{"id":1770,"date":"2026-05-15T10:25:00","date_gmt":"2026-05-15T10:25:00","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=1770"},"modified":"2026-05-15T05:34:41","modified_gmt":"2026-05-15T05:34:41","slug":"nap-cong-chong-lun-bang-gang-deo-lzbmetal-kich-thuoc-650x850x90mm-trong-luong-88kg","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/nap-cong-chong-lun-bang-gang-deo-lzbmetal-kich-thuoc-650x850x90mm-trong-luong-88kg\/","title":{"rendered":"N\u1eafp c\u1ed1ng ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo LZBMetal, k\u00edch th\u01b0\u1edbc 650\u00d7850\u00d790 mm, tr\u1ecdng l\u01b0\u1ee3ng 88 kg."},"content":{"rendered":"

N\u1eafp c\u1ed1ng ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo LZBMetal 650\u00d7850\u00d790, 88kg: Th\u1ef1c ti\u1ec5n k\u1ef9 thu\u1eadt v\u1ec1 "\u0110\u1ed9 b\u1eb1ng ph\u1eb3ng v\u0129nh c\u1eedu" trong khu v\u1ef1c ch\u1ecbu t\u1ea3i n\u1eb7ng D400.<\/p>\n\n\n\n

Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c s\u1ea3n ph\u1ea9m th\u00f4ng th\u01b0\u1eddng ch\u1ec9 t\u0103ng \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u t\u1ea3i tr\u1ecdng D400, LZBMetal \u0111\u00e3 thi\u1ebft l\u1eadp v\u1ecb th\u1ebf d\u1eabn \u0111\u1ea7u v\u1ec1 k\u1ef9 thu\u1eadt m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt 650\u00d7850\u00d790, 88kg n\u00e0y. Trong khi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t th\u00f4ng th\u01b0\u1eddng ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 m\u1edf r\u1ed9ng k\u00edch th\u01b0\u1edbc m\u1eb7t b\u00edch \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n t\u1ea3i tr\u1ecdng, l\u1ee3i th\u1ebf c\u1ee7a LZBMetal n\u1eb1m \u1edf vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 t\u00edch h\u1ee3p s\u00e2u s\u1eafc gi\u1eefa c\u1ea5u tr\u00fac ch\u1ed1ng l\u00fan ki\u1ec3u \u1ed5 c\u1eafm m\u1eb7t b\u00edch r\u1ed9ng, v\u1eadt li\u1ec7u d\u1ebbo dai c\u01b0\u1eddng \u0111\u1ed9 cao QT500-7, h\u1ec7 th\u1ed1ng ch\u1ed1ng \u0103n m\u00f2n ba l\u1edbp b\u1ec1n l\u00e2u v\u00e0 ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 n\u0103m trong m\u1ed9t t\u00edch h\u1ee3p, v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n h\u1ee3p l\u00fd 88kg trong khung 90mm. \u0110\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi thi\u1ebft b\u1ecb \u0111\u00fac ti\u00ean ti\u1ebfn nh\u1eadp kh\u1ea9u t\u1eeb \u0110\u1ee9c, danh m\u1ee5c 98 b\u1eb1ng s\u00e1ng ch\u1ebf v\u00e0 n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t ch\u00ednh x\u00e1c v\u01b0\u1ee3t qu\u00e1 100.000 t\u1ea5n m\u1ed7i n\u0103m, LZBMetal \u0111\u00e3 x\u00e2y d\u1ef1ng m\u1ed9t r\u00e0o c\u1ea3n k\u1ef9 thu\u1eadt v\u1eefng ch\u1eafc tr\u00ean b\u1ed1n kh\u00eda c\u1ea1nh ch\u00ednh: c\u1ea5u tr\u00fac ch\u1ed1ng l\u00fan c\u1ea3i ti\u1ebfn, t\u0103ng c\u01b0\u1eddng v\u1eadt li\u1ec7u t\u1ea1i ngu\u1ed3n, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n l\u00e2u d\u00e0i v\u00e0 ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c, cung c\u1ea5p gi\u1ea3i ph\u00e1p ch\u1ea5t l\u01b0\u1ee3ng cao t\u00edch h\u1ee3p an to\u00e0n, \u0111\u1ed9 b\u1ec1n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed b\u1ea3o tr\u00ec cho h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u0111\u00f4 th\u1ecb t\u1ea3i tr\u1ecdng n\u1eb7ng.<\/p>\n\n\n\n

\u01afu \u0111i\u1ec3m c\u1ed1t l\u00f5i c\u1ee7a n\u1eafp c\u1ed1ng ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo LZBMetal 650\u00d7850\u00d790<\/h2>\n\n\n\n

I. K\u1ebft c\u1ea5u ch\u1ed1ng l\u00fan ki\u1ec3u \u1ed5 c\u1eafm m\u1eb7t b\u00edch r\u1ed9ng: M\u1ed9t cu\u1ed9c c\u00e1ch m\u1ea1ng c\u01a1 kh\u00ed trong truy\u1ec1n t\u1ea3i t\u1ea3i tr\u1ecdng<\/h3>\n\n\n\n

C\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i c\u1ee7a n\u1eafp c\u1ed1ng ch\u1ed1ng l\u00fan LZBMetal n\u1eb1m \u1edf thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u d\u1ea1ng \u1ed5 c\u1eafm m\u1eb7t b\u00edch r\u1ed9ng. