo\u2011\u0111i\u1ec7n c\u1ea7n linh ki\u1ec7n \u0111i\u1ec7n t\u1eed chuy\u00ean d\u1ee5ng. Trong x\u01b0\u1edfng t\u1ea1i nh\u00e0, vi\u1ec7c ch\u1edd v\u00e0i tu\u1ea7n cho m\u1ed9t module \u0111i\u1ec1u khi\u1ec3n g\u00e2y kh\u00f3 ch\u1ecbu h\u01a1n nhi\u1ec1u so v\u1edbi vi\u1ec7c lau d\u1ea7u th\u1ee7y l\u1ef1c.<\/p>\n\n\n\n

            \u0110\u00e2y l\u00e0 s\u1ef1 \u0111\u1ea3o ng\u01b0\u1ee3c th\u1ef1c s\u1ef1: ng\u01b0\u1eddi d\u00f9ng gara th\u01b0\u1eddng u\u1ed1n nh\u1eefng gi\u00e1 \u0111\u1ee1 d\u00e0y th\u1ec9nh tho\u1ea3ng, kh\u00f4ng ph\u1ea3i h\u00e0ng ngh\u00ecn t\u1ea5m m\u1ecfng m\u1ed7i ca. Th\u1ee7y l\u1ef1c v\u01b0\u1ee3t tr\u1ed9i v\u1ec1 \u0111\u1ed9 b\u1ec1n l\u1ef1c th\u00f4. Servo\u2011\u0111i\u1ec7n t\u1ecfa s\u00e1ng \u1edf \u0111\u1ed9 ch\u00ednh x\u00e1c l\u1eb7p l\u1ea1i. N\u1ebfu c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n kh\u00f4ng li\u00ean t\u1ee5c nh\u01b0ng \u0111\u00f4i khi n\u1eb7ng, \u201ccao c\u1ea5p\u201d c\u00f3 th\u1ec3 mang l\u1ea1i s\u1ef1 s\u1ea1ch s\u1ebd v\u00e0 t\u1ed1c \u0111\u1ed9 \u2014 kh\u00f4ng ph\u1ea3i kh\u1ea3 n\u0103ng s\u1ed1ng s\u00f3t.<\/p>\n\n\n\n

            H\u00e3y ngh\u0129 n\u00f3 nh\u01b0 vi\u1ec7c k\u00e9o b\u1eb1ng m\u1ed9t chi\u1ebfc SUV th\u1ec3 thao tua cao so v\u1edbi m\u1ed9t chi\u1ebfc xe t\u1ea3i diesel l\u00e0m vi\u1ec7c. SUV c\u1ea3m gi\u00e1c tinh t\u1ebf v\u00e0 nhanh. Diesel th\u00ec kh\u00f4ng quan t\u00e2m \u0111\u1ebfn ng\u1ecdn \u0111\u1ed3i.<\/p>\n\n\n\n

            B\u1ea1n mu\u1ed1n s\u1edf h\u1eefu lo\u1ea1i n\u00e0o khi t\u1ea3i kh\u00f4ng th\u1ec3 d\u1ef1 \u0111o\u00e1n tr\u01b0\u1edbc?<\/p>\n\n\n\n

            C\u00e1c m\u1eabu b\u00e0n c\u01a1 th\u1ee7 c\u00f4ng: \u1ede \u0111\u1ed9 d\u00e0y n\u00e0o th\u00ec quay tay tr\u1edf n\u00ean b\u1ea5t kh\u1ea3 thi?<\/h3>\n\n\n\n

            Gi\u1edd h\u00e3y chuy\u1ec3n xu\u1ed1ng c\u00e1c m\u00e1y b\u1ebb th\u1ee7 c\u00f4ng \u0111\u1ec3 b\u00e0n. Kh\u00f4ng \u0111\u1ed9ng c\u01a1. Kh\u00f4ng b\u01a1m. Ch\u1ec9 c\u00f3 \u0111\u00f2n b\u1ea9y c\u01a1 h\u1ecdc \u2014 th\u01b0\u1eddng th\u00f4ng qua c\u01a1 ch\u1ebf v\u00edt ho\u1eb7c l\u00e1.<\/p>\n\n\n\n

            H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng c\u1ed1 g\u1eafng u\u1ed1n th\u00e9p m\u1ec1m d\u00e0y 1\/4 inch, r\u1ed9ng 300mm, b\u1eb1ng tay. Ngay c\u1ea3 khi khung m\u00e1y tuy\u00ean b\u1ed1 \u201ct\u01b0\u01a1ng \u0111\u01b0\u01a1ng 20 t\u1ea5n,\u201d m\u1ee9c \u0111\u00e1nh gi\u00e1 \u0111\u00f3 gi\u1ea3 \u0111\u1ecbnh \u0111\u00f2n b\u1ea9y l\u00fd t\u01b0\u1edfng v\u00e0 c\u00e1c \u0111o\u1ea1n ng\u1eafn. C\u01a1 th\u1ec3 b\u1ea1n tr\u1edf th\u00e0nh \u0111\u1ed9ng c\u01a1. \u0110\u1ea7u v\u00e0o c\u1ee7a con ng\u01b0\u1eddi b\u1ecb gi\u1edbi h\u1ea1n. \u0110\u1ed9 nh\u1ea5t qu\u00e1n k\u00e9m h\u01a1n.<\/p>\n\n\n\n

            Khi \u0111\u1ed9 d\u00e0y t\u0103ng, l\u01b0\u1ee3ng l\u1ef1c c\u1ea7n thi\u1ebft t\u0103ng nhanh \u2014 kh\u00f4ng tuy\u1ebfn t\u00ednh, m\u00e0 g\u1ea7n nh\u01b0 theo b\u00ecnh ph\u01b0\u01a1ng \u0111\u1ed9 d\u00e0y trong u\u1ed1n kh\u00f4ng kh\u00ed. G\u1ea5p \u0111\u00f4i \u0111\u1ed9 d\u00e0y th\u00ec l\u1ef1c y\u00eau c\u1ea7u t\u0103ng v\u1ecdt. C\u00e1nh tay c\u1ee7a b\u1ea1n kh\u00f4ng t\u0103ng g\u1ea5p \u0111\u00f4i s\u1ee9c m\u1ea1nh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng.<\/p>\n\n\n\n

            C\u1ea3nh b\u00e1o th\u00f9ng ph\u1ebf li\u1ec7u: T\u00f4i \u0111\u00e3 th\u1ea5y ng\u01b0\u1eddi m\u1edbi trong x\u01b0\u1edfng ch\u1eadt mua m\u1ed9t m\u00e1y b\u1ebb th\u1ee7 c\u00f4ng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 \u201cc\u00f4ng su\u1ea5t 3mm,\u201d r\u1ed3i ph\u00e1t hi\u1ec7n \u0111\u00e1nh gi\u00e1 \u0111\u00f3 gi\u1ea3 \u0111\u1ecbnh th\u00e9p m\u1ec1m, chi\u1ec1u d\u00e0i ng\u1eafn, v\u00e0 d\u1ee5ng c\u1ee5 m\u1edbi. H\u1ecd th\u1eed u\u1ed1n th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c u\u1ed1n d\u00e0i h\u01a1n m\u1ed9t ch\u00fat v\u00e0 tay c\u1ea7m \u0111\u01a1n gi\u1ea3n l\u00e0 ng\u1eebng di chuy\u1ec3n. \u0110\u00f3 kh\u00f4ng ph\u1ea3i k\u1ef9 thu\u1eadt. \u0110\u00f3 l\u00e0 v\u1eadt l\u00fd.<\/p>\n\n\n\n

