{"id":115839,"date":"2022-01-06T14:44:21","date_gmt":"2022-01-06T06:44:21","guid":{"rendered":"https:\/\/www.alpapowder.com\/115839\/"},"modified":"2022-01-06T14:44:21","modified_gmt":"2022-01-06T06:44:21","slug":"cac-su-co-thuong-gap-va-bien-phap-xu-ly-cua-may-nghien-bi","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/115839\/","title":{"rendered":"C\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u00e0 bi\u1ec7n ph\u00e1p x\u1eed l\u00fd c\u1ee7a m\u00e1y nghi\u1ec1n bi"},"content":{"rendered":"
Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng m\u00e1y nghi\u1ec1n bi ch\u1eafc ch\u1eafn s\u1ebd x\u1ea3y ra nhi\u1ec1u s\u1ef1 c\u1ed1 kh\u00e1c nhau, \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ef1 c\u1ed1 kh\u00e1c nhau c\u0169ng c\u00f3 nh\u1eefng bi\u1ec7n ph\u00e1p x\u1eed l\u00fd kh\u00e1c nhau.<\/p>\n
1. Khi m\u00e1y nghi\u1ec1n bi ch\u1ea1y, c\u00f3 ti\u1ebfng \u0111\u1eadp \u0111\u1ec1u v\u00e0 ti\u1ebfng k\u00eau to. \u0110i\u1ec1u n\u00e0y l\u00e0 do m\u1ed9t ph\u1ea7n c\u1ee7a bu l\u00f4ng l\u00f3t kh\u00f4ng \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t. Khi m\u00e1y nghi\u1ec1n bi quay, t\u1ea5m l\u00f3t \u0111\u1eadp v\u00e0o th\u00f9ng c\u1ee7a m\u00e1y nghi\u1ec1n bi. \u0110\u00e1nh gi\u00e1 v\u1ecb tr\u00ed c\u1ee7a \u1ed1ng l\u00f3t c\u1ee7a m\u00e1y nghi\u1ec1n bi theo \u00e2m thanh, t\u00ecm ra c\u00e1c bu l\u00f4ng b\u1ecb l\u1ecfng v\u00e0 si\u1ebft ch\u1eb7t ch\u00fang ri\u00eang bi\u1ec7t.<\/p>\n
2. Nhi\u1ec7t \u0111\u1ed9 \u1ed5 tr\u1ee5c c\u1ee7a m\u00e1y nghi\u1ec1n bi v\u00e0 \u0111\u1ed9ng c\u01a1 t\u0103ng cao, v\u01b0\u1ee3t qu\u00e1 quy \u0111\u1ecbnh. C\u1ed1 g\u1eafng ki\u1ec3m tra xem nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ed9 ph\u1eadn \u1ed5 tr\u1ee5c ho\u1eb7c t\u1ea5t c\u1ea3 ch\u00fang c\u00f3 qu\u00e1 cao b\u1eb1ng tay hay kh\u00f4ng. Ki\u1ec3m tra v\u00e0 x\u1eed l\u00fd m\u00e1y nghi\u1ec1n bi t\u1eeb nh\u1eefng \u0111i\u1ec3m sau.<\/p>\n
(1) Ki\u1ec3m tra c\u00e1c \u0111i\u1ec3m b\u00f4i tr\u01a1n c\u1ee7a t\u1eebng b\u1ed9 ph\u1eadn c\u1ee7a m\u00e1y nghi\u1ec1n bi v\u00e0 lo\u1ea1i d\u1ea7u b\u00f4i tr\u01a1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb c\u1ee7a nh\u00e0 m\u00e1y hay kh\u00f4ng.<\/p>\n
(2) Ki\u1ec3m tra xem d\u1ea7u v\u00e0 m\u1ee1 b\u00f4i tr\u01a1n c\u1ee7a m\u00e1y nghi\u1ec1n bi c\u00f3 b\u1ecb gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng hay kh\u00f4ng.<\/p>\n
(3) Ki\u1ec3m tra xem \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn d\u1ea7u b\u00f4i tr\u01a1n c\u1ee7a m\u00e1y nghi\u1ec1n bi c\u00f3 b\u1ecb t\u1eafc hay kh\u00f4ng ho\u1eb7c d\u1ea7u b\u00f4i tr\u01a1n kh\u00f4ng tr\u1ef1c ti\u1ebfp v\u00e0o \u0111i\u1ec3m b\u00f4i tr\u01a1n v\u00e0 l\u01b0\u1ee3ng d\u1ea7u kh\u00f4ng \u0111\u1ee7 s\u1ebd g\u00e2y n\u00f3ng.<\/p>\n