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c thi\u1ebft k\u1ebf truy\u1ec1n th\u1ed1ng, n\u01a1i n\u1eafp c\u1ed1ng \u0111\u1eb7t tr\u1ef1c ti\u1ebfp l\u00ean th\u00e0nh gi\u1ebfng g\u1ea1ch, LZBMetal s\u1eed d\u1ee5ng m\u1eb7t b\u00edch r\u1ed9ng (chi\u1ec1u r\u1ed9ng \u2265150mm, \u0111\u1ea1t 200-250mm trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ch\u1ecbu t\u1ea3i n\u1eb7ng) k\u1ebft h\u1ee3p v\u1edbi khung si\u00eau s\u00e2u 90mm \u0111\u1ec3 ph\u00e2n t\u00e1n t\u1ea3i tr\u1ecdng xe qua b\u1ec1 m\u1eb7t m\u1eb7t b\u00edch xu\u1ed1ng l\u1edbp n\u1ec1n nh\u1ef1a \u0111\u01b0\u1eddng xung quanh, thay v\u00ec \u0111\u1ec3 th\u00e0nh gi\u1ebfng ch\u1ecbu t\u1ea3i m\u1ed9t m\u00ecnh. V\u1edbi \u0111\u0129a tr\u00ean d\u1ea1ng m\u1eb7t b\u00edch c\u00f3 \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i r\u1ed9ng h\u01a1n \u0111\u01b0\u1eddng k\u00ednh n\u1eafp c\u1ed1ng t\u1eeb 150-300mm, n\u1eafp c\u1ed1ng tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi c\u1ee7a m\u1eb7t \u0111\u01b0\u1eddng, tr\u1ef1c ti\u1ebfp ph\u00e2n ph\u1ed1i t\u1ea3i tr\u1ecdng xu\u1ed1ng l\u1edbp k\u1ebft c\u1ea5u m\u1eb7t \u0111\u01b0\u1eddng, b\u1ea3o v\u1ec7 m\u1eb7t \u0111\u01b0\u1eddng xung quanh v\u00e0 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng l\u00fan n\u1eafp c\u1ed1ng. Ph\u00e2n t\u00edch c\u00e1c lo\u1ea1i n\u1eafp c\u1ed1ng truy\u1ec1n th\u1ed1ng cho th\u1ea5y r\u1eb1ng m\u1ed1i n\u1ed1i gi\u1eefa khung v\u00e0 \u0111\u1ebf gi\u1ebfng kh\u00f4ng \u0111\u1ee7 \u1ed5n \u0111\u1ecbnh, v\u00e0 c\u00e1c khung truy\u1ec1n th\u1ed1ng \u0111\u1eb7t tr\u1ef1c ti\u1ebfp l\u00ean gi\u1ebfng g\u1ea1ch d\u1ec5 l\u00e0m h\u1ecfng mi\u1ec7ng gi\u1ebfng d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng l\u00fan n\u1eafp c\u1ed1ng. Trong thi\u1ebft k\u1ebf n\u1eafp ch\u1ed1ng l\u00fan m\u1edbi, m\u1ed1i n\u1ed1i gi\u1eefa n\u1eafp v\u00e0 h\u1ed1 ga \u0111\u01b0\u1ee3c thay \u0111\u1ed5i th\u00e0nh ki\u1ec3u kh\u1edbp n\u1ed1i d\u1ea1ng \u1ed5 c\u1eafm, kh\u00f4ng t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp l\u00ean mi\u1ec7ng h\u1ed1 ga. \u00c1p l\u1ef1c t\u1ea3i t\u1eeb ph\u00eda tr\u00ean \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n xu\u1ed1ng l\u1edbp k\u1ebft c\u1ea5u m\u1eb7t \u0111\u01b0\u1eddng th\u00f4ng qua b\u1ec1 m\u1eb7t m\u1eb7t b\u00edch khung, gi\u1ea3m t\u1ea3i tr\u1ecdng t\u00e1c \u0111\u1ed9ng l\u00ean k\u1ebft c\u1ea5u h\u1ed1 ga h\u01a1n 80%, gi\u1ea3m kh\u1ea3 n\u0103ng h\u01b0 h\u1ecfng mi\u1ec7ng h\u1ed1 ga ho\u1eb7c l\u00fan n\u1eafp. Khung v\u00e0 bu\u1ed3ng ki\u1ec3m tra s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac kh\u1edbp n\u1ed1i "\u1ed5 c\u1eafm v\u00e0 ch\u1ed1t" - ph\u1ea7n \u0111\u00e1y khung \u0111\u01b0\u1ee3c ch\u00f4n v\u00e0o n\u1ec1n m\u1eb7t \u0111\u01b0\u1eddng trong khi ph\u1ea7n tr\u00ean v\u1eabn b\u1eb1ng ph\u1eb3ng v\u1edbi m\u1eb7t \u0111\u01b0\u1eddng, t\u1ea1o th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng \u1ed5n \u0111\u1ecbnh trong \u0111\u00f3 m\u1eb7t \u0111\u01b0\u1eddng \u0111\u1ee1 khung v\u00e0 khung c\u1ed1 \u0111\u1ecbnh n\u1eafp. B\u1ec1 m\u1eb7t m\u1eb7t b\u00edch c\u1ee7a khung b\u1ea3o v\u1ec7 t\u1ed1t m\u1eb7t \u0111\u01b0\u1eddng xung quanh n\u1eafp, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a n\u1eafp.<\/p>\n\n\n\n

II. Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i D400 v\u01b0\u1ee3t ti\u00eau chu\u1ea9n qu\u1ed1c gia: An to\u00e0n d\u1ef1 ph\u00f2ng \u1edf m\u1ee9c 88kg<\/h3>\n\n\n\n

S\u1ea3n ph\u1ea9m k\u00edch th\u01b0\u1edbc 650\u00d7850\u00d790 mm tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t ti\u00eau chu\u1ea9n qu\u1ed1c gia GB\/T 23858, \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u t\u1ea3i tr\u1ecdng D400. Theo ph\u00e2n lo\u1ea1i n\u1eafp c\u1ed1ng ti\u00eau chu\u1ea9n qu\u1ed1c gia, c\u1ea5p D400 \u00e1p d\u1ee5ng cho c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng ch\u00ednh \u0111\u00f4 th\u1ecb, \u0111\u01b0\u1eddng cao t\u1ed1c v\u00e0 \u0111\u01b0\u1eddng qu\u1ed1c l\u1ed9, v\u1edbi t\u1ea3i tr\u1ecdng th\u1eed nghi\u1ec7m l\u00e0 400kN (kho\u1ea3ng 40 t\u1ea5n). Th\u1eed nghi\u1ec7m kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i l\u00e0 ch\u1ec9 s\u1ed1 an to\u00e0n c\u1ed1t l\u00f5i \u2013 D400 t\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u1ea3i tr\u1ecdng t\u0129nh 400kN, v\u1edbi vi\u1ec7c ghi l\u1ea1i t\u1ea3i tr\u1ecdng t\u1eebng b\u01b0\u1edbc cho th\u1ea5y kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i t\u1ed1i \u0111a, bi\u1ebfn d\u1ea1ng d\u01b0 (cho ph\u00e9p \u22641\/100 nh\u1ecbp), v\u00e0 ki\u1ec3u h\u1ecfng (bi\u1ebfn d\u1ea1ng d\u1ebbo ph\u1ea3i x\u1ea3y ra tr\u01b0\u1edbc khi g\u00e3y gi\u00f2n). LZBMetal \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb gang d\u1ebbo ch\u1ea5t l\u01b0\u1ee3ng