            H\u1ec7 th\u1ed1ng th\u1ee7 c\u00f4ng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng cho nh\u00f4m m\u1ecfng, th\u00e9p nh\u1eb9, g\u1edd ng\u1eafn. Ngo\u00e0i ra, b\u1ea1n ph\u1ea3i ch\u1ed1ng l\u1ea1i c\u1ea3 \u0111\u1ed9 b\u1ec1n ch\u1ea3y c\u1ee7a v\u1eadt li\u1ec7u l\u1eabn gi\u1edbi h\u1ea1n sinh h\u1ecdc c\u1ee7a ch\u00ednh b\u1ea1n. Kh\u00f4ng c\u00f3 n\u0103ng l\u1ef1c d\u1ef1 ph\u00f2ng \u0111\u1ec3 v\u01b0\u1ee3t qua \u0111\u1ed9 h\u1ed3i \u0111\u00e0n c\u1ee7a v\u1eadt li\u1ec7u d\u00e0y h\u01a1n. Khi nhu c\u1ea7u v\u1ec1 m\u1eadt \u0111\u1ed9 l\u1ef1c t\u0103ng \u0111\u1ed9t bi\u1ebfn, m\u00e1y \u2014 ho\u1eb7c b\u1ea1n \u2014 s\u1ebd b\u1ecb k\u1eb9t.<\/p>\n\n\n\n

            V\u1eady \u0111\u00e2y l\u00e0 th\u1ee9 t\u1ef1 \u01b0u ti\u00ean trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf c\u1ee7a gara:<\/p>\n\n\n\n

            Th\u1ee7y l\u1ef1c: ti\u00eau t\u1ed1n \u0111i\u1ec7n nhi\u1ec1u khi kh\u1edfi \u0111\u1ed9ng, ch\u1ecbu t\u1ea3i c\u01a1 h\u1ecdc t\u1ed1t \u1edf m\u1ee9c t\u1ea3i cao nh\u1ea5t. Servo\u2011\u0111i\u1ec7n: ti\u00eau th\u1ee5 \u0111i\u1ec7n s\u1ea1ch h\u01a1n trong v\u1eadn h\u00e0nh h\u00e0ng ng\u00e0y, d\u1ec5 b\u1ecb h\u1ecfng \u0111i\u1ec7n t\u1eed khi \u0111\u1ea1t gi\u1edbi h\u1ea1n c\u00f4ng su\u1ea5t. Th\u1ee7 c\u00f4ng: kh\u00f4ng ti\u00eau th\u1ee5 \u0111i\u1ec7n, gi\u1edbi h\u1ea1n v\u1ec1 s\u1ee9c l\u1ef1c.<\/p>\n\n\n\n

            C\u1ea3 ba c\u00f3 th\u1ec3 qu\u1ea3ng c\u00e1o c\u00f9ng l\u1ef1c n\u00e9n. Ch\u1ec9 m\u1ed9t ho\u1eb7c hai th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 \u0111\u1ea1t m\u1eadt \u0111\u1ed9 l\u1ef1c \u0111\u00f3 trong x\u01b0\u1edfng ch\u1eadt c\u1ee7a b\u1ea1n, v\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u1ee7a b\u1ea1n, \u0111\u1ed1i v\u1edbi nh\u1eefng v\u1eadt li\u1ec7u m\u00e0 b\u1ea1n s\u1ebd th\u1eed khi t\u1ef1 tin h\u01a1n.<\/p>\n\n\n\n

            V\u00e0 m\u1ed9t khi b\u1ea1n ch\u1ecdn \u0111\u01b0\u1ee3c c\u01a1 ch\u1ebf truy\u1ec1n \u0111\u1ed9ng th\u1eadt s\u1ef1 cung c\u1ea5p l\u1ef1c, m\u1ed9t c\u00e2u h\u1ecfi kh\u00e1c xu\u1ea5t hi\u1ec7n \u2014 ngay c\u1ea3 khi m\u00e1y c\u00f3 th\u1ec3 \u0111\u1ea9y \u0111\u1ee7 m\u1ea1nh, li\u1ec7u kho\u1ea3ng c\u00e1ch v\u1eadt l\u00fd c\u00f3 cho ph\u00e9p b\u1ea1n u\u1ed1n \u0111\u01b0\u1ee3c nh\u1eefng h\u00ecnh d\u1ea1ng b\u1ea1n mong mu\u1ed1n?<\/p>\n\n\n\n

            H\u00e0nh tr\u00ecnh, \u0111\u1ed9 m\u1edf v\u00e0 chi\u1ec1u s\u00e2u h\u1ecdng: C\u00e1c th\u00f4ng s\u1ed1 ng\u01b0\u1eddi m\u1edbi hi\u1ebfm khi ki\u1ec3m tra<\/h2>\n\n\n\n

            Gi\u1ea3 s\u1eed b\u1ea1n \u0111\u00e3 l\u00e0m \u0111\u00fang. B\u1ea1n \u0111\u00e3 ch\u1ecdn h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng c\u00f3 th\u1ec3 th\u1ef1c s\u1ef1 cung c\u1ea5p v\u00e0 gi\u1eef l\u1ef1c n\u00e9n m\u00e0 t\u00ednh to\u00e1n c\u1ee7a b\u1ea1n y\u00eau c\u1ea7u trong x\u01b0\u1edfng ch\u1eadt.<\/p>\n\n\n\n

            Gi\u1edd l\u00e0 c\u00e2u h\u1ecfi kh\u00f3 ch\u1ecbu: li\u1ec7u chi ti\u1ebft c\u00f3 th\u1ec3 \u0111\u1eb7t v\u1eeba b\u00ean trong m\u00e1y?<\/p>\n\n\n\n

            B\u1ea3ng th\u00f4ng s\u1ed1 ghi \u201cc\u00f4ng su\u1ea5t 1\/4 inch.\u201d Qu\u1ea3ng c\u00e1o 40 t\u1ea5n, 60 t\u1ea5n, th\u1eadm ch\u00ed h\u01a1n. Nh\u01b0ng kh\u00f4ng ch\u1ed7 n\u00e0o tr\u00ean t\u1edd b\u00e1n h\u00e0ng ghi r\u00f5, \u201cChi\u1ec1u cao m\u1edf: 14 inch,\u201d ho\u1eb7c \u201cH\u00e0nh tr\u00ecnh: 4 inch,\u201d ho\u1eb7c \u201cChi\u1ec1u s\u00e2u h\u1ecdng: 8 inch.\u201d Nh\u1eefng con s\u1ed1 n\u00e0y tr\u00f4ng c\u00f3 v\u1ebb nh\u00e0m ch\u00e1n. Nh\u01b0ng ch\u00fang kh\u00f4ng h\u1ec1.<\/p>\n\n\n\n

            H\u00e0nh tr\u00ecnh l\u00e0 kho\u1ea3ng ram di chuy\u1ec3n th\u1ef1c t\u1ebf. \u0110\u1ed9 m\u1edf l\u00e0 kho\u1ea3ng t\u1ed1i \u0111a gi\u1eefa ch\u00e0y v\u00e0 b\u00e0n khi ram \u1edf v\u1ecb tr\u00ed cao nh\u1ea5t. Chi\u1ec1u s\u00e2u h\u1ecdng l\u00e0 kho\u1ea3ng b\u1ea1n c\u00f3 th\u1ec3 tr\u01b0\u1ee3t chi ti\u1ebft v\u00e0o t\u1eeb ph\u00eda tr\u01b0\u1edbc tr\u01b0\u1edbc khi ch\u1ea1m khung. N\u1ebfu b\u1ea5t k\u1ef3 th\u00f4ng s\u1ed1 n\u00e0o qu\u00e1 nh\u1ecf, l\u1ef1c n\u00e9n c\u1ee7a b\u1ea1n ch\u1ec9 c\u00f2n l\u00e0 l\u00fd thuy\u1ebft.<\/p>\n\n\n\n

