{"id":1528,"date":"2026-08-16T01:30:40","date_gmt":"2026-08-16T01:30:40","guid":{"rendered":"https:\/\/benlongkj.com\/?p=1528"},"modified":"2026-08-16T01:30:44","modified_gmt":"2026-08-16T01:30:44","slug":"automatic-screw-machine-2","status":"publish","type":"post","link":"https:\/\/benlongkj.com\/vi\/blog\/automatic-screw-machine-2\/","title":{"rendered":"M\u00e1y V\u1eb7n V\u00edt T\u1ef1 \u0110\u1ed9ng cho L\u1eafp R\u00e1p MCCB: Ti\u00eau Chu\u1ea9n M\u00f4-men Xi\u1ebft \u0110\u1ea7u C\u1ef1c v\u00e0 B\u1ea3ng Tham Kh\u1ea3o"},"content":{"rendered":"

M\u1ed8T m\u00e1y v\u1eb7n v\u00edt t\u1ef1 \u0111\u1ed9ng<\/strong> r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng trong d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u1ea7u dao v\u1ecf \u0111\u00fac v\u00ec m\u1ed9t l\u00fd do quan tr\u1ecdng: v\u00edt \u0111\u1ea7u cu\u1ed1i l\u00e0 m\u1ed9t m\u1ed1i n\u1ed1i an to\u00e0n thi\u1ebft y\u1ebfu, v\u00e0 m\u00f4-men xo\u1eafn l\u00e0 y\u1ebfu t\u1ed1 duy nh\u1ea5t \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a n\u00f3. v\u00edt \u0111\u1ea7u cu\u1ed1i<\/strong> trong m\u1ed9t MCCB kh\u00f4ng ch\u1ec9 gi\u1eef d\u00e2y \u1edf v\u1ecb tr\u00ed c\u1ee7a n\u00f3, m\u00e0 c\u00f2n cung c\u1ea5p l\u1ef1c k\u1eb9p c\u01a1 h\u1ecdc \u00e9p d\u00e2y d\u1eabn v\u00e0o \u0111\u1ea7u cu\u1ed1i. L\u1ef1c k\u1eb9p n\u00e0y quy\u1ebft \u0111\u1ecbnh \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac, kh\u1ea3 n\u0103ng mang d\u00f2ng \u0111i\u1ec7n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u1ed1i n\u1ed1i tr\u01b0\u1edbc rung \u0111\u1ed9ng v\u00e0 nhi\u1ec7t \u0111\u1ed9 trong nhi\u1ec1u n\u0103m. M\u00f4-men xo\u1eafn sai s\u1ebd d\u1eabn \u0111\u1ebfn th\u1ea5t b\u1ea1i c\u1ee7a m\u1ed1i n\u1ed1i, ban \u0111\u1ea7u l\u00e0 \u00e2m th\u1ea7m, sau \u0111\u00f3 l\u00e0 ph\u00e1 h\u1ee7y.<\/p>\n

B\u00e0i vi\u1ebft n\u00e0y d\u00e0nh cho c\u00e1c k\u1ef9 s\u01b0 hi\u1ec3u t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch. B\u00e0i vi\u1ebft m\u00f4 t\u1ea3 ch\u1ee9c n\u0103ng c\u1ee7a v\u00edt MCCB \u0111\u1ea7u cu\u1ed1i, c\u00e1c quy \u0111\u1ecbnh m\u00f4-men xo\u1eafn kh\u00e1c nhau v\u00e0 b\u1ea3ng tham kh\u1ea3o v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 li\u1ec7u m\u00f4-men xo\u1eafn \u0111\u00e3 c\u00f4ng b\u1ed1.<\/p>\n

\"\"<\/p>\n

V\u00edt \u0111\u1ea7u cu\u1ed1i MCCB th\u1ef1c s\u1ef1 l\u00e0m g\u00ec<\/h2>\n

Vai tr\u00f2 ch\u00ednh c\u1ee7a vi\u1ec7c si\u1ebft ch\u1eb7t MCCB v\u00edt \u0111\u1ea7u cu\u1ed1i<\/strong> l\u00e0 c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn d\u00e2y d\u1eabn l\u00ean \u0111\u1ea7u cu\u1ed1i d\u1eabn d\u00f2ng b\u1eb1ng \u00e1p l\u1ef1c c\u01a1 h\u1ecdc t\u1ea1o ra \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac th\u1ea5p, kh\u1ea3 n\u0103ng mang d\u00f2ng \u0111\u1ecbnh m\u1ee9c v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ecfng trong su\u1ed1t v\u00f2ng \u0111\u1eddi s\u1eed d\u1ee5ng. N\u00f3 \u0111\u00e1p \u1ee9ng b\u1ed1n y\u00eau c\u1ea7u sau, m\u1ed7i y\u00eau c\u1ea7u l\u00e0 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p m\u00f4-men xo\u1eafn sai d\u1eabn \u0111\u1ebfn th\u1ea5t b\u1ea1i th\u1ef1c t\u1ebf.<\/p>\n

