{"id":46874,"date":"2022-05-14T08:00:18","date_gmt":"2022-05-13T23:00:18","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=46874"},"modified":"2026-05-16T13:19:08","modified_gmt":"2026-05-16T04:19:08","slug":"meo-su-dung-bu-long-khoan-tu-khoan-vao-da","status":"publish","type":"post","link":"https:\/\/norimen.net\/vi\/self-drilling-rock-bolt-tips\/","title":{"rendered":"M\u1eb9o s\u1eed d\u1ee5ng bu-l\u00f4ng neo t\u1ef1 khoan"},"content":{"rendered":"

Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi<\/p>\n

\u0110\u00e2y l\u00e0 Enta.<\/p>\n

H\u00f4m nay m\u00ecnh s\u1ebd n\u00f3i v\u1ec1 bu-l\u00f4ng neo t\u1ef1 khoan nh\u00e9 w<\/p>\n

\"Bu<\/p>\n

Bu l\u00f4ng neo t\u1ef1 khoan<\/h3>\n

Bu l\u00f4ng neo t\u1ef1 khoan l\u00e0 lo\u1ea1i bu l\u00f4ng neo bao g\u1ed3m m\u0169i khoan + thanh bu l\u00f4ng + kh\u1edbp n\u1ed1i,<\/p>\n

Ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m bu-l\u00f4ng neo t\u1ea1m th\u1eddi t\u1ea1i nh\u1eefng v\u1ecb tr\u00ed m\u00e0 th\u00e0nh l\u1ed7 khoan kh\u00f4ng th\u1ec3 t\u1ef1 \u0111\u1ee9ng v\u1eefng.<\/p>\n

G\u1ea7n \u0111\u00e2y, t\u00f9y tr\u01b0\u1eddng h\u1ee3p, c\u00f3 nh\u1eefng tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1ee3c coi l\u00e0 ph\u01b0\u01a1ng \u00e1n ch\u00ednh th\u1ee9c.<\/p>\n

C\u00e2u chuy\u1ec7n x\u01b0a<\/h3>\n

Tr\u01b0\u1edbc \u0111\u00e2y, bu-l\u00f4ng neo t\u1ef1 khoan ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng ch\u00ednh th\u1ee9c.<\/p>\n

N\u1ebfu h\u1ecfi t\u1ea1i sao l\u1ea1i \u0111i ch\u1ec7ch kh\u1ecfi k\u1ebf ho\u1ea1ch ban \u0111\u1ea7u, th\u00ec th\u1ef1c ra l\u00e0...Vi\u1ec7c b\u01a1m kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/span><\/strong><\/span>Th\u1eadt ra l\u00e0 nh\u01b0 v\u1eady.<\/p>\n

Nh\u00e0 th\u1ea7u \u0111\u00e3 n\u00f3i nh\u01b0 th\u1ec3 h\u1ecd \u0111\u00e3 ho\u00e0n th\u00e0nh vi\u1ec7c thi c\u00f4ng v\u1eady.<\/p>\n

Tr\u01b0\u1edbc \u0111\u00e2y, b\u1ea3n th\u00e2n t\u00f4i c\u0169ng t\u1eebng n\u00f3i nh\u01b0 v\u1eady.<\/p>\n

Th\u1ef1c t\u1ebf, c\u00f3 kh\u00e1 nhi\u1ec1u \u0111i\u1ec3m m\u00e0 t\u00f4i kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c li\u1ec7u vi\u1ec7c ti\u00eam c\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch hay kh\u00f4ng.<\/p>\n

V\u00e0 r\u1ed3i, trong m\u1ed9t cu\u1ed9c ki\u1ec3m to\u00e1n n\u00e0o \u0111\u00f3, t\u00ecnh tr\u1ea1ng b\u1ea5t \u1ed5n \u0111\u00f3 \u0111\u00e3 b\u1ecb ph\u00e1t hi\u1ec7n,C\u1ea5m s\u1eed d\u1ee5ng<\/span><\/strong>\u0111\u00e3 tr\u1edf th\u00e0nh. (Ch\u1eafc l\u00e0 T\u1ed5ng c\u00f4ng ty \u0110\u01b0\u1eddng b\u1ed9?)<\/p>\n

