{"id":5810,"date":"2026-04-08T22:26:39","date_gmt":"2026-04-08T22:26:39","guid":{"rendered":"https:\/\/www.sungda.com\/vi\/post\/what-is-the-safety-factor-of-the-conveyor-belt-vi"},"modified":"2026-04-08T22:26:39","modified_gmt":"2026-04-08T22:26:39","slug":"what-is-the-safety-factor-of-the-conveyor-belt-vi","status":"publish","type":"post","link":"https:\/\/www.sungda.com\/vi\/index.php\/what-is-the-safety-factor-of-the-conveyor-belt-vi\/","title":{"rendered":"H\u1ec7 S\u1ed1 An To\u00e0n C\u1ee7a B\u0103ng T\u1ea3i L\u00e0 G\u00ec V\u00e0 C\u00e1ch Ch\u1ecdn Nh\u01b0 Th\u1ebf N\u00e0o?"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

Khi l\u1ef1a ch\u1ecdn ho\u1eb7c mua b\u0103ng t\u1ea3i, ch\u00fang ta s\u1ebd g\u1eb7p m\u1ed9t ch\u1ec9 s\u1ed1 k\u1ef9 thu\u1eadt g\u1ecdi l\u00e0 “h\u1ec7 s\u1ed1 an to\u00e0n” (SF). V\u1eady h\u1ec7 s\u1ed1 an to\u00e0n l\u00e0 g\u00ec v\u00e0 ch\u00fang ta n\u00ean ch\u1ecdn h\u1ec7 s\u1ed1 an to\u00e0n nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n\n\n

\u201cH\u1ec7 s\u1ed1 an to\u00e0n\u201d l\u1ea7n \u0111\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp trong ti\u00eau chu\u1ea9n DIN 22101 n\u0103m 1982, \u0111\u00e2y l\u00e0 c\u00e1c con s\u1ed1 do nh\u00e0 s\u1ea3n xu\u1ea5t b\u0103ng t\u1ea3i cung c\u1ea5p cho c\u00e1c ki\u1ec3u b\u0103ng c\u1ee5 th\u1ec3 c\u1ee7a h\u1ecd. H\u1ec7 s\u1ed1 an to\u00e0n l\u00e0 t\u1ef7 l\u1ec7 gi\u1eefa \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111\u1ee9t c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 \u1ee9ng su\u1ea5t t\u00e1c d\u1ee5ng ho\u1eb7c t\u1ea3i tr\u1ecdng t\u1ed1i \u0111a cho ph\u00e9p. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cL\u1ef1c c\u0103ng\u201d. Ch\u1ec9 s\u1ed1 n\u00e0y li\u00ean quan \u0111\u1ebfn l\u1edbp v\u1ea3i c\u1ee7a b\u0103ng t\u1ea3i v\u00e0 do \u0111\u00f3 l\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ed5ng th\u1ec3 c\u1ee7a b\u0103ng. D\u00f9 b\u0103ng \u0111\u01b0\u1ee3c ph\u1ee7 b\u1eb1ng EPDM, Nitrile hay SBR th\u00ec h\u1ec7 s\u1ed1 an to\u00e0n c\u0169ng kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c l\u1edbp ph\u1ee7 n\u00e0y. N\u00f3i c\u00e1ch kh\u00e1c, h\u1ec7 s\u1ed1 an to\u00e0n l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u0103ng t\u1ea3i kh\u00f4ng b\u1ecb \u0111\u1ee9t trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh.<\/p>\n\n\n

H\u1ec7 s\u1ed1 an to\u00e0n li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn th\u1ecb tr\u01b0\u1eddng c\u1ee7a ch\u00fang ta: x\u00e9t v\u1ec1 g\u00f3c \u0111\u1ed9 an to\u00e0n, \u0111\u1ed9 tin c\u1eady v\u00e0 tu\u1ed5i th\u1ecd l\u00e2u d\u00e0i, n\u00f3 n\u00ean l\u1edbn h\u01a1n; c\u00f2n x\u00e9t v\u1ec1 g\u00f3c \u0111\u1ed9 kinh t\u1ebf, n\u00f3 n\u00ean nh\u1ecf h\u01a1n.<\/p>\n\n\n

