{"id":2888,"date":"2026-02-05T01:34:54","date_gmt":"2026-02-05T01:34:54","guid":{"rendered":"https:\/\/www.materialstests.com\/products\/tst-h-horizontal-tensile-tester\/"},"modified":"2026-06-01T08:52:07","modified_gmt":"2026-06-01T08:52:07","slug":"tst-h-horizontal-tensile-tester","status":"publish","type":"products","link":"https:\/\/www.materialstests.com\/vi\/products\/tst-h-horizontal-tensile-tester.html","title":{"rendered":"M\u00e1y th\u1eed k\u00e9o ngang TST-H"},"content":{"rendered":"

1. Gi\u1edbi thi\u1ec7u v\u1ec1 m\u00e1y th\u1eed k\u00e9o ngang TST-H<\/h2>\n

M\u00e1y th\u1eed k\u00e9o ngang TST-H<\/strong>\u00a0l\u00e0 thi\u1ebft b\u1ecb \u0111o \u0111\u1ed9 gi\u00e3n d\u00e0i v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 gi\u00e3n d\u00e0i t\u1ea1i l\u1ef1c t\u1ed1i \u0111a, kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng k\u00e9o v\u00e0 \u0111\u1ed9 c\u1ee9ng k\u00e9o c\u1ee7a gi\u1ea5y, b\u00eca c\u1ee9ng, gi\u1ea5y l\u1ee5a v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb gi\u1ea5y l\u1ee5a. Thi\u1ebft b\u1ecb n\u00e0y c\u0169ng t\u00ednh to\u00e1n ch\u1ec9 s\u1ed1 \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 ch\u1ec9 s\u1ed1 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng k\u00e9o.<\/p>\n

\u0110i\u1ec1u kho\u1ea3n<\/strong><\/h4>\n

\u0110\u1ed9 b\u1ec1n k\u00e9o:\u00a0<\/strong><\/p>\n

L\u1ef1c k\u00e9o t\u1ed1i \u0111a tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb chi\u1ec1u r\u1ed9ng m\u00e0 m\u1eabu th\u1eed c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi b\u1ecb \u0111\u1ee9t.<\/p>\n

Ch\u1ec9 s\u1ed1 \u0111\u1ed9 b\u1ec1n k\u00e9o:\u00a0<\/strong><\/p>\n

\u0110\u1ed9 b\u1ec1n k\u00e9o chia cho tr\u1ecdng l\u01b0\u1ee3ng tr\u00ean \u0111\u01a1n v\u1ecb di\u1ec7n t\u00edch.<\/p>\n

K\u00e9o gi\u00e3n v\u1edbi l\u1ef1c t\u1ed1i \u0111a:\u00a0<\/strong><\/p>\n

T\u1ef7 l\u1ec7 gi\u1eefa \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a m\u1eabu th\u1eed v\u00e0 chi\u1ec1u d\u00e0i ban \u0111\u1ea7u c\u1ee7a m\u1eabu, t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u1ef1c k\u00e9o t\u1ed1i \u0111a trong qu\u00e1 tr\u00ecnh th\u1eed k\u00e9o. \u0110\u1ed9 gi\u00e3n d\u00e0i t\u1ea1i l\u1ef1c t\u1ed1i \u0111a \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb d\u01b0\u1edbi d\u1ea1ng ph\u1ea7n tr\u0103m so v\u1edbi chi\u1ec1u d\u00e0i ban \u0111\u1ea7u c\u1ee7a kho\u1ea3ng c\u00e1ch th\u1eed nghi\u1ec7m.<\/p>\n

Kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng k\u00e9o (TEA):<\/strong><\/p>\n

L\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee7a m\u1eabu th\u1eed khi b\u1ecb k\u00e9o gi\u00e3n d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c k\u00e9o, cho \u0111\u1ebfn khi b\u1eaft \u0111\u1ea7u \u0111\u1ee9t (th\u1eddi \u0111i\u1ec3m l\u1ef1c k\u00e9o \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i)<\/p>\n