            N\u00f3 gi\u1ed1ng nh\u01b0 s\u1edf h\u1eefu m\u1ed9t chi\u1ebfc xe t\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 c\u00f3 th\u1ec3 k\u00e9o 12,000 pound nh\u01b0ng v\u1edbi chi\u1ec1u d\u00e0i c\u01a1 s\u1edf ng\u1eafn d\u1ec5 b\u1ecb l\u1eafc khi k\u00e9o r\u01a1-mo\u00f3c d\u00e0i \u2014 \u0111\u1ed9ng c\u01a1 kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1edbi h\u1ea1n, m\u00e0 l\u00e0 h\u00ecnh h\u1ecdc.<\/p>\n\n\n\n

            C\u1ea3nh b\u00e1o th\u00f9ng ph\u1ebf li\u1ec7u: T\u00f4i \u0111\u00e3 th\u1ea5y ng\u01b0\u1eddi m\u1edbi trong x\u01b0\u1edfng ch\u1eadt mua m\u1ed9t m\u00e1y b\u1ebb 50 t\u1ea5n nh\u1ecf g\u1ecdn ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 u\u1ed1n c\u00e1c gi\u00e1 \u0111\u1ee1 d\u00e0y 3\/16 \u2014 r\u1ed3i ph\u00e1t hi\u1ec7n chi\u1ebfc h\u1ed9p cao 10 inch c\u1ee7a h\u1ecd kh\u00f4ng th\u1ec3 l\u1ecdt qua chi\u1ec1u cao m\u1edf sau khi ch\u00e0y v\u00e0 c\u1ed1i \u0111\u01b0\u1ee3c l\u1eafp. H\u1ecd c\u00f3 l\u1ef1c. H\u1ecd c\u00f3 th\u00e9p. H\u1ecd kh\u00f4ng c\u00f3 kh\u00f4ng gian.<\/p>\n\n\n\n

            V\u00e0 kh\u00f4ng gian l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/p>\n\n\n\n

            C\u00e1c h\u1ed9p v\u00e0 chi ti\u1ebft s\u00e2u: V\u00ec sao b\u1ea1n c\u1ea7n chi\u1ec1u cao m\u1edf l\u1edbn h\u01a1n k\u00edch th\u01b0\u1edbc chi ti\u1ebft c\u1ee7a m\u00ecnh<\/h3>\n\n\n\n

            \u0110\u00e2y l\u00e0 l\u00fac m\u1ecdi th\u1ee9 tr\u1edf n\u00ean tinh vi h\u01a1n.<\/p>\n\n\n\n

            B\u1ea1n kh\u00f4ng ch\u1ec9 c\u1ea7n kho\u1ea3ng s\u00e1ng b\u1eb1ng v\u1edbi chi\u1ec1u cao ho\u00e0n thi\u1ec7n c\u1ee7a chi ti\u1ebft. B\u1ea1n c\u1ea7n kho\u1ea3ng s\u00e1ng cho khu\u00f4n, cho ch\u00e0y, cho \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u, v\u00e0 cho cung tr\u00f2n m\u00e0 m\u00e9p v\u00e1t xoay qua khi u\u1ed1n.<\/p>\n\n\n\n

            H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t v\u00e1ch h\u1ed9p cao 8 inch \u0111\u01a1n gi\u1ea3n. Nghe c\u00f3 v\u1ebb d\u1ec5 x\u1eed l\u00fd. Gi\u1edd th\u00eam v\u00e0o m\u1ed9t khu\u00f4n V cao 3 inch, m\u1ed9t gi\u00e1 \u0111\u1ee1 ch\u00e0y cao 4 inch, v\u00e0 th\u1ef1c t\u1ebf l\u00e0 trong qu\u00e1 tr\u00ecnh u\u1ed1n, m\u00e9p v\u00e1t 8 inch \u0111\u00f3 xoay l\u00ean th\u00e0nh m\u1ed9t cung l\u1edbn tr\u01b0\u1edbc khi d\u1eebng l\u1ea1i \u1edf g\u00f3c 90 \u0111\u1ed9. \u0110\u1ed9t nhi\u00ean chi\u1ec1u cao m\u1edf y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f2n l\u00e0 8 inch n\u1eefa. N\u00f3 c\u00f3 th\u1ec3 l\u00e0 14 ho\u1eb7c 16.<\/p>\n\n\n\n

            N\u1ebfu h\u00e0nh tr\u00ecnh qu\u00e1 ng\u1eafn, b\u1ea1n th\u1eadm ch\u00ed kh\u00f4ng th\u1ec3 n\u00e2ng \u0111\u1ee7 cao \u0111\u1ec3 l\u1ea5y chi ti\u1ebft ra gi\u1eefa c\u00e1c l\u1ea7n u\u1ed1n. N\u1ebfu kho\u1ea3ng s\u00e1ng qu\u00e1 ch\u1eadt, b\u1ea1n b\u1ecb bu\u1ed9c ph\u1ea3i d\u00f9ng khu\u00f4n nh\u1ecf h\u01a1n ch\u1ec9 \u0111\u1ec3 v\u1eeba v\u1edbi b\u1ed9 d\u1ee5ng c\u1ee5. V\u00e0 c\u00e1c khu\u00f4n nh\u1ecf h\u01a1n khi\u1ebfn nhu c\u1ea7u l\u1ef1c t\u0103ng v\u1ecdt \u2014 c\u00f9ng v\u1eadt li\u1ec7u, c\u00f9ng chi\u1ec1u d\u00e0i, nh\u01b0ng l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u1ea1i kh\u00e1c bi\u1ec7t l\u1edbn.<\/p>\n\n\n\n

            B\u1ea1n \u0111\u00e3 t\u1ef1 giam m\u00ecnh v\u00e0o m\u1ed9t c\u00e1i h\u1ed9p.<\/p>\n\n\n\n

            C\u1ea3nh b\u00e1o Th\u00f9ng Ph\u1ebf Li\u1ec7u: M\u1ed9t sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ee7a ng\u01b0\u1eddi m\u1edbi trong x\u01b0\u1edfng ch\u1eadt l\u00e0 mua m\u1ed9t m\u00e1y \u00e9p nh\u1ecf g\u1ecdn v\u1edbi kho\u1ea3ng s\u00e1ng h\u1ea1n ch\u1ebf, r\u1ed3i b\u00f9 b\u1eb1ng c\u00e1ch ch\u1ecdn khu\u00f4n V h\u1eb9p h\u01a1n \u0111\u1ec3 \u201cm\u1ecdi th\u1ee9 v\u1eeba v\u1eb7n\u201d. Khu\u00f4n h\u1eb9p h\u01a1n khi\u1ebfn l\u1ef1c y\u00eau c\u1ea7u t\u0103ng m\u1ea1nh. M\u00e1y b\u1ecb d\u1eebng, ho\u1eb7c t\u1ec7 h\u01a1n, b\u1ea1n qu\u00e1 t\u1ea3i khung m\u00e1y v\u1ed1n kh\u00f4ng thi\u1ebft k\u1ebf cho m\u1eadt \u0111\u1ed9 l\u1ef1c \u0111\u00f3 tr\u00ean m\u1ed9t \u0111o\u1ea1n ng\u1eafn. Chi ti\u1ebft kh\u00f4ng v\u00ec th\u1ebf m\u00e0 r\u1ebb h\u01a1n. Sai l\u1ea7m \u0111\u00f3 th\u00ec kh\u00f4ng tha th\u1ee9 cho b\u1ea1n.<\/p>\n\n\n\n

            \u0110\u1ed9 s\u00e2u h\u1ecdng m\u00e1y th\u00eam m\u1ed9t y\u1ebfu t\u1ed1 kh\u00e1c. Gi\u1ea3 s\u1eed b\u1ea1n \u0111ang u\u1ed1n m\u1ed9t t\u1ea5m d\u00e0i 24 inch nh\u01b0ng \u0111\u01b0\u1eddng u\u1ed1n c\u00e1ch m\u00e9p 10 inch. N\u1ebfu \u0111\u1ed9 s\u00e2u h\u1ecdng l\u00e0 8 inch, khung m\u00e1y s\u1ebd c\u1ea3n tr\u1edf c\u00f4ng vi\u1ec7c. B\u1ea1n c\u00f3 \u0111\u1ee7 l\u1ef1c n\u00e9n tr\u00ean l\u00fd thuy\u1ebft \u2014 nh\u01b0ng ch\u1eb3ng c\u00f3 ch\u1ed7 \u0111\u1ec3 \u0111\u1eb7t t\u1ea5m th\u00e9p.<\/p>\n\n\n\n

