{"id":1729,"date":"2026-04-20T10:18:00","date_gmt":"2026-04-20T10:18:00","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=1729"},"modified":"2026-04-20T05:32:58","modified_gmt":"2026-04-20T05:32:58","slug":"quy-chuan-ky-thuat-ve-kich-thuoc-nap-cong-tu-tieu-chuan-hoa-den-su-thich-ung-chinh-xac-cua-lzb-metals","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/quy-chuan-ky-thuat-ve-kich-thuoc-nap-cong-tu-tieu-chuan-hoa-den-su-thich-ung-chinh-xac-cua-lzb-metals\/","title":{"rendered":"Quy chu\u1ea9n k\u1ef9 thu\u1eadt v\u1ec1 k\u00edch th\u01b0\u1edbc n\u1eafp c\u1ed1ng: T\u1eeb ti\u00eau chu\u1ea9n h\u00f3a \u0111\u1ebfn s\u1ef1 th\u00edch \u1ee9ng ch\u00ednh x\u00e1c c\u1ee7a LZB Metal"},"content":{"rendered":"

Trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00f4 th\u1ecb hi\u1ec7n \u0111\u1ea1i, k\u00edch th\u01b0\u1edbc c\u1ee7a n\u1eafp c\u1ed1ng kh\u00f4ng bao gi\u1edd l\u00e0 nh\u1eefng con s\u1ed1 t\u00f9y \u00fd m\u00e0 l\u00e0 k\u1ebft qu\u1ea3 k\u1ef9 thu\u1eadt c\u1ee7a s\u1ef1 t\u01b0\u01a1ng t\u00e1c to\u00e0n di\u1ec7n gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n h\u00f3a, \u0111\u1ecbnh m\u1ee9c t\u1ea3i, m\u00f4i tr\u01b0\u1eddng l\u1eafp \u0111\u1eb7t v\u00e0 y\u00eau c\u1ea7u b\u1ea3o tr\u00ec. Theo Ti\u00eau chu\u1ea9n Ch\u00e2u \u00c2u EN124 v\u00e0 Ti\u00eau chu\u1ea9n Qu\u1ed1c gia Trung Qu\u1ed1c GB\/T 23858, thi\u1ebft k\u1ebf k\u00edch th\u01b0\u1edbc c\u1ee7a n\u1eafp c\u1ed1ng ph\u1ea3i \u0111\u00e1p \u1ee9ng ba y\u00eau c\u1ea7u c\u1ed1t l\u00f5i: th\u1ee9 nh\u1ea5t, k\u00edch th\u01b0\u1edbc l\u1ed7 m\u1edf ph\u1ea3i \u0111\u1ea3m b\u1ea3o nh\u00e2n vi\u00ean b\u1ea3o tr\u00ec c\u00f3 th\u1ec3 v\u00e0o an to\u00e0n \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c c\u00f4ng vi\u1ec7c d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t; th\u1ee9 hai, \u0111\u1ed9 d\u00e0y k\u1ebft c\u1ea5u ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ecbnh m\u1ee9c t\u1ea3i \u0111\u1ec3 tr\u00e1nh bi\u1ebfn d\u1ea1ng d\u01b0\u1edbi t\u1ea3i tr\u1ecdng n\u1eb7ng trong th\u1eddi gian d\u00e0i; v\u00e0 th\u1ee9 ba, dung sai l\u1eafp \u0111\u1eb7t ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c \u0111\u1ec3 lo\u1ea1i b\u1ecf ti\u1ebfng \u1ed3n, rung l\u1eafc v\u00e0 l\u00fan do sai l\u1ec7ch k\u00edch th\u01b0\u1edbc g\u00e2y ra. T\u1eeb n\u1eafp c\u1ed1ng tr\u00f2n th\u00f4ng th\u01b0\u1eddng \u03a6600mm \u0111\u1ebfn n\u1eafp c\u1ed1ng vu\u00f4ng l\u1edbn 1140\u00d71140mm, m\u1ed7i con s\u1ed1 k\u00edch th\u01b0\u1edbc \u0111\u1ec1u mang m\u1ed9t cam k\u1ebft nghi\u00eam t\u00fac \u0111\u1ed1i v\u1edbi s\u1ef1 an to\u00e0n c\u1ee7a c\u00f4ng ch\u00fang.<\/p>\n\n\n