Ch\u1ec9 s\u1ed1 h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng k\u00e9o:<\/strong><\/p>\n

N\u0103ng l\u01b0\u1ee3ng h\u1ea5p th\u1ee5 khi k\u00e9o chia cho tr\u1ecdng l\u01b0\u1ee3ng tr\u00ean \u0111\u01a1n v\u1ecb di\u1ec7n t\u00edch<\/p>\n

\"M\u00e1y<\/a><\/p>\n

C\u00e1c ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a m\u00e1y th\u1eed k\u00e9o ngang<\/h3>\n

\u0110o \u0111\u1ed9 b\u1ec1n k\u00e9o:\u00a0<\/strong>N\u00f3 \u0111o \u0111\u1ed9 \u1ee9ng su\u1ea5t t\u1ed1i \u0111a m\u00e0 v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c khi b\u1ecb k\u00e9o gi\u00e3n ho\u1eb7c k\u00e9o c\u0103ng tr\u01b0\u1edbc khi b\u1ecb \u0111\u1ee9t.
\n\u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t:\u00a0<\/strong>M\u00e1y th\u1eed nghi\u1ec7m c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 gi\u00e3n n\u1edf c\u1ee7a v\u1eadt li\u1ec7u tr\u01b0\u1edbc khi b\u1ecb \u0111\u1ee9t, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c t\u00ednh \u0111\u00e0n h\u1ed3i c\u1ee7a v\u1eadt li\u1ec7u.
\nGi\u1edbi h\u1ea1n ch\u1ea3y:<\/strong>\u00a0N\u00f3 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m m\u00e0 t\u1ea1i \u0111\u00f3 v\u1eadt li\u1ec7u b\u1eaft \u0111\u1ea7u bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c k\u00e9o.
\nM\u00f4-\u0111un \u0111\u00e0n h\u1ed3i:<\/strong>\u00a0M\u00e1y th\u1eed nghi\u1ec7m n\u00e0y gi\u00fap t\u00ednh to\u00e1n t\u1ef7 l\u1ec7 gi\u1eefa \u1ee9ng su\u1ea5t v\u00e0 bi\u1ebfn d\u1ea1ng trong gi\u1edbi h\u1ea1n \u0111\u00e0n h\u1ed3i c\u1ee7a v\u1eadt li\u1ec7u, t\u1eeb \u0111\u00f3 cho bi\u1ebft \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00f3.<\/p>\n

<\/h2>\n

C\u00e1c m\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a m\u00e1y th\u1eed k\u00e9o ngang<\/h3>\n

Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng:<\/strong>\u00a0\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c v\u1eadt li\u1ec7u \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t.
\nNghi\u00ean c\u1ee9u v\u1eadt li\u1ec7u:<\/strong>\u00a0\u0110\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c v\u1eadt li\u1ec7u m\u1edbi ho\u1eb7c c\u1ea3i ti\u1ebfn c\u00e1c v\u1eadt li\u1ec7u hi\u1ec7n c\u00f3 th\u00f4ng qua vi\u1ec7c t\u00ecm hi\u1ec3u c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a ch\u00fang.
\nPh\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m:<\/strong>\u00a0\u0110\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau, nh\u1eb1m h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf.
\nPh\u00e2n t\u00edch nguy\u00ean nh\u00e2n h\u1ecfng h\u00f3c:\u00a0<\/strong>\u0110\u1ec3 t\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n khi\u1ebfn v\u1eadt li\u1ec7u b\u1ecb h\u1ecfng trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh, t\u1eeb \u0111\u00f3 g\u00f3p ph\u1ea7n ng\u0103n ng\u1eeba c\u00e1c s\u1ef1 c\u1ed1 t\u01b0\u01a1ng t\u1ef1 trong t\u01b0\u01a1ng lai.<\/p>\n