            \u0110\u00e2y l\u00e0 ph\u1ea7n m\u00e0 ng\u01b0\u1eddi m\u1edbi kh\u00f4ng bao gi\u1edd ph\u00e1c th\u1ea3o tr\u01b0\u1edbc khi mua m\u00e1y.<\/p>\n\n\n\n

            \u0110i\u1ec1u G\u00ec X\u1ea3y Ra V\u1edbi \u0110\u1ed9 Ch\u00ednh X\u00e1c Khi B\u1ea1n \u0110\u1ea9y Khung M\u00e1y Nh\u1ecf G\u1ecdn \u0110\u1ebfn Gi\u1edbi H\u1ea1n?<\/h3>\n\n\n\n

            Gi\u1ea3 s\u1eed chi ti\u1ebft v\u1eeba kh\u00edt. H\u1ea7u nh\u01b0 kh\u00f4ng d\u01b0.<\/p>\n\n\n\n

            L\u00fac n\u00e0y b\u1ea1n \u0111ang ho\u1ea1t \u0111\u1ed9ng g\u1ea7n m\u1ee9c t\u1ed1i \u0111a v\u1ec1 kho\u1ea3ng s\u00e1ng, h\u00e0nh tr\u00ecnh, v\u00e0 m\u1eadt \u0111\u1ed9 l\u1ef1c danh \u0111\u1ecbnh \u2014 t\u1ea5t c\u1ea3 c\u00f9ng m\u1ed9t l\u00fac. Tr\u00ean gi\u1ea5y t\u1edd, b\u1ea1n v\u1eabn n\u1eb1m trong gi\u1edbi h\u1ea1n. Nh\u01b0ng th\u1ef1c t\u1ebf, c\u00e1c \u0111o\u1ea1n u\u1ed1n ng\u1eafn t\u1eadp trung l\u1ef1c v\u00e0 c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n an to\u00e0n v\u1ec1 t\u1ea5n l\u1ef1c tr\u00ean m\u1ed7i feet, ngay c\u1ea3 khi t\u1ed5ng l\u1ef1c t\u1ed5ng th\u1ec3 v\u1eabn h\u1ee3p l\u00fd.<\/p>\n\n\n\n

            Khung nh\u1ecf g\u1ecdn bi\u1ebfn d\u1ea1ng nhi\u1ec1u h\u01a1n. \u0110\u00f3 l\u00e0 v\u1eadt l\u00fd, kh\u00f4ng ph\u1ea3i \u00fd ki\u1ebfn. C\u00e1c khung b\u00ean ng\u1eafn h\u01a1n v\u00e0 b\u00e0n m\u00e1y nh\u1eb9 h\u01a1n l\u00e0 c\u00e1ch m\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t gi\u1ea3m k\u00edch th\u01b0\u1edbc v\u00e0 gi\u00e1 cho ng\u01b0\u1eddi mua s\u1eed d\u1ee5ng trong gara. Nh\u01b0ng khi b\u1ea1n n\u1ea1p 70 ho\u1eb7c 80 t\u1ea5n v\u00e0o m\u1ed9t \u0111o\u1ea1n ch\u1ec9 d\u00e0i 8 inch, bi\u1ebfn d\u1ea1ng kh\u00f4ng ph\u00e2n b\u1ed1 \u0111\u1ec1u d\u1ecdc theo b\u00e0n. N\u00f3 t\u1eadp trung c\u1ee5c b\u1ed9.<\/p>\n\n\n\n

            Thanh tr\u01b0\u1ee3t b\u1ecb \u0111\u1ed9i l\u00ean. B\u00e0n m\u00e1y l\u00f5m xu\u1ed1ng. G\u00f3c 90 c\u1ee7a b\u1ea1n tr\u1edf th\u00e0nh 88 \u1edf gi\u1eefa v\u00e0 92 \u1edf m\u00e9p.<\/p>\n\n\n\n

            V\u00e0 b\u1ea1n ph\u1ea3i \u0111u\u1ed5i theo n\u00f3 b\u1eb1ng mi\u1ebfng c\u0103n v\u00e0 ph\u00e1n \u0111o\u00e1n.<\/p>\n\n\n\n

            C\u1ea3nh b\u00e1o Th\u00f9ng Ph\u1ebf Li\u1ec7u: T\u00f4i t\u1eebng th\u1ea5y c\u00e1c th\u1ee3 v\u1eadn h\u00e0nh trong x\u01b0\u1edfng ch\u1eadt cho r\u1eb1ng s\u1ef1 sai l\u1ec7ch g\u00f3c l\u00e0 do \u201cbi\u1ebfn \u0111\u1ed9ng v\u1eadt li\u1ec7u\u201d, t\u0103ng \u00e1p l\u1ef1c \u0111\u1ec3 b\u00f9, v\u00e0 v\u00f4 t\u00ecnh l\u00e0m bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n b\u00e0n m\u00e1y c\u1ee7a m\u1ed9t m\u00e1y \u00e9p nh\u1ecf. M\u00e1y v\u1eabn ch\u1ea1y. Ch\u1ec9 l\u00e0 n\u00f3 kh\u00f4ng c\u00f2n vu\u00f4ng g\u00f3c n\u1eefa. \u0110\u00f3 l\u00e0 b\u00e0i h\u1ecdc \u0111\u1eaft gi\u00e1 v\u1ec1 \u0111\u1ed9 c\u1ee9ng khung.<\/p>\n\n\n\n

            H\u00e3y nh\u1edb l\u1ea1i vi\u1ec7c k\u00e9o mo\u00f3c. M\u00e3 l\u1ef1c gi\u00fap t\u1ea3i di chuy\u1ec3n. Chi\u1ec1u d\u00e0i c\u01a1 s\u1edf v\u00e0 \u0111\u1ed9 c\u1ee9ng khung gi\u1eef n\u00f3 \u1ed5n \u0111\u1ecbnh khi ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 cao. M\u1ed9t chi\u1ebfc xe t\u1ea3i ng\u1eafn v\u00e0 nh\u1eb9 v\u1ec1 l\u00fd thuy\u1ebft c\u00f3 th\u1ec3 k\u00e9o mo\u00f3c \u2014 m\u1ed9t l\u1ea7n. C\u0103ng th\u1eb3ng l\u1eb7p l\u1ea1i s\u1ebd cho th\u1ea5y s\u1ef1 th\u1eadt.<\/p>\n\n\n\n

            H\u00e0nh tr\u00ecnh, kho\u1ea3ng s\u00e1ng, \u0111\u1ed9 s\u00e2u h\u1ecdng \u2014 nh\u1eefng th\u00f4ng s\u1ed1 n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 ph\u1ee5 ki\u1ec7n. Ch\u00fang quy\u1ebft \u0111\u1ecbnh xem m\u1eadt \u0111\u1ed9 l\u1ef1c b\u1ea1n kh\u00f3 kh\u0103n \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i \u1ed5n \u0111\u1ecbnh, l\u1eb7p l\u1ea1i, v\u00e0 kh\u00f4ng l\u00e0m bi\u1ebfn d\u1ea1ng ch\u00ednh chi\u1ebfc m\u00e1y hay kh\u00f4ng.<\/p>\n\n\n\n

