\u0110\u1eb7c tr\u01b0ng:<\/strong> H\u00ecnh \u1ea3nh gi\u1ea3i ph\u00e1p:<\/strong><\/p>\n Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a h\u1ed9p s\u1ed1 tr\u1ee5c v\u00edt:<\/strong><\/p>\n \n C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong> H\u1ecfi: C\u00f4ng ty c\u00f3 cung c\u1ea5p m\u1eabu th\u1eed kh\u00f4ng?<\/strong> H\u1ecfi: S\u1ed1 l\u01b0\u1ee3ng \u0111\u1eb7t h\u00e0ng t\u1ed1i thi\u1ec3u (MOQ) c\u1ee7a b\u1ea1n l\u00e0 bao nhi\u00eau?<\/strong> H\u1ecfi: Th\u1eddi gian giao h\u00e0ng th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n l\u00e0 bao l\u00e2u?<\/strong> H\u1ecfi: C\u00f4ng ty c\u00f3 cung c\u1ea5p h\u1ed7 tr\u1ee3 c\u00f4ng ngh\u1ec7 kh\u00f4ng?<\/strong> H\u1ecfi: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 g\u1eedi h\u00e0ng cho ch\u00fang t\u00f4i?<\/strong> H\u1ecfi: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 chi tr\u1ea3 s\u1ed1 ti\u1ec1n \u0111\u00f3?<\/strong> H\u1ecfi: L\u00e0m sao t\u00f4i bi\u1ebft \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m \u0111\u00f3 c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi m\u00ecnh kh\u00f4ng?<\/strong> H\u1ecfi: T\u00f4i c\u00f3 th\u1ec3 \u0111\u1ebfn tr\u1ef1c ti\u1ebfp c\u01a1 s\u1edf kinh doanh c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111i \u0111\u01b0\u1ee3c kh\u00f4ng?<\/strong> H\u1ecfi: Ch\u00fang t\u00f4i c\u00f3 th\u1ec3 li\u00ean h\u1ec7 v\u1edbi b\u1ea1n b\u1eb1ng c\u00e1ch n\u00e0o?<\/strong> \u00a0 <\/p>\n \n \n Tr\u1ee5c v\u00edt c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m. N\u00f3 d\u1ec5 ch\u1ebf t\u1ea1o h\u01a1n v\u00ec kh\u00f4ng c\u1ea7n n\u1eafn th\u1eb3ng th\u1ee7 c\u00f4ng. Trong s\u1ed1 nh\u1eefng \u01b0u \u0111i\u1ec3m \u0111\u00f3 l\u00e0 gi\u1ea3m thi\u1ec3u vi\u1ec7c b\u1ea3o d\u01b0\u1ee1ng, gi\u1ea3m gi\u00e1 th\u00e0nh v\u00e0 gi\u1ea3m th\u1eddi gian l\u1eafp \u0111\u1eb7t. Ngo\u00e0i ra, lo\u1ea1i tr\u1ee5c n\u00e0y \u00edt b\u1ecb h\u01b0 h\u1ecfng h\u01a1n \u0111\u00e1ng k\u1ec3 do vi\u1ec7c n\u1eafn th\u1eb3ng th\u1ee7 c\u00f4ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nhau quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a tr\u1ee5c v\u00edt. N\u00f3 c\u0169ng th\u1ea3o lu\u1eadn v\u1ec1 \u0111\u1ed9 l\u00f5m ch\u00e2n r\u0103ng, \u0111\u01b0\u1eddng k\u00ednh g\u1ed1c v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i. C\u00f3 nhi\u1ec1u l\u1ef1a ch\u1ecdn khi ch\u1ecdn b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt. S\u1ef1 l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 c\u00e1c kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t. C\u00e1c th\u00f4ng s\u1ed1 c\u1ea5u h\u00ecnh c\u01a1 b\u1ea3n c\u1ee7a b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch trong t\u00e0i li\u1ec7u chuy\u00ean ng\u00e0nh v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ph\u00e9p t\u00ednh h\u00ecnh h\u1ecdc. Bi\u1ebfn th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ecdn sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n v\u00e0o ph\u00e9p t\u00ednh ch\u00ednh. Tuy nhi\u00ean, b\u1ea1n ch\u1ec9 c\u1ea7n xem x\u00e9t c\u00e1c th\u00f4ng s\u1ed1 v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 t\u1ef7 s\u1ed1 truy\u1ec1n \u0111\u1ec3 ph\u00e9p t\u00ednh \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 h\u01b0\u1edbng d\u1eabn \u0111\u1ec3 ch\u1ecdn b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt ph\u00f9 h\u1ee3p. \u0110\u1ed9 s\u00e2u ch\u00e2n r\u0103ng (dedendum) c\u1ee7a tr\u1ee5c v\u00edt \u0111\u1ec1 c\u1eadp \u0111\u1ebfn k\u00edch th\u01b0\u1edbc xuy\u00ean t\u00e2m c\u1ee7a