\u0110\u1ea3m b\u1ea3o m\u1ed1i n\u1ed1i \u0111i\u1ec7n \u0111\u00e1ng tin c\u1eady. M\u00f4-men xo\u1eafn c\u1ee7a v\u00edt cung c\u1ea5p l\u1ef1c k\u1eb9p \u0111\u01b0a d\u00e2y d\u1eabn ti\u1ebfp x\u00fac ch\u1eb7t v\u1edbi kim lo\u1ea1i \u0111\u1ea7u cu\u1ed1i t\u1ea1o th\u00e0nh m\u1ea1ch hi\u1ec7u qu\u1ea3 v\u00e0 c\u00f3 tr\u1edf kh\u00e1ng th\u1ea5p. M\u00f4-men xo\u1eafn kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 l\u1ea1i m\u1ed1i n\u1ed1i c\u00f3 \u0111i\u1ec7n tr\u1edf cao ngay t\u1eeb \u0111\u1ea7u v\u1eadn h\u00e0nh.
\nGi\u1eef \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac v\u00e0 s\u1ef1 t\u0103ng nhi\u1ec7t th\u1ea5p. Khi l\u1ef1c k\u1eb9p \u0111\u1ee7, c\u00e1c khe h\u1edf vi m\u00f4 t\u1ea1i m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c \u0111\u00f3ng l\u1ea1i. \u0110i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac cao d\u1eabn \u0111\u1ebfn nhi\u1ec7t I\u00b2R v\u00e0 k\u1ebft n\u1ed1i l\u1ecfng ho\u1eb7c m\u1ed9t ph\u1ea7n th\u01b0\u1eddng l\u00e0 m\u1ed9t trong nh\u1eefng ngu\u1ed3n g\u00e2y ch\u00e1y ph\u1ed5 bi\u1ebfn trong b\u1ea3ng ph\u00e2n ph\u1ed1i. \u0110\u00f3 l\u00e0 lo\u1ea1i l\u1ed7i m\u00e0 ki\u1ec3m so\u00e1t m\u00f4-men xo\u1eafn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ng\u0103n ng\u1eeba.
\nCh\u1ecbu \u0111\u01b0\u1ee3c rung \u0111\u1ed9ng v\u00e0 gi\u00e3n n\u1edf nhi\u1ec7t. M\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c si\u1ebft \u0111\u00fang m\u00f4-men xo\u1eafn c\u00f3 th\u1ec3 ch\u1ed1ng l\u1ea1i s\u1ef1 t\u1ef1 l\u1ecfng do rung \u0111\u1ed9ng thi\u1ebft b\u1ecb v\u00e0 s\u1ef1 gi\u00e3n n\u1edf co l\u1ea1i theo chu k\u1ef3 c\u1ee7a \u0111\u1ed3ng trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. M\u00f4-men xo\u1eafn \u0111\u00fang \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i \u0111\u00e1ng tin c\u1eady qua h\u00e0ng ngh\u00ecn chu k\u1ef3 nhi\u1ec7t.
\n\u0110\u1ea3m b\u1ea3o an to\u00e0n c\u00e1ch ly. D\u00e2y d\u1eabn \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t \u0111\u00fang c\u00e1ch s\u1ebd kh\u00f4ng b\u1ecb l\u1ecfng v\u00e0 t\u1ea1o ra m\u1ea1ch ng\u1eafn ho\u1eb7c m\u1ea1ch h\u1edf, trong khi c\u1ee5m l\u1eafp r\u00e1p v\u1eabn tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 kho\u1ea3ng c\u00e1ch v\u00e0 \u0111\u01b0\u1eddng r\u00f2 m\u00e0 c\u1ea7u dao \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra.<\/p>\n

C\u1ea3 vi\u1ec7c si\u1ebft l\u1ef1c qu\u00e1 th\u1ea5p v\u00e0 qu\u00e1 cao \u0111\u1ec1u nguy hi\u1ec3m nh\u01b0 nhau. M\u1ed9t con v\u00edt si\u1ebft l\u1ef1c qu\u00e1 th\u1ea5p s\u1ebd \u0111\u1ec3 l\u1ea1i k\u1ebft n\u1ed1i l\u1ecfng l\u1ebbo, qu\u00e1 nhi\u1ec7t, trong khi m\u1ed9t con v\u00edt si\u1ebft l\u1ef1c qu\u00e1 cao c\u00f3 th\u1ec3 l\u00e0m tr\u00f3c ren, ho\u1eb7c k\u1eb9p b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c v\u1ecf khu\u00f4n b\u1ecb n\u1ee9t d\u1eabn \u0111\u1ebfn m\u1ed1i n\u1ed1i tr\u00f4ng t\u1ed1t trong x\u01b0\u1edfng nh\u01b0ng l\u1ea1i h\u1ecfng khi v\u1eadn h\u00e0nh sau v\u00e0i chu k\u1ef3. C\u1ea7n l\u01b0u \u00fd r\u1eb1ng v\u00f9ng an to\u00e0n l\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb nh\u1ea5t \u0111\u1ecbnh ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ed9t h\u01b0\u1edbng, ch\u00ednh v\u00ec v\u1eady vi\u1ec7c d\u1ef1a v\u00e0o \u0111o\u00e1n th\u1ee7 c\u00f4ng khi s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn l\u00e0 m\u1ed9t r\u1ee7i ro.<\/p>\n

C\u00e1c ti\u00eau chu\u1ea9n \u0111\u1eb1ng sau m\u00f4-men xo\u1eafn \u0111\u1ea7u c\u1ed1t MCCB<\/h2>\n

