{"id":4010,"date":"2020-01-04T05:48:56","date_gmt":"2020-01-04T05:48:56","guid":{"rendered":"https:\/\/www.mcctcarbide.com\/?p=4010"},"modified":"2021-02-03T01:21:51","modified_gmt":"2021-02-03T01:21:51","slug":"is-it-right-to-use-end-mill-drilling-hole","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/is-it-right-to-use-end-mill-khoan-lo\/","title":{"rendered":"C\u00f3 \u0111\u00fang kh\u00f4ng khi s\u1eed d\u1ee5ng End Mill Khoan Hole?"},"content":{"rendered":"
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C\u00f3 th\u1ec3 b\u1ea1n \u0111\u00e3 t\u1eebng nghe m\u1ecdi ng\u01b0\u1eddi kh\u00f4ng bao gi\u1edd n\u00ean khoan m\u1ed9t l\u1ed7 b\u1eb1ng m\u00e1y nghi\u1ec1n cu\u1ed1i n\u1ebfu ch\u01b0a c\u00f3 m\u1ed9t l\u1ed7 \u1edf t\u00e2m \u0111\u1ec3 c\u00e1c phoi c\u00f3 th\u1ec3 tho\u00e1t ra. T\u1ea1i sao kh\u00f4ng th\u1ec3 cu\u1ed1i nh\u00e0 m\u00e1y <\/a>x\u00f3a c\u00e1c chip? N\u1ebfu c\u00e2u tr\u1ea3 l\u1eddi l\u00e0 kh\u00f4ng. L\u00e0m th\u1ebf n\u00e0o b\u1ea1n c\u00f3 th\u1ec3 lao v\u00e0o v\u1edbi m\u1ed9t m\u00e1y nghi\u1ec1n cu\u1ed1i \u0111\u1ec3 t\u1ea1o ra m\u1ed9t c\u00e1i t\u00fai nh\u01b0 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng m\u0169i khoan?<\/p>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa m\u0169i khoan v\u00e0 m\u00e1y nghi\u1ec1n cu\u1ed1i l\u00e0 g\u00ec?<\/h2>\n\n\n\n

Nh\u01b0 ph\u1ee5 \u0111\u1ec1 ch\u1ec9 ra, hai lo\u1ea1i c\u00f4ng c\u1ee5 n\u00e0y kh\u00e1c nhau \u0111\u00e1ng k\u1ec3. Th\u1ee9 nh\u1ea5t, ch\u00fang kh\u00e1c nhau v\u1ec1 h\u00ecnh d\u1ea1ng d\u1ee5ng c\u1ee5. K\u1ebft th\u00fac nh\u00e0 m\u00e1y<\/a>Ph\u1ea7n c\u1eaft c\u1ee7a \u0111\u01b0\u1ee3c qu\u1ea5n quanh \u1ed1ng s\u00e1o, l\u00e0 m\u1ed9t lo\u1ea1t c\u00e1c r\u00e3nh xo\u1eafn \u1edf b\u00ean cu\u1ed1i nh\u00e0 m\u00e1y<\/a>S. M\u1ed7i \u1ed1ng s\u00e1o c\u00f3 \u00edt nh\u1ea5t m\u1ed9t c\u1ea1nh s\u1eafc. M\u1eb7c d\u00f9 b\u1ea1n kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y lo\u1ea1i th\u00e0nh ph\u1ea7n n\u00e0y tr\u00ean c\u00e1c m\u0169i khoan v\u00ec ch\u00fang ch\u1ec9 s\u1eed d\u1ee5ng c\u00e1c c\u1ea1nh tr\u00ean khu v\u1ef1c tr\u00ean c\u00f9ng c\u1ee7a n\u00f3 thay v\u00ec c\u1ea1nh c\u1eaft b\u00ean \u0111\u1ec3 khoan xu\u1ed1ng v\u00e0 lo\u1ea1i b\u1ecf phoi. Th\u1ee9 hai, M\u00e1y nghi\u1ec1n cu\u1ed1i linh ho\u1ea1t h\u01a1n so v\u1edbi m\u0169i khoan. M\u00e1y phay cu\u1ed1i \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 kh\u00f4ng ch\u1ec9 c\u1eaft theo chi\u1ec1u ngang tr\u00ean chi ti\u1ebft gia c\u00f4ng m\u00e0 c\u00f2n ch\u1ee7 y\u1ebfu t\u1ea1o r\u00e3nh sau \u0111\u00f3 m\u00e0i to\u00e0n b\u1ed9 l\u1ed7 d\u1ef1a tr\u00ean r\u00e3nh sau \u0111\u00f3. Trong khi \u0111\u00f3, c\u00e1c m\u0169i khoan 'ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c l\u1ed7 khoan th\u1eb3ng xu\u1ed1ng v\u1eadt li\u1ec7u. N\u00f3i m\u1ed9t c\u00e1ch d\u1ec5 hi\u1ec3u, kh\u00f4ng th\u1ec3 thay th\u1ebf m\u0169i khoan b\u1eb1ng m\u00e1y nghi\u1ec1n cu\u1ed1i \u0111\u1ec3 th\u1ef1c hi\u1ec7n ho\u1ea1t \u0111\u1ed9ng phay. \u00a0<\/p>\n\n\n\n