            V\u1eady gi\u1edd b\u1ea1n \u0111ang ph\u1ea3i c\u00e2n b\u1eb1ng gi\u1eefa l\u1ef1c, chi\u1ec1u d\u00e0i, \u0111\u1ed9 tin c\u1eady c\u1ee7a truy\u1ec1n \u0111\u1ed9ng, l\u1ef1a ch\u1ecdn khu\u00f4n, chi\u1ec1u cao m\u1edf, v\u00e0 \u0111\u1ed9 c\u1ee9ng khung.<\/p>\n\n\n\n

            L\u00e0m sao b\u1ea1n bi\u1ebfn m\u1edb h\u1ed7n \u0111\u1ed9n \u0111\u00f3 th\u00e0nh m\u1ed9t quy\u1ebft \u0111\u1ecbnh mua h\u00e0ng m\u00e0 s\u1ebd kh\u00f4ng \u00e1m \u1ea3nh x\u01b0\u1edfng ch\u1eadt c\u1ee7a b\u1ea1n hai n\u0103m sau?<\/p>\n\n\n\n

            X\u00e2y D\u1ef1ng B\u1ea3ng Th\u00f4ng S\u1ed1 C\u1ee7a B\u1ea1n: T\u1eeb Cho\u00e1ng Ng\u1ee3p \u0110\u1ebfn Quy\u1ebft \u0110o\u00e1n<\/h2>\n\n\n\n

            B\u1ea1n c\u00f3 m\u1ed9t h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng c\u00f3 th\u1ec3 th\u1ef1c s\u1ef1 t\u1ea1o ra l\u1ef1c trong x\u01b0\u1edfng ch\u1eadt h\u1eb9p. T\u1ed1t.<\/p>\n\n\n\n

            Gi\u1edd c\u00e2u h\u1ecfi th\u1ef1c s\u1ef1: khi th\u00e9p n\u1eb1m tr\u00ean khu\u00f4n, li\u1ec7u chi\u1ec1u d\u00e0i, khung v\u00e0 khe h\u1edf c\u1ee7a m\u00e1y c\u00f3 cho ph\u00e9p b\u1ea1n \u00e1p d\u1ee5ng l\u1ef1c t\u1ea1i \u0111\u00fang v\u1ecb tr\u00ed c\u1ea7n \u2014 hay b\u1ea1n s\u1ebd ph\u1ea3i v\u1eadt l\u1ed9n v\u1edbi h\u00ecnh h\u1ecdc?<\/p>\n\n\n\n

            H\u1ea7u h\u1ebft ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u cu\u1ed9n xem danh s\u00e1ch s\u1ea3n ph\u1ea9m nh\u01b0 th\u1ec3 h\u1ecd \u0111ang mua t\u1ee7 l\u1ea1nh. Chi\u1ec1u r\u1ed9ng. Chi\u1ec1u cao. Di\u1ec7n t\u00edch chi\u1ebfm ch\u1ed7. \u201cN\u00f3 c\u00f3 v\u1eeba s\u00e1t t\u01b0\u1eddng kh\u00f4ng?\u201d<\/p>\n\n\n\n

            \u0110\u00f3 l\u00e0 c\u00e1ch ngh\u0129 ng\u01b0\u1ee3c.<\/p>\n\n\n\n

            B\u1ea3ng th\u00f4ng s\u1ed1 ghi \u201ckh\u1ea3 n\u0103ng \u00bc inch.\u201d Th\u1eadm ch\u00ed c\u00f3 th\u1ec3 li\u1ec7t k\u00ea 40 hay 60 t\u1ea5n. Nh\u01b0ng nh\u1eefng ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 kinh nghi\u1ec7m th\u01b0\u1eddng gi\u1edbi h\u1ea1n \u1edf kho\u1ea3ng 25 t\u1ea5n m\u1ed7i foot cho c\u00e1c \u0111o\u1ea1n ng\u1eafn \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng b\u00e0n v\u00e0 c\u1ea7n \u00e9p. Tr\u00ean th\u1ef1c t\u1ebf, c\u00e1c \u0111\u01b0\u1eddng u\u1ed1n ng\u1eafn t\u1eadp trung l\u1ef1c v\u00e0 c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n t\u1ea5n tr\u00ean m\u1ed7i foot an to\u00e0n, ngay c\u1ea3 khi t\u1ed5ng s\u1ed1 t\u1ea5n nh\u00ecn c\u00f3 v\u1ebb \u1ed5n.<\/p>\n\n\n\n

            V\u00ec v\u1eady, b\u1ea1n kh\u00f4ng b\u1eaft \u0111\u1ea7u v\u1edbi m\u00e1y m\u00f3c. B\u1ea1n b\u1eaft \u0111\u1ea7u v\u1edbi c\u00e1c chi ti\u1ebft.<\/p>\n\n\n\n

            B\u1edfi v\u00ec m\u1eadt \u0111\u1ed9 t\u1ea5n \u2014 l\u1ef1c chia cho chi\u1ec1u d\u00e0i u\u1ed1n \u2014 m\u1edbi l\u00e0 th\u1ee9 quy\u1ebft \u0111\u1ecbnh li\u1ec7u m\u00e1y \u00e9p c\u1ee7a b\u1ea1n u\u1ed1n \u0111\u01b0\u1ee3c th\u00e9p hay ch\u1ec9 \u0111\u1ee9ng y\u00ean. V\u00e0 con s\u1ed1 \u0111\u00f3 \u0111\u01b0\u1ee3c sinh ra t\u1eeb v\u1eadt li\u1ec7u d\u00e0y nh\u1ea5t v\u00e0 \u0111\u01b0\u1eddng u\u1ed1n d\u00e0i nh\u1ea5t c\u1ee7a b\u1ea1n, ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eeb di\u1ec7n t\u00edch chi\u1ebfm ch\u1ed7 c\u1ee7a t\u1ee7 m\u00e1y.<\/p>\n\n\n\n

            D\u00f2ng \u0111\u1ea7u ti\u00ean tr\u00ean b\u1ea3ng th\u00f4ng s\u1ed1 th\u1ef1c s\u1ef1 quan tr\u1ecdng l\u00e0 g\u00ec?<\/p>\n\n\n\n

            B\u01b0\u1edbc M\u1ed9t: X\u00e1c \u0111\u1ecbnh V\u1eadt Li\u1ec7u D\u00e0y Nh\u1ea5t v\u00e0 \u0110\u01b0\u1eddng U\u1ed1n D\u00e0i Nh\u1ea5t Tr\u01b0\u1edbc Khi Xem M\u00e1y<\/h3>\n\n\n\n

            Ch\u1ecdn v\u1eadt li\u1ec7u d\u00e0y nh\u1ea5t m\u00e0 b\u1ea1n th\u1ef1c t\u1ebf d\u1ef1 \u0111\u1ecbnh u\u1ed1n trong x\u01b0\u1edfng ch\u1eadt h\u1eb9p. Kh\u00f4ng ph\u1ea3i th\u1ee9 b\u1ea1n hy v\u1ecdng th\u1eed \u201cm\u1ed9t ng\u00e0y n\u00e0o \u0111\u00f3.\u201d M\u00e0 l\u00e0 th\u1ee9 s\u1ebd th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00ean b\u00e0n l\u00e0m vi\u1ec7c c\u1ee7a b\u1ea1n trong n\u0103m nay.<\/p>\n\n\n\n

            Gi\u1edd h\u00e3y ghi l\u1ea1i \u0111\u01b0\u1eddng u\u1ed1n th\u1eb3ng d\u00e0i nh\u1ea5t b\u1ea1n c\u1ea7n tr\u00ean v\u1eadt li\u1ec7u \u0111\u00f3.<\/p>\n\n\n\n

            Hai con s\u1ed1 \u0111\u00f3 t\u1ea1o n\u00ean m\u1eadt \u0111\u1ed9 t\u1ea5n c\u01a1 b\u1ea3n c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

