{"id":11917,"date":"2026-07-07T07:11:30","date_gmt":"2026-07-07T07:11:30","guid":{"rendered":"https:\/\/www.kscranegroup.com\/?post_type=posts&#038;p=11917"},"modified":"2026-07-07T07:11:35","modified_gmt":"2026-07-07T07:11:35","slug":"overhead-crane-wire-rope-selection","status":"publish","type":"posts","link":"https:\/\/www.kscranegroup.com\/vi\/posts\/overhead-crane-wire-rope-selection\/","title":{"rendered":"L\u1ef1a ch\u1ecdn d\u00e2y c\u00e1p cho c\u1ea7n c\u1ea9u tr\u00ean cao: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 thi\u1ebft k\u1ebf tang cu\u1ed1n v\u00e0 r\u00f2ng r\u1ecdc an to\u00e0n"},"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-overhead-crane-wire-rope-minimum-safety-factor-zp\">2. H\u1ec7 s\u1ed1 an to\u00e0n t\u1ed1i thi\u1ec3u c\u1ee7a d\u00e2y c\u00e1p c\u1ea7n c\u1ea9u tr\u00ean cao Zp<\/a><\/li><li><a href=\"#3-overhead-crane-wire-rope-selection\">3. L\u1ef1a ch\u1ecdn d\u00e2y c\u00e1p cho c\u1ea7n c\u1ea9u tr\u00ean cao<\/a><ul><li><a href=\"#3-1-minimum-breaking-force\">3.1 L\u1ef1c ph\u00e1 v\u1ee1 t\u1ed1i thi\u1ec3u<\/a><\/li><li><a href=\"#3-2-maximum-fleet-angle\">3.2 G\u00f3c nghi\u00eang t\u1ed1i \u0111a c\u1ee7a \u0111\u1ed9i t\u00e0u<\/a><\/li><li><a href=\"#3-3-maximum-service-temperature-for-wire-rope\">3.3 Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a c\u1ee7a d\u00e2y c\u00e1p th\u00e9p<\/a><\/li><\/ul><\/li><li><a href=\"#4-overhead-crane-drum-and-sheave-selection\">4. L\u1ef1a ch\u1ecdn tang tr\u1ed1ng v\u00e0 r\u00f2ng r\u1ecdc cho c\u1ea7n c\u1ea9u tr\u00ean cao<\/a><ul><li><a href=\"#4-1-drum-type-and-winding-direction\">4.1 Lo\u1ea1i tr\u1ed1ng v\u00e0 h\u01b0\u1edbng cu\u1ed9n d\u00e2y<\/a><\/li><li><a href=\"#4-2-groove-radius-and-sheave-material\">4.2 B\u00e1n k\u00ednh r\u00e3nh v\u00e0 v\u1eadt li\u1ec7u puly<\/a><\/li><li><a href=\"#4-3-minimum-drum-and-sheave-diameter\">4.3 \u0110\u01b0\u1eddng k\u00ednh t\u1ed1i thi\u1ec3u c\u1ee7a tang tr\u1ed1ng v\u00e0 r\u00f2ng r\u1ecdc<\/a><\/li><\/ul><\/li><li><a href=\"#5-special-operating-conditions\">5. \u0110i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh \u0111\u1eb7c bi\u1ec7t<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>D\u00e2y c\u00e1p th\u00e9p, <a href=\"https:\/\/www.kscranegroup.com\/vi\/crane-parts\/wire-drum.html\/\">tr\u1ed1ng<\/a>Tang tr\u1ed1ng v\u00e0 r\u00f2ng r\u1ecdc l\u00e0 c\u00e1c b\u1ed9 ph\u1eadn c\u1ed1t l\u00f5i c\u1ee7a b\u1ea5t k\u1ef3 c\u1ea7n c\u1ea9u ho\u1eb7c c\u01a1 c\u1ea5u n\u00e2ng h\u1ea1 n\u00e0o. Khi l\u1ef1a ch\u1ecdn c\u00e1c b\u1ed9 ph\u1eadn n\u00e0y, b\u1ea1n n\u00ean s\u1eed d\u1ee5ng h\u1ec7 s\u1ed1 an to\u00e0n t\u1ed1i thi\u1ec3u l\u00e0 bao nhi\u00eau? L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00ednh to\u00e1n l\u1ef1c ph\u00e1 v\u1ee1 t\u1ed1i thi\u1ec3u c\u1ea7n thi\u1ebft? \u0110\u01b0\u1eddng k\u00ednh c\u1ee7a tang tr\u1ed1ng v\u00e0 r\u00f2ng r\u1ecdc n\u00ean l\u00e0 bao nhi\u00eau?<\/p>\n\n\n\n<p>Gi\u1ea3i th\u00edch v\u1ec1 vi\u1ec7c l\u1ef1a ch\u1ecdn d\u00e2y c\u00e1p th\u00e9p cho c\u1ea7n c\u1ea9u tr\u00ean cao theo ti\u00eau chu\u1ea9n GB\/T 34529-2017 (ISO 16625). T\u00ecm hi\u1ec3u c\u00e1ch t\u00ednh to\u00e1n l\u1ef1c ph\u00e1 v\u1ee1 t\u1ed1i thi\u1ec3u, ch\u1ecdn h\u1ec7 s\u1ed1 an to\u00e0n d\u00e2y c\u00e1p th\u00e9p ph\u00f9 h\u1ee3p, x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng k\u00ednh tang cu\u1ed1n v\u00e0 r\u00f2ng r\u1ecdc, ki\u1ec3m so\u00e1t g\u00f3c c\u0103ng d\u00e2y, ch\u1ecdn k\u00edch th\u01b0\u1edbc r\u00e3nh v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t d\u00e2y c\u00e1p th\u00e9p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n c\u1ea9u v\u00e0 t\u1eddi n\u00e2ng tr\u00ean cao.