t\u00ecnh hu\u1ed1ng n\u00e0o t\u1ed1t h\u01a1n b\u1ea1n n\u00ean xem x\u00e9t \u00e1p d\u1ee5ng khoan bit tr\u00ean?<\/h2>\n\n\n\n

N\u1ebfu b\u1ea1n mu\u1ed1n khoan m\u1ed9t l\u1ed7 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf h\u01a1n 1,5mm, h\u00e3y s\u1eed d\u1ee5ng m\u00e1y khoan. C\u00e1c nh\u00e0 m\u00e1y cu\u1ed1i nh\u1ecf h\u01a1n 1,5 mm tr\u1edf n\u00ean kh\u00e1 d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng v\u00e0 do \u0111\u00f3 kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh m\u1ebd nh\u01b0 m\u00e1y khoan.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n c\u1ea7n khoan m\u1ed9t l\u1ed7 r\u1ea5t s\u00e2u - g\u1ea5p h\u01a1n 4 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 c\u1ee7a b\u1ea1n, h\u00e3y ch\u1ecdn m\u1ed9t m\u0169i khoan. B\u1edfi v\u00ec n\u1ebfu \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 v\u01b0\u1ee3t qu\u00e1 gi\u00e1 tr\u1ecb n\u00e0y, c\u00f3 th\u1ec3 r\u1ea5t kh\u00f3 \u0111\u1ec3 dao phay cu\u1ed1i c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c con chip, \u0111i\u1ec1u n\u00e0y s\u1ebd nhanh ch\u00f3ng l\u00e0m m\u00f2n c\u00f4ng c\u1ee5 v\u00e0 ph\u00f4i c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

B\u1ea1n c\u00f3 c\u1ea7n khoan nhi\u1ec1u l\u1ed7 trong ph\u00f4i c\u00f9ng m\u1ed9t l\u00fac kh\u00f4ng? Khoan c\u00f3 th\u1ec3 l\u00e0 t\u1ed1t nh\u1ea5t. Trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c nh\u00e0 m\u00e1y cu\u1ed1i \u0111\u1ec3 khoan l\u00e0 nhanh nh\u1ea5t.<\/p>\n\n\n\n

B\u1ea1n c\u00f3 c\u1ea7n ph\u1ea3i t\u1ea1o ra m\u1ed9t l\u1ed7 r\u1ea5t ch\u00ednh x\u00e1c? M\u1eb7c d\u00f9 phay n\u00f3i chung l\u00e0 ho\u00e0n to\u00e0n ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c, \u0111\u00f4i khi dung sai \u0111\u00f2i h\u1ecfi m\u1ed9t m\u0169i khoan v\u00e0 m\u0169i khoan \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t k\u1ebft th\u00fac ho\u00e0n h\u1ea3o.<\/p>\n\n\n\n