r\u0103ng. \u0110\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc r\u0103ng v\u00e0 \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 r\u0103ng x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 s\u00e2u ch\u00e2n r\u0103ng. Trong h\u1ec7 \u0111o l\u01b0\u1eddng Anh, \u0111\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc r\u0103ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u01b0\u1edbc r\u0103ng theo \u0111\u01b0\u1eddng k\u00ednh. C\u00e1c th\u00f4ng s\u1ed1 kh\u00e1c bao g\u1ed3m chi\u1ec1u r\u1ed9ng ti\u1ebfp x\u00fac v\u00e0 b\u00e1n k\u00ednh bo tr\u00f2n. Chi\u1ec1u r\u1ed9ng ti\u1ebfp x\u00fac m\u00f4 t\u1ea3 chi\u1ec1u r\u1ed9ng c\u1ee7a b\u00e1nh r\u0103ng m\u00e0 kh\u00f4ng t\u00ednh ph\u1ea7n nh\u00f4 ra c\u1ee7a tr\u1ee5c. B\u00e1n k\u00ednh bo tr\u00f2n th\u1ec3 hi\u1ec7n b\u00e1n k\u00ednh tr\u00ean \u0111\u1ec9nh c\u1ee7a dao c\u1eaft v\u00e0 t\u1ea1o th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng cong h\u00ecnh xo\u1eafn \u1ed1c. Ph\u01b0\u01a1ng ph\u00e1p ti\u1ec7n xo\u00e1y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t hi\u1ec7n \u0111\u1ea1i \u0111ang d\u1ea7n thay th\u1ebf c\u00e1c quy tr\u00ecnh phay ren v\u00e0 gia c\u00f4ng b\u00e1nh r\u0103ng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00e3 gi\u00fap gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t v\u00e0 th\u1eddi gian ch\u1edd \u0111\u1ee3i trong khi ch\u1ebf t\u1ea1o c\u00e1c chi ti\u1ebft m\u00e1y m\u00f3c ch\u00ednh x\u00e1c. Ngo\u00e0i ra, n\u00f3 c\u00f2n gi\u1ea3m nhu c\u1ea7u m\u00e0i ren v\u00e0 \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t. N\u00f3 c\u0169ng gi\u1ea3m thi\u1ec3u vi\u1ec7c c\u00e1n ren. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 th\u00f4ng tin chi ti\u1ebft h\u01a1n v\u1ec1 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a quy tr\u00ecnh ti\u1ec7n xo\u00e1y CZPT. Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ee7a tr\u1ee5c v\u00edt l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 quan tr\u1ecdng khi x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ed9p s\u1ed1. Tr\u1ee5c v\u00edt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u1edbi c\u00e1c t\u1ef7 s\u1ed1 truy\u1ec1n kh\u00e1c nhau, v\u00e0 ki\u1ec3u d\u00e1ng c\u1ee7a tr\u1ee5c v\u00edt c\u1ea7n ph\u1ea3i ph\u1ea3n \u00e1nh \u0111i\u1ec1u n\u00e0y. \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ee7a tr\u1ee5c v\u00edt, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra h\u00ecnh d\u1ea1ng h\u00ecnh h\u1ecdc c\u1ee7a n\u00f3. Tr\u1ee5c v\u00edt th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o v\u1edbi s\u1ed1 r\u0103ng t\u1eeb 1 \u0111\u1ebfn 4 v\u00e0 l\u00ean \u0111\u1ebfn 12. Vi\u1ec7c l\u1ef1a ch\u1ecdn s\u1ed1 r\u0103ng ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c th\u00f4ng s\u1ed1 t\u1ed1i \u01b0u h\u00f3a, v\u00ed d\u1ee5 nh\u01b0 hi\u1ec7u su\u1ea5t, tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kho\u1ea3ng c\u00e1ch t\u00e2m. \u0110\u1eb7c t\u00ednh NVH (\u00e2m thanh-rung \u0111\u1ed9ng) c\u1ee7a tr\u1ee5c v\u00edt \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p th\u00e0nh ph\u1ea7n h\u1eefu h\u1ea1n. C\u00e1c th\u00f4ng s\u1ed1 m\u00f4 ph\u1ecfng \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p th\u00e0nh ph\u1ea7n h\u1eefu h\u1ea1n v\u00e0 c\u00e1c tr\u1ee5c v\u00edt th\u1ef1c nghi\u1ec7m \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi k\u1ebft qu\u1ea3 m\u00f4 ph\u1ecfng. K\u1ebft qu\u1ea3 cho th\u1ea5y c\u00f3 s\u1ef1 sai l\u1ec7ch l\u1edbn gi\u1eefa c\u00e1c gi\u00e1 tr\u1ecb m\u00f4 ph\u1ecfng v\u00e0 th\u1ef1c