Nh\u1eefng kh\u00f3 kh\u0103n trong vi\u1ec7c t\u1ef1 khoan l\u1ed7<\/h3>\n

N\u1ebfu n\u00f3i v\u1ec1 kh\u00f3 kh\u0103n c\u1ee7a bu-l\u00f4ng neo t\u1ef1 khoan, th\u00ec \u0111\u00f3 ch\u00ednh l\u00e0 c\u00f4ng \u0111o\u1ea1n khoan l\u1ed7.<\/p>\n

V\u00ec c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean nh\u1eefng ng\u1ecdn n\u00fai m\u00e0 n\u1ec1n \u0111\u1ea5t kh\u00f4ng \u0111\u1ee7 v\u1eefng ch\u1eafc, n\u00ean t\u1ea5t nhi\u00ean n\u1ec1n \u0111\u1ea5t s\u1ebd b\u1ecb s\u1ea1t l\u1edf.<\/p>\n

Trong khi \u0111\u00f3, ch\u00fang t\u00f4i s\u1ebd ti\u1ebfp t\u1ee5c khoan l\u1ed7 \u0111\u1ed3ng th\u1eddi \u0111\u1ea9y ch\u1ea5t nh\u1ea7y ra ngo\u00e0i.<\/p>\n

Khi ho\u00e0n t\u1ea5t vi\u1ec7c khoan l\u1ed7, d\u00f9 l\u00e0 khoan b\u1eb1ng tay hay b\u1eb1ng m\u00e1y, khi th\u00e1o b\u1ed9 chuy\u1ec3n \u0111\u1ed5i tr\u1ee5c, thanh khoan c\u00f3 th\u1ec3 b\u1ecb rung l\u1eafc, ho\u1eb7cKhi va ch\u1ea1m v\u00e0o th\u00e0nh l\u1ed7, th\u00e0nh l\u1ed7 s\u1ebd b\u1ecb s\u1ee5p \u0111\u1ed5.<\/strong><\/p>\n

Ti\u00eam<\/h4>\n

D\u00f9 kh\u00f4ng b\u1ecb v\u1ee1 \u0111i ch\u0103ng n\u1eefa, vi\u1ec7c b\u01a1m ch\u1ea5t l\u1ecfng v\u1eabn \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n qua l\u1ed7 tr\u00ean th\u00e2n thanh.<\/p>\n

N\u1ebfu vi\u1ec7c khoan l\u1ed7 ch\u01b0a \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch, l\u1ed7 khoan s\u1ebd b\u1ecb b\u1ecbt k\u00edn v\u00e0 kh\u00f4ng th\u1ec3 ti\u1ebfn h\u00e0nh b\u01a1m ch\u1ea5t l\u1ecfng v\u00e0o \u0111\u01b0\u1ee3c.<\/span><\/strong><\/p>\n

V\u00ec kh\u00f4ng c\u00f3 \u1ed1ng d\u1eabn \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o n\u00ean kh\u00f4ng th\u1ec3 b\u01a1m ch\u1ea5t l\u1ecfng t\u1eeb \u0111\u1ea7u \u1ed1ng.<\/p>\n

Nh\u01b0 v\u1eady, ch\u1ec9 c\u00f3 th\u1ec3 ti\u00eam qua v\u00f9ng mi\u1ec7ng m\u00e0 th\u00f4i.<\/p>\n

Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a vi\u1ec7c ti\u00eam l\u00e0 v\u00e0o v\u1ecb tr\u00ed s\u00e2u nh\u1ea5t<\/span><\/strong><\/span>Ch\u00ednh v\u00ec v\u1eady. N\u1ebfu kh\u00f4ng th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3, th\u00ec th\u1eadm ch\u00ed vi\u1ec7c x\u00e1c nh\u1eadn vi\u1ec7c b\u01a1m ch\u1ea5t l\u1ecfng c\u0169ng kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c.<\/p>\n

\u0110\u00e2y ch\u00ednh l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra kh\u00f3 kh\u0103n l\u1edbn nh\u1ea5t.<\/p>\n