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L\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb tham gia s\u00e2u v\u00e0o vi\u1ec7c ph\u00e1t tri\u1ec3n ti\u00eau chu\u1ea9n ng\u00e0nh n\u1eafp c\u1ed1ng c\u1ee7a Trung Qu\u1ed1c, LZB Metal hi\u1ec3u r\u00f5 v\u1ec1 k\u00edch th\u01b0\u1edbc n\u1eafp c\u1ed1ng kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 c\u00e1c th\u00f4ng s\u1ed1 h\u00ecnh h\u1ecdc, m\u00e0 c\u00f2n n\u00e2ng t\u1ea7m l\u00ean m\u1ee9c \u0111\u1ed9 th\u00edch \u1ee9ng k\u1ef9 thu\u1eadt c\u00f3 h\u1ec7 th\u1ed1ng. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t th\u00f4ng th\u01b0\u1eddng ch\u1ec9 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u k\u00edch th\u01b0\u1edbc c\u01a1 b\u1ea3n v\u1edbi "s\u1ea3n ph\u1ea9m ti\u00eau chu\u1ea9n", l\u1ee3i th\u1ebf c\u1ee7a LZB Metal n\u1eb1m \u1edf vi\u1ec7c thi\u1ebft l\u1eadp m\u1ed9t h\u1ec7 th\u1ed1ng k\u00edch th\u01b0\u1edbc to\u00e0n di\u1ec7n, nghi\u00eam ng\u1eb7t h\u01a1n ti\u00eau chu\u1ea9n qu\u1ed1c gia v\u00e0 c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh. \u0110\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi g\u1ea7n hai th\u1eadp k\u1ef7 kinh nghi\u1ec7m trong s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00fac cao c\u1ea5p cho \u0111\u00f4 th\u1ecb, s\u1ea3n ph\u1ea9m c\u1ee7a c\u00f4ng ty c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng t\u1eeb 0,5 \u0111\u1ebfn 200KG, c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u bao g\u1ed3m QT400-15, QT450-10, QT500-7 v\u00e0 QT600-3, c\u00f3 kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t t\u1ea5t c\u1ea3 c\u00e1c m\u1ee9c t\u1ea3i tr\u1ecdng t\u1eeb A15 \u0111\u1ebfn F900 tr\u00ean nhi\u1ec1u k\u00edch th\u01b0\u1edbc kh\u00e1c nhau. Quan tr\u1ecdng h\u01a1n, v\u1edbi t\u01b0 c\u00e1ch l\u00e0 m\u1ed9t doanh nghi\u1ec7p tham gia so\u1ea1n th\u1ea3o ti\u00eau chu\u1ea9n qu\u1ed1c gia, LZB Metal \u0111\u01b0a kinh nghi\u1ec7m th\u1ef1c ti\u1ec5n ti\u00ean ti\u1ebfn v\u00e0o n\u1ed9i dung ti\u00eau chu\u1ea9n, \u0111\u1ea3m b\u1ea3o c\u00e1c thi\u1ebft k\u1ebf k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00f4ng ty kh\u00f4ng ch\u1ec9 tu\u00e2n th\u1ee7 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt hi\u1ec7n h\u00e0nh m\u00e0 c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi t\u01b0\u01a1ng lai.<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng k\u00edch th\u01b0\u1edbc n\u1eafp c\u1ed1ng v\u00e0 nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ed1t l\u00f5i c\u1ee7a LZB Metal<\/h2>\n\n\n\n

I. H\u1ec7 th\u1ed1ng k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n v\u00e0 s\u1ef1 t\u01b0\u01a1ng \u1ee9ng v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i<\/h3>\n\n\n\n

Theo ti\u00eau chu\u1ea9n GB\/T 23858 v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf, k\u00edch th\u01b0\u1edbc n\u1eafp c\u1ed1ng c\u00f3 m\u1ed1i quan h\u1ec7 t\u01b0\u01a1ng \u1ee9ng r\u00f5 r\u00e0ng v\u1edbi \u0111\u1ecbnh m\u1ee9c t\u1ea3i. B\u1ea3ng sau \u0111\u00e2y th\u1ec3 hi\u1ec7n c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt cho c\u00e1c ti\u00eau chu\u1ea9n th\u00f4ng d\u1ee5ng:<\/p>\n\n\n\n