\"M\u00e1y<\/p>\n

2. \u01afu \u0111i\u1ec3m c\u1ee7a m\u00e1y th\u1eed k\u00e9o ngang<\/h2>\n

V\u00edt bi ch\u00ednh x\u00e1c c\u00f3 c\u1ea5u tr\u00fac m\u1ed9t c\u1ed9t, \u0111\u1ea3m b\u1ea3o truy\u1ec1n \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c th\u1eed nghi\u1ec7m cao h\u01a1n.<\/p>\n

V\u1eadn h\u00e0nh b\u1eb1ng m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng 7 inch, th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng<\/p>\n

\u0110\u1ed9 b\u1ec1n k\u00e9o khi ng\u00e2m n\u01b0\u1edbc c\u1ee7a b\u1ec3 ch\u1ee9a n\u01b0\u1edbc \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a th\u1eed nghi\u1ec7m trong \u0111i\u1ec1u ki\u1ec7n ng\u00e2m n\u01b0\u1edbc (T\u00f9y ch\u1ecdn)<\/p>\n

K\u1ebft n\u1ed1i m\u00e1y t\u00ednh \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u (t\u00f9y ch\u1ecdn)<\/p>\n

M\u00e1y in nhi\u1ec7t m\u00f4-\u0111un cho ph\u00e9p in b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m ngay l\u1eadp t\u1ee9c<\/p>\n

3. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y th\u1eed k\u00e9o ngang<\/h2>\n

M\u1ed9t m\u1eabu th\u1eed c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ea5t \u0111\u1ecbnh \u0111\u01b0\u1ee3c k\u00e9o gi\u00e3n cho \u0111\u1ebfn khi \u0111\u1ee9t v\u1edbi t\u1ed1c \u0111\u1ed9 gi\u00e3n d\u00e0i kh\u00f4ng \u0111\u1ed5i b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng\u00a0M\u00e1y th\u1eed k\u00e9o ngang TST-H<\/strong>\u00a0d\u00f9ng \u0111\u1ec3 \u0111o v\u00e0 ghi l\u1ea1i l\u1ef1c k\u00e9o theo \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a m\u1eabu th\u1eed.<\/p>\n

D\u1ef1a tr\u00ean d\u1eef li\u1ec7u \u0111\u00e3 ghi nh\u1eadn, c\u00f3 th\u1ec3 t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 gi\u00e3n t\u01b0\u01a1ng \u1ee9ng t\u1ea1i l\u1ef1c t\u1ed1i \u0111a v\u00e0 n\u0103ng l\u01b0\u1ee3ng h\u1ea5p th\u1ee5 khi k\u00e9o.<\/p>\n

 <\/p>\n

4. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a m\u00e1y th\u1eed k\u00e9o ngang<\/h2>\n
\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
TST-H<\/td>\n<\/tr>\n
Ph\u1ea1m vi \u0111o<\/td>\n30N, 500N ho\u1eb7c theo y\u00eau c\u1ea7u<\/td>\n<\/tr>\n
Ph\u1ea1m vi \u0111o \u0111\u1ed9 gi\u00e3n d\u00e0i<\/td>\n45\u2013260 mm<\/td>\n<\/tr>\n
T\u1ed1c \u0111\u1ed9 k\u00e9o gi\u00e3n:<\/td>\n(1\u2013500) mm\/ph\u00fat<\/td>\n<\/tr>\n
T\u1ed1c \u0111\u1ed9 quay tr\u1edf l\u1ea1i<\/td>\n100 mm\/ph\u00fat<\/td>\n<\/tr>\n
Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c k\u1eb9p<\/td>\n1\u2013250 mm<\/td>\n<\/tr>\n
Ki\u1ec3m tra \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a t\u1ed1c \u0111\u1ed9<\/td>\n(1~10) mm\/ph\u00fat: \u00b10,1 mm\/ph\u00fat<\/td>\n<\/tr>\n
t\u1ea7n s\u1ed1 l\u1ea5y m\u1eabu<\/td>\n400 l\u1ea7n\/gi\u00e2y<\/td>\n<\/tr>\n
\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n\u2264\u00b10,51 TP4T<\/td>\n<\/tr>\n
\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a l\u1ef1c<\/td>\n\u00b10,1% (20~100%FS)<\/td>\n<\/tr>\n
\u0110\u1ed9 ph\u00e2n gi\u1ea3i bi\u1ebfn d\u1ea1ng<\/td>\n\u22640,1 mm<\/td>\n<\/tr>\n
V\u00ed d\u1ee5 v\u1ec1 k\u1eb9p<\/td>\nkh\u00ed n\u00e9n<\/td>\n<\/tr>\n
\u00c1p su\u1ea5t k\u1eb9p<\/td>\n0,2\u20130,7 MPa (c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh)<\/td>\n<\/tr>\n
Quy m\u00f4 m\u1eabu<\/td>\n1\u201325 mm<\/td>\n<\/tr>\n
Giao di\u1ec7n ng\u01b0\u1eddi-m\u00e1y<\/td>\nM\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng 7 inch<\/td>\n<\/tr>\n
B\u1ea3n in<\/td>\nm\u00e1y in nhi\u1ec7t t\u00edch h\u1ee3p.<\/td>\n<\/tr>\n
C\u00f4ng su\u1ea5t<\/td>\n220 V AC, 50 Hz<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc<\/td>\n650 \u00d7 500 \u00d7 400 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