N\u1ebfu b\u01a1m t\u1eeb \u0111i\u1ec3m s\u00e2u nh\u1ea5t m\u00e0 kh\u00f4ng th\u1ec3 x\u00e1c nh\u1eadn \u0111\u01b0\u1ee3c d\u00f2ng ch\u1ea3y tr\u1edf l\u1ea1i, th\u00ec vi\u1ec7c b\u01a1m s\u1ebd ch\u1ec9 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c m\u1ed9t ph\u1ea7n m\u00e0 th\u00f4i.<\/span><\/strong><\/p>\n

\"Bu<\/p>\n

Ti\u00eau ch\u00ed \u0111\u00e1nh gi\u00e1 trong qu\u00e1 tr\u00ecnh khoan l\u1ed7<\/h3>\n

Ch\u1eebng n\u00e0o trong qu\u00e1 tr\u00ecnh khoan v\u1eabn c\u00f2n ch\u1ea5t l\u1ecfng (slime) \u0111\u01b0\u1ee3c th\u1ea3i ra, th\u00ec c\u00f3 th\u1ec3 k\u1ebft lu\u1eadn r\u1eb1ng n\u1ec1n \u0111\u1ea5t v\u1eabn t\u1ef1 \u0111\u1ee9ng v\u1eefng.<\/p>\n

Tuy nhi\u00ean, n\u1ebfu s\u1ed1 l\u01b0\u1ee3ng Kriko (Slime) n\u00e0y gi\u1ea3m xu\u1ed1ng m\u1ee9c c\u1ef1c th\u1ea5p ho\u1eb7c kh\u00f4ng xu\u1ea5t hi\u1ec7n n\u1eefa, th\u00ec h\u1ec7 th\u1ed1ng \u0111\u00e3 s\u1ee5p \u0111\u1ed5.<\/p>\n

L\u00fac \u0111\u00f3, b\u00e1c s\u0129 ph\u1eabu thu\u1eadt s\u1ebd r\u00fat que ra, nh\u01b0ng sau khi r\u00fat ra, l\u1ea1i \u0111\u01b0a v\u00e0o v\u00e0 ki\u1ec3m tra l\u1ea1i v\u1ecb tr\u00ed c\u1ee7a que.<\/p>\n

D\u00f9 c\u00f3 l\u1eb7p l\u1ea1i \u0111i\u1ec1u n\u00e0y, nh\u01b0ng cu\u1ed1i c\u00f9ng th\u00ec chi\u1ebfn thu\u1eadt t\u1ef1 khoan v\u1eabn c\u00f3 xu h\u01b0\u1edbng ti\u1ebfp t\u1ee5c ti\u1ebfn l\u00ean, b\u1ea5t k\u1ec3 c\u00f3 xu\u1ea5t hi\u1ec7n slime hay kh\u00f4ng.<\/p>\n

C\u1ea7n th\u1eadn tr\u1ecdng khi kh\u00f4ng xu\u1ea5t hi\u1ec7n Slime khoan l\u1ed7<\/span><\/strong><\/span>\u0110\u00f3 l\u00e0.<\/p>\n