(4) Khe h\u1edf b\u00ean c\u1ee7a \u1ed1ng l\u00f3t \u1ed5 tr\u1ee5c c\u1ee7a m\u00e1y nghi\u1ec1n bi qu\u00e1 nh\u1ecf, khe h\u1edf gi\u1eefa \u1ed1ng l\u00f3t \u1ed5 tr\u1ee5c v\u00e0 tr\u1ee5c qu\u00e1 l\u1edbn v\u00e0 c\u00f3 qu\u00e1 nhi\u1ec1u \u0111i\u1ec3m ti\u1ebfp x\u00fac, kh\u00f4ng th\u1ec3 t\u1ea1o th\u00e0nh m\u00e0ng d\u1ea7u \u0111\u1ed3ng nh\u1ea5t tr\u00ean \u1ed5 tr\u1ee5c b\u1ee5i r\u1eadm.<\/p>\n
(5) C\u00f3 qu\u00e1 nhi\u1ec1u ho\u1eb7c qu\u00e1 \u00edt d\u1ea7u m\u1ee1 trong \u1ed5 l\u0103n c\u1ee7a m\u00e1y nghi\u1ec1n bi. Qu\u00e1 nhi\u1ec1u h\u00ecnh th\u00e0nh c\u00e1c ph\u1ea7n t\u1eed l\u0103n v\u00e0 k\u00edch \u0111\u1ed9ng d\u1ea7u m\u1ee1 \u0111\u1ec3 t\u1ea1o ra nhi\u1ec7t, v\u00e0 nhi\u1ec7t kh\u00f4ng d\u1ec5 d\u00e0ng t\u1ea3n ra. N\u1ebfu l\u01b0\u1ee3ng d\u1ea7u b\u00f4i tr\u01a1n qu\u00e1 \u00edt, c\u1ea7n b\u1ed5 sung \u0111\u1ee7 d\u1ea7u theo quy \u0111\u1ecbnh, n\u00f3i chung l\u00e0 1\/3 ~ 1\/2 khe h\u1edf \u1ed5 tr\u1ee5c l\u00e0 th\u00edch h\u1ee3p h\u01a1n.<\/p>\n
(6) C\u01a1 c\u1ea5u l\u00e0m k\u00edn c\u1ee7a tr\u1ee5c r\u1ed7ng \u1edf c\u1ea3 hai \u0111\u1ea7u c\u1ee7a th\u00e2n m\u00e1y nghi\u1ec1n bi qu\u00e1 ch\u1eb7t ho\u1eb7c ph\u1ea7n s\u1eaft c\u1ee7a th\u00e2n l\u00e0m k\u00edn ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi tr\u1ee5c.<\/p>\n
C\u00e1c v\u1ea5n \u0111\u1ec1 n\u00eau tr\u00ean s\u1ebd \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo nguy\u00ean nh\u00e2n. N\u1ebfu khe h\u1edf b\u00ean c\u1ee7a \u1ed1ng l\u00f3t \u1ed5 tr\u1ee5c qu\u00e1 nh\u1ecf, ho\u1eb7c g\u00f3c ti\u1ebfp x\u00fac \u1edf \u0111\u00e1y qu\u00e1 l\u1edbn, xi lanh m\u00e0i ph\u1ea3i \u0111\u01b0\u1ee3c k\u00edch l\u00ean b\u1eb1ng k\u00edch th\u1ee7y l\u1ef1c d\u1ea7u, \u1ed1ng l\u00f3t \u1ed5 tr\u1ee5c ph\u1ea3i \u0111\u01b0\u1ee3c k\u00e9o ra kh\u1ecfi m\u1ed9t ph\u00eda c\u1ee7a tr\u1ee5c, v\u00e0 ph\u1ea7n m\u1edf g\u1ea1ch ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh x\u01b0\u1edbc ri\u00eang.<\/p>\n
<\/p>\n
3. L\u00e0m n\u00f3ng \u1ed5 tr\u1ee5c gi\u1ea3m t\u1ed1c m\u00e1y nghi\u1ec1n bi:<\/p>\n
Ngo\u00e0i vi\u1ec7c ki\u1ec3m tra \u0111\u1ed9 t\u0103ng nhi\u1ec7t \u0111\u1ed9 \u1ed5 tr\u1ee5c c\u1ee7a m\u00e1y nghi\u1ec1n bi, h\u00e3y ki\u1ec3m tra xem l\u1ed7 th\u00f4ng h\u01a1i c\u1ee7a b\u1ed9 gi\u1ea3m t\u1ed1c c\u00f3 b\u1ecb ch\u1eb7n hay kh\u00f4ng v\u00e0 m\u1edf kh\u00f3a l\u1ed7 th\u00f4ng h\u01a1i.<\/p>\n
4. Sau khi \u0111\u1ed9ng c\u01a1 m\u00e1y nghi\u1ec1n bi c\u00f3 b\u1ed9 gi\u1ea3m t\u1ed1c \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng, hi\u1ec7n t\u01b0\u1ee3ng rung l\u1eafc x\u1ea3y ra, nguy\u00ean nh\u00e2n ch\u00ednh l\u00e0:<\/p>\n