cao c\u1ea5p QT500-7 ho\u1eb7c cao h\u01a1n. Th\u00f4ng qua vi\u1ec7c l\u1ef1a ch\u1ecdn nguy\u00ean li\u1ec7u th\u00f4 c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd c\u1ea7u h\u00f3a h\u1ee3p kim magie \u0111\u1ea5t hi\u1ebfm \u0111\u1ed9c \u0111\u00e1o, v\u1eadt li\u1ec7u \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n k\u00e9o \u1ed5n \u0111\u1ecbnh v\u01b0\u1ee3t qu\u00e1 500 MPa, \u0111\u1ed9 b\u1ec1n ch\u1ea3y kh\u00f4ng d\u01b0\u1edbi 320 MPa, \u0111\u1ed9 gi\u00e3n d\u00e0i \u22657% v\u00e0 t\u1ef7 l\u1ec7 c\u1ea7u h\u00f3a v\u01b0\u1ee3t qu\u00e1 90%. Tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n 88kg l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a hi\u1ec7u \u1ee9ng k\u00e9p t\u0103ng c\u01b0\u1eddng v\u1eadt li\u1ec7u v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u1ea5u tr\u00fac \u2014 c\u00e1c g\u00e2n gia c\u01b0\u1eddng k\u00e9p "h\u01b0\u1edbng t\u00e2m + v\u00f2ng" d\u01b0\u1edbi t\u1ea5m, v\u1edbi 6-8 g\u00e2n h\u01b0\u1edbng t\u00e2m, 2-3 g\u00e2n v\u00f2ng v\u00e0 \u0111\u1ed9 d\u00e0y g\u00e2n \u226510mm, t\u1ea1o th\u00e0nh c\u1ea5u tr\u00fac h\u1ed7 tr\u1ee3 d\u00e0y \u0111\u1eb7c \u1edf c\u00e1c v\u00f9ng \u1ee9ng su\u1ea5t quan tr\u1ecdng \u0111\u1ed3ng th\u1eddi t\u1ed1i \u01b0u h\u00f3a s\u1ef1 ph\u00e2n b\u1ed1 v\u1eadt li\u1ec7u \u1edf c\u00e1c v\u00f9ng \u1ee9ng su\u1ea5t th\u1ea5p, \u0111\u1ea3m b\u1ea3o kh\u00f4ng x\u1ea3y ra bi\u1ebfn d\u1ea1ng d\u1ebbo d\u01b0\u1edbi t\u1ea3i tr\u1ecdng n\u1eb7ng trong th\u1eddi gian d\u00e0i.<\/p>\n\n\n\n

III. B\u1ea3o v\u1ec7 t\u00edch h\u1ee3p n\u0103m trong m\u1ed9t: Hi\u1ec7u su\u1ea5t an to\u00e0n to\u00e0n di\u1ec7n<\/h3>\n\n\n\n

N\u1eafp c\u1ed1ng ch\u1ed1ng l\u00fan LZBMetal t\u00edch h\u1ee3p n\u0103m ch\u1ee9c n\u0103ng ch\u00ednh\u2014ch\u1ed1ng l\u00fan, ch\u1ed1ng tr\u1ed9m, ch\u1ed1ng r\u01a1i, ch\u1ed1ng \u1ed3n v\u00e0 ch\u1ed1ng tr\u01b0\u1ee3t\u2014c\u1ea3i thi\u1ec7n to\u00e0n di\u1ec7n an to\u00e0n giao th\u00f4ng v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng. V\u1ec1 gi\u1ea3m ti\u1ebfng \u1ed3n, gio\u0103ng cao su EPDM \u0111\u01b0\u1ee3c g\u1eafn \u1edf m\u00e9p ti\u1ebfp x\u00fac gi\u1eefa n\u1eafp v\u00e0 khung v\u1edbi ph\u1ea1m vi n\u00e9n 3-5mm, gi\u00fap gi\u1ea3m t\u00e1c \u0111\u1ed9ng t\u1eeb t\u1ea3i tr\u1ecdng xe v\u00e0 lo\u1ea1i b\u1ecf ti\u1ebfng \u1ed3n do va ch\u1ea1m kim lo\u1ea1i, gi\u1ea3m ti\u1ebfng \u1ed3n t\u1eeb m\u1ee9c th\u00f4ng th\u01b0\u1eddng 70-80dB xu\u1ed1ng c\u00f2n 50-60dB, \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n ti\u1ebfng \u1ed3n khu d\u00e2n c\u01b0. V\u1ec1 ph\u00f2ng ch\u1ed1ng tr\u1ed9m c\u1eafp, h\u1ec7 th\u1ed1ng "kh\u00f3a bu l\u00f4ng \u1ea9n" \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng, v\u1edbi c\u00e1c l\u1ed7 bu l\u00f4ng \u0111\u01b0\u1ee3c gi\u1ea5u b\u00ean d\u01b0\u1edbi m\u00e9p n\u1eafp, y\u00eau c\u1ea7u d\u1ee5ng c\u1ee5 l\u1ee5c gi\u00e1c ho\u1eb7c h\u00ecnh sao \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 m\u1edf, ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 h\u00e0nh vi tr\u1ed9m c\u1eafp tr\u00e1i ph\u00e9p. M\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m c\u00f2n c\u00f3 th\u00eam "kh\u00f3a kh\u1edbp xoay" gi\u00fap kh\u00f3a n\u1eafp v\u00e0o khung sau khi xoay 5-10\u00b0, v\u1edbi \u0111\u1ed9 d\u1ecbch chuy\u1ec3n ngang \u22641mm. V\u1ec1 b\u1ea3o v\u1ec7 ch\u1ed1ng r\u01a1i, l\u01b0\u1edbi an to\u00e0n b\u1eb1ng s\u1eaft \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u1edbi kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i kh\u00f4ng d\u01b0\u1edbi 306kg, ng\u0103n ng\u1eeba hi\u1ec7u qu\u1ea3 vi\u1ec7c v\u00f4 t\u00ecnh r\u01a1i xu\u1ed1ng h\u1ed1 ga. V\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u01a1n tr\u01b0\u1ee3t, b\u1ec1 m\u1eb7t tr\u00ean c\u00f9ng c\u1ee7a t\u1ea5m ph\u1ee7 c\u00f3 c\u00e1c h\u1ecda ti\u1ebft ch\u1ed1ng tr\u01a1n tr\u01b0\u1ee3t "h\u00ecnh thoi", "h\u00ecnh thanh" ho\u1eb7c "h\u00ecnh ch\u1ea5m" v\u1edbi \u0111\u1ed9 s\u00e2u \u22652mm, h\u1ec7 s\u1ed1 ma s\u00e1t \u22650,6 (kh\u00f4) v\u00e0 \u22650,4 (\u01b0\u1edbt), gi\u00fap ng\u01b0\u1eddi \u0111i b\u1ed9 kh\u00f4ng b\u1ecb tr\u01b0\u1ee3t ng\u00e3 trong \u0111i\u1ec1u ki\u1ec7n tr\u1eddi m\u01b0a v\u00e0 tuy\u1ebft.<\/p>\n\n\n\n

IV. H\u1ec7 th\u1ed1ng ch\u1ed1ng \u0103n m\u00f2n ba l\u1edbp b\u1ec1n l\u00e2u: B\u1ea3o v\u1ec7 xuy\u00ean th\u1ebf h\u1ec7 cho \u0111\u1ed9 b\u1ec1n<\/h3>\n\n\n\n