MCCB c\u01a1 b\u1ea3n l\u00e0 c\u00e1c ti\u00eau chu\u1ea9n IEC 60947-2 li\u00ean quan \u0111\u1ebfn c\u1ea7u dao \u0111i\u1ec7n \u00e1p th\u1ea5p, v\u1edbi c\u00e1c quy t\u1eafc c\u01a1 b\u1ea3n l\u1ea5y t\u1eeb IEC 60947-1. Y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u1ea7u c\u1ed1t trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 tuy\u1ec7t \u0111\u1ed1i: c\u00e1c \u0111\u1ea7u c\u1ed1t \u0111\u00f3 ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c gi\u1edbi h\u1ea1n v\u1ec1 \u0111\u1ed9 tin c\u1eady c\u01a1 h\u1ecdc v\u00e0 \u0111i\u1ec7n v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c si\u1ebft b\u1eb1ng m\u00f4-men xo\u1eafn theo b\u1ea3ng #4 c\u1ee7a IEC 60947-1 d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc ren c\u1ee5 th\u1ec3. C\u1ee5 th\u1ec3, m\u00f4-men xo\u1eafn c\u1ee7a \u0111\u1ea7u c\u1ed1t l\u00e0 m\u1ed9t \u0111\u1eb7c t\u00ednh \u0111\u01b0\u1ee3c khai b\u00e1o, li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd v\u1edbi lo\u1ea1i ren v\u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn trong c\u00e1c b\u00e0i ki\u1ec3m tra.<\/p>\n

D\u1ef1a tr\u00ean th\u1ef1c t\u1ebf r\u1eb1ng gi\u00e1 tr\u1ecb \u0111\u00fang l\u00e0 \u0111\u1eb7c th\u00f9 cho t\u1eebng thi\u1ebft b\u1ecb, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f4ng b\u1ed1 ch\u00fang. Trong tr\u01b0\u1eddng h\u1ee3p m\u1ed9t s\u1ed1 th\u01b0\u01a1ng hi\u1ec7u MCCB, c\u00e1c gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c ghi b\u1eb1ng laser tr\u00ean c\u00e1c \u0111\u1ea7u c\u1ed1t. \u0110\u1ed1i v\u1edbi c\u00e1c th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn, h\u1ecd bao g\u1ed3m c\u00e1c gi\u00e1 tr\u1ecb n\u00e0y trong h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3ng d\u1eef li\u1ec7u \u0111\u1ea7u c\u1ed1t. Do \u0111\u00f3, khuy\u1ebfn ngh\u1ecb chung cho k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n: m\u00f4-men xo\u1eafn ch\u00ednh th\u1ee9c cho m\u1ed7i thi\u1ebft b\u1ecb l\u00e0 gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c ghi tr\u00ean thi\u1ebft b\u1ecb \u0111\u00f3 v\u00ec n\u00f3 thay \u0111\u1ed5i t\u00f9y theo lo\u1ea1i \u0111\u1ea7u c\u1ed1t v\u00e0 ti\u1ebft di\u1ec7n d\u00e2y, v\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n, v.v. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y ch\u1ec9 mang t\u00ednh tham kh\u1ea3o cho m\u1ed9t s\u1ed1 m\u1ee5c \u0111\u00edch.<\/p>\n

C\u1ea7n l\u00e0m r\u00f5 c\u00e1c b\u00e0i ki\u1ec3m tra th\u1ef1c t\u1ebf m\u00e0 c\u00e1c k\u1ebft n\u1ed1i ph\u1ea3i tr\u1ea3i qua v\u00ec \u0111i\u1ec1u n\u00e0y gi\u00fap hi\u1ec3u r\u1eb1ng m\u00f4-men xo\u1eafn quy \u0111\u1ecbnh l\u00e0 kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng. Qu\u00e1 tr\u00ecnh x\u00e1c minh \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 trong t\u00e0i li\u1ec7u m\u00f4 t\u1ea3 qu\u00e1 tr\u00ecnh x\u00e1c minh. Trong qu\u00e1 tr\u00ecnh x\u00e1c minh m\u00f4-men xo\u1eafn, c\u00e1c d\u00e2y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng theo c\u00e1ch quy \u0111\u1ecbnh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i kh\u00f4ng b\u1ecb ch\u00e1y v\u00e0 kh\u00f4ng b\u1ecb l\u1ecfng. \u0110\u1ea7u c\u1ed1t ch\u1ec9 d\u1ef1a v\u00e0o may m\u1eafn s\u1ebd kh\u00f4ng bao gi\u1edd \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a qu\u00e1 tr\u00ecnh x\u00e1c minh n\u00e0y.<\/p>\n

\"\"<\/p>\n

B\u1ea3ng tham kh\u1ea3o m\u00f4-men xo\u1eafn \u0111\u1ea7u c\u1ed1t MCCB<\/h2>\n