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D\u00f2ng s\u1ea3n ph\u1ea9m c\u1ee7a LZB Metal \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 t\u1ea5t c\u1ea3 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt n\u00eau tr\u00ean, v\u1edbi m\u1ed7i th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ec1u tr\u1ea3i qua qu\u00e1 tr\u00ecnh ki\u1ec3m tra nghi\u00eam ng\u1eb7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 ph\u00f9 h\u1ee3p ho\u00e0n h\u1ea3o gi\u1eefa \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i.<\/p>\n\n\n\n

II. \u0110\u1ed9 ch\u00ednh x\u00e1c cao: Ki\u1ec3m so\u00e1t dung sai k\u00edch th\u01b0\u1edbc v\u01b0\u1ee3t ti\u00eau chu\u1ea9n qu\u1ed1c gia<\/h3>\n\n\n\n

Khe h\u1edf gi\u1eefa n\u1eafp v\u00e0 khung l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. Ti\u00eau chu\u1ea9n qu\u1ed1c gia GB\/T 23858 y\u00eau c\u1ea7u khe h\u1edf gi\u1eefa n\u1eafp v\u00e0 khung kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 8mm, trong khi LZB Metal n\u00e2ng ti\u00eau chu\u1ea9n n\u00e0y l\u00ean m\u1ee9c nghi\u00eam ng\u1eb7t \u22641mm. \u01afu \u0111i\u1ec3m n\u00e0y \u0111\u1ebfn t\u1eeb ba \u0111\u1ea3m b\u1ea3o k\u1ef9 thu\u1eadt: th\u1ee9 nh\u1ea5t, s\u1eed d\u1ee5ng d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t \u0111\u00fac \u00e1p l\u1ef1c t\u0129nh th\u00f4ng minh v\u00e0 thi\u1ebft b\u1ecb ti\u00ean ti\u1ebfn qu\u1ed1c t\u1ebf nh\u01b0 m\u00e1y tr\u1ed9n c\u00e1t Eirich c\u1ee7a \u0110\u1ee9c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u1ec1 k\u00edch th\u01b0\u1edbc khi \u0111\u00fac; th\u1ee9 hai, ki\u1ec3m tra m\u1eabu to\u00e0n di\u1ec7n t\u1eebng l\u00f4 h\u00e0ng b\u1eb1ng thi\u1ebft b\u1ecb \u0111o t\u1ecda \u0111\u1ed9 ba chi\u1ec1u; v\u00e0 th\u1ee9 ba, \u00e1p d\u1ee5ng thi\u1ebft k\u1ebf kh\u1edbp c\u00f4n ch\u00ednh x\u00e1c cho ph\u00e9p kh\u1edbp ch\u1eb7t gi\u1eefa n\u1eafp v\u00e0 khung \u1edf m\u1ecdi g\u00f3c \u0111\u1ed9. Kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc "chu\u1ea9n qu\u00e2n s\u1ef1" n\u00e0y lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n ti\u1ebfng \u1ed3n v\u00e0 \u0111\u1ed9 rung l\u1eafc khi xe c\u1ed9 \u0111i qua, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng c\u1ee7a c\u1ea3 n\u1eafp v\u00e0 m\u1eb7t \u0111\u01b0\u1eddng.<\/p>\n\n\n\n