(1) Khe h\u1edf gi\u1eefa hai b\u00e1nh xe c\u1ee7a kh\u1edbp n\u1ed1i m\u00e1y nghi\u1ec1n bi qu\u00e1 nh\u1ecf \u0111\u1ec3 b\u00f9 l\u1ea1i l\u01b0\u1ee3ng chuy\u1ec3n \u0111\u1ed9ng g\u00e2y ra b\u1edfi t\u00e2m t\u1eeb tr\u01b0\u1eddng khi \u0111\u1ed9ng c\u01a1 kh\u1edfi \u0111\u1ed9ng.<\/p>\n
(2) Ph\u01b0\u01a1ng ph\u00e1p c\u0103n ch\u1ec9nh kh\u1edbp n\u1ed1i c\u1ee7a m\u00e1y nghi\u1ec1n bi kh\u00f4ng ch\u00ednh x\u00e1c, l\u00e0m cho hai tr\u1ee5c b\u1ecb l\u1ec7ch.<\/p>\n
(3) C\u00e1c bu l\u00f4ng k\u1ebft n\u1ed1i c\u1ee7a kh\u1edbp n\u1ed1i m\u00e1y nghi\u1ec1n bi kh\u00f4ng \u0111\u01b0\u1ee3c si\u1ebft \u0111\u1ed1i x\u1ee9ng v\u00e0 m\u1ee9c \u0111\u1ed9 c\u1ee7a l\u1ef1c si\u1ebft kh\u00e1c nhau.<\/p>\n
(4) V\u00f2ng ngo\u00e0i c\u1ee7a \u1ed5 tr\u1ee5c m\u00e1y nghi\u1ec1n bi chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n
Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd: \u0110i\u1ec1u ch\u1ec9nh khe h\u1edf theo quy \u0111\u1ecbnh \u0111\u1ec3 hai tr\u1ee5c \u0111\u1ed3ng t\u00e2m. Si\u1ebft ch\u1eb7t c\u00e1c bu l\u00f4ng gh\u00e9p c\u1ee7a kh\u1edbp n\u1ed1i \u0111\u1ed1i x\u1ee9ng v\u1edbi c\u00f9ng m\u1ed9t momen xo\u1eafn. Khi r\u00f4to kh\u00f4ng c\u00e2n b\u1eb1ng, l\u1ea5y r\u00f4to c\u1ee7a m\u00e1y nghi\u1ec1n bi ra \u0111\u1ec3 t\u00ecm c\u00e2n b\u1eb1ng t\u0129nh.<\/p>\n
5. Khi b\u1ed9 gi\u1ea3m t\u1ed1c c\u1ee7a m\u00e1y nghi\u1ec1n bi d\u1eabn \u0111\u1ed9ng m\u00e1y nghi\u1ec1n, hi\u1ec7n t\u01b0\u1ee3ng rung r\u1ea5t l\u1edbn x\u1ea3y ra:<\/p>\n
(1) Tr\u1ee5c c\u00e2n b\u1eb1ng c\u1ee7a m\u00e1y nghi\u1ec1n bi v\u00e0 b\u1ed9 gi\u1ea3m t\u1ed1c, t\u00e2m tr\u1ee5c kh\u00f4ng n\u1eb1m tr\u00ean m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng, nguy\u00ean nh\u00e2n l\u00e0 do:
\nKhi m\u00e1y nghi\u1ec1n \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u1edbi l\u1edbp l\u00f3t, qu\u00e1 tr\u00ecnh ph\u1ee5t v\u1eefa th\u1ee9 c\u1ea5p kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ho\u1eb7c c\u00e1c bu l\u00f4ng neo sau khi b\u01a1m v\u1eefa th\u1ee9 c\u1ea5p kh\u00f4ng \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t \u0111\u00fang c\u00e1ch, xi lanh c\u1ee7a m\u00e1y nghi\u1ec1n b\u1ecb quay b\u1edfi pal\u0103ng, \u0111i\u1ec1u n\u00e0y l\u00e0m cho m\u1ed9t \u0111\u1ea7u c\u1ee7a xi lanh m\u00e1y nghi\u1ec1n b\u1ecb d\u1ecbch chuy\u1ec3n, v\u00e0 hai t\u00e2m tr\u1ee5c kh\u00f4ng th\u1eb3ng h\u00e0ng. Rung \u0111\u1ed9ng x\u1ea3y ra sau khi b\u1ed9 gi\u1ea3m t\u1ed1c d\u1eabn \u0111\u1ed9ng m\u00e1y nghi\u1ec1n.<\/p>\n
Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd: \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i sao cho tr\u1ee5c c\u1ee7a m\u00e1y nghi\u1ec1n bi v\u00e0 tr\u1ee5c c\u1ee7a b\u1ed9 gi\u1ea3m t\u1ed1c n\u1eb1m tr\u00ean c\u00f9ng m\u1ed9t tr\u1ee5c m\u1eb7t ph\u1eb3ng.<\/p>\n