            \u0110\u00e2y l\u00e0 l\u00fd do \u0111i\u1ec1u n\u00e0y l\u00e0m kh\u00f3 ng\u01b0\u1eddi m\u1edbi: l\u1ef1c u\u1ed1n t\u0103ng theo b\u00ecnh ph\u01b0\u01a1ng \u0111\u1ed9 d\u00e0y. G\u1ea5p \u0111\u00f4i \u0111\u1ed9 d\u00e0y, b\u1ea1n kh\u00f4ng g\u1ea5p \u0111\u00f4i t\u1ea5n \u2014 m\u00e0 t\u0103ng g\u1ea7n g\u1ea5p b\u1ed1n l\u1ea7n. \u0110i\u1ec1u n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00eau trong c\u00f4ng th\u1ee9c u\u1ed1n kh\u00ed ti\u00eau chu\u1ea9n. \u0110\u00e2y kh\u00f4ng ph\u1ea3i to\u00e1n b\u00ed m\u1eadt. N\u00f3 \u0111\u01b0\u1ee3c in trong m\u1ecdi b\u1ea3ng tra t\u1ea5n nghi\u00eam t\u00fac.<\/p>\n\n\n\n

            V\u00ed d\u1ee5 gi\u1ea3 \u0111\u1ecbnh: 1\/8 inch th\u00e9p m\u1ec1m d\u00e0i 36 inch c\u1ea7n X t\u1ea5n. Chuy\u1ec3n sang 1\/4 inch c\u00f9ng chi\u1ec1u d\u00e0i, b\u1ea1n kh\u00f4ng \u1edf m\u1ee9c 2X. B\u1ea1n g\u1ea7n 4X. \u0110\u00f3 l\u00e0 l\u00fac c\u00e1c m\u00e1y \u00e9p nh\u1ecf trong gara b\u1ecb \u0111\u1ee9ng m\u00e1y v\u00e0 ch\u1ee7 b\u1eaft \u0111\u1ea7u \u0111\u1ed5 l\u1ed7i cho \u201cth\u00e9p k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng.\u201d<\/p>\n\n\n\n

            Kh\u00f4ng ph\u1ea3i th\u00e9p k\u00e9m. M\u00e0 l\u00e0 to\u00e1n sai.<\/p>\n\n\n\n

            Gi\u1edd th\u00eam y\u1ebfu t\u1ed1 h\u00ecnh h\u1ecdc tr\u1edf l\u1ea1i. N\u1ebfu \u0111\u01b0\u1eddng u\u1ed1n d\u00e0i nh\u1ea5t c\u1ee7a b\u1ea1n l\u00e0 40 inch, m\u00e1y \u00e9p 48 inch cho b\u1ea1n m\u1ed9t ch\u00fat d\u1ef1 ph\u00f2ng. M\u00e1y \u00e9p 60 inch ph\u00e2n b\u1ed5 c\u00f9ng s\u1ed1 t\u1ea5n tr\u00ean nhi\u1ec1u chi\u1ec1u d\u00e0i b\u00e0n h\u01a1n, nh\u01b0ng n\u1ebfu khung nh\u1eb9, chi\u1ec1u d\u00e0i th\u00eam \u0111\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec1u bi\u1ebfn d\u1ea1ng h\u01a1n tr\u1eeb khi c\u1ea5u tr\u00fac c\u0169ng \u0111\u01b0\u1ee3c gia t\u0103ng theo. L\u1ef1c m\u00e0 thi\u1ebfu \u0111\u1ed9 c\u1ee9ng th\u00ec gi\u1ed1ng k\u00e9o n\u1eb7ng v\u1edbi m\u1ed9t r\u01a1-mo\u00f3c d\u00e0i, y\u1ebfu \u2014 \u0111\u1ed9ng c\u01a1 c\u00f3 th\u1ec3 k\u00e9o, nh\u01b0ng khung s\u1ebd n\u00f3i th\u1eadt n\u1eeda ch\u1eebng \u0111\u01b0\u1eddng.<\/p>\n\n\n\n

            C\u1ea3nh b\u00e1o Th\u00f9ng Ph\u1ebf Li\u1ec7u: Trong x\u01b0\u1edfng ch\u1eadt h\u1eb9p, t\u00f4i \u0111\u00e3 th\u1ea5y ng\u01b0\u1eddi ta mua m\u00e1y \u00e9p d\u00e0i h\u01a1n \u201c\u0111\u1ec3 linh ho\u1ea1t,\u201d r\u1ed3i c\u1ed1 ch\u1ea1y g\u1ea7n m\u1ee9c t\u1ea5n t\u1ed1i \u0111a tr\u00ean \u0111o\u1ea1n ng\u1eafn 8 inch v\u1edbi t\u1ea5m d\u00e0y. H\u1ecd kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 t\u1ed5ng c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c. H\u1ecd v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n an to\u00e0n t\u1ea5n m\u1ed7i foot t\u1ea1i v\u00f9ng ng\u1eafn \u0111\u00f3 v\u00e0 t\u1ea1o m\u1ed9t \u201cn\u1ee5 c\u01b0\u1eddi\u201d v\u0129nh vi\u1ec5n tr\u00ean b\u00e0n. M\u00e1y v\u1eabn ho\u1ea1t \u0111\u1ed9ng. Ch\u1ec9 l\u00e0 n\u00f3 kh\u00f4ng bao gi\u1edd u\u1ed1n th\u1eb3ng n\u1eefa.<\/p>\n\n\n\n

            B\u1ed9 l\u1ecdc \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1n kh\u00f4ng ph\u1ea3i th\u01b0\u01a1ng hi\u1ec7u. M\u00e0 l\u00e0 th\u1ebf n\u00e0y: m\u00e1y \u00e9p ng\u1eafn nh\u1ea5t n\u00e0o c\u00f3 th\u1ec3 cung c\u1ea5p s\u1ed1 t\u1ea5n m\u1ed7i foot c\u1ea7n thi\u1ebft cho v\u1eadt li\u1ec7u d\u00e0y nh\u1ea5t c\u1ee7a t\u00f4i tr\u00ean \u0111\u01b0\u1eddng u\u1ed1n d\u00e0i nh\u1ea5t \u2014 m\u00e0 kh\u00f4ng ch\u1ea1m s\u00e1t gi\u1edbi h\u1ea1n?<\/p>\n\n\n\n

            M\u1ed9t khi b\u1ea1n bi\u1ebft con s\u1ed1 \u0111\u00f3, danh s\u00e1ch m\u00e1y s\u1ebd thu h\u1eb9p nhanh ch\u00f3ng.<\/p>\n\n\n\n

            Nh\u01b0ng l\u1ef1c tr\u00ean gi\u1ea5y ch\u01b0a ph\u1ea3i to\u00e0n b\u1ed9. C\u00f2n th\u00e9p th\u1ef1c s\u1ef1 ch\u1ea1m v\u00e0o c\u1ea7n \u00e9p th\u00ec sao?<\/p>\n\n\n\n

            T\u1ea5n l\u1ef1c so v\u1edbi D\u1ee5ng c\u1ee5: Ng\u00e2n s\u00e1ch h\u1ea1n ch\u1ebf c\u1ee7a b\u1ea1n n\u00ean d\u00e0nh cho \u0111i\u1ec1u g\u00ec?<\/h3>\n\n\n\n

            Ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng \u00e1m \u1ea3nh v\u1ec1 t\u1ea5n l\u1ef1c c\u1ee7a m\u00e1y v\u00e0 coi d\u1ee5ng c\u1ee5 nh\u01b0 ph\u1ee5 ki\u1ec7n.<\/p>\n\n\n\n