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1928\" height=\"816\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/1Figure-1-Overhead-crane-european-style-lifting-mechanism.png\" alt=\"\" class=\"wp-image-11907\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/1Figure-1-Overhead-crane-european-style-lifting-mechanism.png 1928w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/1Figure-1-Overhead-crane-european-style-lifting-mechanism-1536x650.png 1536w\" sizes=\"(max-width: 1928px) 100vw, 1928px\" \/><figcaption class=\"wp-element-caption\"><em>H\u00ecnh 1. C\u01a1 c\u1ea5u n\u00e2ng ki\u1ec3u ch\u00e2u \u00c2u.<\/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 n\u00e0y \u00e1p d\u1ee5ng cho c\u00e1c lo\u1ea1i c\u1ea7n c\u1ea9u v\u00e0 t\u1eddi n\u00e2ng sau (h\u1ea7u h\u1ebft \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong ISO 4306-1, t\u01b0\u01a1ng \u1ee9ng v\u1edbi GB\/T 6974.1-2008):<\/p>\n\n\n\n<ul>\n<li>C\u1ea7n c\u1ea9u c\u1ea7u (c\u1ea7n c\u1ea9u tr\u00ean cao)<\/li>\n\n\n\n<li>M\u00e1y n\u00e2ng c\u00e1p<\/li>\n\n\n\n<li>C\u1ea7n c\u1ea9u c\u1ed5ng ho\u1eb7c c\u1ea7n c\u1ea9u b\u00e1n c\u1ed5ng<\/li>\n\n\n\n<li>C\u1ea7n c\u1ea9u gi\u00e0n ho\u1eb7c c\u1ea7n c\u1ea9u b\u00e1n gi\u00e0n<\/li>\n\n\n\n<li>C\u1ea7n c\u1ea9u c\u00e1p v\u00e0 c\u1ea7n c\u1ea9u c\u00e1p d\u1ea1ng c\u1ed5ng (ch\u1ec9 bao g\u1ed3m c\u01a1 c\u1ea5u n\u00e2ng v\u00e0 c\u01a1 c\u1ea5u di chuy\u1ec3n xe \u0111\u1ea9y)<\/li>\n\n\n\n<li>C\u1ea7n c\u1ea9u di \u0111\u1ed9ng<\/li>\n\n\n\n<li>C\u1ea7n c\u1ea9u th\u00e1p<\/li>\n\n\n\n<li>C\u1ea7n c\u1ea9u \u0111\u01b0\u1eddng s\u1eaft<\/li>\n\n\n\n<li>C\u1ea7n c\u1ea9u n\u1ed5i<\/li>\n\n\n\n<li>C\u1ea7n c\u1ea9u tr\u00ean boong<\/li>\n\n\n\n<li>C\u1ea7n c\u1ea9u gi\u00e0n v\u00e0 c\u1ea7n c\u1ea9u gi\u00e0n ki\u1ec3u c\u00e1p<\/li>\n\n\n\n<li>C\u1ea7n c\u1ea9u gi\u00e0n c\u00f3 thanh gi\u1eb1ng c\u1ee9ng<\/li>\n\n\n\n<li>C\u1ea7n c\u1ea9u c\u1ea7n tr\u1ee5c (c\u1ea7n tr\u1ee5c tr\u1ee5, c\u1ea7n tr\u1ee5c c\u1ea7n tr\u1ee5c, c\u1ea7n tr\u1ee5c t\u01b0\u1eddng ho\u1eb7c c\u1ea7n tr\u1ee5c ki\u1ec3u xe \u0111\u1ea1p)<\/li>\n\n\n\n<li>C\u1ea7n c\u1ea9u ngo\u00e0i kh\u01a1i th\u00f4ng d\u1ee5ng<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-overhead-crane-wire-rope-minimum-safety-factor-zp\">2. H\u1ec7 s\u1ed1 an to\u00e0n t\u1ed1i thi\u1ec3u c\u1ee7a d\u00e2y c\u00e1p c\u1ea7n c\u1ea9u tr\u00ean cao Zp<\/h2>\n\n\n\n<p>H\u1ec7 s\u1ed1 an to\u00e0n t\u1ed1i thi\u1ec3u cho d\u00e2y c\u00e1p c\u1ea9u tr\u1ee5c tr\u00ean cao ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7m v\u1ee5 c\u1ee7a c\u01a1 c\u1ea5u, \u1ee9ng d\u1ee5ng c\u1ee7a d\u00e2y c\u00e1p, c\u00e1ch b\u1ed1 tr\u00ed lu\u1ed3n d\u00e2y v\u00e0 lo\u1ea1i d\u00e2y c\u00e1p.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1832\" height=\"859\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/2Table-1-Minimum-safety-factors-for-overhead-cranes-and-hoists-Source-GBT-34529-2017.png\" alt=\"\" class=\"wp-image-11908\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/2Table-1-Minimum-safety-factors-for-overhead-cranes-and-hoists-Source-GBT-34529-2017.png 1832w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/2Table-1-Minimum-safety-factors-for-overhead-cranes-and-hoists-Source-GBT-34529-2017-1536x720.png 1536w\" sizes=\"(max-width: 1832px) 100vw, 1832px\" \/><figcaption class=\"wp-element-caption\"><em>B\u1ea3ng 1. H\u1ec7 s\u1ed1 an to\u00e0n t\u1ed1i thi\u1ec3u cho c\u1ea7n c\u1ea9u (tr\u1eeb c\u1ea7n c\u1ea9u di \u0111\u1ed9ng) v\u00e0 t\u1eddi n\u00e2ng (Ngu\u1ed3n: GB\/T 34529-2017)<\/em><\/figcaption><\/figure>\n\n\n\n<p>C\u00e1c m\u1ee5c 1\u20135 \u0111\u01b0\u1ee3c tr\u00edch d\u1eabn t\u1eeb B\u1ea3ng 44 c\u1ee7a GB\/T 3811-2008; c\u00e1c m\u1ee5c 6\u20139 \u0111\u01b0\u1ee3c tr\u00edch d\u1eabn t\u1eeb GB\/T 34529-2017 v\u00e0 GB\/T 8706-2017.