L\u00e0 m\u1ed9t c\u00f4ng tr\u00ecnh ch\u1ecbu t\u1ea3i n\u1eb7ng ngo\u00e0i tr\u1eddi, n\u1eafp c\u1ed1ng ch\u1ed1ng l\u00fan 650\u00d7850 mm li\u00ean t\u1ee5c ti\u1ebfp x\u00fac v\u1edbi c\u00e1c ch\u1ea5t \u0103n m\u00f2n nh\u01b0 n\u01b0\u1edbc m\u01b0a, mu\u1ed1i ch\u1ed1ng \u0111\u00f3ng b\u0103ng v\u00e0 m\u01b0a axit. LZBMetal \u0111\u00e3 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n ba l\u1edbp: l\u1edbp n\u1ec1n m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng (\u0111\u1ed9 d\u00e0y k\u1ebdm \u226580\u03bcm) cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 cat\u1ed1t, trong \u0111\u00f3 k\u1ebdm b\u1ecb \u0103n m\u00f2n \u01b0u ti\u00ean \u0111\u1ec3 b\u1ea3o v\u1ec7 l\u1edbp n\u1ec1n s\u1eaft, v\u00e0 l\u1edbp h\u1ee3p kim k\u1ebdm-s\u1eaft li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd v\u1edbi l\u1edbp n\u1ec1n m\u00e0 kh\u00f4ng d\u1ec5 b\u1ecb bong tr\u00f3c; l\u1edbp ph\u1ee7 nh\u1ef1a epoxy trung gian t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp ch\u1eafn d\u00e0y \u0111\u1eb7c; v\u00e0 l\u1edbp ph\u1ee7 polyurethane b\u00ean ngo\u00e0i t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft. Trong m\u00f4i tr\u01b0\u1eddng ngo\u00e0i tr\u1eddi th\u00f4ng th\u01b0\u1eddng, l\u1edbp m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng mang l\u1ea1i cho n\u1eafp c\u1ed1ng tu\u1ed5i th\u1ecd ch\u1ed1ng \u0103n m\u00f2n h\u01a1n 30 n\u0103m, v\u01b0\u1ee3t xa tu\u1ed5i th\u1ecd 3-5 n\u0103m c\u1ee7a c\u00e1c l\u1edbp ph\u1ee7 phun s\u01a1n ho\u1eb7c bitum th\u00f4ng th\u01b0\u1eddng. To\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u0111\u00e3 tr\u1ea3i qua h\u01a1n 3.000 gi\u1edd th\u1eed nghi\u1ec7m phun mu\u1ed1i, v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n \u1ed5n \u0111\u1ecbnh trong n\u01b0\u1edbc m\u01b0a v\u00e0 m\u00f4i tr\u01b0\u1eddng ki\u1ec1m-axit c\u1ee7a \u0111\u1ea5t, th\u1eddi gian ch\u1ed1ng \u0103n m\u00f2n trong th\u1eed nghi\u1ec7m phun mu\u1ed1i trung t\u00ednh \u226596 gi\u1edd, t\u0103ng l\u00ean h\u01a1n 120 gi\u1edd sau khi x\u1eed l\u00fd th\u1ee5 \u0111\u1ed9ng h\u00f3a, th\u00edch \u1ee9ng v\u1edbi h\u1ea7u h\u1ebft c\u00e1c \u0111i\u1ec1u ki\u1ec7n ngo\u00e0i tr\u1eddi v\u00e0 th\u1eadm ch\u00ed \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n c\u1ee7a c\u00e1c khu v\u1ef1c ven bi\u1ec3n v\u00e0 c\u00f4ng nghi\u1ec7p c\u00f3 \u0111i\u1ec1u ki\u1ec7n \u00f4n h\u00f2a. Ph\u00e2n t\u00edch t\u1eeb g\u00f3c \u0111\u1ed9 chi ph\u00ed v\u00f2ng \u0111\u1eddi, m\u1eb7c d\u00f9 n\u1eafp m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng c\u00f3 chi ph\u00ed mua ban \u0111\u1ea7u cao h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi n\u1eafp ph\u1ee7 th\u00f4ng th\u01b0\u1eddng, nh\u01b0ng trong v\u00f2ng \u0111\u1eddi 30 n\u0103m, t\u1ed5ng chi ph\u00ed c\u1ee7a ch\u00fang ch\u1ec9 b\u1eb1ng 1\/3 \u0111\u1ebfn 1\/2 so v\u1edbi n\u1eafp th\u00f4ng th\u01b0\u1eddng, mang l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf d\u00e0i h\u1ea1n \u0111\u00e1ng k\u1ec3. Sau khi s\u1ea3n ph\u1ea9m h\u1ebft h\u1ea1n s\u1eed d\u1ee5ng, 100% c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf v\u00e0 n\u1ea5u ch\u1ea3y l\u1ea1i \u0111\u1ec3 t\u00e1i s\u1eed d\u1ee5ng, ph\u00f9 h\u1ee3p v\u1edbi xu h\u01b0\u1edbng m\u00f4i tr\u01b0\u1eddng xanh.<\/p>\n\n\n\n

V. S\u1ea3n xu\u1ea5t ch\u00ednh x\u00e1c v\u00e0 gi\u00e1 tr\u1ecb v\u00f2ng \u0111\u1eddi s\u1ea3n ph\u1ea9m<\/h3>\n\n\n\n

Kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc c\u1ee7a LZBMetal v\u01b0\u1ee3t xa c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh, v\u1edbi khe h\u1edf khung n\u1eafp \u22641mm, v\u01b0\u1ee3t xa y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n qu\u1ed1c gia \u22648mm, \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, kh\u00f4ng g\u00e2y ti\u1ebfng \u1ed3n sau khi l\u1eafp \u0111\u1eb7t. C\u00f4ng ty \u0111\u00e3 nh\u1eadp kh\u1ea9u thi\u1ebft b\u1ecb \u0111\u00fac ti\u00ean ti\u1ebfn t\u1eeb \u0110\u1ee9c, s\u1eed d\u1ee5ng d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t \u0111\u00fac khu\u00f4n ngang t\u1ef1 \u0111\u1ed9ng ho\u00e0n to\u00e0n kh\u00f4ng c\u1ea7n khu\u00f4n v\u00e0 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t \u0111\u00fac phun \u0111\u1ee9ng t\u1ef1 \u0111\u1ed9ng ho\u00e0n to\u00e0n