{"id":12010,"date":"2026-07-15T01:19:22","date_gmt":"2026-07-15T01:19:22","guid":{"rendered":"https:\/\/www.kscranegroup.com\/?post_type=posts&#038;p=12010"},"modified":"2026-07-15T01:19:28","modified_gmt":"2026-07-15T01:19:28","slug":"overhead-crane-sheave-specifications-and-discard-criteria","status":"publish","type":"posts","link":"https:\/\/www.kscranegroup.com\/vi\/posts\/overhead-crane-sheave-specifications-and-discard-criteria\/","title":{"rendered":"R\u00f2ng r\u1ecdc c\u1ea7n c\u1ea9u tr\u00ean cao: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, c\u00e1c lo\u1ea1i v\u00e0 ti\u00eau ch\u00ed lo\u1ea1i b\u1ecf"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>M\u1ee5c l\u1ee5c<\/p><nav><ul><li><a href=\"#1-scope\">1. Ph\u1ea1m vi<\/a><\/li><li><a href=\"#2-sheave-types-and-bearing-categories\">2. C\u00e1c lo\u1ea1i r\u00f2ng r\u1ecdc v\u00e0 c\u00e1c lo\u1ea1i \u1ed5 tr\u1ee5c<\/a><ul><li><a href=\"#2-1-by-manufacturing-process\">2.1 Theo quy tr\u00ecnh s\u1ea3n xu\u1ea5t<\/a><\/li><li><a href=\"#2-2-by-bearing-type\">2.2 Theo lo\u1ea1i \u1ed5 tr\u1ee5c<\/a><\/li><\/ul><\/li><li><a href=\"#3-rope-groove-dimensions-and-d-d-ratio\">3. K\u00edch th\u01b0\u1edbc r\u00e3nh d\u00e2y v\u00e0 t\u1ef7 l\u1ec7 D\/d<\/a><\/li><li><a href=\"#4-technical-requirements\">4. Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/a><ul><li><a href=\"#4-1-material-grades\">4.1 C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u<\/a><\/li><li><a href=\"#4-2-surface-finish-and-fits\">4.2 \u0110\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ed9 kh\u00edt<\/a><\/li><li><a href=\"#4-3-geometric-tolerances\">4.3 Dung sai h\u00ecnh h\u1ecdc<\/a><\/li><li><a href=\"#4-4-operating-conditions\">4.4 \u0110i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh<\/a><\/li><li><a href=\"#4-5-sheave-discard-criteria\">4.5 Ti\u00eau ch\u00ed lo\u1ea1i b\u1ecf r\u00f2ng r\u1ecdc<\/a><\/li><\/ul><\/li><li><a href=\"#5-marking-packaging-transport-and-storage\">5. \u0110\u00e1nh d\u1ea5u, \u0111\u00f3ng g\u00f3i, v\u1eadn chuy\u1ec3n v\u00e0 l\u01b0u tr\u1eef<\/a><\/li><li><a href=\"#6-key-takeaways-for-safe-and-reliable-lifting\">6. Nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n ghi nh\u1edb \u0111\u1ec3 n\u00e2ng v\u1eadt an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>R\u00f2ng r\u1ecdc c\u1ea7n c\u1ea9u tr\u00ean cao l\u00e0 m\u1ed9t trong nh\u1eefng b\u1ed9 ph\u1eadn quan tr\u1ecdng nh\u1ea5t trong h\u1ec7 th\u1ed1ng d\u1eabn c\u00e1p c\u1ee7a c\u1ea7n c\u1ea9u, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong... <a href=\"https:\/\/www.kscranegroup.com\/vi\/overhead-cranes\/\">c\u1ea7n c\u1ea9u tr\u00ean cao<\/a>, <a href=\"https:\/\/www.kscranegroup.com\/vi\/gantry-crane\/\">c\u1ea7n tr\u1ee5c c\u1ee7a gi\u00e0n c\u1ea7n c\u1ea9u<\/a>, <a href=\"https:\/\/www.kscranegroup.com\/vi\/electric-crane-hoist\/electric-wire-rope-hoist.html\/\">t\u1eddi \u0111i\u1ec7n<\/a>v\u00e0 c\u00e1c thi\u1ebft b\u1ecb n\u00e2ng h\u1ea1 kh\u00e1c. H\u00ecnh d\u1ea1ng r\u00e3nh, \u0111\u01b0\u1eddng k\u00ednh, b\u1ed1 tr\u00ed \u1ed5 tr\u1ee5c, v\u1eadt li\u1ec7u v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t c\u1ee7a d\u00e2y c\u00e1p th\u00e9p \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tu\u1ed5i th\u1ecd, hi\u1ec7u qu\u1ea3 n\u00e2ng h\u1ea1 v\u00e0 an to\u00e0n t\u1ed5ng th\u1ec3 c\u1ee7a c\u1ea7n c\u1ea9u.