<\/p>\n\n\n\n<p><strong>Ghi ch\u00fa b\u1ed5 sung quan tr\u1ecdng:<\/strong><\/p>\n\n\n\n<ol>\n<li>\u0110\u1ed1i v\u1edbi d\u00e2y c\u00e1p th\u00e9p d\u00f9ng \u0111\u1ec3 v\u1eadn chuy\u1ec3n h\u00e0ng h\u00f3a nguy hi\u1ec3m, h\u00e3y ch\u1ecdn h\u1ec7 s\u1ed1 an to\u00e0n t\u1eeb b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y. <strong>cao h\u01a1n m\u1ed9t b\u1eadc nhi\u1ec7m v\u1ee5 c\u00f4ng vi\u1ec7c<\/strong> h\u01a1n l\u00e0 ph\u00e2n lo\u1ea1i thi\u1ebft k\u1ebf.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi c\u1ea7n c\u1ea9u luy\u1ec7n kim v\u00e0 c\u1ea7n c\u1ea9u container c\u1ea3ng c\u00f3 nhi\u1ec7m v\u1ee5 v\u1eadn h\u00e0nh c\u01a1 c\u1ea5u M7 ho\u1eb7c M8, <strong>ph\u00e2n lo\u1ea1i nhi\u1ec7m v\u1ee5 c\u00f4ng vi\u1ec7c th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat<\/strong> C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1ef1a ch\u1ecdn d\u00e2y c\u00e1p th\u00e9p, v\u1edbi \u0111i\u1ec1u ki\u1ec7n l\u00e0 c\u00f3 th\u1ec3 theo d\u00f5i s\u1ef1 xu\u1ed1ng c\u1ea5p c\u1ee7a d\u00e2y c\u00e1p trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 thay th\u1ebf k\u1ecbp th\u1eddi.<\/li>\n\n\n\n<li><strong>C\u1ea7n c\u1ea9u luy\u1ec7n kim<\/strong>H\u1ec7 s\u1ed1 an to\u00e0n t\u1ed1i thi\u1ec3u kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n <strong>7.1<\/strong>.<\/li>\n\n\n\n<li><strong>C\u1ea7n c\u1ea9u container c\u1ea3ng<\/strong>H\u1ec7 s\u1ed1 an to\u00e0n t\u1ed1i thi\u1ec3u cho d\u00e2y c\u00e1p n\u00e2ng ch\u00ednh v\u00e0 d\u00e2y c\u00e1p k\u00e9o xe \u0111\u1ea9y kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n <strong>6<\/strong>.<\/li>\n\n\n\n<li>D\u00e2y c\u00e1p th\u00e9p d\u00f9ng cho c\u1ea7n c\u1ea9u d\u1ea1ng \u1ed1ng l\u1ed3ng ph\u1ea3i c\u00f3 h\u1ec7 s\u1ed1 an to\u00e0n kh\u00f4ng nh\u1ecf h\u01a1n 4.<\/li>\n\n\n\n<li><strong>D\u00e2y c\u00e1p th\u00e9p ti\u00eau chu\u1ea9n<\/strong> \u2014 Thu\u1eadt ng\u1eef chung d\u00f9ng \u0111\u1ec3 ch\u1ec9 \u201cd\u00e2y th\u1eebng m\u1ed9t l\u1edbp\u201d v\u00e0 \u201cd\u00e2y th\u1eebng kh\u00e9p song song\u201d, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cd\u00e2y th\u1eebng kh\u00f4ng ch\u1ed1ng xoay\u201d.<\/li>\n\n\n\n<li><strong>D\u00e2y c\u00e1p th\u00e9p ch\u1ed1ng xoay<\/strong> \u2014 D\u00e2y th\u1eebng nhi\u1ec1u s\u1ee3i t\u1ea1o ra m\u00f4-men xo\u1eafn ho\u1eb7c chuy\u1ec3n \u0111\u1ed9ng quay gi\u1ea3m khi ch\u1ecbu t\u1ea3i. D\u00e2y th\u1eebng ch\u1ed1ng quay th\u01b0\u1eddng bao g\u1ed3m \u00edt nh\u1ea5t hai l\u1edbp s\u1ee3i \u0111\u01b0\u1ee3c xo\u1eafn \u1ed1c quanh l\u00f5i s\u1ee3i th\u00e9p ho\u1eb7c l\u00f5i s\u1ee3i b\u00f4ng, v\u1edbi c\u00e1c s\u1ee3i ngo\u00e0i \u0111\u01b0\u1ee3c xo\u1eafn theo h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i so v\u1edbi c\u00e1c s\u1ee3i trong li\u1ec1n k\u1ec1.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1337\" height=\"400\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/3Figure-2-Rotation-resistant-overhead-crane-wire-rope-selection-example.png\" alt=\"\" class=\"wp-image-11943\"\/><figcaption class=\"wp-element-caption\"><em>H\u00ecnh 2. V\u00ed d\u1ee5 v\u1ec1 d\u00e2y c\u00e1p th\u00e9p ch\u1ed1ng xoay (Ngu\u1ed3n: GB\/T 8706-2017)<\/em><\/figcaption><\/figure>\n\n\n\n<ol>\n<li><strong>D\u00e2y th\u1eebng m\u1ed9t l\u1edbp<\/strong> \u2014 M\u1ed9t lo\u1ea1i d\u00e2y th\u1eebng nhi\u1ec1u s\u1ee3i g\u1ed3m m\u1ed9t l\u1edbp s\u1ee3i \u0111\u01b0\u1ee3c xo\u1eafn \u1ed1c quanh m\u1ed9t l\u00f5i.