kh\u00f4ng c\u1ea7n khu\u00f4n, \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ef1 \u0111\u1ed9ng h\u00f3a cao v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a s\u1ea3n ph\u1ea9m. V\u1edbi c\u00f4ng su\u1ea5t x\u1eed l\u00fd tr\u1ed9n c\u00e1t 240 t\u1ea5n v\u00e0 t\u1ed5ng c\u00f4ng su\u1ea5t s\u1ea3n xu\u1ea5t h\u00e0ng n\u0103m v\u01b0\u1ee3t qu\u00e1 100.000 t\u1ea5n, c\u00f4ng ty \u0111\u1ea1t \u0111\u01b0\u1ee3c "s\u1ef1 xu\u1ea5t s\u1eafc nh\u1ea5t qu\u00e1n tr\u00ean m\u1ecdi s\u1ea3n ph\u1ea9m". Kh\u00e1ch h\u00e0ng \u1ea4n \u0110\u1ed9 \u0111\u00e3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m chi ti\u1ebft c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a Lozhongbao trong chuy\u1ebfn th\u0103m th\u1ef1c \u0111\u1ecba, v\u1edbi k\u1ebft qu\u1ea3 ho\u00e0n to\u00e0n \u0111\u00e1p \u1ee9ng ho\u1eb7c th\u1eadm ch\u00ed v\u01b0\u1ee3t qu\u00e1 c\u00e1c y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf. Ph\u00e2n t\u00edch t\u1eeb g\u00f3c \u0111\u1ed9 chi ph\u00ed v\u00f2ng \u0111\u1eddi, n\u1eafp ch\u1ed1ng l\u00fan LZBMetal, v\u1edbi th\u1eddi gian kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec \u0111\u1eb7c bi\u1ec7t d\u00e0i v\u00e0 t\u1ef7 l\u1ec7 h\u1ecfng h\u00f3c c\u1ef1c th\u1ea5p, d\u1eabn \u0111\u1ebfn t\u1ed5ng chi ph\u00ed th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf r\u1ebb ti\u1ec1n \u0111\u00f2i h\u1ecfi thay th\u1ebf v\u00e0 s\u1eeda ch\u1eefa th\u01b0\u1eddng xuy\u00ean, th\u1ef1c s\u1ef1 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb "chi ph\u00ed ti\u00eau hao" th\u00e0nh "t\u00e0i s\u1ea3n c\u00f3 gi\u00e1 tr\u1ecb". L\u1edbp ph\u1ee7 s\u1ebd t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh theo m\u1eb7t \u0111\u01b0\u1eddng, duy tr\u00ec \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng v\u1edbi m\u1eb7t \u0111\u01b0\u1eddng, gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c h\u1ed1 ki\u1ec3m tra \u0111\u01b0\u1eddng, gi\u1ea3m t\u1ef7 l\u1ec7 s\u1eeda ch\u1eefa c\u00e1c l\u1ed7i ch\u1ea5t l\u01b0\u1ee3ng sau n\u00e0y v\u00e0 gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec.<\/p>","protected":false},"excerpt":{"rendered":"

N\u1eafp c\u1ed1ng ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo LZBMetal 650\u00d7850\u00d790, 88kg: Th\u1ef1c ti\u1ec5n k\u1ef9 thu\u1eadt "\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng v\u0129nh vi\u1ec5n" trong khu v\u1ef1c ch\u1ecbu t\u1ea3i n\u1eb7ng D400. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c s\u1ea3n ph\u1ea9m th\u00f4ng th\u01b0\u1eddng ch\u1ec9 t\u0103ng \u0111\u1ed9 d\u00e0y th\u00e0nh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u t\u1ea3i tr\u1ecdng D400, LZBMetal \u0111\u00e3 thi\u1ebft l\u1eadp v\u1ecb th\u1ebf d\u1eabn \u0111\u1ea7u v\u1ec1 k\u1ef9 thu\u1eadt m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt 650\u00d7850\u00d790, 88kg n\u00e0y. Trong khi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t th\u00f4ng th\u01b0\u1eddng ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 m\u1edf r\u1ed9ng k\u00edch th\u01b0\u1edbc m\u1eb7t b\u00edch \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n t\u1ea3i tr\u1ecdng, s\u1ea3n ph\u1ea9m c\u1ee7a LZBMetal [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42,3,2,8],"tags":[126,153,63],"class_list":["post-1770","post","type-post","status-publish","format-standard","hentry","category-anti-settlement-manhole-cover","category-ductile-cast-iron-products","category-products","category-round-manhole-cover","tag-ductile-cast-iron","tag-lzb-metal","tag-manhole-cover"],"yoast_head":"\nLZBMetal Ductile Iron Anti-Settlement Manhole Cover 650\u00d7850\u00d790, 88kg Products - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"LZBMetal's dimensional control capability far exceeds industry benchmarks, with a cover-frame fit gap \u22641mm, far surpassing the national standard requirement of \u22648mm, ensuring stable, noiseless operation after installation. The company has introduced advanced casting equipment from Germany, utilizing fully automatic horizontal flaskless molding production lines and fully automatic vertical flaskless shot molding production lines, achieving highly automated production and ensuring product consistency and stability. With sand mixing processing capacity of 240 tons and total annual production capacity exceeding 100,000 tons, it