<\/p>\n\n\n\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt \u0111\u1ed1i v\u1edbi r\u00f2ng r\u1ecdc c\u1ea7n c\u1ea9u tr\u00ean cao d\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n GB\/T 27546-2011, bao g\u1ed3m c\u00e1c lo\u1ea1i r\u00f2ng r\u1ecdc, t\u00f9y ch\u1ecdn \u1ed5 tr\u1ee5c, k\u00edch th\u01b0\u1edbc r\u00e3nh c\u00e1p, m\u00e1c v\u1eadt li\u1ec7u, dung sai h\u00ecnh h\u1ecdc, y\u00eau c\u1ea7u v\u1eadn h\u00e0nh v\u00e0 ti\u00eau ch\u00ed lo\u1ea1i b\u1ecf. Cho d\u00f9 b\u1ea1n \u0111ang ch\u1ecdn r\u00f2ng r\u1ecdc c\u1ea7n c\u1ea9u m\u1edbi, ki\u1ec3m tra r\u00f2ng r\u1ecdc hi\u1ec7n c\u00f3 hay so s\u00e1nh c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt thi\u1ebft k\u1ebf, b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1u cung c\u1ea5p t\u00e0i li\u1ec7u tham kh\u1ea3o k\u1ef9 thu\u1eadt th\u1ef1c ti\u1ec5n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1659\" height=\"948\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/1Overhead-Crane-Sheave-Selection-Finished-crane-sheave-bodies.png\" alt=\"\" class=\"wp-image-12001\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/1Overhead-Crane-Sheave-Selection-Finished-crane-sheave-bodies.png 1659w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/1Overhead-Crane-Sheave-Selection-Finished-crane-sheave-bodies-1536x878.png 1536w\" sizes=\"(max-width: 1659px) 100vw, 1659px\" \/><figcaption class=\"wp-element-caption\"><em>Th\u00e2n r\u00f2ng r\u1ecdc c\u1ea7n c\u1ea9u ho\u00e0n thi\u1ec7n<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-scope\">1. Ph\u1ea1m vi<\/h2>\n\n\n\n<p>Ti\u00eau chu\u1ea9n GB\/T 27546-2011 \u00e1p d\u1ee5ng cho c\u00e1c r\u00f2ng r\u1ecdc th\u00e9p (ho\u1eb7c gang) d\u00f9ng cho d\u00e2y c\u00e1p th\u00e9p th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean c\u1ea7n c\u1ea9u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-sheave-types-and-bearing-categories\">2. C\u00e1c lo\u1ea1i r\u00f2ng r\u1ecdc v\u00e0 c\u00e1c lo\u1ea1i \u1ed5 tr\u1ee5c<\/h2>\n\n\n\n<p>M\u1ed9t c\u1ee5m r\u00f2ng r\u1ecdc \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m v\u00e0nh, nan\/v\u00f2ng, tr\u1ee5c, \u1ed5 bi, n\u1eafp ch\u1eafn b\u1ee5i, v\u00f2ng \u0111\u1ec7m v\u00e0 v\u00f2ng h\u00e3m.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2027\" height=\"776\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/2Figure-2-Typical-sheave-assembly-structure.png\" alt=\"\" class=\"wp-image-12002\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/2Figure-2-Typical-sheave-assembly-structure.png 2027w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/2Figure-2-Typical-sheave-assembly-structure-1536x588.png 1536w\" sizes=\"(max-width: 2027px) 100vw, 2027px\" \/><figcaption class=\"wp-element-caption\"><em>C\u1ea5u tr\u00fac c\u1ee5m r\u00f2ng r\u1ecdc \u0111i\u1ec3n h\u00ecnh (Ngu\u1ed3n: GB\/T 27546-2011)<\/em><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-1-by-manufacturing-process\">2.1 Theo quy tr\u00ecnh s\u1ea3n xu\u1ea5t<\/h3>\n\n\n\n<p>R\u00f2ng