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1337\" height=\"388\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/4Figure-3-Single-layer-multi-strand-rope-example.png\" alt=\"\" class=\"wp-image-11910\"\/><figcaption class=\"wp-element-caption\"><em>H\u00ecnh 3. V\u00ed d\u1ee5 v\u1ec1 d\u00e2y th\u1eebng nhi\u1ec1u s\u1ee3i m\u1ed9t l\u1edbp (Ngu\u1ed3n: GB\/T 8706-2017)<\/em><\/figcaption><\/figure>\n\n\n\n<ol>\n<li><strong>D\u00e2y song song kh\u00e9p k\u00edn<\/strong> \u2014 D\u00e2y th\u1eebng nhi\u1ec1u s\u1ee3i g\u1ed3m hai ho\u1eb7c nhi\u1ec1u l\u1edbp s\u1ee3i \u0111\u01b0\u1ee3c b\u1ec7n trong m\u1ed9t thao t\u00e1c duy nh\u1ea5t xung quanh l\u00f5i s\u1ee3i ho\u1eb7c l\u00f5i x\u01a1.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1337\" height=\"350\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/5Figure-4-Parallel-closed-rope-example.png\" alt=\"\" class=\"wp-image-11911\"\/><figcaption class=\"wp-element-caption\"><em>H\u00ecnh 4. V\u00ed d\u1ee5 v\u1ec1 d\u00e2y th\u1eebng kh\u00e9p k\u00edn song song (Ngu\u1ed3n: GB\/T 8706-2017)<\/em><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1766\" height=\"891\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/6Table-2-Minimum-safety-factors-for-mobile-overhead-cranes.png\" alt=\"\" class=\"wp-image-11912\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/6Table-2-Minimum-safety-factors-for-mobile-overhead-cranes.png 1766w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/6Table-2-Minimum-safety-factors-for-mobile-overhead-cranes-1536x775.png 1536w\" sizes=\"(max-width: 1766px) 100vw, 1766px\" \/><figcaption class=\"wp-element-caption\"><em>B\u1ea3ng 2 H\u1ec7 s\u1ed1 an to\u00e0n t\u1ed1i thi\u1ec3u cho c\u1ea7n c\u1ea9u di \u0111\u1ed9ng (Ngu\u1ed3n: GB\/T 34529-2017)<\/em><\/figcaption><\/figure>\n\n\n\n<p>C\u1ea7n c\u1ea9u di \u0111\u1ed9ng bao g\u1ed3m c\u1ea7n c\u1ea9u g\u1eafn tr\u00ean xe t\u1ea3i, c\u1ea7n c\u1ea9u b\u00e1nh l\u1ed1p, c\u1ea7n c\u1ea9u b\u00e1nh x\u00edch, c\u1ea7n c\u1ea9u \u0111\u1ecba h\u00ecnh v\u00e0 c\u1ea7n c\u1ea9u g\u1eafn tr\u00ean xe t\u1ea3i (GB\/T 20776-2023).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1393\" height=\"1129\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/7able-3-Minimum-safety-factors-for-static-ropes-and-erection-ropes.png\" alt=\"\" class=\"wp-image-11913\"\/><figcaption class=\"wp-element-caption\"><em>B\u1ea3ng 3 H\u1ec7 s\u1ed1 an to\u00e0n t\u1ed1i thi\u1ec3u cho d\u00e2y c\u00e1p t\u0129nh v\u00e0 d\u00e2y c\u00e1p d\u00f9ng \u0111\u1ec3 l\u1eafp \u0111\u1eb7t (Ngu\u1ed3n: GB\/T 34529-2017)<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-overhead-crane-wire-rope-selection\">3. L\u1ef1a ch\u1ecdn d\u00e2y c\u00e1p cho c\u1ea7n c\u1ea9u tr\u00ean cao<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-1-minimum-breaking-force\">3.1 L\u1ef1c ph\u00e1 v\u1ee1 t\u1ed1i thi\u1ec3u<\/h3>\n\n\n\n<p>Fmin \u2265 S \u00d7 Zp<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Bi\u1ec3u t\u01b0\u1ee3ng<\/th><th>Ngh\u0129a<\/th><\/tr><\/thead><tbody><tr><td>N\u1eef t\u1ed1i thi\u1ec3u<\/td><td>l\u1ef1c ph\u00e1 v\u1ee1 t\u1ed1i thi\u1ec3u<\/td><\/tr><tr><td>S<\/td><td>L\u1ef1c c\u0103ng d\u00e2y t\u1ed1i \u0111a<\/td><\/tr><tr><td>Zp<\/td><td>H\u1ec7 s\u1ed1 an to\u00e0n t\u1ed1i thi\u1ec3u (xem B\u1ea3ng 1, 2, 3)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng \u0111\u1eb7c bi\u1ec7t cho