B\u1ea3ng tr\u00ecnh b\u00e0y c\u00e1c m\u00f4-men xo\u1eafn k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 cho hai lo\u1ea1i MCCB ph\u1ed5 bi\u1ebfn: ABB Tmax v\u00e0 Siemens 3VA, cung c\u1ea5p t\u1ed5ng quan v\u1ec1 c\u00e1c gi\u00e1 tr\u1ecb v\u00e0 cho ph\u00e9p b\u1ea1n tra c\u1ee9u gi\u00e1 tr\u1ecb cho m\u1ed9t d\u00f2ng\/khung c\u1ee5 th\u1ec3. C\u00e1c s\u1ed1 li\u1ec7u \u0111\u01b0\u1ee3c tr\u00edch xu\u1ea5t t\u1eeb h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. Trong tr\u01b0\u1eddng h\u1ee3p c\u00f9ng m\u1ed9t m\u00f4-men xo\u1eafn \u00e1p d\u1ee5ng cho nhi\u1ec1u k\u00edch th\u01b0\u1edbc d\u00e2y d\u1eabn, m\u00f4-men xo\u1eafn thay \u0111\u1ed5i theo ti\u1ebft di\u1ec7n nh\u01b0 \u0111\u01b0\u1ee3c n\u00eau trong c\u1ed9t cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
D\u00f2ng (nh\u00e0 s\u1ea3n xu\u1ea5t)<\/th>\nKhung \/ c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c<\/th>\nLo\u1ea1i \u0111\u1ea7u c\u1ed1t ho\u1eb7c d\u00e2y d\u1eabn<\/th>\nM\u00f4-men si\u1ebft<\/th>\n<\/tr>\n<\/thead>\n
Tmax T (ABB)<\/td>\nT1<\/td>\nK\u1ebft n\u1ed1i c\u00e1p, l\u00ean \u0111\u1ebfn 70 mm\u00b2<\/td>\n7 Nm<\/td>\n<\/tr>\n
Tmax T (ABB)<\/td>\nT2<\/td>\nK\u1ebft n\u1ed1i thanh tr\u01b0\u1edbc<\/td>\n6 Nm<\/td>\n<\/tr>\n
Tmax T (ABB)<\/td>\nT3<\/td>\nK\u1ebft n\u1ed1i thanh tr\u01b0\u1edbc<\/td>\n8 Nm<\/td>\n<\/tr>\n
Tmax T (ABB)<\/td>\nT4<\/td>\nK\u1ebft n\u1ed1i thanh tr\u01b0\u1edbc<\/td>\n18 Nm<\/td>\n<\/tr>\n
Tmax T (ABB)<\/td>\nT5<\/td>\nK\u1ebft n\u1ed1i thanh tr\u01b0\u1edbc<\/td>\n28 Nm<\/td>\n<\/tr>\n
Tmax T (ABB)<\/td>\nT6<\/td>\nK\u1ebft n\u1ed1i thanh tr\u01b0\u1edbc<\/td>\n9 Nm<\/td>\n<\/tr>\n
Tmax T (ABB)<\/td>\nT7<\/td>\nK\u1ebft n\u1ed1i thanh tr\u01b0\u1edbc<\/td>\n18 Nm<\/td>\n<\/tr>\n
Tmax T (ABB)<\/td>\nT8<\/td>\nC\u1ef1c ch\u00ednh, v\u00edt c\u01b0\u1eddng \u0111\u1ed9 cao M12<\/td>\n70 Nm<\/td>\n<\/tr>\n
Tmax XT (ABB)<\/td>\nXT5<\/td>\nC\u1ef1c tr\u01b0\u1edbc (F)<\/td>\n36 Nm<\/td>\n<\/tr>\n
Tmax XT (ABB)<\/td>\nXT5<\/td>\n\u0110\u1ea7u c\u00e1p FC Cu\/Al (theo k\u00edch th\u01b0\u1edbc)<\/td>\n23 \/ 31 \/ 36 Nm<\/td>\n<\/tr>\n
Tmax XT (ABB)<\/td>\nXT c\u1eafm \/ r\u00fat<\/td>\nC\u1ed1 \u0111\u1ecbnh c\u1ef1c EF<\/td>\n4 \u2013 5 Nm<\/td>\n<\/tr>\n
3VA (Siemens)<\/td>\n3VA1 \/ 3VA2, l\u00ean \u0111\u1ebfn 250 A<\/td>\nC\u00e1p Cu: 1.5 mm\u00b2 \/ 2.5-10 mm\u00b2 \/ 16 mm\u00b2<\/td>\n8 \/ 6.2 \/ 7 Nm<\/td>\n<\/tr>\n
3VA (Siemens)<\/td>\n3VA5, 250 A<\/td>\nD\u00e2y \u0111\u01a1n Cu\/Al, \u0111\u1eb7c 16 mm\u00b2<\/td>\n8 Nm<\/td>\n<\/tr>\n
3VA (Siemens)<\/td>\n3VA52, 250 A<\/td>\n\u0110\u1ea7u h\u1ed9p: 6-16 mm\u00b2 \/ 35-95 mm\u00b2<\/td>\n6 \/ 10 Nm<\/td>\n<\/tr>\n
3VA (Siemens)<\/td>\n3VA57, khung l\u1edbn<\/td>\nCu, b\u1ec7n 50-240 mm\u00b2<\/td>\n4 Nm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ch\u1ec9 l\u1ea5y ch\u00fang l\u00e0m gi\u00e1 tr\u1ecb tham kh\u1ea3o. Vi\u1ec7c ki\u1ec3m tra t\u1eebng k\u1ebft n\u1ed1i v\u1ec1 ch\u1ec9 s\u1ed1 m\u00f4-men xo\u1eafn tr\u00ean thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch c\u1ee5 th\u1ec3 v\u00e0 t\u00e0i li\u1ec7u l\u1eafp \u0111\u1eb7t tr\u01b0\u1edbc khi l\u1eafp r\u00e1p v\u00e0 v\u1eadn h\u00e0nh l\u00e0 r\u1ea5t quan tr\u1ecdng, \u0111\u1ed3ng th\u1eddi duy tr\u00ec h\u1ed3 s\u01a1 v\u1ec1 m\u00f4-men xo\u1eafn c\u00f9ng v\u1edbi danh t\u00ednh c\u00f4ng c\u1ee5 v\u00e0 gi\u00e1 tr\u1ecb ghi nh\u1eadn c\u1ee7a t\u1eebng k\u1ebft n\u1ed1i v\u00ec h\u1ed3 s\u01a1 \u0111\u00f3 s\u1ebd l\u00e0 t\u00e0i s\u1ea3n trong c\u00e1c cu\u1ed9c ki\u1ec3m to\u00e1n v\u00e0 b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 ch\u1ee9ng minh s\u1ef1 c\u1ea9n tr\u1ecdng c\u1ee7a m\u00ecnh n\u1ebfu b\u1ea5t k\u1ef3 k\u1ebft n\u1ed1i n\u00e0o b\u1ecb nghi v\u1ea5n.<\/p>\n