achieves "consistent excellence across every product." Indian customers conducted detailed testing of Lozhongbao's products during their site visit, with results fully meeting or even exceeding international standard requirements. Analyzed from a life-cycle cost perspective, the LZBMetal Anti-Settlement Cover, with its exceptionally long maintenance-free period and extremely low failure rate, results in significantly lower total costs compared to cheap alternatives requiring frequent replacement and repair, truly achieving the transformation from a "cost expenditure" to a "value asset." The cover settles with the road surface, maintaining levelness with the pavement, effectively extending the service life of road inspection chambers, reducing later quality defect repair rates, and lowering subsequent maintenance costs.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lzbmetal.com\/vi\/nap-cong-chong-lun-bang-gang-deo-lzbmetal-kich-thuoc-650x850x90mm-trong-luong-88kg\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LZBMetal Ductile Iron Anti-Settlement Manhole Cover 650\u00d7850\u00d790, 88kg Products - LZBMetal Products Co., Ltd\" \/>\n<meta property=\"og:description\" content=\"LZBMetal's dimensional control capability far exceeds industry benchmarks, with a cover-frame fit gap \u22641mm, far surpassing the national standard requirement of \u22648mm, ensuring stable, noiseless operation after installation. The company has introduced advanced casting equipment from Germany, utilizing fully automatic horizontal flaskless molding production lines and fully automatic vertical flaskless shot molding production lines, achieving highly automated production and ensuring product consistency and stability. With sand mixing processing capacity of 240 tons and total annual production capacity exceeding 100,000 tons, it achieves "consistent excellence across every product." Indian customers conducted detailed testing of Lozhongbao's products during their site visit, with results fully meeting or even exceeding international standard requirements. Analyzed from a life-cycle cost perspective, the LZBMetal Anti-Settlement Cover, with its exceptionally long maintenance-free period and extremely low failure rate, results in significantly lower total costs compared to cheap alternatives requiring frequent replacement and repair, truly achieving the transformation from a "cost expenditure" to a "value asset." The cover settles with the road surface, maintaining levelness with the pavement, effectively extending the service life of road inspection chambers, reducing later quality defect repair rates, and lowering subsequent maintenance costs.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lzbmetal.com\/vi\/nap-cong-chong-lun-bang-gang-deo-lzbmetal-kich-thuoc-650x850x90mm-trong-luong-88kg\/\" \/>\n<meta property=\"og:site_name\" content=\"LZBMetal Products Co., Ltd\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-15T10:25:00+00:00\" \/>\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\\\/lzbmetal-ductile-iron-anti-settlement-manhole-cover-650x850x90-88kg\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-anti-settlement-manhole-cover-650x850x90-88kg\\\/\"},\"author\":{\"name\":\"luzhongbao\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#\\\/schema\\\/person\\\/03225aba1019488054ecea53728c5cf0\"},\"headline\":\"LZBMetal Ductile Iron Anti-Settlement Manhole Cover 650\u00d7850\u00d790, 88kg\",\"datePublished\":\"2026-05-15T10:25:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-anti-settlement-manhole-cover-650x850x90-88kg\\\/\"},\"wordCount\":1258,\"commentCount\":0,\"keywords\":[\"Ductile Cast Iron\",\"LZB Metal\",\"Manhole Cover\"],\"articleSection\":[\"Anti-settlement Manhole Cover\",\"Ductile Cast Iron Products\",\"Products\",\"Round Manhole Cover\"],\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-anti-settlement-manhole-cover-650x850x90-88kg\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-anti-settlement-manhole-cover-650x850x90-88kg\\\/\",\"url\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-anti-settlement-manhole-cover-650x850x90-88kg\\\/\",\"name\":\"LZBMetal Ductile Iron Anti-Settlement Manhole Cover 650\u00d7850\u00d790, 88kg Products - LZBMetal Products Co., Ltd\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#website\"},\"datePublished\":\"2026-05-15T10:25:00+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#\\\/schema\\\/person\\\/03225aba1019488054ecea53728c5cf0\"},\"description\":\"LZBMetal's dimensional control capability far exceeds industry benchmarks, with a cover-frame fit gap \u22641mm, far surpassing the national standard requirement of \u22648mm, ensuring stable, noiseless operation after installation. 