r\u1ecdc c\u1ea7n c\u1ea9u tr\u00ean cao \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo b\u1ed1n lo\u1ea1i: \u0111\u00fac, h\u00e0n, \u00e9p t\u1ea5m \u0111\u00f4i v\u00e0 c\u00e1n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1885\" height=\"834\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/3Figure-3-Sheave-types-and-rope-groove-profiles.png\" alt=\"\" class=\"wp-image-12003\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/3Figure-3-Sheave-types-and-rope-groove-profiles.png 1885w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/3Figure-3-Sheave-types-and-rope-groove-profiles-1536x680.png 1536w\" sizes=\"(max-width: 1885px) 100vw, 1885px\" \/><figcaption class=\"wp-element-caption\"><em>C\u00e1c lo\u1ea1i r\u00f2ng r\u1ecdc v\u00e0 h\u00ecnh d\u1ea1ng r\u00e3nh d\u00e2y c\u00e1p (Ngu\u1ed3n: GB\/T 27546-2011)<\/em><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-2-by-bearing-type\">2.2 Theo lo\u1ea1i \u1ed5 tr\u1ee5c<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Lo\u1ea1i \u1ed5 tr\u1ee5c<\/th><th>Ti\u00eau chu\u1ea9n tham chi\u1ebfu<\/th><\/tr><\/thead><tbody><tr><td>V\u00f2ng bi r\u00e3nh s\u00e2u<\/td><td>GB\/T 276-2013<\/td><\/tr><tr><td>V\u00f2ng bi l\u0103n h\u00ecnh tr\u1ee5<\/td><td>GB\/T 283-2021<\/td><\/tr><tr><td>\u1ed4 bi l\u0103n tr\u1ee5 hai h\u00e0ng \u0111\u1ea7y \u0111\u1ee7<\/td><td>GB\/T 285-2013<\/td><\/tr><tr><td>\u1ed4 tr\u01b0\u1ee3t<\/td><td>GB\/T 10445-1989<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/4Figure-4-Sheave-bearing-types.png\" alt=\"\" class=\"wp-image-12004\"\/><figcaption class=\"wp-element-caption\"><em>C\u00e1c lo\u1ea1i \u1ed5 \u0111\u1ee1 r\u00f2ng r\u1ecdc (Ngu\u1ed3n: GB\/T 27546-2011)<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-rope-groove-dimensions-and-d-d-ratio\">3. K\u00edch th\u01b0\u1edbc r\u00e3nh d\u00e2y v\u00e0 t\u1ef7 l\u1ec7 D\/d<\/h2>\n\n\n\n<p>K\u00edch th\u01b0\u1edbc m\u1eb7t c\u1eaft ngang c\u1ee7a r\u00e3nh lu\u1ed3n d\u00e2y ph\u1ea3i tu\u00e2n th\u1ee7 B\u1ea3ng 1 c\u1ee7a ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1073\" height=\"1465\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/5Table-1-Sheave-rope-groove-cross-section-basic-dimensions.png\" alt=\"\" class=\"wp-image-12005\"\/><figcaption class=\"wp-element-caption\"><em>B\u1ea3ng 1. K\u00edch th\u01b0\u1edbc c\u01a1 b\u1ea3n c\u1ee7a m\u1eb7t c\u1eaft ngang r\u00e3nh d\u00e2y c\u00e1p r\u00f2ng r\u1ecdc (Ngu\u1ed3n: GB\/T 27546-2011)<\/em><\/figcaption><\/figure>\n\n\n\n<p>M\u1ed1i quan h\u1ec7 gi\u1eefa \u0111\u01b0\u1eddng k\u00ednh r\u00f2ng r\u1ecdc D v\u00e0 \u0111\u01b0\u1eddng k\u00ednh d\u00e2y c\u00e1p d (t\u1ef7 l\u1ec7 D\/d) \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong B\u1ea3ng 2. \u0110i\u1ec1u n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c tham chi\u1ebfu trong ti\u00eau chu\u1ea9n GB\/T 34529-2017 \u0111\u1ec3 l\u1ef1a ch\u1ecdn t\u1ed5ng th\u1ec3 tang tr\u1ed1ng v\u00e0 r\u00f2ng r\u1ecdc.