T\u1ea1i sao s\u1ef1 nh\u1ea5t qu\u00e1n v\u1ec1 m\u00f4-men xo\u1eafn l\u00e0 v\u1ea5n \u0111\u1ec1 trong s\u1ea3n xu\u1ea5t<\/h2>\n

M\u00f4-men xo\u1eafn, \u0111\u01b0\u1ee3c k\u1ef9 thu\u1eadt vi\u00ean \u00e1p d\u1ee5ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng, \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong b\u1ea3ng, trong khi \u0111\u1ed9 tin c\u1eady m\u00e0 n\u00f3 h\u1ee9a h\u1eb9n \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp t\u1eeb l\u00e2u t\u1ea1i nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch. M\u1ed7i MCCB bao g\u1ed3m m\u1ed9t nh\u00f3m v\u00edt tr\u00ean c\u00e1c c\u1ef1c v\u00e0 v\u00edt c\u01a1 ch\u1ebf c\u1ea7n \u0111\u01b0\u1ee3c si\u1ebft v\u1edbi m\u00f4-men xo\u1eafn x\u00e1c \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t. Sau khi s\u1ea3n xu\u1ea5t, m\u1ed1i n\u1ed1i b\u00ean trong n\u00e0y ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng theo c\u00e1c quy lu\u1eadt v\u1eadt l\u00fd. N\u1ebfu v\u00edt kh\u00f4ng si\u1ebft \u0111\u1ee7 ch\u1eb7t, s\u1ebd x\u1ea3y ra qu\u00e1 nhi\u1ec7t; \u0111\u1ed3ng th\u1eddi, n\u1ebfu si\u1ebft qu\u00e1 ch\u1eb7t, v\u1ecf thi\u1ebft b\u1ecb s\u1ebd b\u1ecb h\u01b0 h\u1ea1i.<\/p>\n

\u0110\u00e2y l\u00e0 n\u01a1i m\u1ed9t m\u00e1y v\u1eb7n v\u00edt t\u1ef1 \u0111\u1ed9ng<\/strong> thay \u0111\u1ed5i ph\u01b0\u01a1ng tr\u00ecnh. Thay v\u00ec c\u00f4ng nh\u00e2n \u0111\u00e1nh gi\u00e1 m\u00f4-men xo\u1eafn b\u1eb1ng c\u1ea3m gi\u00e1c, thi\u1ebft b\u1ecb s\u1ebd si\u1ebft m\u1ed7i v\u00edt \u0111\u1ebfn gi\u00e1 tr\u1ecb l\u1eadp tr\u00ecnh trong \u0111i\u1ec1u khi\u1ec3n v\u00f2ng k\u00edn, \u00e1p d\u1ee5ng gi\u1ed1ng nhau cho s\u1ea3n ph\u1ea9m \u0111\u1ea7u ti\u00ean c\u1ee7a ca v\u00e0 s\u1ea3n ph\u1ea9m th\u1ee9 10.000, v\u00e0 l\u01b0u tr\u1eef gi\u00e1 tr\u1ecb t\u01b0\u01a1ng \u1ee9ng. Nh\u1eefng g\u00ec kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh ho\u1eb7c \u0111o l\u01b0\u1eddng trong l\u1eafp r\u00e1p th\u1ee7 c\u00f4ng tr\u1edf th\u00e0nh m\u1ed9t quy tr\u00ecnh c\u1ed1 \u0111\u1ecbnh \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t. \u0110\u1ed1i v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t MCCB trong c\u00e1c th\u1ecb tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa vi\u1ec7c tuy\u00ean b\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ch\u1ee9ng minh n\u00f3.<\/p>\n