III. \u0110\u1ed9 s\u00e2u ch\u00e8n: T\u00ednh d\u01b0 th\u1eeba an to\u00e0n trong thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u<\/h3>\n\n\n\n
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\u0110\u1ed9 s\u00e2u l\u1eafp \u0111\u1eb7t (\u0111\u1ed9 s\u00e2u kh\u1edbp n\u1ed1i theo chi\u1ec1u d\u1ecdc t\u1eeb b\u1ec1 m\u1eb7t tr\u00ean c\u1ee7a khung \u0111\u1ebfn b\u1ec1 m\u1eb7t d\u01b0\u1edbi c\u1ee7a n\u1eafp) l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 quan tr\u1ecdng \u0111\u1ea3m b\u1ea3o n\u1eafp kh\u00f4ng b\u1ecb x\u00ea d\u1ecbch ho\u1eb7c b\u1eadt ra d\u01b0\u1edbi t\u1ea3i tr\u1ecdng n\u1eb7ng. C\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c gia quy \u0111\u1ecbnh r\u00f5 r\u00e0ng: n\u1eafp lo\u1ea1i A15 y\u00eau c\u1ea7u \u0111\u1ed9 s\u00e2u l\u1eafp \u0111\u1eb7t \u226520mm, lo\u1ea1i C250 \u226530mm v\u00e0 lo\u1ea1i D400 \u226550mm. LZB Metal \u0111\u00e3 thi\u1ebft l\u1eadp c\u00e1c ti\u00eau chu\u1ea9n ki\u1ec3m so\u00e1t n\u1ed9i b\u1ed9 nghi\u00eam ng\u1eb7t h\u01a1n d\u1ef1a tr\u00ean c\u00e1c y\u00eau c\u1ea7u n\u00e0y\u2014t\u1ea5t c\u1ea3 c\u00e1c n\u1eafp lo\u1ea1i D400 tr\u1edf l\u00ean \u0111\u1ec1u c\u00f3 \u0111\u1ed9 s\u00e2u l\u1eafp \u0111\u1eb7t kh\u00f4ng d\u01b0\u1edbi 60mm, v\u1edbi m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m si\u00eau n\u1eb7ng (nh\u01b0 F900) \u0111\u1ea1t tr\u00ean 80mm. Thi\u1ebft k\u1ebf d\u1ef1 ph\u00f2ng n\u00e0y, k\u1ebft h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng t\u1ef1 kh\u00f3a b\u1eb1ng k\u1eb9p l\u00f2 xo ba l\u1edbp, cho ph\u00e9p n\u1eafp v\u00e0 khung t\u1ea1o th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng ch\u1ecbu t\u1ea3i t\u00edch h\u1ee3p, \u0111\u1ea3m b\u1ea3o n\u1eafp lu\u00f4n \u1ed5n \u0111\u1ecbnh tuy\u1ec7t \u0111\u1ed1i ngay c\u1ea3 d\u01b0\u1edbi l\u1ef1c h\u00fat do c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n h\u1ea1ng n\u1eb7ng ch\u1ea1y v\u1edbi t\u1ed1c \u0111\u1ed9 cao t\u1ea1o ra.<\/p>\n\n\n\n

IV. T\u00ednh to\u00e1n t\u1ec9 l\u1ec7 khoa h\u1ecdc v\u1ec1 \u0111\u1ed9 d\u00e0y th\u00e0nh v\u00e0 g\u00e2n gia c\u01b0\u1eddng<\/h3>\n\n\n\n