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1310\" height=\"1201\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/6Table-2-Relationship-between-sheave-diameter-D-and-wire-rope-diameter-d.png\" alt=\"\" class=\"wp-image-12006\"\/><figcaption class=\"wp-element-caption\"><em>B\u1ea3ng 2 M\u1ed1i quan h\u1ec7 gi\u1eefa \u0111\u01b0\u1eddng k\u00ednh r\u00f2ng r\u1ecdc D v\u00e0 \u0111\u01b0\u1eddng k\u00ednh d\u00e2y c\u00e1p d (Ngu\u1ed3n: GB\/T 34529-2017)<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-technical-requirements\">4. Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-1-material-grades\">4.1 C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Ph\u1ea7n<\/th><th>V\u1eadt li\u1ec7u<\/th><th>Quy tr\u00ecnh \u00e1p d\u1ee5ng<\/th><\/tr><\/thead><tbody><tr><td>Tr\u1ee5c, l\u01b0\u1edbi, v\u00e0nh, l\u1edbp l\u00f3t d\u00e2y<\/td><td>Th\u00e9p \u0111\u00fac \u2265 ZG270-500 (GB\/T 11352-2009)<\/td><td>R\u00f2ng r\u1ecdc \u0111\u00fac<\/td><\/tr><tr><td>Tr\u1ee5c, l\u01b0\u1edbi, v\u00e0nh, l\u1edbp l\u00f3t d\u00e2y<\/td><td>Gang \u0111\u00fac \u2265 HT200 (GB\/T 9439-2023)<\/td><td>R\u00f2ng r\u1ecdc \u0111\u00fac, tr\u1ee5c r\u00f2ng r\u1ecdc \u00e9p, mi\u1ebfng \u0111\u1ec7m<\/td><\/tr><tr><td>Tr\u1ee5c, l\u01b0\u1edbi, v\u00e0nh, l\u1edbp l\u00f3t d\u00e2y<\/td><td>Gang d\u1ebbo \u2265 QT400-18 (GB\/T 1348-2019)<\/td><td>R\u00f2ng r\u1ecdc \u0111\u00fac<\/td><\/tr><tr><td>Tr\u1ee5c, l\u01b0\u1edbi, v\u00e0nh, l\u1edbp l\u00f3t d\u00e2y<\/td><td>Th\u00e9p k\u1ebft c\u1ea5u \u2265 Q235B (GB\/T 700-2006)<\/td><td>R\u00f2ng r\u1ecdc c\u00e1n, h\u00e0n; r\u00f2ng r\u1ecdc \u00e9p (v\u00f2ng, \u1ed1ng n\u1ed1i), n\u1eafp che b\u1ee5i<\/td><\/tr><tr><td>V\u00f2ng kh\u00f3a<\/td><td>Th\u00e9p k\u1ebft c\u1ea5u \u2265 45 (GB\/T 699-2015)<\/td><td>T\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1254\" height=\"1254\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/7Figure-5-Cast-sheave-blank.png\" alt=\"\" class=\"wp-image-12007\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/7Figure-5-Cast-sheave-blank.png 1254w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/7Figure-5-Cast-sheave-blank-150x150.png 150w\" sizes=\"(max-width: 1254px) 100vw, 1254px\" \/><figcaption class=\"wp-element-caption\"><em>Ph\u00f4i r\u00f2ng r\u1ecdc \u0111\u00fac<\/em><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-2-surface-finish-and-fits\">4.2 \u0110\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ed9 kh\u00edt<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>T\u00ednh n\u0103ng<\/th><th>Y\u00eau c\u1ea7u<\/th><\/tr><\/thead><tbody><tr><td>B\u1ec1 m\u1eb7t r\u00e3nh d\u00e2y (\u0111\u01b0\u1ee3c gia c\u00f4ng)<\/td><td>Ra \u2264 12,5 \u03bcm<\/td><\/tr><tr><td>B\u1ec1 m\u1eb7t r\u00e3nh d\u00e2y (\u0111\u01b0\u1ee3c c\u00e1n\/\u00e9p)<\/td><td>Ra \u2264 25 \u03bcm<\/td><\/tr><tr><td>b\u1ec1 m\u1eb7t l\u1ed7 \u1ed5 tr\u1ee5c<\/td><td>Ra \u2264 3,2 \u03bcm<\/td><\/tr><tr><td>C\u00e1c b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u01b0\u1ee3c gia c\u00f4ng kh\u00e1c<\/td><td>Ra \u2264 25 \u03bcm<\/td><\/tr><tr><td>\u0110\u1ed9 kh\u00edt gi\u1eefa th\u00e2n r\u00f2ng r\u1ecdc v\u00e0 \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i c\u1ee7a \u1ed5 tr\u1ee5c<\/td><td>Khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng M7 ho\u1eb7c P7.