Kh\u00eda c\u1ea1nh kinh t\u1ebf \u1ee7ng h\u1ed9 l\u1eadp lu\u1eadn n\u00e0y. M\u1ed9t cell \u0111i\u1ec1u ch\u1ec9nh lo\u1ea1i b\u1ecf s\u1ef1 sai l\u1ec7ch c\u00f3 th\u1ec3 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p th\u1ee7 c\u00f4ng v\u00e0o gi\u1edd cu\u1ed1i ca, gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c ki\u1ec3m tra k\u1ebft n\u1ed1i, v\u00e0 gi\u1ea3m l\u01b0\u1ee3ng ph\u1ebf ph\u1ea9m c\u0169ng nh\u01b0 r\u1ee7i ro b\u1ea3o h\u00e0nh li\u00ean quan \u0111\u1ebfn \u0111\u1ea7u c\u1ef1c l\u1ecfng c\u00f3 th\u1ec3 ph\u00e1t sinh khi c\u00f4ng t\u1eafc \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng. So v\u1edbi c\u00e1c l\u1eadp lu\u1eadn tr\u01b0\u1edbc, c\u0169ng c\u1ea7n \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u0103ng su\u1ea5t c\u1ee7a cell chuy\u00ean d\u1ee5ng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng m\u1ed9t ho\u1eb7c hai ca m\u00e0 kh\u00f4ng m\u1ec7t m\u1ecfi. Th\u1eddi gian ho\u00e0n v\u1ed1n cho m\u1ed9t m\u00e1y si\u1ebft v\u00edt t\u1ef1 \u0111\u1ed9ng MCCB<\/strong> th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng th\u00e1ng, v\u00e0 kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c m\u00e0 n\u00f3 t\u1ea1o ra ti\u1ebfp t\u1ee5c mang l\u1ea1i l\u1ee3i \u00edch m\u1ed7i khi c\u1ea7n tr\u1ea3 l\u1eddi ki\u1ec3m to\u00e1n kh\u00e1ch h\u00e0ng ho\u1eb7c khi\u1ebfu n\u1ea1i hi\u1ec7n tr\u01b0\u1eddng b\u1eb1ng d\u1eef li\u1ec7u thay v\u00ec l\u1eddi \u0111\u1ea3m b\u1ea3o.<\/p>\n

C\u00e1ch m\u00e1y si\u1ebft v\u00edt t\u1ef1 \u0111\u1ed9ng duy tr\u00ec m\u00f4-men xo\u1eafn tr\u00ean d\u00e2y chuy\u1ec1n MCCB<\/h2>\n

C\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a cell c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 v\u00f2ng k\u00edn, v\u00e0 k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n c\u1ee7a v\u00edt MCCB c\u00f9ng v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng l\u1edbn h\u01a1n so v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn c\u1ed1 \u0111\u1ecbnh c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch nh\u1ecf y\u00eau c\u1ea7u c\u01a1 ch\u1ebf c\u1ea5p v\u00e0 c\u01a1 ch\u1ebf l\u00e1i ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd. L\u00e0 m\u1ed9t m\u00e1y c\u1ea5p v\u00edt t\u1ef1 \u0111\u1ed9ng<\/strong> v\u00e0 b\u1ed9 l\u00e1i trong c\u00f9ng m\u1ed9t khung, n\u00f3 x\u1eed l\u00fd vi\u1ec7c giao h\u00e0ng v\u00e0 si\u1ebft ch\u1eb7t c\u00f3 ki\u1ec3m so\u00e1t c\u00f9ng nhau, \u0111i\u1ec1u n\u00e0y ph\u00e2n bi\u1ec7t m\u1ed9t cell s\u1ea3n xu\u1ea5t v\u1edbi m\u1ed9t b\u1ed9 l\u00e1i tr\u00ean gi\u00e1 \u0111\u1ee1.<\/p>\n

    \n
  1. C\u1ea5p v\u00edt. H\u1ec7 th\u1ed1ng rung ho\u1eb7c c\u1ea5p th\u1ed5i t\u00e1ch v\u00edt t\u1eeb s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u00e0 tr\u00ecnh b\u00e0y ch\u00fang, \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u01b0\u1edbng ch\u00ednh x\u00e1c, t\u1edbi tr\u1ee5c ch\u00ednh. Vi\u1ec7c tr\u00ecnh b\u00e0y \u0111\u00e1ng tin c\u1eady c\u00e1c v\u00edt MCCB n\u1eb7ng h\u01a1n l\u00e0 \u0111i\u1ec1u l\u00e0m cho chu tr\u00ecnh kh\u00f4ng c\u1ea7n gi\u00e1m s\u00e1t tr\u1edf n\u00ean kh\u1ea3 thi.<\/li>\n
  2. \u0110\u1ecbnh v\u1ecb chi ti\u1ebft. Th\u00e2n b\u1ed9 ng\u1eaft ho\u1eb7c c\u1ee5m \u0111\u1ea7u cu\u1ed1i \u0111\u01b0\u1ee3c \u0111\u1ecbnh v\u1ecb v\u00e0 k\u1eb9p sao cho l\u1ed7 n\u1eb1m ch\u00ednh x\u00e1c d\u01b0\u1edbi tr\u1ee5c ch\u00ednh, \u0111i\u1ec1u n\u00e0y ng\u0103n ng\u1eeba vi\u1ec7c ren ch\u00e9o v\u00e0 si\u1ebft sai tr\u00ean c\u00e1c ren l\u1edbn h\u01a1n.<\/li>\n
  3. L\u00e1i c\u00f3 ki\u1ec3m so\u00e1t m\u00f4-men xo\u1eafn. B\u1ed9 l\u00e1i servo ho\u1eb7c DC ch\u1ea1y v\u00edt xu\u1ed1ng v\u00e0 d\u1eebng t\u1ea1i m\u00f4-men xo\u1eafn \u0111\u00e3 l\u1eadp tr\u00ecnh, th\u01b0\u1eddng k\u00e8m theo gi\u00e1m s\u00e1t g\u00f3c c\u00f9ng v\u1edbi m\u00f4-men xo\u1eafn \u0111\u1ec3 ph\u00e1t hi\u1ec7n ren b\u1ecb tr\u00f3c ho\u1eb7c ren ch\u00e9o thay v\u00ec ghi nh\u1eadn l\u00e0 \u0111\u1ea1t.<\/li>\n
  4. Ki\u1ec3m tra tr\u1ef1c tuy\u1ebfn. M\u00f4-men xo\u1eafn v\u00e0 g\u00f3c \u0111\u01b0\u1ee3c ki\u1ec3m tra trong m\u1ed7i chu tr\u00ecnh, v\u00e0 b\u1ea5t k\u1ef3 v\u00edt n\u00e0o b\u1ecb tr\u00f4i, tr\u00f3c ren ho\u1eb7c si\u1ebft ch\u01b0a \u0111\u1ee7 \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u t\u1ea1i tr\u1ea1m, v\u00ec v\u1eady m\u1ed1i n\u1ed1i nghi ng\u1edd kh\u00f4ng bao gi\u1edd r\u1eddi \u0111i m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u.<\/li>\n
  5. Ghi d\u1eef li\u1ec7u. M\u1ed7i k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c ghi l\u1ea1i theo t\u1eebng \u0111\u01a1n v\u1ecb, cung c\u1ea5p kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c m\u00e0 c\u00e1c cu\u1ed9c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u00e1nh gi\u00e1 kh\u00e1ch h\u00e0ng ng\u00e0y c\u00e0ng y\u00eau c\u1ea7u.<\/li>\n<\/ol>\n