c\u1ea7n c\u1ea9u g\u1ea7u ngo\u1ea1m:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>T\u00ecnh tr\u1ea1ng<\/th><th>D\u00e2y \u0111\u00f3ng S_cl<\/th><th>Gi\u1eef d\u00e2y S_hold<\/th><\/tr><\/thead><tbody><tr><td>T\u1ea3i t\u1ef1 c\u00e2n b\u1eb1ng<\/td><td>Kh\u1ed1i l\u01b0\u1ee3ng t\u1ea3i \u00d7 66% \u00f7 \u0111\u1ed9 r\u01a1i c\u1ee7a d\u00e2y \u0111\u00f3ng<\/td><td>Kh\u1ed1i l\u01b0\u1ee3ng t\u1ea3i \u00d7 66% \u00f7 \u0111\u1ed9 r\u01a1i c\u1ee7a d\u00e2y gi\u1eef<\/td><\/tr><tr><td>T\u1ea3i kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng c\u00e2n b\u1eb1ng<\/td><td>Kh\u1ed1i l\u01b0\u1ee3ng t\u1ea3i \u00f7 d\u00e2y \u0111\u00f3ng r\u01a1i<\/td><td>Kh\u1ed1i l\u01b0\u1ee3ng t\u1ea3i \u00d7 66% \u00f7 \u0111\u1ed9 r\u01a1i c\u1ee7a d\u00e2y gi\u1eef<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-2-maximum-fleet-angle\">3.2 G\u00f3c nghi\u00eang t\u1ed1i \u0111a c\u1ee7a \u0111\u1ed9i t\u00e0u<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>T\u00ecnh tr\u1ea1ng<\/th><th>Gi\u1edbi h\u1ea1n g\u00f3c c\u1ee7a h\u1ea1m \u0111\u1ed9i<\/th><th>Th\u1ea9m quy\u1ec1n gi\u1ea3i quy\u1ebft<\/th><\/tr><\/thead><tbody><tr><td>D\u00e2y th\u1eebng ch\u1ed1ng xoay<\/td><td>\u2264 <strong>2\u00b0<\/strong><\/td><td>GB\/T 34529-2017, \u0110i\u1ec1u kho\u1ea3n B.4<\/td><\/tr><tr><td>D\u00e2y c\u00e1p th\u00e9p ti\u00eau chu\u1ea9n<\/td><td>\u2264 <strong>4\u00b0<\/strong><\/td><td>GB\/T 34529-2017, \u0110i\u1ec1u kho\u1ea3n B.4<\/td><\/tr><tr><td>D\u00e2y th\u1eebng \u0111i v\u00e0o\/ra kh\u1ecfi r\u00e3nh r\u00f2ng r\u1ecdc<\/td><td>< <strong>5\u00b0<\/strong><\/td><td>GB\/T 27546-2011, \u0110i\u1ec1u kho\u1ea3n 5.7.2; GB\/T 3811-2008, \u0110i\u1ec1u kho\u1ea3n 6.3.3.3.1<\/td><\/tr><tr><td>D\u00e2y th\u1eebng \u0111i v\u00e0o\/ra kh\u1ecfi tr\u1ed1ng c\u00f3 r\u00e3nh<\/td><td>\u2264 <strong>3,5\u00b0<\/strong><\/td><td>JB\/T 9006-2013, \u0110i\u1ec1u kho\u1ea3n 4.7.2; GB\/T 3811-2008, \u0110i\u1ec1u kho\u1ea3n 6.3.3.3.2<\/td><\/tr><tr><td>Tr\u1ed1ng tr\u01a1n, nhi\u1ec1u l\u1edbp, kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb cu\u1ed9n ch\u1ec9.<\/td><td>\u2264 <strong>1,7\u00b0<\/strong><\/td><td>JB\/T 9006-2013, \u0110i\u1ec1u kho\u1ea3n 4.7.3; GB\/T 3811-2008, \u0110i\u1ec1u kho\u1ea3n 6.3.3.3.3<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u0110\u1ed1i v\u1edbi vi\u1ec7c qu\u1ea5n d\u00e2y c\u00e1p nhi\u1ec1u l\u1edbp tr\u00ean tang tr\u1ed1ng, n\u00ean s\u1eed d\u1ee5ng d\u00e2y c\u00e1p th\u00e9p c\u00f3 l\u00f5i th\u00e9p.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1512\" height=\"1040\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/8Figure-5-Fleet-angle-and-helix-angle.png\" alt=\"\" class=\"wp-image-11914\"\/><figcaption class=\"wp-element-caption\"><em>H\u00ecnh 5 G\u00f3c h\u1ea1m \u0111\u1ed9i v\u00e0 g\u00f3c xo\u1eafn \u1ed1c<\/em><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Bi\u1ec3u t\u01b0\u1ee3ng<\/th><th>Ngh\u0129a<\/th><th>Gi\u1edbi h\u1ea1n<\/th><\/tr><\/thead><tbody><tr><td>\u03b1<\/td><td>G\u00f3c xo\u1eafn \u1ed1c tr\u1ed1ng<\/td><td>\u2014<\/td><\/tr><tr><td>\u03b2<em>tr\u00e1i + \u03b1, \u03b2<\/em>ph\u1ea3i \u2212 \u03b1<\/td><td>G\u00f3c nghi\u00eang c\u1ee7a th\u00e2n t\u00e0u so v\u1edbi \u0111\u01b0\u1eddng t\u00e2m r\u00e3nh tr\u1ed1ng<\/td><td>\u2264 3,5\u00b0 (th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi g\u00f3c t\u1ed1i \u0111a 3,5\u00b0)<\/td><\/tr><tr><td>\u03b2<em>tr\u00e1i, \u03b2<\/em>Ph\u1ea3i<\/td><td>g\u00f3c h\u1ea1m \u0111\u1ed9i v\u00e0o\/ra r\u00f2ng r\u1ecdc<\/td><td>&lt; 5\u00b0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>C\u00e1c bi\u1ec7n ph\u00e1p gi\u1ea3m g\u00f3c nghi\u00eang c\u1ee7a \u0111\u1ed9i xe:<\/strong><\/p>\n\n\n\n<ul>\n<li>T\u0103ng \u0111\u01b0\u1eddng k\u00ednh tang tr\u1ed1ng \u0111\u1ec3 gi\u1ea3m ph\u1ea1m vi cu\u1ed9n d\u00e2y.