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-3-geometric-tolerances\">4.3 Dung sai h\u00ecnh h\u1ecdc<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1628\" height=\"966\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/8Figure-6-Sheave-geometric-tolerances.png\" alt=\"\" class=\"wp-image-12008\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/8Figure-6-Sheave-geometric-tolerances.png 1628w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/8Figure-6-Sheave-geometric-tolerances-1536x911.png 1536w\" sizes=\"(max-width: 1628px) 100vw, 1628px\" \/><figcaption class=\"wp-element-caption\"><em>Dung sai h\u00ecnh h\u1ecdc c\u1ee7a r\u00f2ng r\u1ecdc (Ngu\u1ed3n: GB\/T 27546-2011)<\/em><\/figcaption><\/figure>\n\n\n\n<p>t1 v\u00e0 t2 l\u00e0 dung sai h\u00ecnh d\u1ea1ng; t3 v\u00e0 t4 l\u00e0 dung sai v\u1ecb tr\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-4-operating-conditions\">4.4 \u0110i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh<\/h3>\n\n\n\n<ul>\n<li>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng: \u221220\u00b0C \u0111\u1ebfn +40\u00b0C. C\u00e1c \u0111i\u1ec1u ki\u1ec7n n\u1eb1m ngo\u00e0i ph\u1ea1m vi n\u00e0y c\u1ea7n c\u00f3 s\u1ef1 th\u1ecfa thu\u1eadn gi\u1eefa ng\u01b0\u1eddi s\u1eed d\u1ee5ng v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t.<\/li>\n\n\n\n<li>G\u00f3c nghi\u00eang c\u1ee7a d\u00e2y c\u00e1p khi v\u00e0o\/ra r\u00e3nh r\u00f2ng r\u1ecdc: \u2264 5\u00b0<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-5-sheave-discard-criteria\">4.5 Ti\u00eau ch\u00ed lo\u1ea1i b\u1ecf r\u00f2ng r\u1ecdc<\/h3>\n\n\n\n<p>R\u00f2ng r\u1ecdc c\u1ea7n c\u1ea9u tr\u00ean cao ph\u1ea3i \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf khi ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 m\u1ed9t trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>#<\/th><th>Lo\u1ea1i b\u1ecf \u0111i\u1ec1u ki\u1ec7n<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>C\u00e1c v\u1ebft n\u1ee9t ho\u1eb7c c\u00e1c m\u1ed1i n\u1ed1i \u0111inh t\u00e1n b\u1ecb l\u1ecfng<\/td><\/tr><tr><td>2<\/td><td>V\u00e0nh b\u1ecb h\u01b0 h\u1ea1i; r\u00e3nh b\u1ecb m\u00f2n kh\u00f4ng \u0111\u1ec1u, \u0111\u1ea1t \u0111\u1ebfn 3 mm.<\/td><\/tr><tr><td>3<\/td><td>R\u00f2ng r\u1ecdc h\u00e0n, \u0111\u00fac ho\u1eb7c c\u00e1n: \u0111\u1ed9 m\u00e0i m\u00f2n v\u01b0\u1ee3t qu\u00e1 20% \u0111\u1ed9 d\u00e0y t\u1ea5m v\u00e0nh, HO\u1eb6C \u0111\u01b0\u1eddng k\u00ednh \u0111\u00e1y r\u00e3nh gi\u1ea3m \u0111\u1ebfn 50% \u0111\u01b0\u1eddng k\u00ednh d\u00e2y c\u00e1p<\/td><\/tr><tr><td>4<\/td><td>R\u00f2ng r\u1ecdc \u00e9p hai t\u1ea5m: \u0111\u1ed9 m\u00e0i m\u00f2n c\u1ee7a l\u1edbp l\u00f3t d\u00e2y v\u01b0\u1ee3t qu\u00e1 50% \u0111\u1ed9 d\u00e0y ban \u0111\u1ea7u.<\/td><\/tr><tr><td>5<\/td><td>B\u1ea5t k\u1ef3 l\u1ed7i n\u00e0o kh\u00e1c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c g\u00e2y h\u01b0 h\u1ecfng d\u00e2y c\u00e1p.