    \u0110\u00e1ng \u0111\u1ec3 gi\u1eef hai ng\u1eef c\u1ea3nh m\u00f4-men xo\u1eafn ri\u00eang bi\u1ec7t. C\u00e1c gi\u00e1 tr\u1ecb trong b\u1ea3ng tham kh\u1ea3o l\u00e0 m\u00f4-men xo\u1eafn k\u1ebft n\u1ed1i hi\u1ec7n tr\u01b0\u1eddng m\u00e0 ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t \u00e1p d\u1ee5ng, l\u1ea5y t\u1eeb d\u1eef li\u1ec7u l\u1eafp \u0111\u1eb7t c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. Gi\u00e1 tr\u1ecb m\u00e0 m\u1ed9t m\u00e1y v\u1eb7n v\u00edt t\u1ef1 \u0111\u1ed9ng<\/strong> \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean d\u00e2y chuy\u1ec1n l\u1eafp r\u00e1p \u0111\u1ebfn t\u1eeb \u0111\u1eb7c t\u1ea3 quy tr\u00ecnh c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t b\u1ed9 ng\u1eaft cho m\u1ed1i n\u1ed1i b\u00ean trong, \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb c\u00f9ng c\u00e1c ti\u00eau chu\u1ea9n. C\u1ea3 hai \u0111\u1ec1u quan tr\u1ecdng, v\u00e0 c\u1ea3 hai \u0111\u1ec1u d\u1ef1a tr\u00ean c\u00f9ng m\u1ed9t nguy\u00ean t\u1eafc: m\u1ed9t m\u00f4-men xo\u1eafn x\u00e1c \u0111\u1ecbnh, \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u01b0\u1ee3c x\u00e1c minh, l\u00e0 \u0111i\u1ec1u l\u00e0m cho k\u1ebft n\u1ed1i an to\u00e0n.<\/p>\n

    L\u1ef1a ch\u1ecdn m\u00e1y v\u00edt t\u1ef1 \u0111\u1ed9ng cho l\u1eafp r\u00e1p MCCB<\/h2>\n

    Kh\u00f4ng ph\u1ea3i cell si\u1ebft ch\u1eb7t n\u00e0o c\u0169ng ph\u00f9 h\u1ee3p cho c\u00f4ng vi\u1ec7c MCCB. M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 ch\u00ednh trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t khi ch\u1ecdn m\u1ed9t m\u00e1y v\u1eb7n v\u00edt t\u1ef1 \u0111\u1ed9ng<\/strong> cho nhi\u1ec7m v\u1ee5 n\u00e0y:<\/p>\n