5. Ti\u00eau chu\u1ea9n c\u1ee7a m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o ngang<\/h2>\n

GB\/T12914, GB\/T 24328.3, GB\/T 24328.4, GB\/T 24328.5, QB\/T5560, ISO 1924-1, ISO 1924-2, ISO 1924-3, ISO 12625-4, ISO 12625-5, TAPPI T494<\/p>\n

\"M\u00e1y<\/p>\n

6. C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 m\u00e1y th\u1eed k\u00e9o ngang<\/h2>\n

\u0110\u1ed9 b\u1ec1n k\u00e9o l\u00e0 g\u00ec?<\/strong>
\nL\u1ef1c k\u00e9o t\u1ed1i \u0111a ph\u00e1t sinh tr\u00ean m\u1eabu th\u1eed tr\u01b0\u1edbc khi b\u1ecb \u0111\u1ee9t trong th\u1eed nghi\u1ec7m k\u00e9o \u0111\u1ebfn khi \u0111\u1ee9t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n quy \u0111\u1ecbnh. \u0110\u1ed9 b\u1ec1n k\u00e9o (theo c\u00e1ch hi\u1ec3u \u1edf \u0111\u00e2y) l\u00e0 l\u1ef1c tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb chi\u1ec1u r\u1ed9ng c\u1ee7a m\u1eabu th\u1eed.<\/p>\n

Stretch l\u00e0 g\u00ec?<\/strong>
\n\u0110\u1ed9 bi\u1ebfn d\u1ea1ng k\u00e9o t\u1ed1i \u0111a xu\u1ea5t hi\u1ec7n tr\u00ean m\u1eabu th\u1eed tr\u01b0\u1edbc khi \u0111\u1ee9t trong th\u1eed nghi\u1ec7m k\u00e9o \u0111\u1ebfn khi \u0111\u1ee9t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n quy \u0111\u1ecbnh. \u0110\u1ed9 gi\u00e3n (ho\u1eb7c t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m gi\u00e3n d\u00e0i) \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb d\u01b0\u1edbi d\u1ea1ng ph\u1ea7n tr\u0103m, t\u1ee9c l\u00e0 m\u1ed9t tr\u0103m l\u1ea7n t\u1ef7 l\u1ec7 gi\u1eefa s\u1ef1 gia t\u0103ng chi\u1ec1u d\u00e0i c\u1ee7a m\u1eabu th\u1eed v\u00e0 chi\u1ec1u d\u00e0i ban \u0111\u1ea7u c\u1ee7a m\u1eabu th\u1eed.<\/p>\n