nghi\u1ec7m. Ngo\u00e0i ra, \u0111\u1ed9 c\u1ee9ng u\u1ed1n c\u1ee7a tr\u1ee5c v\u00edt ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o h\u00ecnh d\u1ea1ng c\u1ee7a r\u0103ng b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt. Do \u0111\u00f3, b\u1ed1 tr\u00ed r\u0103ng b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng NVH (\u00e2m thanh-rung \u0111\u1ed9ng) c\u1ee7a tr\u1ee5c v\u00edt. Solution Description Small Worm Gears, Nmrv 040 Gearbox, Micro Worm Equipment Motor, Worm Drive Gearbox with Motor Features:1. Light in weight and non-rusting2. Easy in operating, can function long time in dreadful situations3. High efficiency, minimal soundfour. Very good-hunting in appearance, resilient in services lifestyle and modest in quantity Solution image: Specification for worm gearbox: […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1],"tags":[42,61,256,167,16,47,169,716,69,258,720,667,721,366,19,261,75,78,79,671,84,1403,465,1080,1741,1076,466,1082,1742,262,733,672,673,1083,266,269,676,1743,1744,1045,1046,145,767,1196,1197,771,1462,179,1406,1687,776,31,105,1745,276,34,109,272,277,37],"class_list":["post-553","post","type-post","status-publish","format-standard","hentry","category-wrom-shafts","tag-best-gear","tag-china-gearbox","tag-china-motor","tag-drive-gear","tag-gear","tag-gear-best","tag-gear-drive","tag-gear-drive-motor","tag-gear-gearbox","tag-gear-motor","tag-gear-motor-drive","tag-gear-motor-gearbox","tag-gear-motor-small","tag-gear-with-motor","tag-gear-worm","tag-gear-worm-motor","tag-gearbox","tag-gearbox-china","tag-gearbox-gear","tag-gearbox-motor","tag-gearbox-with","tag-gearbox-worm-drive","tag-micro-gear","tag-micro-gear-motor","tag-micro-gearbox","tag-micro-motor","tag-micro-worm-gear","tag-micro-worm-gear-motor","tag-micro-worm-gearbox","tag-motor","tag-motor-drive","tag-motor-gearbox","tag-motor-gearbox-china","tag-motor-micro","tag-motor-motor","tag-motor-worm","tag-motor-worm-gearbox","tag-nmrv-040-gearbox","tag-nmrv-040-worm-gearbox","tag-nmrv-gearbox","tag-nmrv-worm-gearbox","tag-small-gear","tag-small-gear-motor","tag-small-gearbox","tag-small-gearbox-with-motor","tag-small-worm-gear-motor","tag-small-worm-gearbox","tag-worm-drive","tag-worm-drive-gearbox","tag-worm-drive-gearbox-with-motor","tag-worm-drive-motor","tag-worm-gear","tag-worm-gear-gearbox","tag-worm-gear-gearbox-nmrv-40","tag-worm-gear-motor","tag-worm-gear-worm","tag-worm-gearbox","tag-worm-motor","tag-worm-motor-gear","tag-worm-worm-gear"],"_links":{"self":[{"href":"https:\/\/wormshafts.top\/vi\/wp-json\/wp\/v2\/posts\/553","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wormshafts.top\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wormshafts.top\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wormshafts.top\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wormshafts.top\/vi\/wp-json\/wp\/v2\/comments?post=553"}],"version-history":[{"count":0,"href":"https:\/\/wormshafts.top\/vi\/wp-json\/wp\/v2\/posts\/553\/revisions"}],"wp:attachment":[{"href":"https:\/\/wormshafts.top\/vi\/wp-json\/wp\/v2\/media?parent=553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wormshafts.top\/vi\/wp-json\/wp\/v2\/categories?post=553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wormshafts.top\/vi\/wp-json\/wp\/v2\/tags?post=553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
1. Tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 v\u00e0 kh\u00f4ng b\u1ecb g\u1ec9 s\u00e9t
2. D\u1ec5 s\u1eed d\u1ee5ng, c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng l\u00e2u d\u00e0i trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.