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Ghi ch\u00fa<\/strong>Ti\u00eau chu\u1ea9n GB\/T 27546-2026 (c\u00f3 hi\u1ec7u l\u1ef1c t\u1eeb th\u00e1ng 9 n\u0103m 2026) lo\u1ea1i b\u1ecf \u0111i\u1ec1u kho\u1ea3n v\u1ec1 ti\u00eau ch\u00ed lo\u1ea1i b\u1ecf. Ng\u01b0\u1ee1ng lo\u1ea1i b\u1ecf n\u00eau tr\u00ean t\u1eeb phi\u00ean b\u1ea3n n\u0103m 2011 v\u1eabn l\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o c\u00f3 gi\u00e1 tr\u1ecb cho vi\u1ec7c ki\u1ec3m tra th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-marking-packaging-transport-and-storage\">5. \u0110\u00e1nh d\u1ea5u, \u0111\u00f3ng g\u00f3i, v\u1eadn chuy\u1ec3n v\u00e0 l\u01b0u tr\u1eef<\/h2>\n\n\n\n<ul>\n<li>M\u1ed7i r\u00f2ng r\u1ecdc ph\u1ea3i c\u00f3 m\u1ed9t d\u1ea5u hi\u1ec7u c\u1ed1 \u0111\u1ecbnh, d\u1ec5 \u0111\u1ecdc \u1edf v\u1ecb tr\u00ed d\u1ec5 th\u1ea5y, th\u1ec3 hi\u1ec7n t\u00ean g\u1ecdi ki\u1ec3u r\u00f2ng r\u1ecdc v\u00e0 th\u00f4ng tin nh\u1eadn d\u1ea1ng c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/li>\n\n\n\n<li>Bao b\u00ec ph\u1ea3i b\u1ea3o v\u1ec7 c\u00e1c b\u00f3 l\u00faa kh\u1ecfi h\u01b0 h\u1ea1i v\u00e0 \u0103n m\u00f2n (GB\/T 13384-2008)<\/li>\n\n\n\n<li>C\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 th\u00edch h\u1ee3p trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n.<\/li>\n\n\n\n<li>Trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n, b\u00f3 l\u00faa kh\u00f4ng \u0111\u01b0\u1ee3c ti\u1ebfp x\u00fac v\u1edbi c\u00e1c ch\u1ea5t \u0103n m\u00f2n c\u00f3 t\u00ednh axit ho\u1eb7c ki\u1ec1m; c\u1ea7n tr\u00e1nh \u0111\u1ec3 n\u01b0\u1edbc x\u00e2m nh\u1eadp v\u00e0 \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp k\u00e9o d\u00e0i.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1327\" height=\"1186\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/9Figure-7-Ring-rolled-double-plate-wide-groove-sheave.png\" alt=\"\" class=\"wp-image-12009\"\/><figcaption class=\"wp-element-caption\"><em>R\u00f2ng r\u1ecdc r\u00e3nh r\u1ed9ng hai t\u1ea5m c\u00e1n v\u00f2ng<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-key-takeaways-for-safe-and-reliable-lifting\">6. Nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n ghi nh\u1edb \u0111\u1ec3 n\u00e2ng v\u1eadt an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady<\/h2>\n\n\n\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i r\u00f2ng r\u1ecdc c\u1ea7u tr\u1ee5c ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o v\u1eadn h\u00e0nh c\u1ea7u tr\u1ee5c an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady. K\u00edch th\u01b0\u1edbc r\u00e3nh ph\u00f9 h\u1ee3p, v\u1eadt li\u1ec7u th\u00edch h\u1ee3p, dung sai s\u1ea3n xu\u1ea5t ch\u00ednh x\u00e1c v\u00e0 ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean \u0111\u1ec1u g\u00f3p ph\u1ea7n k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd d\u00e2y c\u00e1p v\u00e0 gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec.<\/p>\n\n\n\n<p>B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a ti\u00eau chu\u1ea9n GB\/T 27546-2011 v\u00e0 \u00e1p d\u1ee5ng c\u00e1c ti\u00eau ch\u00ed lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3, ch\u1ee7 s\u1edf h\u1eefu c\u1ea7n c\u1ea9u v\u00e0 k\u1ef9 s\u01b0 b\u1ea3o tr\u00ec c\u00f3 th\u1ec3 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro h\u1ecfng h\u00f3c b\u1ea5t ng\u1edd.