\u0110\u1ed9 d\u00e0y t\u1ea5m ph\u1ee7 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 d\u00e0y h\u01a1n; n\u00f3 \u0111\u00f2i h\u1ecfi s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1i \u01b0u gi\u1eefa \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u, \u0111\u1ed9 c\u1ee9ng k\u1ebft c\u1ea5u v\u00e0 hi\u1ec7u qu\u1ea3 tr\u1ecdng l\u01b0\u1ee3ng. LZB Metal s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 t\u1ed1i \u01b0u h\u00f3a c\u1ea5u tr\u00fac ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u00f4 ph\u1ecfng ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t cho t\u1eebng th\u00f4ng s\u1ed1 k\u00edch th\u01b0\u1edbc, t\u1eeb \u0111\u00f3 x\u00e1c \u0111\u1ecbnh m\u1ed9t c\u00e1ch khoa h\u1ecdc \u0111\u1ed9 d\u00e0y th\u00e0nh v\u00e0 b\u1ed1 tr\u00ed g\u00e2n gia c\u01b0\u1eddng. L\u1ea5y s\u1ea3n ph\u1ea9m c\u1ea5p D400 k\u00edch th\u01b0\u1edbc 700\u00d7800mm l\u00e0m v\u00ed d\u1ee5, chi\u1ec1u cao khung \u0111\u1ea1t 100-120mm, \u0111\u1ed9 d\u00e0y t\u1ea5m ph\u1ee7 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u1edf m\u1ee9c 60-70mm, k\u1ebft h\u1ee3p v\u1edbi m\u1ea1ng l\u01b0\u1edbi gia c\u01b0\u1eddng b\u1ec1 m\u1eb7t cong kh\u00f4ng gian ba chi\u1ec1u, \u0111\u1ed9 c\u1ee9ng t\u1ed5ng th\u1ec3 t\u0103ng h\u01a1n 40% so v\u1edbi c\u00e1c thi\u1ebft k\u1ebf truy\u1ec1n th\u1ed1ng, trong khi tr\u1ecdng l\u01b0\u1ee3ng gi\u1ea3m 15-20%. Tri\u1ebft l\u00fd thi\u1ebft k\u1ebf "tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9, ch\u1ecbu t\u1ea3i cao" n\u00e0y cho ph\u00e9p c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a LZB Metal \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i v\u00e0 tu\u1ed5i th\u1ecd cao h\u01a1n v\u1edbi c\u00f9ng th\u00f4ng s\u1ed1 k\u00edch th\u01b0\u1edbc.<\/p>\n\n\n\n

V. Kh\u1ea3 n\u0103ng bao ph\u1ee7 to\u00e0n c\u1ea3nh v\u00e0 t\u00f9y ch\u1ec9nh \u0111a chi\u1ec1u<\/h3>\n\n\n\n
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\"\"<\/figure>\n<\/div><\/figure>\n\n\n\n

D\u1ea3i k\u00edch th\u01b0\u1edbc s\u1ea3n ph\u1ea9m c\u1ee7a LZB Metal v\u00f4 c\u00f9ng \u0111a d\u1ea1ng, bao g\u1ed3m h\u1ea7u h\u1ebft c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ph\u1ed5 bi\u1ebfn tr\u00ean th\u1ecb tr\u01b0\u1eddng:<\/p>\n\n\n\n

    \n
  • - D\u00f2ng s\u1ea3n ph\u1ea9m h\u00ecnh tr\u00f2n: \u03a6450mm, \u03a6600mm, \u03a6700mm, \u03a6800mm, \u03a6900mm, \u03a61000mm, \u03a61200mm, v.v.<\/li>\n\n\n\n
  • - D\u00f2ng s\u1ea3n ph\u1ea9m h\u00ecnh vu\u00f4ng: 300\u00d7300mm, 400\u00d7400mm, 450\u00d7450mm, 500\u00d7500mm, 600\u00d7600mm, 800\u00d7800mm, v.v.<\/li>\n\n\n\n
  • - D\u00f2ng s\u1ea3n ph\u1ea9m h\u00ecnh ch\u1eef nh\u1eadt: 450\u00d7600mm, 450\u00d7900mm, 600\u00d7900mm, 700\u00d7800mm, 700\u00d7900mm, 800\u00d7900mm, 900\u00d71000mm, v.v.<\/li>\n\n\n\n
  • - K\u00edch th\u01b0\u1edbc \u0111\u1eb7c bi\u1ec7t: N\u1eafp \u0111\u1eady truy c\u1eadp l\u1edbn 1140\u00d71140mm, khung ngo\u00e0i h\u00ecnh vu\u00f4ng v\u1edbi c\u1ea5u tr\u00fac l\u00f5i trong h\u00ecnh tr\u00f2n (v\u00ed d\u1ee5: 700\u00d7800), v.v.<\/li>\n<\/ul>\n\n\n\n

    \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n kh\u00f4ng theo ti\u00eau chu\u1ea9n, LZB Metal c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o n\u1ec1n t\u1ea3ng thi\u1ebft k\u1ebf 3D v\u00e0 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t linh ho\u1ea1t \u0111\u1ec3 ho\u00e0n th\u00e0nh vi\u1ec7c l\u1eadp b\u1ea3n v\u1ebd chi ti\u1ebft trong v\u00f2ng 48 gi\u1edd v\u00e0 b\u1eaft \u0111\u1ea7u s\u1ea3n xu\u1ea5t theo y\u00eau c\u1ea7u trong v\u00f2ng 72 gi\u1edd, \u0111\u00e1p \u1ee9ng nhi\u1ec1u y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt \u0111\u1eb7c bi\u1ec7t kh\u00e1c nhau.<\/p>\n\n\n\n