<\/li>\n\n\n\n<li>T\u0103ng kho\u1ea3ng c\u00e1ch gi\u1eefa r\u00f2ng r\u1ecdc v\u00e0 tang tr\u1ed1ng<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-3-maximum-service-temperature-for-wire-rope\">3.3 Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a c\u1ee7a d\u00e2y c\u00e1p th\u00e9p<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Lo\u1ea1i l\u00f5i<\/th><th>Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a<\/th><th>Ghi ch\u00fa<\/th><\/tr><\/thead><tbody><tr><td>L\u00f5i s\u1ee3i (FC)<\/td><td><strong>100\u00b0C<\/strong><\/td><td>\u2014<\/td><\/tr><tr><td>D\u00e2y l\u00f5i th\u00e9p (IWRC) \/ d\u00e2y \u0111\u01a1n s\u1ee3i \/ d\u00e2y c\u00e1p cu\u1ed9n kh\u00f3a<\/td><td><strong>200\u00b0C<\/strong><\/td><td>T\u1eeb 100\u00b0C \u0111\u1ebfn 200\u00b0C, c\u00f3 th\u1ec3 gi\u1ea3 \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 hao h\u1ee5t \u0111\u1ed9 b\u1ec1n l\u00e0 10%; c\u1ea7n ch\u1ea5t b\u00f4i tr\u01a1n \u0111\u1eb7c bi\u1ec7t \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 100\u00b0C.<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xung quanh <strong>-40\u00b0C<\/strong><\/td><td>S\u1ee9c m\u1ea1nh kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng<\/td><td>Kh\u00f4ng c\u1ea7n gi\u1ea3m t\u1ea3i tr\u1ecdng l\u00e0m vi\u1ec7c, nh\u01b0ng hi\u1ec7u su\u1ea5t c\u1ee7a d\u00e2y c\u00f3 th\u1ec3 ph\u1ee5 thu\u1ed9c v\u00e0o hi\u1ec7u qu\u1ea3 c\u1ee7a ch\u1ea5t b\u00f4i tr\u01a1n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">N\u1ebfu m\u00f4i tr\u01b0\u1eddng v\u1eadn h\u00e0nh kh\u00f4ng cho ph\u00e9p b\u00f4i tr\u01a1n d\u00e2y c\u00e1p th\u00e9p, n\u00ean tham kh\u1ea3o \u00fd ki\u1ebfn gi\u1eefa nh\u00e0 cung c\u1ea5p v\u00e0 ng\u01b0\u1eddi mua, bao g\u1ed3m c\u1ea3 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 t\u1ea7n su\u1ea5t ki\u1ec3m tra.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-overhead-crane-drum-and-sheave-selection\">4. L\u1ef1a ch\u1ecdn tang tr\u1ed1ng v\u00e0 r\u00f2ng r\u1ecdc cho c\u1ea7n c\u1ea9u tr\u00ean cao<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-1-drum-type-and-winding-direction\">4.1 Lo\u1ea1i tr\u1ed1ng v\u00e0 h\u01b0\u1edbng cu\u1ed9n d\u00e2y<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>So s\u00e1nh<\/th><th>Tr\u1ed1ng tr\u01a1n<\/th><th>Tr\u1ed1ng c\u00f3 r\u00e3nh<\/th><\/tr><\/thead><tbody><tr><td>S\u1ef1 gi\u1edbi thi\u1ec7u<\/td><td>Ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c<\/td><td><strong>\u01afu ti\u00ean<\/strong> (cu\u1ed9n d\u00e2y m\u1ed9t l\u1edbp)<\/td><\/tr><tr><td>Cu\u1ed9n d\u00e2y nhi\u1ec1u l\u1edbp<\/td><td>Chi\u1ec1u cao m\u1eb7t b\u00edch ph\u00eda tr\u00ean s\u1ee3i d\u00e2y ngo\u00e0i c\u00f9ng \u2265 0,5d<\/td><td>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u00ean tr\u00e1i<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>C\u00e1c quy t\u1eafc v\u1ec1 h\u01b0\u1edbng gi\u00f3:<\/strong><\/p>\n\n\n\n<ul>\n<li>Tr\u1ed1ng tr\u01a1n \u2192 H\u01b0\u1edbng qu\u1ea5n ph\u1ee5 thu\u1ed9c v\u00e0o h\u01b0\u1edbng xo\u1eafn c\u1ee7a d\u00e2y; x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m c\u1ed1 \u0111\u1ecbnh d\u00e2y theo B\u1ea3ng 4.<\/li>\n\n\n\n<li>Tr\u1ed1ng c\u00f3 r\u00e3nh \u2192 C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u01b0\u1edbng \u0111\u1eb7t d\u00e2y n\u00e0o c\u0169ng \u0111\u01b0\u1ee3c, nh\u01b0ng <strong>N\u00ean s\u1eed d\u1ee5ng ki\u1ec3u b\u1ed1 tr\u00ed t\u01b0\u01a1ng t\u1ef1 nh\u01b0 tr\u1ed1ng tr\u01a1n.