            \u0110\u00f3 l\u00e0 c\u00e1ch ngh\u0129 ng\u01b0\u1ee3c.<\/p>\n\n\n\n

            Chi\u1ec1u r\u1ed9ng khu\u00f4n \u2014 kho\u1ea3ng m\u1edf ch\u1eef V \u2014 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u1ea5n l\u1ef1c c\u1ea7n thi\u1ebft. V h\u1eb9p ngh\u0129a l\u00e0 l\u1ef1c cao h\u01a1n. V r\u1ed9ng gi\u1ea3m l\u1ef1c nh\u01b0ng t\u0103ng b\u00e1n k\u00ednh b\u00ean trong. C\u00e1c b\u1ea3ng chu\u1ea9n \u0111\u00e3 t\u00ednh \u0111\u1ebfn \u0111i\u1ec1u n\u00e0y, v\u00e0 h\u1ec7 s\u1ed1 nh\u00e2n cho th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 kh\u1eafp n\u01a1i. Kh\u00f4ng c\u00f3 g\u00ec b\u1ecb che gi\u1ea5u. C\u00e1i b\u1eaby l\u00e0 b\u1ecf qua n\u00f3 khi ng\u00e2n s\u00e1ch eo h\u1eb9p.<\/p>\n\n\n\n

            Trong x\u01b0\u1edfng ch\u1eadt h\u1eb9p, ng\u00e2n s\u00e1ch th\u01b0\u1eddng bu\u1ed9c ph\u1ea3i ch\u1ecdn: th\u00eam m\u1ed9t ch\u00fat m\u00e1y ho\u1eb7c d\u1ee5ng c\u1ee5 t\u1ed1t h\u01a1n.<\/p>\n\n\n\n

            S\u1ef1 th\u1eadt kh\u00f3 ch\u1ea5p nh\u1eadn: m\u1ed9t m\u00e1y ch\u1ea5n 40 t\u1ea5n c\u1ee9ng c\u00e1p v\u1edbi b\u1ed9 khu\u00f4n ph\u00f9 h\u1ee3p s\u1ebd v\u01b0\u1ee3t tr\u1ed9i h\u01a1n m\u00e1y ch\u1ea5n 60 t\u1ea5n k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng d\u00f9ng khu\u00f4n r\u1ebb ti\u1ec1n \u0111i k\u00e8m. D\u1ee5ng c\u1ee5 ki\u1ec3m so\u00e1t di\u1ec7n t\u00edch ti\u1ebfp x\u00fac. Di\u1ec7n t\u00edch ti\u1ebfp x\u00fac ki\u1ec3m so\u00e1t m\u1eadt \u0111\u1ed9 t\u1ea5n l\u1ef1c \u1edf m\u0169i ch\u00e0y.<\/p>\n\n\n\n

            N\u00f3 gi\u1ed1ng nh\u01b0 k\u00e9o h\u00e0ng v\u1edbi lo\u1ea1i m\u00f3c \u0111\u00fang chu\u1ea9n. B\u1ea1n kh\u00f4ng ch\u1ec9 mua xe t\u1ea3i v\u1edbi \u0111\u1ed9ng c\u01a1 l\u1edbn r\u1ed3i g\u1eafn m\u1ed9t m\u00f3c r\u1ebb ch\u1ec9 ch\u1ecbu \u0111\u01b0\u1ee3c n\u1eeda t\u1ea3i. \u0110i\u1ec3m k\u1ebft n\u1ed1i quy\u1ebft \u0111\u1ecbnh c\u00e1ch l\u1ef1c truy\u1ec1n \u0111i. T\u01b0\u01a1ng t\u1ef1 \u1edf \u0111\u00e2y. B\u00e1n k\u00ednh ch\u00e0y v\u00e0 chi\u1ec1u r\u1ed9ng khu\u00f4n quy\u1ebft \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 t\u1eadp trung c\u1ee7a l\u1ef1c.<\/p>\n\n\n\n

            C\u1ea3nh b\u00e1o th\u00f9ng ph\u1ebf li\u1ec7u: T\u00f4i t\u1eebng th\u1ea5y ng\u01b0\u1eddi m\u1edbi trong x\u01b0\u1edfng ch\u1eadt mua m\u00e1y ch\u1ea5n nh\u1ecf v\u1edbi chi\u1ec1u cao m\u1edf h\u1ea1n ch\u1ebf, sau \u0111\u00f3 ch\u1ecdn khu\u00f4n ch\u1eef V h\u1eb9p ch\u1ec9 \u0111\u1ec3 ch\u1ed3ng d\u1ee5ng c\u1ee5 v\u1eeba d\u01b0\u1edbi chi\u1ec1u cao m\u1edf. Khu\u00f4n h\u1eb9p \u0111\u00f3 l\u00e0m t\u0103ng m\u1ea1nh y\u00eau c\u1ea7u t\u1ea5n l\u1ef1c. M\u00e1y b\u1ecb d\u1eebng, h\u1ecd t\u0103ng \u00e1p su\u1ea5t, v\u00e0 \u0111\u1ed9t nhi\u00ean v\u01b0\u1ee3t qu\u00e1 s\u1ed1 t\u1ea5n an to\u00e0n m\u1ed7i foot \u1edf m\u1ed9t \u0111o\u1ea1n ng\u1eafn. T\u1ea5t c\u1ea3 v\u00ec c\u1ed1 ti\u1ebft ki\u1ec7m cho khu\u00f4n c\u00f3 chi\u1ec1u cao ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n

            N\u1ebfu ng\u00e2n s\u00e1ch c\u1ed1 \u0111\u1ecbnh, h\u00e3y mua m\u00e1y \u0111\u1ee7 \u0111\u00e1p \u1ee9ng s\u1ed1 t\u1ea5n m\u1ed7i foot \u0111\u00e3 t\u00ednh \u2014 r\u1ed3i chi ti\u1ec1n th\u1eadt cho chi\u1ec1u r\u1ed9ng khu\u00f4n ph\u00f9 h\u1ee3p v\u1edbi v\u1eadt li\u1ec7u ch\u00ednh c\u1ee7a b\u1ea1n. D\u1ee5ng c\u1ee5 kh\u00f4ng ph\u1ea3i ph\u1ea7n trang tr\u00ed. N\u00f3 ch\u00ednh l\u00e0 c\u00e1ch l\u1ef1c \u0111i v\u00e0o th\u00e9p.<\/p>\n\n\n\n

            V\u1eady \u0111\u00e2y l\u00e0 l\u00fac ki\u1ec3m tra th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

            B\u00e0i ki\u1ec3m \u0111\u1ecbnh cu\u1ed1i c\u00f9ng: N\u1ebfu ng\u00e0y mai b\u1ea1n ph\u1ea3i ch\u1ea5n th\u00e9p kh\u00f4ng g\u1ec9, n\u00f3 c\u00f3 ch\u1ecbu \u0111\u01b0\u1ee3c kh\u00f4ng?<\/h3>\n\n\n\n

            Th\u00e9p th\u01b0\u1eddng d\u1ec5 ch\u1ecbu. Th\u00e9p kh\u00f4ng g\u1ec9 th\u00ec kh\u00f4ng.<\/p>\n\n\n\n

            C\u00e1c b\u1ea3ng chu\u1ea9n \u00e1p d\u1ee5ng h\u1ec7 s\u1ed1 nh\u00e2n cho th\u00e9p kh\u00f4ng g\u1ec9 v\u00ec \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a n\u00f3 cao h\u01a1n. L\u1ea1i m\u1ed9t l\u1ea7n n\u1eefa, kh\u00f4ng ph\u1ea3i b\u00ed m\u1eadt. Ch\u1ec9 l\u00e0 hay b\u1ecb b\u1ecf qua.<\/p>\n\n\n\n

            H\u00e3y l\u1ea5y v\u1eadt li\u1ec7u d\u00e0y nh\u1ea5t b\u1ea1n d\u1ef1 \u0111\u1ecbnh d\u00f9ng v\u00e0 chi\u1ec1u d\u00e0i u\u1ed1n d\u00e0i nh\u1ea5t. Sau \u0111\u00f3 \u00e1p d\u1ee5ng h\u1ec7 s\u1ed1 nh\u00e2n cho th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0o c\u00f9ng t\u00ecnh hu\u1ed1ng \u0111\u00f3. \u0110\u1eebng thay \u0111\u1ed5i chi\u1ec1u d\u00e0i. \u0110\u1eebng thu nh\u1ecf chi ti\u1ebft \u0111\u1ec3 l\u00e0m \u0111\u1eb9p con s\u1ed1.<\/p>\n\n\n\n