H\u1ec7 s\u1ed1 an to\u00e0n c\u1ee7a b\u0103ng t\u1ea3i tr\u01b0\u1edbc \u0111\u00e2y kh\u00e1 b\u1ea3o th\u1ee7. \u0110\u1ed1i v\u1edbi b\u0103ng v\u1ea3i, h\u1ec7 s\u1ed1 an to\u00e0n th\u01b0\u1eddng danh \u0111\u1ecbnh l\u00e0 10:1, c\u00f2n \u0111\u1ed1i v\u1edbi b\u0103ng c\u00e1p th\u00e9p l\u00e0 6.7:1. V\u00ed d\u1ee5, m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t mu\u1ed1n ch\u1ebf t\u1ea1o b\u0103ng t\u1ea3i 2 l\u1edbp v\u1edbi l\u1ef1c 220 pound m\u1ed7i inch. H\u1ecd mu\u1ed1n \u0111\u1eb7t ti\u00eau chu\u1ea9n h\u1ec7 s\u1ed1 an to\u00e0n cho s\u1ea3n ph\u1ea9m l\u00e0 10:1. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u0103ng th\u00e0nh ph\u1ea9m c\u1ee7a h\u1ecd s\u1ebd \u0111\u1ee9t tr\u00ean m\u00e1y th\u1eed ‘snatch and grab’ \u1edf l\u1ef1c t\u1ed1i thi\u1ec3u 2200 pound m\u1ed7i inch, k\u1ebft qu\u1ea3 d\u1eabn \u0111\u1ebfn vi\u1ec7c t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ea7u t\u01b0 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n

\"\"<\/figure>\n\n\n\n

Tuy nhi\u00ean, ng\u00e0y c\u00e0ng nhi\u1ec1u nghi\u00ean c\u1ee9u ch\u1ec9 ra r\u1eb1ng \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a b\u0103ng t\u1ea3i kh\u00f4ng li\u00ean quan \u0111\u1ebfn h\u1ec7 s\u1ed1 an to\u00e0n th\u1ef1c t\u1ebf trong thi\u1ebft k\u1ebf b\u0103ng t\u1ea3i, m\u00e0 li\u00ean quan \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ee7a b\u0103ng t\u1ea3i v\u00e0 t\u1ea3i tr\u1ecdng \u0111\u1ec9nh t\u1ee9c th\u1eddi trong tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh c\u1ee7a b\u0103ng t\u1ea3i c\u0169ng nh\u01b0 \u0111\u1ed9 b\u1ec1n m\u1ecfi c\u1ee7a m\u1ed1i n\u1ed1i. Ngh\u0129a l\u00e0, n\u00f3 l\u00e0 h\u1ec7 s\u1ed1 nh\u00e2n \u00e1p d\u1ee5ng cho l\u1ef1c t\u1ed1i \u0111a t\u00ednh to\u00e1n m\u00e0 m\u1ed1i n\u1ed1i b\u0103ng t\u1ea3i (v\u1ed1n l\u00e0 \u0111i\u1ec3m y\u1ebfu nh\u1ea5t trong b\u0103ng t\u1ea3i) s\u1ebd ph\u1ea3i ch\u1ecbu. H\u1ec7 s\u1ed1 an to\u00e0n t\u00ednh \u0111\u1ebfn c\u00e1c khuy\u1ebft t\u1eadt trong v\u1eadt li\u1ec7u, l\u1ed7i l\u1eafp r\u00e1p, s\u1ef1 suy gi\u1ea3m v\u1eadt li\u1ec7u v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00f4ng ch\u1eafc ch\u1eafn kh\u00e1c.<\/p>\n\n\n

H\u1ec7 s\u1ed1 an to\u00e0n \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn chung:<\/span><\/strong><\/p>\n\n\n

\"\"<\/figure>\n\n\n\n

H\u1ec7 s\u1ed1 an to\u00e0n th\u00f4ng th\u01b0\u1eddng th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 6,7 \u0111\u1ebfn 10 cho \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh, li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n m\u1ed1i n\u1ed1i.<\/p>\n\n\n

V\u00ed d\u1ee5, m\u1ed9t b\u0103ng t\u1ea3i c\u00e1p th\u00e9p t\u1eeb “SUNGDA” c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o 7500N\/mm. Sau khi th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n m\u1ecfi m\u1ed1i n\u1ed1i c\u1ee7a b\u0103ng t\u1ea3i, hi\u1ec7u su\u1ea5t m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng m\u00e1y m\u1ecfi \u0111\u1ea1t 38%, do \u0111\u00f3, \u0111\u1ed9 b\u1ec1n m\u1ecfi m\u1ed1i n\u1ed1i l\u00e0 2850N\/mm (t\u1ef7 l\u1ec7 ch\u1ecbu t\u1ea3i = 0.38 * 7500N\/mm). M\u1ed9t b\u0103ng t\u1ea3i c\u00e1p th\u00e9p kh\u00e1c t\u1eeb “SUNGDA”, \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a n\u00f3 l\u00e0 6600N\/mm, nh\u01b0ng c\u00f4ng ngh\u1ec7 v\u00e0 \u0111\u1ed9 b\u1ec1n m\u1ed1i n\u1ed1i c\u1ee7a b\u0103ng t\u1ea3i \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. Sau khi th\u1eed nghi\u1ec7m, m\u1ee9c \u0111\u1ed9 ch\u1ecbu \u0111\u1ef1ng m\u1ed1i n\u1ed1i c\u1ee7a n\u00f3 l\u00e0 50%, v\u00e0 m\u1ee9c ch\u1ecbu t\u1ea3i th\u1ef1c t\u1ebf l\u00e0 3300N\/mm, cao h\u01a1n 16% so v\u1edbi \u0111\u1ed9 b\u1ec1n m\u1ecfi m\u1ed1i n\u1ed1i c\u1ee7a b\u0103ng t\u1ea3i \u0111\u1ea7u ti\u00ean. M\u1eb7c d\u00f9 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a n\u00f3 th\u1ea5p h\u01a1n 14% so v\u1edbi b\u0103ng tr\u01b0\u1edbc, h\u1ec7 s\u1ed1 an to\u00e0n thi\u1ebft k\u1ebf c\u1ee7a b\u0103ng t\u1ea3i \u0111\u1ea7u ti\u00ean l\u00e0 6.5.<\/p>\n\n\n