3. Hi\u1ec7u su\u1ea5t cao, \u0111\u1ed9 \u1ed3n t\u1ed1i thi\u1ec3u
4. Ngo\u1ea1i h\u00ecnh r\u1ea5t thu h\u00fat, l\u1ed1i s\u1ed1ng n\u0103ng \u0111\u1ed9ng v\u00e0 s\u1ed1 l\u01b0\u1ee3ng khi\u00eam t\u1ed1n.<\/p>\n
H\u1ecfi: C\u00f3 th\u1ec3 ch\u1ebf t\u1ea1o h\u1ed9p s\u1ed1 theo y\u00eau c\u1ea7u ri\u00eang c\u1ee7a kh\u00e1ch h\u00e0ng kh\u00f4ng?<\/strong>
A: Ch\u1eafc ch\u1eafn r\u1ed3i, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh theo y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1eb7t b\u00edch, tr\u1ee5c, c\u1ea5u h\u00ecnh, v\u1eadt li\u1ec7u, v.v.<\/p>\n
A: \u0110\u00fang v\u1eady. M\u1eabu \u0111\u01b0\u1ee3c cung c\u1ea5p \u0111\u1ec3 s\u00e0ng l\u1ecdc.<\/p>\n
A: Ch\u00fang t\u00f4i s\u1ebd b\u00e1n 10 chi\u1ebfc cho giai \u0111o\u1ea1n kh\u1edfi \u0111\u1ea7u kinh doanh.<\/p>\n
A: S\u1ea3n ph\u1ea9m ti\u00eau chu\u1ea9n c\u1ea7n 5-30 ng\u00e0y, h\u00e0ng \u0111\u1eb7t l\u00e0m ri\u00eang s\u1ebd m\u1ea5t th\u1eddi gian l\u00e2u h\u01a1n m\u1ed9t ch\u00fat.<\/p>\n
A: V\u00e2ng. T\u1ed5 ch\u1ee9c c\u1ee7a ch\u00fang t\u00f4i c\u00f3 nh\u00f3m thi\u1ebft k\u1ebf v\u00e0 c\u1ea3i ti\u1ebfn, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 v\u1ec1 c\u00f4ng ngh\u1ec7 n\u1ebfu b\u1ea1n c\u1ea7n.
nhu c\u1ea7u.<\/p>\n
A: C\u00f3 th\u1ec3 \u0111\u1ebfn \u0111\u00f3 b\u1eb1ng \u0111\u01b0\u1eddng h\u00e0ng kh\u00f4ng, \u0111\u01b0\u1eddng bi\u1ec3n ho\u1eb7c \u0111\u01b0\u1eddng b\u1ed9.<\/p>\n
A: Ch\u00fang t\u00f4i \u01b0u ti\u00ean thanh to\u00e1n b\u1eb1ng T\/T v\u00e0 L\/C, v\u1edbi nhi\u1ec1u lo\u1ea1i ngo\u1ea1i t\u1ec7 kh\u00e1c nhau nh\u01b0 USD, EUR, RMB, v.v.<\/p>\n
A: >1ST<\/sup> x\u00e1c nh\u1eadn b\u1ea3n v\u1ebd v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt >2v\u00e0<\/sup> m\u1eabu th\u1eed >3rd<\/sup> B\u1eaft \u0111\u1ea7u s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t.<\/p>\n
A: V\u00e2ng, b\u1ea1n c\u00f3 th\u1ec3 gh\u00e9 th\u0103m ch\u00fang t\u00f4i b\u1ea5t c\u1ee9 l\u00fac n\u00e0o.<\/p>\n
M\u1ed8T:\u00a0<\/strong>B\u1ea1n c\u00f3 th\u1ec3 g\u1eedi y\u00eau c\u1ea7u tr\u1ef1c ti\u1ebfp, v\u00e0 ch\u00fang t\u00f4i s\u1ebd tr\u1ea3 l\u1eddi trong v\u00f2ng 24 gi\u1edd.<\/p>\nC\u00e1ch x\u00e1c \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng cao c\u1ee7a tr\u1ee5c v\u00edt<\/h2>\n
![\"tr\u1ee5c](\"https:\/\/img.hzpt.com\/img\/worm-shaft\/t-wormshaft-2.webp\")
<\/p>\n\u0110\u01b0\u1eddng k\u00ednh r\u1ec5<\/h2>\n
\u0110\u01b0\u1eddng k\u00ednh ch\u00e2n r\u0103ng c\u1ee7a b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt \u0111\u01b0\u1ee3c t\u00ednh t\u1eeb \u0111i\u1ec3m gi\u1eefa c\u1ee7a b\u01b0\u1edbc r\u0103ng. \u0110\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc r\u0103ng l\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh t\u1eeb g\u00f3c bi\u1ebfn d\u1ea1ng c\u1ee7a n\u00f3 \u1edf m\u1ee9c hi\u1ec7u ch\u1ec9nh b\u00e1nh r\u0103ng b\u1eb1ng kh\u00f4ng. \u0110\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc r\u0103ng c\u1ee7a b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch c\u1ed9ng \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a tr\u1ee5c v\u00edt v\u1edbi kho\u1ea3ng c\u00e1ch t\u00e2m danh ngh\u0129a. Khi x\u00e1c \u0111\u1ecbnh b\u01b0\u1edbc r\u0103ng c\u1ee7a b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng \u0111\u01b0\u1eddng k\u00ednh ch\u00e2n r\u0103ng c\u1ee7a tr\u1ee5c v\u00edt ph\u1ea3i nh\u1ecf h\u01a1n \u0111\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc r\u0103ng.