\"Bu<\/p>\n

C\u00e1c \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd khi thi c\u00f4ng bu-l\u00f4ng neo t\u1ef1 khoan, v.v.<\/h3>\n
    \n
  • Ch\u1ea5t nh\u1ea7y (slime) \u0111\u01b0\u1ee3c th\u1ea3i ra trong qu\u00e1 tr\u00ecnh khoan<\/strong><\/span><\/li>\n
  • Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ea5t \u0111\u1ecf ch\u1eb3ng h\u1ea1n, n\u00f3 c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ee9ng v\u1eefng kh\u00e1 t\u1ed1t.<\/strong><\/span><\/li>\n
  • \u0110\u1ea5t n\u1ec1n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ee9ng v\u1eefng \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh cho \u0111\u1ebfn khi ti\u1ebfn h\u00e0nh b\u01a1m.<\/strong><\/span><\/li>\n
  • Khi ho\u00e0n t\u1ea5t vi\u1ec7c khoan l\u1ed7, nh\u1ea5t \u0111\u1ecbnh ph\u1ea3i ki\u1ec3m tra lu\u1ed3ng kh\u00ed qua thanh khoan.<\/strong><\/span><\/li>\n
  • N\u1ebfu t\u0103ng l\u01b0\u1ee3ng b\u1ed9t Yohori l\u00ean m\u1ed9t ch\u00fat th\u00ec \u0111\u1ea7u kim s\u1ebd \u00edt b\u1ecb t\u1eafc h\u01a1n
    \n(C\u00f3 nguy c\u01a1 n\u01b0\u1edbc ch\u1ea3y ng\u01b0\u1ee3c khi \u0111\u00e0o m\u01b0\u01a1ng quanh khu v\u1ef1c than b\u00f9n)<\/strong><\/span><\/li>\n
  • \u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i \u0111\u00e1 c\u00f3 h\u00ecnh n\u00f3n v\u00e1ch \u0111\u00e1 ho\u1eb7c \u0111\u00e1 b\u1ecb phong h\u00f3a m\u1ea1nh c\u00f3 gi\u00e1 tr\u1ecb N d\u01b0\u1edbi 10 th\u00ec vi\u1ec7c thi c\u00f4ng g\u1ea7n nh\u01b0 l\u00e0 kh\u00f4ng th\u1ec3<\/strong><\/span><\/li>\n
  • Sau khi b\u01a1m, c\u1ea7n l\u1eafc thanh th\u00e9p c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t khi \u0111\u01b0a v\u00e0o v\u00e0 r\u00fat ra \u0111\u1ec3 th\u00fac \u0111\u1ea9y s\u1ef1 b\u00e1m d\u00ednh v\u1edbi v\u1eefa xi m\u0103ng.<\/strong><\/span><\/li>\n
  • Nh\u1eefng nh\u00e0 th\u1ea7u n\u00e0o n\u00f3i r\u1eb1ng \u201cv\u00edt neo t\u1ef1 khoan th\u00ec kh\u00e1 \u0111\u01a1n gi\u1ea3n\u201d \u0111\u1ec1u \u0111ang n\u00f3i d\u1ed1i<\/strong><\/span><\/li>\n
  • C\u00e1c nh\u00e0 th\u1ea7u s\u1eed d\u1ee5ng bu-l\u00f4ng neo t\u1ef1 khoan trong c\u00f4ng tr\u00ecnh t\u1ea1m th\u1eddi \u0111\u1ec1u bi\u1ebft r\u00f5 \u0111i\u1ec1u n\u00e0y.<\/strong><\/span><\/li>\n
  • G\u1ea7n \u0111\u00e2y, \u0111\u00e3 c\u00f3 lo\u1ea1i bu-l\u00f4ng kh\u00f3a t\u1ef1 khoan \u0111\u01b0\u1ee3c m\u1ea1.<\/strong><\/span><\/li>\n
  • V\u1edbi m\u0169i khoan s\u1eaft, tr\u1eeb khi l\u00e0 ng\u1ecdn n\u00fai c\u1ef1c k\u1ef3 m\u1ec1m, n\u1ebfu kh\u00f4ng th\u00ec kh\u00f4ng th\u1ec3 khoan \u0111\u01b0\u1ee3c.<\/strong><\/span><\/li>\n
  • M\u0169i khoan c\u00f3 l\u01b0\u1ee1i c\u1eaft c\u00f3 th\u1ec3 khoan \u0111\u01b0\u1ee3c m\u1ed9t \u0111o\u1ea1n nh\u1ea5t \u0111\u1ecbnh, nh\u01b0ng ngay khi g\u1eb7p l\u1edbp \u0111\u00e1 c\u1ee9ng th\u00ec thanh khoan s\u1ebd b\u1ecb g\u00e3y.<\/strong><\/span><\/li>\n
  • C\u00e1c nh\u00e0 th\u1ea7u am hi\u1ec3u v\u1ec1 bu-l\u00f4ng neo t\u1ef1 khoan th\u01b0\u1eddng d\u1ef1 tr\u1eef \u0111\u1ea7y \u0111\u1ee7 thanh ch\u1ed1t d\u1ef1 ph\u00f2ng.<\/strong><\/span><\/li>\n
  • C\u00e1c nh\u00e0 th\u1ea7u s\u1eed d\u1ee5ng \u0111\u1ea7u xoay \u0111\u1ec3 khoan gi\u1ebfng n\u01b0\u1edbc c\u00f3 l\u1ebd l\u00e0 nh\u1eefng ng\u01b0\u1eddi kh\u00e1 d\u00e0y d\u1ea1n kinh nghi\u1ec7m ch\u0103ng? (\u00c1p su\u1ea5t kh\u00ed c\u0169ng r\u1ea5t m\u1ea1nh)<\/strong><\/span><\/li>\n
  • Th\u1eadt b\u1ea5t ng\u1edd l\u00e0 c\u00f3 r\u1ea5t \u00edt nh\u00e0 th\u1ea7u s\u1edf h\u1eefu kh\u1edbp xoay d\u00e0nh cho bu-l\u00f4ng neo.<\/strong><\/span><\/li>\n
  • N\u1ebfu c\u1ed1 \u00e9p qu\u00e1 m\u1ee9c, c\u1ea7n c\u00e2u s\u1ebd g\u00e3y li\u00ean t\u1ee5c.<\/strong><\/span><\/li>\n
  • Khi \u0111\u00e0o b\u1eb1ng tay, \u0111\u1ed9 s\u00e2u t\u1ed1i \u0111a l\u00e0 kho\u1ea3ng 2,5 m (theo t\u00ednh to\u00e1n)<\/strong><\/span><\/li>\n
  • N\u1ebfu c\u00f3 th\u1ec3, t\u00f4i mong n\u00f3 s\u1ebd bi\u1ebfn m\u1ea5t (ti\u1ebfng th\u00e9t t\u1eeb \u0111\u00e1y l\u00f2ng)<\/strong><\/span><\/li>\n
  • Nh\u1eefng nh\u00e0 th\u1ea7u n\u00e0o n\u00f3i r\u1eb1ng vi\u1ec7c khoan l\u1ed7 l\u00e0 d\u1ec5 d\u00e0ng th\u00ec th\u1eadt \u0111\u00e1ng ng\u1edd<\/strong><\/span><\/li>\n
  • N\u1ebfu kh\u00f4ng th\u1ec3 \u0111\u1ed5 b\u00ea t\u00f4ng v\u00e0o th\u00ec ch\u1ec9 l\u00e0 nh\u1eefng thanh c\u1ed1t th\u00e9p c\u1eafm v\u00e0o \u0111\u00f3 m\u00e0 th\u00f4i<\/strong><\/span><\/li>\n<\/ul>\n