H\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng k\u00e9o (TEA) l\u00e0 g\u00ec?<\/strong>
\nC\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi m\u1eabu th\u1eed b\u1ecb t\u00e1c d\u1ee5ng l\u1ef1c k\u00e9o \u0111\u1ebfn khi \u0111\u1ee9t g\u00e3y trong \u0111i\u1ec1u ki\u1ec7n quy \u0111\u1ecbnh, \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng t\u00edch ph\u00e2n c\u1ee7a \u0111\u1ed9 b\u1ec1n k\u00e9o tr\u00ean ph\u1ea1m vi bi\u1ebfn d\u1ea1ng k\u00e9o t\u1eeb 0 \u0111\u1ebfn bi\u1ebfn d\u1ea1ng t\u1ed1i \u0111a. TEA \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb d\u01b0\u1edbi d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng tr\u00ean \u0111\u01a1n v\u1ecb di\u1ec7n t\u00edch (chi\u1ec1u r\u1ed9ng nh\u1ecbp th\u1eed nghi\u1ec7m) c\u1ee7a m\u1eabu th\u1eed.<\/p>\n

\u0110\u1ed9 c\u1ee9ng k\u00e9o l\u00e0 g\u00ec?<\/strong>
\nT\u1ef7 s\u1ed1 gi\u1eefa l\u1ef1c k\u00e9o tr\u00ean \u0111\u01a1n v\u1ecb chi\u1ec1u r\u1ed9ng v\u00e0 \u0111\u1ed9 bi\u1ebfn d\u1ea1ng k\u00e9o trong v\u00f9ng \u0111\u00e0n h\u1ed3i c\u1ee7a \u0111\u01b0\u1eddng cong m\u1ed1i quan h\u1ec7 l\u1ef1c k\u00e9o - \u0111\u1ed9 bi\u1ebfn d\u1ea1ng. V\u00f9ng \u0111\u00e0n h\u1ed3i c\u1ee7a \u0111\u01b0\u1eddng cong m\u1ed1i quan h\u1ec7 l\u1ef1c k\u00e9o - \u0111\u1ed9 bi\u1ebfn d\u1ea1ng l\u00e0 \u0111o\u1ea1n tuy\u1ebfn t\u00ednh c\u1ee7a \u0111\u01b0\u1eddng cong m\u1ed1i quan h\u1ec7 t\u1ea3i tr\u1ecdng - \u0111\u1ed9 gi\u00e3n d\u00e0i cho \u0111\u1ebfn gi\u1edbi h\u1ea1n \u0111\u00e0n h\u1ed3i. Gi\u1edbi h\u1ea1n \u0111\u00e0n h\u1ed3i l\u00e0 l\u1ef1c k\u00e9o t\u1ed1i \u0111a m\u00e0 khi v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n n\u00e0y, m\u1ed1i quan h\u1ec7 gi\u1eefa t\u1ea3i tr\u1ecdng v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i s\u1ebd kh\u00f4ng c\u00f2n tuy\u1ebfn t\u00ednh. (\u0110\u1ed9 c\u1ee9ng k\u00e9o v\u1ec1 m\u1eb7t s\u1ed1 h\u1ecdc t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi E\u00b7t, trong \u0111\u00f3 E l\u00e0 m\u00f4-\u0111un \u0111\u00e0n h\u1ed3i v\u00e0 t l\u00e0 \u0111\u1ed9 d\u00e0y m\u1eabu.)<\/p>\n

Chi\u1ec1u d\u00e0i \u0111\u1ee9t g\u00e3y l\u00e0 g\u00ec?<\/strong>
\nChi\u1ec1u d\u00e0i gi\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n c\u1ee7a m\u1ed9t d\u1ea3i c\u00f3 chi\u1ec1u r\u1ed9ng \u0111\u1ed3ng nh\u1ea5t; n\u1ebfu d\u1ea3i \u0111\u00f3 \u0111\u01b0\u1ee3c treo l\u00ean b\u1eb1ng m\u1ed9t \u0111\u1ea7u, th\u00ec khi v\u01b0\u1ee3t qu\u00e1 chi\u1ec1u d\u00e0i n\u00e0y, n\u00f3 s\u1ebd b\u1ecb \u0111\u1ee9t do ch\u00ednh tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a n\u00f3.<\/p>\n