            M\u00e1y ch\u1ea5n b\u1ea1n ch\u1ecdn v\u1eabn \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c t\u1ea5n l\u1ef1c m\u1ed7i foot c\u1ea7n thi\u1ebft m\u00e0 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c gi\u1edbi h\u1ea1n?<\/p>\n\n\n\n

            N\u1ebfu c\u00e2u tr\u1ea3 l\u1eddi l\u00e0 \u201cch\u1ec9 khi t\u00f4i \u0111\u1eb7t \u0111\u00fang t\u00e2m, \u0111\u00fang d\u1ee5ng c\u1ee5, v\u00e0 \u0111\u00fang ngu\u1ed3n \u0111i\u1ec7n\u201d, th\u00ec m\u00e1y \u0111\u00f3 \u0111\u00e3 qu\u00e1 nh\u1ecf cho x\u01b0\u1edfng ch\u1eadt. V\u00ec c\u00f4ng vi\u1ec7c th\u1ef1c t\u1ebf r\u1ea5t l\u1ed9n x\u1ed9n. V\u1eadt li\u1ec7u thay \u0111\u1ed5i. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh kh\u00f4ng ph\u1ea3i robot. C\u00e1c \u0111o\u1ea1n u\u1ed1n ng\u1eafn th\u01b0\u1eddng n\u1eb1m g\u1ea7n m\u00e9p. Th\u1ef1c t\u1ebf, u\u1ed1n ng\u1eafn t\u1eadp trung l\u1ef1c v\u00e0 c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n t\u1ea5n l\u1ef1c m\u1ed7i foot an to\u00e0n, ngay c\u1ea3 khi t\u1ed5ng t\u1ea5n l\u1ef1c nh\u00ecn c\u00f3 v\u1ebb \u1ed5n.<\/p>\n\n\n\n

            \u0110\u00e2y l\u00e0 l\u00fac h\u00ecnh h\u1ecdc quay l\u1ea1i. Chi\u1ec1u cao m\u1edf c\u1ee7a b\u1ea1n c\u00f3 cho ph\u00e9p khu\u00f4n cao h\u01a1n c\u1ea7n thi\u1ebft \u0111\u1ec3 ch\u1ea5n th\u00e9p kh\u00f4ng g\u1ec9 d\u00e0y kh\u00f4ng? \u0110\u1ed9 s\u00e2u h\u1ecdng c\u00f3 cho ph\u00e9p \u0111\u1eb7t t\u1ea5m l\u1edbn m\u00e0 kh\u00f4ng va khung kh\u00f4ng? N\u1ebfu chuy\u1ec3n sang khu\u00f4n ch\u1eef V r\u1ed9ng \u0111\u1ec3 ki\u1ec3m so\u00e1t t\u1ea5n l\u1ef1c khi\u1ebfn ch\u1ed3ng d\u1ee5ng c\u1ee5 kh\u00f4ng c\u00f2n v\u1eeba, th\u00ec kh\u1ea3 n\u0103ng l\u00fd thuy\u1ebft c\u1ee7a b\u1ea1n bi\u1ebfn m\u1ea5t.<\/p>\n\n\n\n

            C\u1ea3nh b\u00e1o th\u00f9ng ph\u1ebf li\u1ec7u: T\u00f4i \u0111\u00e3 th\u1ea5y c\u00e1c x\u01b0\u1edfng mua m\u00e1y ch\u1ea5n \u201cv\u1ec1 l\u00fd thuy\u1ebft\u201d c\u00f3 th\u1ec3 ch\u1ea5n th\u00e9p kh\u00f4ng g\u1ec9 theo ti\u00eau chu\u1ea9n \u2014 nh\u01b0ng ch\u1ec9 v\u1edbi t\u1ed5 h\u1ee3p khu\u00f4n v\u01b0\u1ee3t qu\u00e1 chi\u1ec1u cao m\u1edf hi\u1ec7n c\u00f3. H\u1ecd ho\u1eb7c h\u1ea1 ti\u00eau chu\u1ea9n c\u00f4ng vi\u1ec7c ho\u1eb7c qu\u00e1 t\u1ea3i m\u00e1y v\u1edbi khu\u00f4n h\u1eb9p h\u01a1n. C\u1ea3 hai h\u01b0\u1edbng \u0111\u1ec1u t\u1ed1n ti\u1ec1n.<\/p>\n\n\n\n

            \u0110i\u1ec1u duy nh\u1ea5t b\u1ea1n n\u00ean ghi nh\u1edb: kh\u1ea3 n\u0103ng kh\u00f4ng n\u1eb1m \u1edf con s\u1ed1 l\u1edbn nh\u1ea5t tr\u00ean nh\u00e3n. N\u00f3 l\u00e0 s\u1ef1 giao nhau c\u1ee7a \u0111\u1ed9 d\u00e0y, chi\u1ec1u d\u00e0i, l\u1ef1a ch\u1ecdn khu\u00f4n, v\u00e0 \u0111\u1ed9 c\u1ee9ng khung \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng t\u1ea5n l\u1ef1c an to\u00e0n m\u1ed7i foot trong ph\u1ea1m vi kho\u1ea3ng tr\u1ed1ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

            H\u1ea7u h\u1ebft ng\u01b0\u1eddi m\u1edbi ch\u1ecdn m\u00e1y theo di\u1ec7n t\u00edch \u0111\u1eb7t v\u00ec kh\u00f4ng gian trong x\u01b0\u1edfng ch\u1eadt c\u1ea3m th\u1ea5y qu\u00fd. B\u01b0\u1edbc \u0111i kh\u00f4ng hi\u1ec3n nhi\u00ean l\u00e0: x\u00e1c \u0111\u1ecbnh l\u1ea7n u\u1ed1n kh\u00f3 nh\u1ea5t tr\u01b0\u1edbc, r\u1ed3i ch\u1ecdn m\u00e1y ch\u1ea5n ng\u1eafn nh\u1ea5t, c\u1ee9ng nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea1t m\u1ee5c ti\u00eau t\u1ea5n l\u1ef1c m\u1ed7i foot v\u1edbi d\u1ee5ng c\u1ee5 chu\u1ea9n v\u00e0 chi\u1ec1u cao m\u1edf tho\u1ea3i m\u00e1i.<\/p>\n\n\n\n

            B\u1ea1n kh\u00f4ng mua m\u1ed9t chi\u1ebfc m\u00e1y. B\u1ea1n \u0111ang mua bi\u00ean l\u1ee3i nhu\u1eadn.<\/p>\n\n\n\n

            V\u00e0 ch\u00ednh bi\u00ean l\u1ee3i nhu\u1eadn l\u00e0 th\u1ee9 gi\u1eef cho th\u00e9p u\u1ed1n cong \u2014 thay v\u00ec l\u00e0m h\u1ecfng phanh c\u1ee7a b\u1ea1n.<\/p>","protected":false},"excerpt":{"rendered":"

            You\u2019ve got a 4-foot brake tucked neatly against the wall of the tight shop. The spec sheet says \u201c\u00bc-inch capacity.\u201d You slide in a strip of 3mm mild steel, pull the lever, and halfway down the ram just\u2026 stops. Motor groans. Steel doesn\u2019t care. That moment isn\u2019t bad luck. It\u2019s math you were never shown. […]<\/p>\n","protected":false},"author":1,"featured_media":882,"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-877","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\/877","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=877"}],"version-history":[{"count":3,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/877\/revisions"}],"predecessor-version":[{"id":1091,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/877\/revisions\/1091"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media\/882"}],"wp:attachment":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media?parent=877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/categories?post=877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/tags?post=877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}