<\/strong>R\u00e3nh xo\u1eafn \u1ed1c b\u00ean tr\u00e1i kh\u1edbp v\u1edbi d\u00e2y xo\u1eafn \u1ed1c b\u00ean ph\u1ea3i, r\u00e3nh xo\u1eafn \u1ed1c b\u00ean ph\u1ea3i kh\u1edbp v\u1edbi d\u00e2y xo\u1eafn \u1ed1c b\u00ean tr\u00e1i.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1383\" height=\"1137\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/9Table-4-Correct-method-for-determining-the-rope-fixing-point-on-a-drum.png\" alt=\"\" class=\"wp-image-11915\"\/><figcaption class=\"wp-element-caption\"><em>B\u1ea3ng 4 Ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh x\u00e1c \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m c\u1ed1 \u0111\u1ecbnh d\u00e2y tr\u00ean tang cu\u1ed1n (Ngu\u1ed3n: GB\/T 34529-2017)<\/em><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-2-groove-radius-and-sheave-material\">4.2 B\u00e1n k\u00ednh r\u00e3nh v\u00e0 v\u1eadt li\u1ec7u puly<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Tham s\u1ed1<\/th><th>Gi\u00e1 tr\u1ecb \u0111\u1ec1 xu\u1ea5t<\/th><\/tr><\/thead><tbody><tr><td>B\u00e1n k\u00ednh r\u00e3nh<\/td><td>0,525d\u20130,550d, <strong>t\u1ed1i \u01b0u 0,5375d<\/strong><\/td><\/tr><tr><td>R\u00f2ng r\u1ecdc bao g\u1ed3m g\u00f3c<\/td><td>45\u00b0\u201360\u00b0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u r\u00f2ng r\u1ecdc:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Lo\u1ea1i cu\u1ed9n d\u00e2y<\/th><th>T\u00e0i li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/th><th>L\u00fd do<\/th><\/tr><\/thead><tbody><tr><td>Nhi\u1ec1u l\u1edbp<\/td><td>C\u00e1c b\u00f3 s\u1ee3i polymer ho\u1eb7c c\u00e1c r\u00e3nh l\u00f3t polymer \u0111\u1ec1u \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn.<\/td><td>T\u00ecnh tr\u1ea1ng h\u01b0 h\u1ecfng d\u00e2y c\u00e1p nghi\u00eam tr\u1ecdng nh\u1ea5t x\u1ea3y ra \u1edf c\u00e1c \u0111i\u1ec3m giao nhau tr\u00ean tang cu\u1ed1n.<\/td><\/tr><tr><td>M\u1ed9t l\u1edbp<\/td><td>b\u00f3 polyme <strong>Kh\u00f4ng khuy\u1ebfn ngh\u1ecb<\/strong><\/td><td>H\u01b0 h\u1ecfng ch\u1ee7 y\u1ebfu l\u00e0 do m\u1ecfi v\u1eadt li\u1ec7u; hi\u1ec7n t\u01b0\u1ee3ng m\u1ecfi b\u00ean trong d\u00e2y c\u00e1p kh\u00f3 ph\u00e1t hi\u1ec7n h\u01a1n v\u1edbi c\u00e1c r\u00f2ng r\u1ecdc polymer.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u0110\u1ec3 \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5 th\u01b0\u1eddng xuy\u00ean: h\u00e3y s\u1eed d\u1ee5ng <strong>r\u00f2ng r\u1ecdc th\u00e9p<\/strong> \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng m\u00e0i m\u00f2n b\u00ean ngo\u00e0i \u2014 s\u1ef1 m\u00e0i m\u00f2n n\u00e0y t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c ki\u1ec3m tra d\u00e2y th\u1eebng. N\u1ebfu s\u1eed d\u1ee5ng r\u00f2ng r\u1ecdc polymer, n\u00ean bao g\u1ed3m \u00edt nh\u1ea5t <strong>m\u1ed9t r\u00f2ng r\u1ecdc th\u00e9p<\/strong> trong c\u00e1ch b\u1ed1 tr\u00ed lu\u1ed3n d\u00e2y, th\u01b0\u1eddng l\u00e0 d\u00e2y g\u1ea7n tr\u1ed1ng nh\u1ea5t.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-3-minimum-drum-and-sheave-diameter\">4.3 \u0110\u01b0\u1eddng k\u00ednh t\u1ed1i thi\u1ec3u c\u1ee7a tang tr\u1ed1ng v\u00e0 r\u00f2ng r\u1ecdc<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1105\" height=\"1423\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/10Table-5-Overhead-Crane-Drum-and-sheave-selection-coefficients-and-minimum-diameter-calculation-.png\" alt=\"\" class=\"wp-image-11916\"\/><figcaption class=\"wp-element-caption\"><em>B\u1ea3ng 5 H\u1ec7 s\u1ed1 l\u1ef1a ch\u1ecdn tr\u1ed1ng