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C\u00f4ng ty \u0111\u00e3 nh\u1eadp kh\u1ea9u thi\u1ebft b\u1ecb \u0111\u00fac ti\u00ean ti\u1ebfn t\u1eeb \u0110\u1ee9c, s\u1eed d\u1ee5ng d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t \u0111\u00fac khu\u00f4n ngang t\u1ef1 \u0111\u1ed9ng ho\u00e0n to\u00e0n kh\u00f4ng c\u1ea7n khu\u00f4n v\u00e0 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t \u0111\u00fac phun \u0111\u1ee9ng t\u1ef1 \u0111\u1ed9ng ho\u00e0n to\u00e0n kh\u00f4ng c\u1ea7n khu\u00f4n, \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ef1 \u0111\u1ed9ng h\u00f3a cao v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a s\u1ea3n ph\u1ea9m. V\u1edbi c\u00f4ng su\u1ea5t x\u1eed l\u00fd tr\u1ed9n c\u00e1t 240 t\u1ea5n v\u00e0 t\u1ed5ng c\u00f4ng su\u1ea5t s\u1ea3n xu\u1ea5t h\u00e0ng n\u0103m v\u01b0\u1ee3t qu\u00e1 100.000 t\u1ea5n, c\u00f4ng ty \u0111\u1ea1t \u0111\u01b0\u1ee3c "s\u1ef1 xu\u1ea5t s\u1eafc nh\u1ea5t qu\u00e1n tr\u00ean m\u1ecdi s\u1ea3n ph\u1ea9m". Kh\u00e1ch h\u00e0ng \u1ea4n \u0110\u1ed9 \u0111\u00e3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m chi ti\u1ebft c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a Lozhongbao trong chuy\u1ebfn th\u0103m th\u1ef1c \u0111\u1ecba, v\u1edbi k\u1ebft qu\u1ea3 ho\u00e0n to\u00e0n \u0111\u00e1p \u1ee9ng ho\u1eb7c th\u1eadm ch\u00ed v\u01b0\u1ee3t qu\u00e1 c\u00e1c y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf. Ph\u00e2n t\u00edch t\u1eeb g\u00f3c \u0111\u1ed9 chi ph\u00ed v\u00f2ng \u0111\u1eddi, n\u1eafp ch\u1ed1ng l\u00fan LZBMetal, v\u1edbi th\u1eddi gian kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec \u0111\u1eb7c bi\u1ec7t d\u00e0i v\u00e0 t\u1ef7 l\u1ec7 h\u1ecfng h\u00f3c c\u1ef1c th\u1ea5p, d\u1eabn \u0111\u1ebfn t\u1ed5ng chi ph\u00ed th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf r\u1ebb ti\u1ec1n \u0111\u00f2i h\u1ecfi thay th\u1ebf v\u00e0 s\u1eeda ch\u1eefa th\u01b0\u1eddng xuy\u00ean, th\u1ef1c s\u1ef1 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb "chi ph\u00ed ti\u00eau hao" th\u00e0nh "t\u00e0i s\u1ea3n c\u00f3 gi\u00e1 tr\u1ecb". L\u1edbp ph\u1ee7 s\u1ebd t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh theo m\u1eb7t \u0111\u01b0\u1eddng, duy tr\u00ec \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng v\u1edbi m\u1eb7t \u0111\u01b0\u1eddng, gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c h\u1ed1 ki\u1ec3m tra \u0111\u01b0\u1eddng, gi\u1ea3m t\u1ef7 l\u1ec7 s\u1eeda ch\u1eefa c\u00e1c l\u1ed7i ch\u1ea5t l\u01b0\u1ee3ng sau n\u00e0y v\u00e0 gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lzbmetal.com\/vi\/nap-cong-chong-lun-bang-gang-deo-lzbmetal-kich-thuoc-650x850x90mm-trong-luong-88kg\/","og_locale":"vi_VN","og_type":"article","og_title":"LZBMetal Ductile Iron Anti-Settlement Manhole Cover 650\u00d7850\u00d790, 88kg Products - LZBMetal Products Co., Ltd","og_description":"LZBMetal's dimensional control capability far exceeds industry benchmarks, with a cover-frame fit gap \u22641mm, far surpassing the national standard requirement of \u22648mm, ensuring stable, noiseless operation after installation. The company has introduced advanced casting equipment from Germany, utilizing fully automatic horizontal flaskless molding production lines and fully automatic vertical flaskless shot molding production lines, achieving highly automated production and ensuring product consistency and stability. With sand mixing processing capacity of 240 tons and total annual production capacity exceeding 100,000 tons, it achieves \"consistent excellence across every product.\" Indian customers conducted detailed testing of Lozhongbao's products during their site visit, with results fully meeting or even exceeding international standard requirements. Analyzed from a life-cycle cost perspective, the LZBMetal Anti-Settlement Cover, with its exceptionally long maintenance-free period and extremely low failure rate, results in significantly lower total costs compared to cheap alternatives requiring frequent replacement and repair, truly achieving the transformation from a \"cost expenditure\" to a \"value asset.