    VI. S\u1ef1 t\u00edch h\u1ee3p s\u00e2u s\u1eafc c\u00e1c chi\u1ec1u v\u00e0 ch\u1ee9c n\u0103ng<\/h3>\n\n\n\n

    Thi\u1ebft k\u1ebf \u0111a chi\u1ec1u c\u1ee7a LZB Metal kh\u00f4ng t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp m\u00e0 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u00e2u s\u1eafc v\u1edbi nhi\u1ec1u ch\u1ee9c n\u0103ng kh\u00e1c nhau:<\/p>\n\n\n\n

    \n
    \"\"<\/figure>\n<\/div><\/figure>\n\n\n\n
      \n
    • - Giao di\u1ec7n l\u01b0\u1edbi ch\u1ed1ng r\u01a1i: T\u1ea5t c\u1ea3 c\u00e1c n\u1eafp \u0111\u1eady c\u00f3 khe h\u1edf \u2265600mm \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh s\u1eb5n v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t m\u00f3c l\u01b0\u1edbi ch\u1ed1ng r\u01a1i, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ee9a l\u01b0\u1edbi ch\u1ed1ng r\u01a1i c\u01b0\u1eddng \u0111\u1ed9 cao v\u1edbi t\u1ea3i tr\u1ecdng \u22651000kg.<\/li>\n\n\n\n
    • - Ng\u0103n gi\u00e1m s\u00e1t th\u00f4ng minh: C\u00e1c ng\u0103n c\u1ea3m bi\u1ebfn ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed s\u1eb5n trong c\u1ea5u tr\u00fac n\u1eafp, c\u00f3 kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p c\u00e1c m\u00f4-\u0111un gi\u00e1m s\u00e1t \u0111a tr\u1ee5c nh\u01b0 \u0111o bi\u1ebfn d\u1ea1ng vi m\u00f4, m\u1ef1c n\u01b0\u1edbc, nhi\u1ec7t \u0111\u1ed9 v\u00e0 c\u00e1c ch\u1ee9c n\u0103ng kh\u00e1c.<\/li>\n\n\n\n
    • - Kh\u00f3a ch\u1ed1ng tr\u1ed9m: B\u1ea3n l\u1ec1 c\u1ed1 \u0111\u1ecbnh ti\u00eau chu\u1ea9n v\u00e0 h\u1ec7 th\u1ed1ng kh\u00f3a \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o thi\u1ebft k\u1ebf k\u00edch th\u01b0\u1edbc, kh\u00f4ng c\u00f3 \u1ed1c v\u00edt l\u1ed9 ra ngo\u00e0i.<\/li>\n\n\n\n
    • - Hoa v\u0103n ch\u1ed1ng tr\u01b0\u1ee3t: \u0110\u1ed9 s\u00e2u c\u1ee7a hoa v\u0103n ch\u1ed1ng tr\u01b0\u1ee3t tr\u00ean b\u1ec1 m\u1eb7t dao \u0111\u1ed9ng t\u1eeb 3-10mm, \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a theo th\u00f4ng s\u1ed1 k\u00edch th\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 ch\u1ed1ng tr\u01b0\u1ee3t v\u00e0 tho\u00e1t n\u01b0\u1edbc \u0111\u1ed3ng \u0111\u1ec1u.<\/li>\n<\/ul>\n\n\n\n

      K\u1ebft lu\u1eadn: Tri\u1ebft l\u00fd k\u1ef9 thu\u1eadt \u0111\u1eb1ng sau c\u00e1c chi\u1ec1u k\u00edch<\/h3>\n\n\n\n