<\/p>\n\n\n\n<p>N\u1ebfu b\u1ea1n \u0111ang thi\u1ebft k\u1ebf, thay th\u1ebf ho\u1eb7c b\u1ea3o tr\u00ec r\u00f2ng r\u1ecdc c\u1ea7n c\u1ea9u tr\u00ean cao, c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt n\u00e0y cung c\u1ea5p t\u00e0i li\u1ec7u tham kh\u1ea3o thi\u1ebft th\u1ef1c \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ea3 s\u1ef1 an to\u00e0n v\u00e0 hi\u1ec7u su\u1ea5t l\u00e2u d\u00e0i.<\/p>\n\n\n\n<p><strong>Ti\u00eau chu\u1ea9n tham chi\u1ebfu<strong><strong><strong>(<a href=\"https:\/\/openstd.samr.gov.cn\/bzgk\/std\/std_list?p.p1=0&amp;p.p90=circulation_date&amp;p.p91=desc&amp;p.p2=%E8%B5%B7%E9%87%8D%E6%9C%BA\" target=\"_blank\" rel=\"noopener\">Tra c\u1ee9u ti\u00eau chu\u1ea9n c\u1ea7n c\u1ea9u Trung Qu\u1ed1c<\/a>)<\/strong><\/strong><\/strong>:<\/strong><\/p>\n\n\n\n<ul>\n<li>GB\/T 27546-2011 C\u1ea7n c\u1ea9u \u2014 R\u00f2ng r\u1ecdc<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n GB\/T 34529-2017 C\u1ea7n c\u1ea9u v\u00e0 t\u1eddi n\u00e2ng \u2014 L\u1ef1a ch\u1ecdn d\u00e2y c\u00e1p, tang cu\u1ed1n v\u00e0 r\u00f2ng r\u1ecdc (IDT ISO 16625:2013)<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n GB\/T 11352-2009: C\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00fac b\u1eb1ng th\u00e9p cacbon d\u00f9ng trong k\u1ef9 thu\u1eadt chung.<\/li>\n\n\n\n<li>GB\/T 9439-2023 V\u1eadt \u0111\u00fac gang x\u00e1m<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n GB\/T 1348-2019 V\u1eadt \u0111\u00fac gang graphit h\u00ecnh c\u1ea7u<\/li>\n\n\n\n<li>Th\u00e9p k\u1ebft c\u1ea5u cacbon GB\/T 700-2006<\/li>\n\n\n\n<li>Th\u00e9p k\u1ebft c\u1ea5u cacbon ch\u1ea5t l\u01b0\u1ee3ng cao theo ti\u00eau chu\u1ea9n GB\/T 699-2015<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n GB\/T 276-2013 V\u00f2ng bi l\u0103n \u2014 V\u00f2ng bi c\u1ea7u r\u00e3nh s\u00e2u \u2014 K\u00edch th\u01b0\u1edbc gi\u1edbi h\u1ea1n<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n GB\/T 283-2021 V\u00f2ng bi l\u0103n \u2014 V\u00f2ng bi l\u0103n h\u00ecnh tr\u1ee5 \u2014 K\u00edch th\u01b0\u1edbc gi\u1edbi h\u1ea1n<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n GB\/T 285-2013 V\u00f2ng bi l\u0103n \u2014 V\u00f2ng bi l\u0103n tr\u1ee5 hai h\u00e0ng \u2014 K\u00edch th\u01b0\u1edbc gi\u1edbi h\u1ea1n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"An overhead crane sheave is a critical load-bearing component in the reeving system \u2014 its groove geometry, bearing type, material, and condition directly affect wire rope service life and lifting safe","protected":false},"featured_media":12001,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[189],"posts_tag":[801,858,857,850,121,860,862,861,859,57],"acf":[],"_links":{"self":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts\/12010"}],"collection":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":6,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts\/12010\/revisions"}],"predecessor-version":[{"id":12056,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts\/12010\/revisions\/12056"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/media\/12001"}],"wp:attachment":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/media?parent=12010"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/posts_category?post=12010"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/posts_tag?post=12010"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}