C\u01a1 c\u1ea5u b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt c\u1ea7n c\u00f3 r\u0103ng \u0111\u1ec3 ph\u00e2n b\u1ed5 \u0111\u1ec1u l\u1ef1c m\u00e0i m\u00f2n. \u0110\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y, m\u1eb7t r\u0103ng c\u1ee7a tr\u1ee5c v\u00edt ph\u1ea3i l\u1ed3i \u1edf ph\u1ea7n gi\u1eefa v\u00e0 ph\u1ea7n t\u00e2m. H\u00ecnh d\u1ea1ng c\u1ee7a r\u0103ng, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 bi\u00ean d\u1ea1ng l\u1ed3i, gi\u1ed1ng nh\u01b0 m\u1ed9t b\u00e1nh r\u0103ng xo\u1eafn \u1ed1c. Th\u00f4ng th\u01b0\u1eddng, \u0111\u01b0\u1eddng k\u00ednh ch\u00e2n r\u0103ng c\u1ee7a b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt l\u1edbn h\u01a1n m\u1ed9t ph\u1ea7n t\u01b0 inch. Tuy nhi\u00ean, s\u1ef1 kh\u00e1c bi\u1ec7t 50 \u00bc inch v\u1eabn \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn.
M\u1ed9t c\u00e1ch kh\u00e1c \u0111\u1ec3 t\u00ednh to\u00e1n hi\u1ec7u su\u1ea5t truy\u1ec1n \u0111\u1ed9ng c\u1ee7a tr\u1ee5c v\u00edt l\u00e0 b\u1eb1ng c\u00e1ch ki\u1ec3m tra b\u00e1nh r\u0103ng ch\u1ecbu m\u00e0i m\u00f2n c\u1ee7a tr\u1ee5c v\u00edt. B\u00e1nh r\u0103ng ch\u1ecbu m\u00e0i m\u00f2n m\u1ec1m h\u01a1n tr\u1ee5c v\u00edt, v\u00ec v\u1eady h\u1ea7u h\u1ebft s\u1ef1 hao m\u00f2n s\u1ebd x\u1ea3y ra tr\u00ean b\u00e1nh r\u0103ng. C\u00e1c ph\u00e2n t\u00edch d\u1ea7u c\u1ee7a c\u00e1c m\u00f4 h\u00ecnh truy\u1ec1n \u0111\u1ed9ng tr\u1ee5c v\u00edt h\u1ea7u nh\u01b0 lu\u00f4n cho th\u1ea5y t\u1ef7 l\u1ec7 \u0111\u1ed3ng v\u00e0 s\u1eaft l\u1edbn, cho th\u1ea5y r\u1eb1ng c\u01a1 c\u1ea5u truy\u1ec1n \u0111\u1ed9ng c\u1ee7a tr\u1ee5c v\u00edt ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng hi\u1ec7u qu\u1ea3.<\/p>\nDedentum<\/h2>\n
\u0110\u01b0\u1eddng k\u00ednh c\u1ee7a moay\u01a1 \u0111\u01b0\u1ee3c \u0111o t\u1ea1i \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i c\u1ee7a n\u00f3, v\u00e0 ph\u1ea7n nh\u00f4 ra l\u00e0 kho\u1ea3ng c\u00e1ch m\u00e0 moay\u01a1 nh\u00f4 ra ph\u00eda tr\u00ean m\u1eb7t b\u00e1nh r\u0103ng. C\u00f3 hai lo\u1ea1i men r\u0103ng ph\u1ee5, m\u1ed9t lo\u1ea1i c\u00f3 r\u0103ng ph\u1ee5 nhanh v\u00e0 lo\u1ea1i kia c\u00f3 r\u0103ng ph\u1ee5 k\u00e9o d\u00e0i. B\u1ea3n th\u00e2n c\u00e1c b\u00e1nh r\u0103ng c\u00f3 r\u00e3nh then (m\u1ed9t r\u00e3nh \u0111\u01b0\u1ee3c gia c\u00f4ng v\u00e0o tr\u1ee5c v\u00e0 l\u1ed7). M\u1ed9t chi ti\u1ebft \u0111\u01b0\u1ee3c l\u1eafp v\u00e0o r\u00e3nh then, kh\u1edbp v\u1edbi tr\u1ee5c.
