{"id":20478,"date":"2021-03-23T07:09:01","date_gmt":"2021-03-23T07:09:01","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=20478"},"modified":"2021-03-23T07:09:48","modified_gmt":"2021-03-23T07:09:48","slug":"efficient-solutions-to-stainless-steel-drilling-issues","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/hieu-qua-giai-phap-cho-thep-khong-gi-van-de-khoan\/","title":{"rendered":"Gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 cho c\u00e1c v\u1ea5n \u0111\u1ec1 khoan th\u00e9p kh\u00f4ng g\u1ec9"},"content":{"rendered":"

Li\u00ean quan \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 khoan th\u00e9p kh\u00f4ng g\u1ec9, n\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft t\u1eeb b\u1ed1n kh\u00eda c\u1ea1nh sau: Ch\u1ecdn \u0111\u00fang m\u0169i khoan<\/p>

V\u1eadt li\u1ec7u khoan ph\u00f9 h\u1ee3p<\/h2>

N\u00f3i chung, n\u00ean s\u1eed d\u1ee5ng W6Mo5Cr4V2Al, w2mo9cr4co8 v\u00e0 c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c. Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y l\u00e0 \u0111\u1eaft v\u00e0 kh\u00f3 mua. Khi mua m\u0169i khoan th\u00e9p t\u1ed1c \u0111\u1ed9 cao ti\u00eau chu\u1ea9n th\u00f4ng th\u01b0\u1eddng W18Cr4V th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 khoan, do khuy\u1ebft \u0111i\u1ec3m c\u1ee7a g\u00f3c \u0111\u1ec9nh nh\u1ecf, phoi qu\u00e1 r\u1ed9ng \u0111\u1ec3 x\u1ea3 ra kh\u1ecfi l\u1ed7 k\u1ecbp th\u1eddi, ch\u1ea5t l\u1ecfng c\u1eaft kh\u00f4ng th\u1ec3 l\u00e0m m\u00e1t bit k\u1ecbp th\u1eddi v\u00e0 nhi\u1ec7t k\u00e9m \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9, nhi\u1ec7t \u0111\u1ed9 c\u1eaft t\u1eadp trung \u1edf l\u01b0\u1ee1i c\u1eaft s\u1ebd t\u0103ng cao, d\u1ec5 d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng ch\u00e1y hai m\u00e9p s\u01b0\u1eddn v\u00e0 m\u00e9p ch\u00ednh v\u00e0 x\u1eb9p m\u00e9p, \u0111\u1ed3ng th\u1eddi l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd c\u1ee7a m\u00e9p c\u1eaft xu\u1ed1ng th\u1ea5p.<\/p>

\"\"<\/figure>

C\u00e1c tham s\u1ed1 h\u00ecnh h\u1ecdc c\u1ee7a bit l\u00e0 h\u1ee3p l\u00fd<\/h2>

1. \u0110\u1ec3 t\u0103ng \u0111\u1ed9 b\u1ec1n c\u1ee7a l\u01b0\u1ee1i c\u1eaft ch\u00e9o, h\u00e3y t\u0103ng g\u00f3c \u0111\u1ec9nh v\u00e0 m\u00e0i c\u1ea1nh c\u1eaft ngang c\u00f9ng m\u1ed9t l\u00fac<\/p>

Khi s\u1eed d\u1ee5ng m\u0169i khoan th\u00e9p t\u1ed1c \u0111\u1ed9 cao th\u00f4ng th\u01b0\u1eddng W18Cr4V, l\u1ef1c c\u1eaft v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1eaft t\u1eadp trung v\u00e0o \u0111i\u1ec3m khoan. \u0110\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u1ee7a ph\u1ea7n c\u1eaft c\u1ee7a bit, g\u00f3c tr\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng l\u00ean m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p, v\u00e0 g\u00f3c tr\u00ean th\u01b0\u1eddng l\u00e0 135-140 \u0111\u1ed9.<\/p>

The increase of the top angle will also reduce the rake angle of the outer edge and narrow the cuttings, which is conducive to chip removal. However, with the increase of the top angle, the cross edge of the bit becomes wider, which will increase the cutting resistance. Therefore, the cross edge of the bit must be polished. After grinding, the cross edge’s angle is 47-55 degrees, and the front angle of the cross edge is 3-5 degrees. When grinding the transverse edge, the corner between the cutting edge and the cylindrical surface should be rounded to increase the strength of the transverse edge.<\/p>

2. T\u0103ng g\u00f3c quay l\u1ea1i m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p<\/p>

B\u1edfi v\u00ec m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 nh\u1ecf, s\u1ef1 ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i kim lo\u1ea1i d\u01b0\u1edbi l\u1edbp c\u1eaft l\u1edbn, v\u00e0 qu\u00e1 tr\u00ecnh gia c\u00f4ng c\u1ee9ng l\u00e0 nghi\u00eam tr\u1ecdng trong qu\u00e1 tr\u00ecnh khoan, g\u00f3c c\u00e0o qu\u00e1 nh\u1ecf s\u1ebd l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 m\u00f2n c\u1ee7a s\u01b0\u1eddn bit, t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1eaft v\u00e0 gi\u1ea3m tu\u1ed5i th\u1ecd c\u1ee7a bit n\u00ean c\u1ea7n t\u0103ng g\u00f3c c\u00e0o h\u1ee3p l\u00fd. Tuy nhi\u00ean, n\u1ebfu g\u00f3c sau qu\u00e1 l\u1edbn, c\u1ea1nh ch\u00ednh c\u1ee7a bit s\u1ebd tr\u1edf n\u00ean m\u1ecfng, l\u00e0m gi\u1ea3m \u0111\u1ed9 c\u1ee9ng c\u1ee7a c\u1ea1nh ch\u00ednh, v\u00ec v\u1eady g\u00f3c sau ph\u1ea3i l\u00e0 12-15 \u0111\u1ed9.<\/p>