Khi n\u00e0o b\u1ea1n n\u00ean s\u1eed d\u1ee5ng m\u00e1y nghi\u1ec1n cu\u1ed1i?<\/h2>\n\n\n\n

B\u1ea1n c\u00f3 c\u1ea7n ph\u1ea3i \u0111\u00e0o m\u1ed9t c\u00e1i h\u1ed1 l\u1edbn? L\u1ed7 l\u1edbn c\u1ea7n khoan l\u1edbn v\u00e0 m\u00e3 l\u1ef1c l\u1edbn, \u0111\u00f3 l\u00e0 \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a phay xo\u1eafn \u1ed1c. S\u1eed d\u1ee5ng dao phay c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 60-80% \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 \u0111\u1ec3 l\u00e0m s\u1ea1ch nhanh ch\u00f3ng, trong khi \u0111\u1ec3 l\u1ea1i \u0111\u1ee7 kh\u00f4ng gian cho c\u00e1c m\u1ea3nh v\u1ee1 tho\u00e1t ra.<\/p>\n\n\n\n

C\u1ea7n san ph\u1eb3ng l\u1ed7 d\u01b0\u1edbi tr\u00ean ph\u00f4i? M\u00e1y khoan th\u00f4ng th\u01b0\u1eddng kh\u00f4ng th\u1ec3 l\u00e0m \u0111i\u1ec1u n\u00e0y, v\u00ec v\u1eady t\u1ed1t h\u01a1n h\u1ebft b\u1ea1n n\u00ean x\u00f3a m\u1ee5c n\u00e0y kh\u1ecfi danh s\u00e1ch c\u00f4ng vi\u1ec7c c\u1ee7a m\u00e1y khoan.<\/p>\n\n\n\n

C\u1ea7n ph\u1ea3i s\u1ea3n xu\u1ea5t r\u1ea5t nhi\u1ec1u l\u1ed7 c\u00f3 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau? C\u1ed1 g\u1eafng s\u1eed d\u1ee5ng dao phay cu\u1ed1i, c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 kh\u00f4ng gian thay \u0111\u1ed5i c\u00f4ng c\u1ee5.<\/p>\n\n\n\n

H\u00e3y nh\u1edb \u0111o\u1ea1n \u0111\u01b0\u1eddng n\u1ed1i t\u1eeb b\u00ean n\u00e0y sang b\u00ean kia ho\u1eb7c \u0111\u01b0\u1eddng n\u1ed1i n\u1ed9i suy xo\u1eafn \u1ed1c<\/h2>\n\n\n\n

\u0110\u1ec3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi n\u00e0y, h\u00e3y nh\u00ecn v\u00e0o ph\u1ea7n cu\u1ed1i c\u1ee7a m\u00e1y nghi\u1ec1n cu\u1ed1i l\u00e0 m\u1eb7t b\u1eb1ng \u0111\u1ec3 c\u1eaft trung t\u00e2m. Khe h\u1edf ph\u00eda sau c\u00e1c c\u1ea1nh c\u1eaft ph\u00eda d\u01b0\u1edbi \u00edt h\u01a1n nhi\u1ec1u so v\u1edbi khe h\u1edf ph\u00eda sau c\u00e1c c\u1ea1nh c\u1eaft b\u00ean. \u0110\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng \u0111\u1ee7 kh\u00f4ng gian cho m\u1ed9t con chip chi\u1ebfm gi\u1eef v\u00e0 c\u0169ng kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o \u0111\u1ec3 con chip tho\u00e1t ra. N\u1ebfu b\u1ea1n l\u00e0m nh\u1eefng c\u00e1i r\u1ea5t ng\u1eafn, b\u1ea1n c\u00f3 th\u1ec3 khoan v\u00e0 m\u00e1y nghi\u1ec1n nh\u01b0ng s\u1ebd t\u1ed1t h\u01a1n nhi\u1ec1u n\u1ebfu \u0111i xu\u1ed1ng theo \u0111\u01b0\u1eddng xo\u1eafn \u1ed1c. \u0110\u1ec3 l\u00e0m m\u1ed9t c\u00e1i t\u00fai, t\u1ed1t nh\u1ea5t l\u00e0 n\u00ean khoan tr\u01b0\u1edbc m\u1ed9t l\u1ed7 nh\u01b0ng n\u1ebfu b\u1ea1n mu\u1ed1n tr\u00e1nh thay \u0111\u1ed5i c\u00f4ng c\u1ee5 thay v\u00ec khoan v\u1edbi khe c\u1ee7a m\u00e1y ti\u1ec7n xu\u1ed1ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t \u0111o\u1ea1n d\u1ed1c qua l\u1ea1i. Di chuy\u1ec3n c\u00f4ng c\u1ee5 sang m\u1ed9t b\u00ean kho\u1ea3ng 1\/2 \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a n\u00f3 trong khi \u0111i xu\u1ed1ng kho\u1ea3ng 1\/8 \u0111\u01b0\u1eddng k\u00ednh; \u0110i\u1ec1u n\u00e0y t\u1ea1o ra ch\u1ed7 cho c\u00e1c con chip tho\u00e1t ra. N\u00f3 kh\u00f4ng l\u00fd t\u01b0\u1edfng nh\u01b0ng n\u00f3 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n