     <\/p>\n

    H\u1eb9n g\u1eb7p l\u1ea1i nh\u00e9.<\/p>","protected":false},"excerpt":{"rendered":"

    Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi, t\u00f4i l\u00e0 Enta. H\u00f4m nay t\u00f4i s\u1ebd n\u00f3i v\u1ec1 bu-l\u00f4ng neo t\u1ef1 khoan (w). Bu-l\u00f4ng neo t\u1ef1 khoan l\u00e0 lo\u1ea1i bu-l\u00f4ng neo bao g\u1ed3m m\u0169i khoan + thanh bu-l\u00f4ng + kh\u1edbp n\u1ed1i, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m bu-l\u00f4ng neo t\u1ea1m th\u1eddi t\u1ea1i nh\u1eefng v\u1ecb tr\u00ed m\u00e0 th\u00e0nh l\u1ed7 khoan kh\u00f4ng th\u1ec3 t\u1ef1 \u0111\u1ee9ng v\u1eefng\u2026<\/p>","protected":false},"author":2,"featured_media":43690,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[30],"tags":[116,416,799,1523,3347,5157],"class_list":["post-46874","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lock-bolt","tag-116","tag-416","tag-799","tag-1523","tag-3347","tag-5157"],"acf":[],"yoast_head":"\n\u81ea\u7a7f\u5b54\u30ed\u30c3\u30af\u30dc\u30eb\u30c8\u306e\u3053\u3064 - \u65b0\u30a8\u30f3\u30bf\u306e\u6cd5\u9762\u7ba1\u7406\u587e<\/title>\n<meta name=\"description\" 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