Ch\u1ec9 s\u1ed1 \u0111\u1ed9 b\u1ec1n k\u00e9o l\u00e0 g\u00ec?<\/strong>
\n\u0110\u1ed9 b\u1ec1n k\u00e9o t\u00ednh b\u1eb1ng N\/m chia cho tr\u1ecdng l\u01b0\u1ee3ng tr\u00ean \u0111\u01a1n v\u1ecb di\u1ec7n t\u00edch.<\/p>\n

 <\/p>\n

N\u1ebfu qu\u00fd kh\u00e1ch c\u00f3 nhu c\u1ea7u mua h\u00e0ng, xin vui l\u00f2ng\u00a0li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/a>\u00a0v\u00e0\u00a0Cell Instruments<\/a>\u00a0s\u1ebd mang \u0111\u1ebfn cho qu\u00fd kh\u00e1ch nh\u1eefng s\u1ea3n ph\u1ea9m l\u00e0m qu\u00fd kh\u00e1ch h\u00e0i l\u00f2ng.<\/p>\n

\"M\u00e1y<\/a><\/p>","protected":false},"excerpt":{"rendered":"

1. Gi\u1edbi thi\u1ec7u v\u1ec1 M\u00e1y th\u1eed k\u00e9o ngang TST-H M\u00e1y th\u1eed k\u00e9o ngang TST-H l\u00e0 thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m v\u1edbi t\u1ed1c \u0111\u1ed9 gi\u00e3n d\u00e0i kh\u00f4ng \u0111\u1ed5i, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 gi\u00e3n d\u00e0i t\u1ea1i l\u1ef1c t\u1ed1i \u0111a v\u00e0 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng k\u00e9o, \u0111\u1ed9 c\u1ee9ng k\u00e9o c\u1ee7a gi\u1ea5y, b\u00eca gi\u1ea5y, gi\u1ea5y l\u1ee5a v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb gi\u1ea5y l\u1ee5a. Thi\u1ebft b\u1ecb n\u00e0y c\u0169ng t\u00ednh to\u00e1n ch\u1ec9 s\u1ed1 \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 ch\u1ec9 s\u1ed1 n\u0103ng l\u01b0\u1ee3ng h\u1ea5p th\u1ee5 khi k\u00e9o. Thu\u1eadt ng\u1eef \u0110\u1ed9 b\u1ec1n k\u00e9o: [\u2026]<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false},"products-categories":[1468],"productstags":[],"standard-category":[1555],"class_list":["post-2888","products","type-products","status-publish","hentry","products-categories-paper-board-tester","standard-category-astm-g143"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.materialstests.com\/vi\/wp-json\/wp\/v2\/products\/2888","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.materialstests.com\/vi\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/www.materialstests.com\/vi\/wp-json\/wp\/v2\/types\/products"}],"version-history":[{"count":1,"href":"https:\/\/www.materialstests.com\/vi\/wp-json\/wp\/v2\/products\/2888\/revisions"}],"predecessor-version":[{"id":3310,"href":"https:\/\/www.materialstests.com\/vi\/wp-json\/wp\/v2\/products\/2888\/revisions\/3310"}],"wp:attachment":[{"href":"https:\/\/www.materialstests.com\/vi\/wp-json\/wp\/v2\/media?parent=2888"}],"wp:term":[{"taxonomy":"products-categories","embeddable":true,"href":"https:\/\/www.materialstests.com\/vi\/wp-json\/wp\/v2\/products-categories?post=2888"},{"taxonomy":"productstags","embeddable":true,"href":"https:\/\/www.materialstests.com\/vi\/wp-json\/wp\/v2\/productstags?post=2888"},{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.materialstests.com\/vi\/wp-json\/wp\/v2\/standard-category?post=2888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}