B\u00e1nh r\u0103ng tr\u1ee5c v\u00edt truy\u1ec1n chuy\u1ec3n \u0111\u1ed9ng t\u1eeb hai tr\u1ee5c kh\u00f4ng song song v\u00e0 c\u00f3 ki\u1ec3u r\u0103ng th\u1eb3ng h\u00e0ng. \u0110\u01b0\u1eddng tr\u00f2n b\u01b0\u1edbc r\u0103ng c\u00f3 hai ho\u1eb7c nhi\u1ec1u cung tr\u00f2n, v\u00e0 tr\u1ee5c v\u00edt c\u00f9ng b\u00e1nh r\u0103ng \u0111\u01b0\u1ee3c \u0111\u1ee1 b\u1edfi c\u00e1c \u1ed5 bi l\u0103n ch\u1ed1ng ma s\u00e1t. B\u00e1nh r\u0103ng tr\u1ee5c v\u00edt c\u00f3 ma s\u00e1t l\u1edbn v\u00e0 hao m\u00f2n tr\u00ean c\u00e1c r\u0103ng v\u00e0 b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac. N\u1ebfu b\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt, h\u00e3y xem c\u00e1c \u0111\u1ecbnh ngh\u0129a b\u00ean d\u01b0\u1edbi.![\"tr\u1ee5c](\"https:\/\/img.hzpt.com\/img\/worm-shaft\/c-wormshaft-2.webp\")
<\/p>\nPh\u01b0\u01a1ng ph\u00e1p quay c\u1ee7a CZPT<\/h2>\n
Ph\u01b0\u01a1ng ph\u00e1p ti\u1ec7n xo\u00e1y tr\u00ean tr\u1ee5c v\u00edt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra nhi\u1ec1u lo\u1ea1i v\u00edt v\u00e0 tr\u1ee5c v\u00edt kh\u00e1c nhau. Ch\u00fang c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c tr\u1ee5c v\u00edt c\u00f3 \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i l\u00ean \u0111\u1ebfn 2,5 inch. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c quy tr\u00ecnh ti\u1ec7n xo\u00e1y kh\u00e1c, tr\u1ee5c v\u00edt l\u00e0 b\u1ed9 ph\u1eadn d\u1ec5 b\u1ecb m\u00e0i m\u00f2n, v\u00e0 quy tr\u00ecnh n\u00e0y kh\u00f4ng c\u1ea7n gia c\u00f4ng. M\u1ed9t \u1ed1ng xo\u00e1y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 cung c\u1ea5p kh\u00ed n\u00e9n l\u1ea1nh \u0111\u1ebfn \u0111i\u1ec3m gi\u1ea3m t\u1ed1c. N\u1ebfu c\u1ea7n, d\u1ea7u c\u0169ng \u0111\u01b0\u1ee3c th\u00eam v\u00e0o h\u1ed7n h\u1ee3p.
M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c \u0111\u1ec3 l\u00e0m c\u1ee9ng tr\u1ee5c v\u00edt l\u00e0 t\u00f4i c\u1ee9ng b\u1eb1ng c\u1ea3m \u1ee9ng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng \u0111i\u1ec7n tr\u01b0\u1eddng t\u1ea7n s\u1ed1 cao \u0111\u1ec3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xo\u00e1y trong c\u00e1c v\u1eadt th\u1ec3 kim lo\u1ea1i. T\u1ea7n s\u1ed1 c\u00e0ng cao, nhi\u1ec7t l\u01b0\u1ee3ng sinh ra c\u00e0ng l\u1edbn. V\u1edbi ph\u01b0\u01a1ng ph\u00e1p t\u00f4i c\u1ee9ng b\u1eb1ng c\u1ea3m \u1ee9ng, b\u1ea1n c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh ph\u01b0\u01a1ng ph\u00e1p gia nhi\u1ec7t \u0111\u1ec3 ch\u1ec9 l\u00e0m c\u1ee9ng c\u00e1c khu v\u1ef1c ri\u00eang bi\u1ec7t c\u1ee7a tr\u1ee5c v\u00edt. Chi\u1ec1u d\u00e0i c\u1ee7a tr\u1ee5c v\u00edt th\u01b0\u1eddng \u0111\u01b0\u1ee3c r\u00fat ng\u1eafn l\u1ea1i.