Nh\u1edd \u0111\u1ed9 b\u1ec1n m\u1ed1i n\u1ed1i m\u1ea1nh, h\u1ec7 s\u1ed1 an to\u00e0n c\u1ee7a b\u0103ng t\u1ea3i th\u1ee9 hai c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng 4.7, v\u00e0 l\u1ef1c ch\u1ecbu t\u1ea3i t\u01b0\u01a1ng \u1ee9ng t\u0103ng 39%. V\u1eadt li\u1ec7u ch\u1ebf t\u1ea1o b\u0103ng t\u1ea3i v\u00e0 m\u1ed1i n\u1ed1i c\u00f9ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch hi\u1ec7n \u0111\u1ea1i cho th\u1ea5y vi\u1ec7c s\u1eed d\u1ee5ng h\u1ec7 s\u1ed1 an to\u00e0n th\u1ea5p h\u01a1n 5.0 trong ph\u1ea1m vi \u0111\u1ed9 b\u1ec1n k\u00e9o t\u1eeb ST-1000N\/mm \u0111\u1ebfn ST-6000N\/mm l\u00e0 an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n

\"\"<\/figure>\n\n\n\n

B\u0103ng t\u1ea3i, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u0103ng t\u1ea3i c\u01b0\u1eddng \u0111\u1ed9 cao, chi\u1ebfm t\u1edbi 30-50% t\u1ed5ng \u0111\u1ea7u t\u01b0 cho h\u1ec7 th\u1ed1ng b\u0103ng t\u1ea3i. \u0110\u1ec3 l\u1ef1a ch\u1ecdn b\u0103ng t\u1ea3i h\u1ee3p l\u00fd v\u00e0 gi\u1ea3m chi ph\u00ed \u0111\u1ea7u t\u01b0, m\u1ed9t gi\u1ea3i ph\u00e1p quan tr\u1ecdng l\u00e0 c\u1ea3i thi\u1ec7n c\u00f4ng ngh\u1ec7 n\u1ed1i b\u0103ng t\u1ea3i nh\u1eb1m gi\u1ea3m h\u1ec7 s\u1ed1 an to\u00e0n. V\u00ed d\u1ee5, m\u1ed9t b\u0103ng t\u1ea3i d\u00e0i 20km t\u1ea1i \u00dac \u0111\u00e3 gi\u1ea3m h\u1ec7 s\u1ed1 an to\u00e0n c\u1ee7a b\u0103ng t\u1ea3i c\u00e1p th\u00e9p t\u1eeb m\u1ee9c th\u00f4ng th\u01b0\u1eddng 6.7 xu\u1ed1ng 5.0, gi\u00fap gi\u1ea3m 14% tr\u1ecdng l\u01b0\u1ee3ng b\u0103ng t\u1ea3i, t\u0103ng 7% tu\u1ed5i th\u1ecd con l\u0103n \u0111\u1ee1 v\u00e0 t\u0103ng 40% tu\u1ed5i th\u1ecd con l\u0103n h\u1ed3i. Vi\u1ec7c gi\u1ea3m l\u1ef1c c\u0103ng b\u0103ng t\u1ea3i c\u0169ng l\u00e0m gi\u1ea3m \u0111\u1ea7u t\u01b0 k\u1ebft c\u1ea5u t\u01b0\u01a1ng \u1ee9ng, ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng gi\u1ea3m 4%, v\u00e0 c\u00f3 th\u1ec3 gi\u1ea3m kho\u1ea3ng 10% chi ph\u00ed \u0111\u1ea7u t\u01b0 v\u00e0 v\u1eadn h\u00e0nh trong v\u00f2ng 20 n\u0103m s\u1eed d\u1ee5ng.<\/p>\n\n\n

Ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p \u0110\u1ee9c DIN22101-1982 \u0111\u1ecbnh ngh\u0129a h\u1ec7 s\u1ed1 an to\u00e0n c\u1ee7a b\u0103ng t\u1ea3i c\u00e1p th\u00e9p l\u00e0 t\u1ef7 l\u1ec7 gi\u1eefa \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a b\u0103ng t\u1ea3i c\u00e1p th\u00e9p v\u00e0 l\u1ef1c c\u0103ng b\u0103ng t\u1ea3i khi v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh, v\u1edbi m\u1ee9c t\u1ed1i thi\u1ec3u l\u00e0 6.7. N\u0103m 2002, \u0110\u1ee9c \u0111\u00e3 s\u1eeda \u0111\u1ed5i ti\u00eau chu\u1ea9n n\u0103m 1982, v\u00e0 phi\u00ean b\u1ea3n m\u1edbi \u00e1p d\u1ee5ng kh\u00e1i ni\u1ec7m v\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u00ednh to\u00e1n m\u1edbi. K\u1ebft lu\u1eadn cho th\u1ea5y h\u1ec7 s\u1ed1 an to\u00e0n c\u1ee7a b\u0103ng t\u1ea3i c\u00e1p th\u00e9p c\u00f3 th\u1ec3 th\u1ea5p h\u01a1n 6.7, th\u1eadm ch\u00ed c\u00f3 th\u1ec3 xu\u1ed1ng t\u1edbi 4.5.<\/p>\n\n\n

Trong m\u01b0\u1eddi n\u0103m qua, m\u1ed9t s\u1ed1 qu\u1ed1c gia \u0111\u00e3 v\u01b0\u1ee3t qua quy \u0111\u1ecbnh n\u0103m 1982. C\u00e1c h\u1ec7 th\u1ed1ng b\u0103ng t\u1ea3i \u0111ang v\u1eadn h\u00e0nh t\u1ea1i \u0110\u1ee9c, Anh, New England, \u00dac v\u00e0 c\u00e1c n\u01b0\u1edbc kh\u00e1c \u0111\u00e3 \u00e1p d\u1ee5ng h\u1ec7 s\u1ed1 an to\u00e0n t\u1eeb 4.5 \u0111\u1ebfn 5.5. Theo k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u1ee7a c\u00e1c t\u1ed5 ch\u1ee9c n\u01b0\u1edbc ngo\u00e0i nh\u01b0 C\u00f4ng ty CDI c\u1ee7a M\u1ef9, h\u1ec7 s\u1ed1 an to\u00e0n c\u1ee7a b\u0103ng t\u1ea3i c\u00e1p th\u00e9p c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 5.5, c\u1ee5 th\u1ec3 trong kho\u1ea3ng t\u1eeb 4.5 \u0111\u1ebfn 5.0.<\/p>\n\n\n

C\u00d4NG TY B\u0102NG T\u1ea2I SUNGDA<\/span><\/strong><\/p>\n\n\n

Trang web ch\u00ednh th\u1ee9c c\u1ee7a SUNGDA: https:\/\/www.sungdagroup.com<\/a><\/strong><\/p>\n\n\n

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Trang web ch\u00ednh th\u1ee9c:<\/span> www.sungdagroup.com<\/span><\/a><\/p>\n\n\n

Email li\u00ean h\u1ec7: <\/span>info@sungdagroup.com<\/span><\/a><\/p><\/p>","protected":false},"excerpt":{"rendered":"

B\u00e0i vi\u1ebft n\u00e0y gi\u1edbi thi\u1ec7u kh\u00e1i ni\u1ec7m h\u1ec7 s\u1ed1 an to\u00e0n b\u0103ng t\u1ea3i v\u00e0 c\u00e1ch l\u1ef1a ch\u1ecdn h\u1ec7 s\u1ed1 an to\u00e0n ph\u00f9 h\u1ee3p, t\u1eeb \u0111\u00f3 gi\u00fap kh\u00e1ch h\u00e0ng ti\u1ebft ki\u1ec7m nh\u1eefng chi ph\u00ed kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n","protected":false},"author":1,"featured_media":811,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[637],"tags":[663,1821,1452],"class_list":["post-5810","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-techinical-news-vi","tag-rubber-conveyor-belt-vi","tag-conveyor-belt-safety-factor-vi","tag-conveyor-belt-selection-vi"],"_links":{"self":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/posts\/5810","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/comments?post=5810"}],"version-history":[{"count":0,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/posts\/5810\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/media\/811"}],"wp:attachment":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/media?parent=5810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/categories?post=5810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/tags?post=5810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}