\" The cover settles with the road surface, maintaining levelness with the pavement, effectively extending the service life of road inspection chambers, reducing later quality defect repair rates, and lowering subsequent maintenance costs.","og_url":"https:\/\/lzbmetal.com\/vi\/nap-cong-chong-lun-bang-gang-deo-lzbmetal-kich-thuoc-650x850x90mm-trong-luong-88kg\/","og_site_name":"LZBMetal Products Co., Ltd","article_published_time":"2026-05-15T10:25:00+00:00","author":"luzhongbao","twitter_card":"summary_large_image","twitter_creator":"@Levi_Luzhongbao","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"luzhongbao","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"6 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/lzbmetal.com\/lzbmetal-ductile-iron-anti-settlement-manhole-cover-650x850x90-88kg\/#article","isPartOf":{"@id":"https:\/\/lzbmetal.com\/lzbmetal-ductile-iron-anti-settlement-manhole-cover-650x850x90-88kg\/"},"author":{"name":"luzhongbao","@id":"https:\/\/lzbmetal.com\/#\/schema\/person\/03225aba1019488054ecea53728c5cf0"},"headline":"LZBMetal Ductile Iron Anti-Settlement Manhole Cover 650\u00d7850\u00d790, 88kg","datePublished":"2026-05-15T10:25:00+00:00","mainEntityOfPage":{"@id":"https:\/\/lzbmetal.com\/lzbmetal-ductile-iron-anti-settlement-manhole-cover-650x850x90-88kg\/"},"wordCount":1258,"commentCount":0,"keywords":["Ductile Cast Iron","LZB Metal","Manhole Cover"],"articleSection":["Anti-settlement Manhole Cover","Ductile Cast Iron Products","Products","Round Manhole Cover"],"inLanguage":"vi","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/lzbmetal.com\/lzbmetal-ductile-iron-anti-settlement-manhole-cover-650x850x90-88kg\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/lzbmetal.com\/lzbmetal-ductile-iron-anti-settlement-manhole-cover-650x850x90-88kg\/","url":"https:\/\/lzbmetal.com\/lzbmetal-ductile-iron-anti-settlement-manhole-cover-650x850x90-88kg\/","name":"N\u1eafp c\u1ed1ng ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo LZBMetal, k\u00edch th\u01b0\u1edbc 650\u00d7850\u00d790 mm, tr\u1ecdng l\u01b0\u1ee3ng 88 kg - S\u1ea3n ph\u1ea9m c\u1ee7a C\u00f4ng ty TNHH S\u1ea3n ph\u1ea9m LZBMetal","isPartOf":{"@id":"https:\/\/lzbmetal.com\/#website"},"datePublished":"2026-05-15T10:25:00+00:00","author":{"@id":"https:\/\/lzbmetal.com\/#\/schema\/person\/03225aba1019488054ecea53728c5cf0"},"description":"Kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc c\u1ee7a LZBMetal v\u01b0\u1ee3t xa c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh, v\u1edbi khe h\u1edf khung n\u1eafp \u22641mm, v\u01b0\u1ee3t xa y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n qu\u1ed1c gia \u22648mm, \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, kh\u00f4ng g\u00e2y ti\u1ebfng \u1ed3n sau khi l\u1eafp \u0111\u1eb7t. C\u00f4ng ty \u0111\u00e3 nh\u1eadp kh\u1ea9u thi\u1ebft b\u1ecb \u0111\u00fac ti\u00ean ti\u1ebfn t\u1eeb \u0110\u1ee9c, s\u1eed d\u1ee5ng d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t \u0111\u00fac khu\u00f4n ngang t\u1ef1 \u0111\u1ed9ng ho\u00e0n to\u00e0n kh\u00f4ng c\u1ea7n khu\u00f4n v\u00e0 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t \u0111\u00fac phun \u0111\u1ee9ng t\u1ef1 \u0111\u1ed9ng ho\u00e0n to\u00e0n kh\u00f4ng c\u1ea7n khu\u00f4n, \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ef1 \u0111\u1ed9ng h\u00f3a cao v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a s\u1ea3n ph\u1ea9m. V\u1edbi c\u00f4ng su\u1ea5t x\u1eed l\u00fd tr\u1ed9n c\u00e1t 240 t\u1ea5n v\u00e0 t\u1ed5ng c\u00f4ng su\u1ea5t s\u1ea3n xu\u1ea5t h\u00e0ng n\u0103m v\u01b0\u1ee3t qu\u00e1 100.000 t\u1ea5n, c\u00f4ng ty \u0111\u1ea1t \u0111\u01b0\u1ee3c "s\u1ef1 xu\u1ea5t s\u1eafc nh\u1ea5t qu\u00e1n tr\u00ean m\u1ecdi s\u1ea3n ph\u1ea9m". Kh\u00e1ch h\u00e0ng \u1ea4n \u0110\u1ed9 \u0111\u00e3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m chi ti\u1ebft c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a Lozhongbao trong chuy\u1ebfn th\u0103m th\u1ef1c \u0111\u1ecba, v\u1edbi k\u1ebft qu\u1ea3 ho\u00e0n to\u00e0n \u0111\u00e1p \u1ee9ng ho\u1eb7c th\u1eadm ch\u00ed v\u01b0\u1ee3t qu\u00e1 c\u00e1c y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf. 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