\u0110\u1ec3 thu h\u1eb9p hom v\u00e0 t\u00e1ch phoi thu\u1eadn l\u1ee3i, ng\u01b0\u1eddi ta m\u1edf c\u00e1c r\u00e3nh t\u00e1ch phoi so le \u1edf hai s\u01b0\u1eddn c\u1ee7a bit.<\/p>

C\u00e1c th\u00f4ng s\u1ed1 c\u1eaft c\u1ee7a bit<\/h2>

Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c th\u00f4ng s\u1ed1 c\u1eaft n\u00ean b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1eaft, v\u00ec t\u1ed1c \u0111\u1ed9 c\u1eaft cao s\u1ebd l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1eaft, v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1eaft cao s\u1ebd l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam \u0111\u1ed9 m\u00f2n c\u1ee7a m\u0169i khoan. Do \u0111\u00f3, vi\u1ec7c ch\u1ecdn t\u1ed1c \u0111\u1ed9 c\u1eaft trong th\u00f4ng s\u1ed1 c\u1eaft l\u00e0 12-15m \/ ph\u00fat l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>

\"\"<\/figure>

T\u1ef7 l\u1ec7 th\u1ee9c \u0103n ph\u00f9 h\u1ee3p<\/p>

T\u1ed1c \u0111\u1ed9 \u0103n dao \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a bit, nh\u01b0ng n\u1ebfu t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao qu\u00e1 nh\u1ecf s\u1ebd l\u00e0m cho bit b\u1ecb c\u1eaft l\u1edbp c\u1ee9ng v\u00e0 l\u00e0m m\u00f2n n\u1eb7ng h\u01a1n; n\u1ebfu t\u1ef7 l\u1ec7 c\u1ea5p li\u1ec7u qu\u00e1 l\u1edbn s\u1ebd l\u00e0m cho \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n. Xem x\u00e9t hai y\u1ebfu t\u1ed1 tr\u00ean, t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao 0,32-0,50mm \/ r l\u00e0 ph\u00f9 h\u1ee3p.<\/p>

Ch\u1ea5t l\u1ecfng c\u1eaft<\/p>

\u0110\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1eaft, nh\u0169 t\u01b0\u01a1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t l\u00e0m m\u00e1t.<\/p>

L\u01b0u \u00fd tr\u01b0\u1edbc khi khoan th\u00e9p kh\u00f4ng g\u1ec9:<\/p>

\u0110\u1ed9 c\u1ee9ng c\u1ee7a bit \u0111\u01b0\u1ee3c ch\u1ecdn ph\u1ea3i cao, \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t t\u1ed1t h\u01a1n v\u00e0 g\u00f3c \u0111\u1ec9nh c\u1ee7a bit l\u1edbn h\u01a1n so v\u1edbi bit th\u00f4ng th\u01b0\u1eddng (130-135 \u0111\u1ed9).<\/p>

\"\"<\/figure>

1. C\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn \u00e2m thanh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5, v\u00e0 r\u00fat d\u1ee5ng c\u1ee5 k\u1ecbp th\u1eddi trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 b\u1ea5t th\u01b0\u1eddng, kh\u00f4ng \u0111\u1ec3 bit l\u01b0u l\u1ea1i tr\u00ean b\u1ec1 m\u1eb7t khoan. \u00a0<\/p>

2. l\u00e0m m\u00e1t ph\u1ea3i \u0111\u1ee7. Ch\u1ea5t l\u1ecfng c\u1eaft l\u00e0 nh\u0169 t\u01b0\u01a1ng \u0111\u1eadm \u0111\u1eb7c.<\/p>

3.Khi ngu\u1ed3n c\u1ea5p d\u1eef li\u1ec7u l\u1edbn h\u01a1n 0,15mm, kh\u00f4ng c\u1ea7n thi\u1ebft ph\u1ea3i c\u1eaft l\u1edbp l\u00e0m c\u1ee9ng gia c\u00f4ng ngu\u1ed9i c\u00e0ng xa c\u00e0ng t\u1ed1t.<\/p>

4. T\u1ed1c \u0111\u1ed9 c\u1eaft ph\u1ea3i c\u00e0ng th\u1ea5p c\u00e0ng t\u1ed1t \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1eaft.<\/p><\/div>","protected":false},"excerpt":{"rendered":"

Concerning stainless steel drill issues, it is mainly solved from the following four aspects:Select the right bit The drill material is suitable Generally, W6Mo5Cr4V2Al, w2mo9cr4co8 and other materials should be used. The disadvantages of these materials are that they are expensive and difficult to purchase. When purchasing the commonly used W18Cr4V ordinary standard high speed…<\/p>","protected":false},"author":2,"featured_media":20479,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[79],"tags":[],"class_list":["post-20478","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-materials-weekly"],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2021\/03\/srchttp_2F2Fimg.chinawj.com_.cn2Fpicture2Fproduct2F20122F10-072F101103488587.jpgreferhttp_2F2Fimg.chinawj.com_.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/20478","targetHints":{"allow":["GET"]}}],"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=20478"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/20478\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media\/20479"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=20478"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=20478"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=20478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}