v\u00e0 r\u00f2ng r\u1ecdc v\u00e0 t\u00ednh to\u00e1n \u0111\u01b0\u1eddng k\u00ednh t\u1ed1i thi\u1ec3u (Ngu\u1ed3n: GB\/T 34529-2017)<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-special-operating-conditions\">5. \u0110i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh \u0111\u1eb7c bi\u1ec7t<\/h2>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi vi\u1ec7c x\u1eed l\u00fd kim lo\u1ea1i n\u00f3ng ch\u1ea3y, m\u00f4i tr\u01b0\u1eddng c\u1ef1c k\u1ef3 kh\u1eafc nghi\u1ec7t v\u00e0\/ho\u1eb7c \u0103n m\u00f2n, v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u1eb7c bi\u1ec7t t\u01b0\u01a1ng t\u1ef1:<\/p>\n\n\n\n<ol>\n<li>C\u00f4ng su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y m\u00f3c kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ea5p h\u01a1n M5.<\/li>\n\n\n\n<li>Gi\u00e1 tr\u1ecb Zp s\u1ebd \u0111\u01b0\u1ee3c t\u0103ng th\u00eam 25%, t\u1ed1i \u0111a l\u00ean \u0111\u1ebfn 9,0.<\/li>\n<\/ol>\n\n\n\n<p>T\u00e0i li\u1ec7u g\u1ed1c c\u0169ng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c kh\u1edbp xoay v\u00e0 kh\u1edbp n\u1ed1i xoay, nguy\u00ean nh\u00e2n g\u00e2y h\u01b0 h\u1ecfng d\u00e2y c\u00e1p th\u00e9p, \u0111\u1ed9 gi\u00e3n d\u00e0i v\u00e0 l\u1ef1a ch\u1ecdn d\u00e2y c\u00e1p, v\u00e0 l\u1ef1a ch\u1ecdn \u0111\u1ea7u n\u1ed1i d\u00e2y c\u00e1p. Vui l\u00f2ng tham kh\u1ea3o ti\u00eau chu\u1ea9n g\u1ed1c \u0111\u1ec3 nghi\u00ean c\u1ee9u th\u00eam.<\/p>\n\n\n\n<p><strong>Ti\u00eau chu\u1ea9n tham chi\u1ebfu<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><\/p>\n\n\n\n<ul>\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 20118-2017 D\u00e2y c\u00e1p th\u00e9p d\u00f9ng cho m\u1ee5c \u0111\u00edch chung (NEQ ISO 2408:2017)<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n GB\/T 20863.1-2021 C\u1ea7n c\u1ea9u \u2014 Ph\u00e2n lo\u1ea1i \u2014 Ph\u1ea7n 1: T\u1ed5ng qu\u00e1t (IDT ISO 4301-1:2016)<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n GB\/T 6974.1-2008 C\u1ea7n c\u1ea9u \u2014 Thu\u1eadt ng\u1eef \u2014 Ph\u1ea7n 1: T\u1ed5ng qu\u00e1t (IDT ISO 4306-1:2007)<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n GB\/T 5972-2023 C\u1ea7n c\u1ea9u \u2014 D\u00e2y c\u00e1p th\u00e9p \u2014 B\u1ea3o d\u01b0\u1ee1ng, ki\u1ec3m tra v\u00e0 lo\u1ea1i b\u1ecf (IDT ISO 4309:2017)<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n GB\/T 8706-2017 D\u00e2y c\u00e1p th\u00e9p \u2014 Thu\u1eadt ng\u1eef, k\u00fd hi\u1ec7u v\u00e0 ph\u00e2n lo\u1ea1i (MOD ISO 17893:2004)<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"Wire rope, drums, and sheaves are the core components of any overhead crane or hoist lifting mechanism. When specifying these components, what minimum safety factor should you use? How do you calculat","protected":false},"featured_media":11527,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[189],"posts_tag":[826,801,825,822,823,121,829,828,818,827,824],"acf":[],"_links":{"self":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts\/11917"}],"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":3,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts\/11917\/revisions"}],"predecessor-version":[{"id":11944,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts\/11917\/revisions\/11944"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/media\/11527"}],"wp:attachment":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/media?parent=11917"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/posts_category?post=11917"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/posts_tag?post=11917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}