(2) M\u00e1y nghi\u1ec1n bi c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn, n\u1eb7ng khi\u1ebfn n\u1ec1n b\u1ecb l\u00fan; chuy\u1ec3n v\u1ecb x\u1ea3y ra. Thi\u1ebft l\u1eadp c\u00e1c \u0111i\u1ec3m l\u00fan quan tr\u1eafc c\u1ea1nh m\u00f3ng; quan s\u00e1t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh n\u1ebfu c\u00f3 ch\u00ecm.<\/p>\n
6. \u00c2m thanh ch\u1ea1y c\u1ee7a b\u1ed9 gi\u1ea3m t\u1ed1c c\u1ee7a m\u00e1y nghi\u1ec1n bi kh\u00f4ng b\u00ecnh th\u01b0\u1eddng:<\/p>\n
\u00c2m thanh ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a b\u1ed9 gi\u1ea3m t\u1ed1c m\u00e1y nghi\u1ec1n bi ph\u1ea3i \u0111\u1ec1u v\u00e0 \u1ed5n \u0111\u1ecbnh. N\u1ebfu b\u00e1nh r\u0103ng c\u00f3 ti\u1ebfng g\u00f5 nh\u1eb9, ti\u1ebfng ma s\u00e1t kh\u00e0n v\u00e0 kh\u00f4ng c\u00f3 s\u1ef1 thay \u0111\u1ed5i r\u00f5 r\u00e0ng trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh, b\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c quan s\u00e1t, t\u00ecm ra nguy\u00ean nh\u00e2n v\u00e0 d\u1eebng m\u00e1y nghi\u1ec1n bi \u0111\u1ec3 x\u1eed l\u00fd. N\u1ebfu \u00e2m thanh ng\u00e0y c\u00e0ng l\u1edbn h\u01a1n, h\u00e3y d\u1eebng m\u00e1y nghi\u1ec1n bi \u0111\u1ec3 ki\u1ec3m tra ngay l\u1eadp t\u1ee9c.<\/p>\n","protected":false},"excerpt":{"rendered":"
Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng m\u00e1y nghi\u1ec1n bi ch\u1eafc ch\u1eafn s\u1ebd x\u1ea3y ra nhi\u1ec1u s\u1ef1 c\u1ed1 kh\u00e1c nhau, \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ef1 c\u1ed1 kh\u00e1c nhau c\u0169ng c\u00f3 nh\u1eefng bi\u1ec7n ph\u00e1p x\u1eed l\u00fd kh\u00e1c nhau. 1. Khi m\u00e1y nghi\u1ec1n bi ch\u1ea1y, c\u00f3 ti\u1ebfng \u0111\u1eadp \u0111\u1ec1u v\u00e0 ti\u1ebfng k\u00eau to. \u0110i\u1ec1u n\u00e0y l\u00e0 do m\u1ed9t ph\u1ea7n c\u1ee7a bu l\u00f4ng l\u00f3t kh\u00f4ng \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t.<\/p>\n","protected":false},"author":6,"featured_media":87317,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[1931],"class_list":["post-115839","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi","tag-cac-su-co-thuong-gap-cua-may-nghien-bi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/115839","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=115839"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/115839\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/87317"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=115839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=115839"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=115839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}