      K\u00edch th\u01b0\u1edbc c\u1ee7a n\u1eafp c\u1ed1ng ch\u01b0a bao gi\u1edd ch\u1ec9 l\u00e0 nh\u1eefng con s\u1ed1 h\u00ecnh h\u1ecdc \u0111\u01a1n thu\u1ea7n. Ch\u00fang l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa khoa h\u1ecdc v\u1eadt li\u1ec7u, c\u01a1 h\u1ecdc k\u1ebft c\u1ea5u, quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 c\u00e1c k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng. Th\u00f4ng qua \u0111\u1ed5i m\u1edbi c\u00f4ng ngh\u1ec7 c\u00f3 h\u1ec7 th\u1ed1ng, LZB Metal \u0111\u00e3 n\u00e2ng t\u1ea7m thi\u1ebft k\u1ebf k\u00edch th\u01b0\u1edbc t\u1eeb vi\u1ec7c ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 "tu\u00e2n th\u1ee7 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt" l\u00ean "th\u00edch \u1ee9ng ch\u00ednh x\u00e1c", thi\u1ebft l\u1eadp m\u1ed9t h\u1ec7 th\u1ed1ng k\u00edch th\u01b0\u1edbc to\u00e0n di\u1ec7n, nghi\u00eam ng\u1eb7t h\u01a1n ti\u00eau chu\u1ea9n qu\u1ed1c gia v\u00e0 c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 qu\u1ea3n l\u00fd \u0111\u00f4 th\u1ecb, l\u1ef1a ch\u1ecdn LZB Metal kh\u00f4ng ch\u1ec9 c\u00f3 ngh\u0129a l\u00e0 l\u1ef1a ch\u1ecdn c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n, m\u00e0 c\u00f2n l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt ho\u00e0n ch\u1ec9nh, \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, t\u1eadp trung v\u00e0o t\u1ed1i \u01b0u h\u00f3a gi\u00e1 tr\u1ecb v\u00f2ng \u0111\u1eddi. Cho d\u00f9 l\u00e0 \u0111\u1ec3 giao h\u00e0ng nhanh ch\u00f3ng theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ti\u00eau chu\u1ea9n hay ph\u00e1t tri\u1ec3n t\u00f9y ch\u1ec9nh c\u00e1c d\u1ef1 \u00e1n phi ti\u00eau chu\u1ea9n, LZB Metal \u0111\u1ec1u cung c\u1ea5p c\u00e1c thi\u1ebft k\u1ebf k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady kh\u00f4ng th\u1ec3 tranh c\u00e3i. \u0110\u00e2y l\u00e0 c\u1ed1t l\u00f5i c\u1ee7a s\u1ef1 v\u01b0\u1ee3t tr\u1ed9i v\u1ec1 s\u1ea3n ph\u1ea9m c\u1ee7a LZB Metal so v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t th\u00f4ng th\u01b0\u1eddng trong l\u0129nh v\u1ef1c thi\u1ebft k\u1ebf k\u00edch th\u01b0\u1edbc.<\/p>","protected":false},"excerpt":{"rendered":"

      Trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00f4 th\u1ecb hi\u1ec7n \u0111\u1ea1i, k\u00edch th\u01b0\u1edbc c\u1ee7a n\u1eafp c\u1ed1ng kh\u00f4ng bao gi\u1edd l\u00e0 nh\u1eefng con s\u1ed1 t\u00f9y \u00fd m\u00e0 l\u00e0 k\u1ebft qu\u1ea3 k\u1ef9 thu\u1eadt c\u1ee7a s\u1ef1 t\u01b0\u01a1ng t\u00e1c to\u00e0n di\u1ec7n gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n h\u00f3a, \u0111\u1ecbnh m\u1ee9c t\u1ea3i, m\u00f4i tr\u01b0\u1eddng l\u1eafp \u0111\u1eb7t v\u00e0 y\u00eau c\u1ea7u b\u1ea3o tr\u00ec. Theo Ti\u00eau chu\u1ea9n Ch\u00e2u \u00c2u EN124 v\u00e0 Ti\u00eau chu\u1ea9n Qu\u1ed1c gia Trung Qu\u1ed1c GB\/T 23858, thi\u1ebft k\u1ebf k\u00edch th\u01b0\u1edbc c\u1ee7a n\u1eafp c\u1ed1ng ph\u1ea3i \u0111\u00e1p \u1ee9ng ba y\u00eau c\u1ea7u c\u1ed1t l\u00f5i: th\u1ee9 nh\u1ea5t, [\u2026]<\/p>","protected":false},"author":2,"featured_media":1731,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[126,153,63],"class_list":["post-1729","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-ductile-cast-iron","tag-lzb-metal","tag-manhole-cover"],"yoast_head":"\nThe Engineering Code of Manhole Cover Dimensions: From Standardization to LZB Metal's Precision Adaptation News - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"The dimensions of a manhole cover have never been isolated geometric numbers. They are an engineering expression resulting from the combined effects of material science, structural mechanics, manufacturing processes, and application scenarios. Through systematic technological innovation, LZB Metal has elevated dimensional design from simple "specification compliance" to "precision adaptation," establishing a full-scene, stricter-than-national-standards, customizable dimensional system.For municipal managers, choosing LZB Metal means selecting not just products that meet standard dimensional parameters, but a complete engineering solution, validated under extreme conditions, centered on optimizing life-cycle value. Whether for rapid delivery of standard specifications or customized development of non-standard projects, LZB Metal provides precisely calculated dimensional designs and indisputable reliability assurance. 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This is the core of LZB Metal's product superiority over ordinary manufacturers in the dimension of dimensional design.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lzbmetal.com\/vi\/quy-chuan-ky-thuat-ve-kich-thuoc-nap-cong-tu-tieu-chuan-hoa-den-su-thich-ung-chinh-xac-cua-lzb-metals\/\" \/>\n<meta property=\"og:site_name\" content=\"LZBMetal Products Co., Ltd\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-20T10:18:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lzbmetal.com\/wp-content\/uploads\/2026\/04\/\u5fae\u4fe1\u56fe\u7247_20250418154410-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1920\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"luzhongbao\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Levi_Luzhongbao\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"luzhongbao\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/the-engineering-code-of-manhole-cover-dimensions-from-standardization-to-lzb-metals-precision-adaptation\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/the-engineering-code-of-manhole-cover-dimensions-from-standardization-to-lzb-metals-precision-adaptation\\\/\"},\"author\":{\"name\":\"luzhongbao\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#\\\/schema\\\/person\\\/03225aba1019488054ecea53728c5cf0\"},\"headline\":\"The Engineering Code of Manhole Cover Dimensions: From Standardization to LZB Metal's Precision Adaptation\",\"datePublished\":\"2026-04-20T10:18:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/the-engineering-code-of-manhole-cover-dimensions-from-standardization-to-lzb-metals-precision-adaptation\\\/\"},\"wordCount\":1115,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/the-engineering-code-of-manhole-cover-dimensions-from-standardization-to-lzb-metals-precision-adaptation\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/lzbmetal.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/\u5fae\u4fe1\u56fe\u7247_20250418154410-scaled.jpg\",\"keywords\":[\"Ductile Cast Iron\",\"LZB Metal\",\"Manhole Cover\"],\"articleSection\":[\"News\"],\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/lzbmetal.com\\\/the-engineering-code-of-manhole-cover-dimensions-from-standardization-to-lzb-metals-precision-adaptation\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/the-engineering-code-of-manhole-cover-dimensions-from-standardization-to-lzb-metals-precision-adaptation\\\/\",\"url\":\"https:\\\/\\\/lzbmetal.com\\\/the-engineering-code-of-manhole-cover-dimensions-from-standardization-to-lzb-metals-precision-adaptation\\\/\",\"name\":\"The Engineering Code of Manhole Cover Dimensions: From Standardization to LZB Metal's Precision Adaptation News - LZBMetal Products Co., Ltd\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/the-engineering-code-of-manhole-cover-dimensions-from-standardization-to-lzb-metals-precision-adaptation\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/the-engineering-code-of-manhole-cover-dimensions-from-standardization-to-lzb-metals-precision-adaptation\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/lzbmetal.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/\u5fae\u4fe1\u56fe\u7247_20250418154410-scaled.jpg\",\"datePublished\":\"2026-04-20T10:18:00+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#\\\/schema\\\/person\\\/03225aba1019488054ecea53728c5cf0\"},\"description\":\"The dimensions of a manhole cover have never been isolated geometric numbers. 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