B\u1ed9 truy\u1ec1n \u0111\u1ed9ng b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch h\u01a1n so v\u1edbi c\u00e1c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng th\u00f4ng th\u01b0\u1eddng. N\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch, ch\u00fang r\u1ea5t \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 cao. B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c m\u1eb9o l\u1eafp \u0111\u1eb7t v\u00e0 h\u01b0\u1edbng d\u1eabn b\u00f4i tr\u01a1n ph\u00f9 h\u1ee3p, b\u1ed9 truy\u1ec1n \u0111\u1ed9ng b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt c\u00f3 th\u1ec3 t\u1ea1o ra hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady t\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u1ea5t k\u1ef3 lo\u1ea1i b\u1ed9 truy\u1ec1n \u0111\u1ed9ng b\u00e1nh r\u0103ng n\u00e0o kh\u00e1c. B\u00e0i b\u00e1o c\u1ee7a Ray Thibault, m\u1ed9t k\u1ef9 s\u01b0 c\u01a1 kh\u00ed t\u1ea1i \u0110\u1ea1i h\u1ecdc Virginia, l\u00e0 m\u1ed9t h\u01b0\u1edbng d\u1eabn xu\u1ea5t s\u1eafc v\u1ec1 b\u00f4i tr\u01a1n cho b\u1ed9 truy\u1ec1n \u0111\u1ed9ng b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt.<\/p>\nH\u00e3y m\u1eb7c trang ph\u1ee5c ph\u00f9 h\u1ee3p v\u1edbi s\u1ee9c ch\u1ee9a.<\/h2>\n
L\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean r\u0103ng c\u1ee7a b\u1ed9 truy\u1ec1n \u0111\u1ed9ng tr\u1ee5c v\u00edt t\u0103ng l\u00ean khi m\u1eadt \u0111\u1ed9 \u0111i\u1ec7n n\u0103ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, khi\u1ebfn tr\u1ee5c v\u00edt b\u1ecb bi\u1ebfn d\u1ea1ng nhi\u1ec1u h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i, gi\u1ea3m hi\u1ec7u su\u1ea5t v\u00e0 t\u0103ng \u0111\u1ed9 rung, ti\u1ebfng \u1ed3n v\u00e0 \u0111\u1ed9 x\u00f3c (NVH). Nh\u1eefng ti\u1ebfn b\u1ed9 trong ch\u1ea5t b\u00f4i tr\u01a1n v\u00e0 v\u1eadt li\u1ec7u \u0111\u1ed3ng, k\u1ebft h\u1ee3p v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t t\u1ed1t h\u01a1n nhi\u1ec1u, \u0111\u00e3 cho ph\u00e9p t\u0103ng \u0111\u1ec1u \u0111\u1eb7n m\u1eadt \u0111\u1ed9 \u0111i\u1ec7n n\u0103ng. Ba bi\u1ebfn s\u1ed1 n\u00e0y k\u1ebft h\u1ee3p l\u1ea1i s\u1ebd quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i m\u00e0i m\u00f2n c\u1ee7a b\u1ed9 truy\u1ec1n \u0111\u1ed9ng tr\u1ee5c v\u00edt. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i xem x\u00e9t c\u1ea3 ba kh\u00eda c\u1ea1nh tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn bi\u00ean d\u1ea1ng r\u0103ng ph\u00f9 h\u1ee3p.
S\u1ed1 l\u01b0\u1ee3ng r\u0103ng t\u1ed1i thi\u1ec3u trong m\u1ed9t thi\u1ebft b\u1ecb ph\u1ee5 thu\u1ed9c v\u00e0o g\u00f3c bi\u1ebfn d\u1ea1ng \u1edf m\u1ee9c hi\u1ec7u ch\u1ec9nh b\u00e1nh r\u0103ng b\u1eb1ng kh\u00f4ng. \u0110\u01b0\u1eddng k\u00ednh tr\u1ee5c v\u00edt d1 l\u00e0 t\u00f9y \u00fd v\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t gi\u00e1 tr\u1ecb m\u00f4-\u0111un \u0111\u00e3 bi\u1ebft, mx ho\u1eb7c mn. Tr\u1ee5c v\u00edt v\u00e0 b\u00e1nh r\u0103ng v\u1edbi t\u1ef7 s\u1ed1 truy\u1ec1n kh\u00e1c nhau c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ho\u00e1n \u0111\u1ed5i cho nhau. M\u1ed9t \u0111\u01b0\u1eddng xo\u1eafn \u1ed1c h\u00ecnh tr\u1ee5 \u0111\u1ea3m b\u1ea3o s\u1ef1 ti\u1ebfp x\u00fac v\u00e0 h\u00ecnh d\u1ea1ng ph\u00f9 h\u1ee3p, \u0111\u1ed3ng th\u1eddi mang l\u1ea1i \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 tu\u1ed5i th\u1ecd cao h\u01a1n. Tr\u1ee5c v\u00edt xo\u1eafn \u1ed1c h\u00ecnh tr\u1ee5 c\u0169ng l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn quan tr\u1ecdng c\u1ee7a thi\u1ebft b\u1ecb.