    Ph\u1ea1m vi m\u00f4-men xo\u1eafn \u0111\u1ea7u ra v\u00e0 c\u00f4ng su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a b\u1ed9 l\u00e1i ph\u1ea3i \u0111\u1ee7 cho k\u00edch th\u01b0\u1edbc v\u00edt c\u1ee7a b\u1ea1n v\u00ec c\u00e1c b\u1ed9 ph\u1eadn c\u1ed1 \u0111\u1ecbnh MCCB th\u01b0\u1eddng l\u1edbn h\u01a1n c\u00e1c b\u1ed9 ph\u1eadn c\u1ed1 \u0111\u1ecbnh d\u00f9ng cho b\u1ed9 ng\u1eaft nh\u1ecf v\u00e0 m\u1ed9t b\u1ed9 l\u00e1i d\u00e0nh cho v\u00edt nh\u1ecf c\u00f3 th\u1ec3 kh\u00f4ng gi\u1eef \u0111\u01b0\u1ee3c dung sai.
    \nC\u1ea7n c\u00f3 ki\u1ec3m so\u00e1t m\u00f4-men xo\u1eafn v\u00f2ng k\u00edn \u0111o m\u00f4-men xo\u1eafn theo chu tr\u00ecnh.
    \nY\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng c\u1ea5p li\u1ec7u ch\u1ecbu t\u1ea3i n\u1eb7ng v\u00ec b\u1ed9 c\u1ea5p b\u1ecb t\u1eafc\u2014thay v\u00ec tr\u1ee5c ch\u00ednh ch\u1eadm\u2014th\u01b0\u1eddng l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y d\u1eebng d\u00e2y chuy\u1ec1n.
    \nC\u1ea7n ghi l\u1ea1i v\u00e0 kh\u1ea3 n\u0103ng truy xu\u1ea5t d\u1eef li\u1ec7u, v\u00ec m\u1ed7i m\u1ed1i n\u1ed1i c\u00f3 h\u1ed3 s\u01a1 gi\u00e1 tr\u1ecb \u0111\u1ec3 ki\u1ec3m so\u00e1t n\u1ed9i b\u1ed9 v\u00e0 ki\u1ec3m tra c\u1ee7a ki\u1ec3m to\u00e1n vi\u00ean.
    \nC\u1ea7n c\u00f3 \u0111\u1ed3 g\u00e1 v\u00e0 thay \u0111\u1ed5i t\u00f9y theo lo\u1ea1i s\u1ea3n ph\u1ea9m \u0111\u1ec3 cho ph\u00e9p thay \u0111\u1ed5i nhanh c\u00e1c lo\u1ea1i khung c\u00f4ng t\u1eafc thay v\u00ec ph\u1ea3i ch\u1edd n\u1eeda ca l\u00e0m vi\u1ec7c.
    \nT\u1ea7m quan tr\u1ecdng c\u1ee7a nh\u00e0 cung c\u1ea5p c\u00f3 ki\u1ebfn th\u1ee9c v\u1ec1 c\u00e1c b\u1ed9 ph\u1eadn c\u1ed1 \u0111\u1ecbnh MCCB.<\/p>\n

    Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n

    M\u1eb7c d\u00f9 v\u00edt \u0111\u1ea7u cu\u1ed1i trong MCCB r\u1ea5t nh\u1ecf, nh\u01b0ng n\u00f3 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi an to\u00e0n v\u00e0 ch\u1ee9ng nh\u1eadn. Th\u1ef1c t\u1ebf, l\u1ef1c k\u1eb9p ph\u00e1t sinh t\u1eeb v\u00edt n\u00e0y l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac, s\u1ef1 t\u0103ng nhi\u1ec7t \u0111\u1ed9, kh\u1ea3 n\u0103ng ch\u1ed1ng rung v\u00e0 an to\u00e0n c\u00e1ch ly, t\u1ea5t c\u1ea3 nh\u1eefng bi\u1ebfn \u0111\u1ed9ng n\u00e0y kh\u00f4ng ch\u1ec9 kh\u00e1c nhau m\u00e0 c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c gi\u1eef m\u1ed9t m\u00f4-men xo\u1eafn nh\u1ea5t \u0111\u1ecbnh. N\u00f3i c\u00e1ch kh\u00e1c, c\u00e1c b\u1ea3ng c\u1ee7a IEC 60947-2 v\u00e0 k\u00fd hi\u1ec7u \u0111\u1ea7u cu\u1ed1i cung c\u1ea5p c\u00e1c gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn b\u1eaft bu\u1ed9c ph\u00f9 h\u1ee3p d\u01b0\u1edbi d\u1ea1ng b\u1ea3ng tham kh\u1ea3o, ch\u1ec9 ra s\u1ef1 kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t v\u1ec1 gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn \u00e1p d\u1ee5ng tr\u00ean c\u00e1c m\u1eabu MCCB kh\u00e1c nhau. \u0110i\u1ec1u n\u00e0y ng\u1ee5 \u00fd r\u1eb1ng vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn n\u00e0y v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn ch\u1ec9 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n th\u1ee7 c\u00f4ng. N\u1ebfu b\u1ea1n mu\u1ed1n bi\u1ebft th\u00eam v\u1ec1 nh\u00f3m s\u1ea3n ph\u1ea9m v\u00e0 c\u00f4ng su\u1ea5t c\u1ee7a m\u00ecnh, h\u00e3y li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 T\u1ef1 \u0111\u1ed9ng h\u00f3a Benlong.<\/p>\n

    Huang Xiaolei | T\u1ef1 \u0111\u1ed9ng h\u00f3a Benlong<\/span><\/p>","protected":false},"excerpt":{"rendered":"

    An automatic screw machine is well-suited for use in a molded case circuit breaker production line because of one crucial reason: the terminal screw is a vital safety joint, and torque is the only factor that guarantees its reliability. The terminal screw in an MCCB does not simply keep the wire in its place, but […]<\/p>\n","protected":false},"author":3,"featured_media":1529,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1528","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1528","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/comments?post=1528"}],"version-history":[{"count":1,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1528\/revisions"}],"predecessor-version":[{"id":1531,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1528\/revisions\/1531"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/media\/1529"}],"wp:attachment":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/media?parent=1528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/categories?post=1528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/tags?post=1528"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}