H\u1ecd \u0111\u1ec3 l\u1ea1i m\u1ed9t k\u1ebft th\u00fac r\u1ea5t \u0111\u1eb9p \u1edf b\u00ean trong l\u1ed7. B\u1ea1n s\u1ebd ph\u1ea3i \u0111i ch\u1eadm h\u01a1n m\u00e1y khoan, nh\u01b0ng kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec trong vi\u1ec7c s\u01a1 t\u00e1n chip. H\u1ea7u h\u1ebft, n\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi b\u1ea1n mu\u1ed1n c\u00f3 m\u1ed9t l\u1ed7 \u0111\u00e1y ph\u1eb3ng nh\u01b0 m\u1ed9t l\u1ed7 khoan. Theo \u0111\u1ed9 s\u00e2u c\u1ee7a s\u1ef1 s\u1ee5t gi\u1ea3m, kho\u1ea3ng m\u1ed9t n\u1eeda \u0111\u01b0\u1eddng k\u00ednh d\u1ee5ng c\u1ee5 l\u00e0 ti\u00eau chu\u1ea9n. \u0110\u00f4i khi nhi\u1ec1u h\u01a1n ho\u1eb7c \u00edt h\u01a1n \u0111\u1ec3 k\u1ebft th\u00fac v\u1edbi s\u1ed1 l\u01b0\u1ee3ng \u0111\u01b0\u1eddng chuy\u1ec1n \u00edt nh\u1ea5t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 s\u00e2u cu\u1ed1i c\u00f9ng.
Ngo\u00e0i ra, c\u00e1c v\u1eadt li\u1ec7u m\u1ecfng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c khoan b\u1eb1ng m\u00e1y nghi\u1ec1n, trong \u0111\u00f3 m\u1ed9t m\u0169i khoan s\u1ebd l\u1ea5y v\u00e0 x\u00e9 m\u1ea3nh, m\u00e1y nghi\u1ec1n ch\u1ec9 l\u01b0\u1edbt qua n\u00f3 v\u00e0 \u0111\u1ec3 l\u1ea1i m\u1ed9t l\u1ed7 tr\u00f2n ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 h\u00ecnh tam gi\u00e1c.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Maybe you’ve heard people\u00a0should never ever drill a hole with an end mill if there isn’t already a hole at the center for the chips to clear. Why can’t the end mill clear the chips? If the answer is no.\u00a0How can you\u00a0plunge with an end mill\u00a0to produce a pocket as done by drill bit? What…<\/p>","protected":false},"author":2,"featured_media":19276,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[92],"tags":[],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/01\/\u56fe\u72471-2.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/4010"}],"collection":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/comments?post=4010"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/4010\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media\/19276"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=4010"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=4010"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=4010"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}