B\u00e1nh r\u0103ng tr\u1ee5c v\u00edt l\u00e0 m\u1ed9t lo\u1ea1i b\u00e1nh r\u0103ng c\u00f3 l\u1ecbch s\u1eed l\u00e2u \u0111\u1eddi. M\u1ed9t tr\u1ee5c v\u00edt h\u00ecnh tr\u1ee5 \u0103n kh\u1edbp v\u1edbi m\u1ed9t b\u00e1nh r\u0103ng c\u00f3 r\u0103ng \u0111\u1ec3 gi\u1ea3m t\u1ed1c \u0111\u1ed9 quay. B\u00e1nh r\u0103ng tr\u1ee5c v\u00edt c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m \u0111\u1ed9ng c\u01a1 ch\u00ednh. N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t h\u1ed9p s\u1ed1, \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn r\u1ea5t t\u1ed1t. N\u1ebfu b\u1ea1n \u0111ang c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt, h\u00e3y ch\u1eafc ch\u1eafn ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i v\u00e0 y\u00eau c\u1ea7u b\u00f4i tr\u01a1n c\u1ee7a n\u00f3.![\"tr\u1ee5c](\"https:\/\/img.hzpt.com\/img\/worm-shaft\/b-wormshaft-2.webp\")
<\/p>\nH\u00e0nh vi NVH<\/h2>\n
\u0110\u1ec3 t\u00ednh to\u00e1n c\u00e1c t\u00e1c \u0111\u1ed9ng NVH c\u1ee7a tr\u1ee5c v\u00edt, c\u00e1c tr\u1ee5c ch\u00ednh c\u1ee7a momen qu\u00e1n t\u00ednh l\u00e0 \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a v\u00edt v\u00e0 s\u1ed1 ren. \u0110i\u1ec1u n\u00e0y s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn g\u00f3c gi\u1eefa m\u1eb7t b\u00edch c\u1ee7a v\u00edt v\u00e0 kho\u1ea3ng c\u00e1ch hi\u1ec7u d\u1ee5ng c\u1ee7a m\u1ed7i r\u0103ng. Chi\u1ec1u d\u00e0i gi\u1eefa c\u00e1c tr\u1ee5c ch\u00ednh c\u1ee7a tr\u1ee5c v\u00edt v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a v\u00edt \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u01b0\u1eddng k\u00ednh u\u1ed1n cong ph\u00e2n t\u00edch. \u0110\u01b0\u1eddng k\u00ednh c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a v\u00edt \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u01b0\u1eddng k\u00ednh hi\u1ec7u d\u1ee5ng c\u1ee7a n\u00f3.
M\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t t\u0103ng l\u00ean c\u1ee7a thi\u1ebft b\u1ecb b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt d\u1eabn \u0111\u1ebfn l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean r\u0103ng b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt t\u01b0\u01a1ng \u1ee9ng c\u0169ng t\u0103ng l\u00ean. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn s\u1ef1 gia t\u0103ng \u0111\u1ed9 l\u1ec7ch c\u1ee7a b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt, \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ee7a n\u00f3. Ngo\u00e0i ra, m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng ng\u00e0y c\u00e0ng t\u0103ng \u0111\u00f2i h\u1ecfi ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t ph\u1ea3i \u0111\u01b0\u1ee3c n\u00e2ng cao. S\u1ef1 ti\u1ebfn b\u1ed9 kh\u00f4ng ng\u1eebng trong v\u1eadt li\u1ec7u \u0111\u1ed3ng v\u00e0 ch\u1ea5t b\u00f4i tr\u01a1n c\u0169ng \u0111\u00e3 g\u00f3p ph\u1ea7n v\u00e0o s\u1ef1 gia t\u0103ng li\u00ean t\u1ee5c m\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t.
C\u1ea5u tr\u00fac r\u0103ng c\u1ee7a b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 l\u1ec7ch c\u1ee7a tr\u1ee5c v\u00edt. \u0110\u1ed9 c\u1ee9ng u\u1ed1n c\u1ee7a c\u1ea5u tr\u00fac r\u0103ng b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt c\u0169ng \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u0111\u1ed9 c\u1ee9ng u\u1ed1n ph\u1ee5 thu\u1ed9c v\u00e0o r\u0103ng. \u0110\u1ed9 l\u1ec7ch sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh gi\u00e1 tr\u1ecb \u0111\u1ed9 c\u1ee9ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u0111\u1ed9 c\u1ee9ng c\u1ee7a c\u00e1c ph\u1ea7n c\u1ee5 th\u1ec3 c\u1ee7a tr\u1ee5c v\u00edt. Nh\u01b0 th\u1ec3 hi\u1ec7n trong h\u00ecnh 5, m\u1ed9t \u0111o\u1ea1n ngang c\u1ee7a tr\u1ee5c v\u00edt hai ren \u0111\u01b0\u1ee3c minh h\u1ecda trong ph\u00e9p t\u00ednh.<\/p>\n![\"H\u1ed9p](\"https:\/\/img.hzpt.com\/img\/worm-shaft\/wormshaft-l1.webp\")
![\"H\u1ed9p](\"https:\/\/img.hzpt.com\/img\/worm-shaft\/wormshaft-l2.webp\")
<\/p>","protected":false},"excerpt":{"rendered":"