{"id":16762,"date":"2022-11-02T09:01:44","date_gmt":"2022-11-02T09:01:44","guid":{"rendered":"https:\/\/ixox.net\/?p=16762"},"modified":"2024-07-18T17:14:41","modified_gmt":"2024-07-18T10:14:41","slug":"han-che-mon-canh-cat-dao-phay","status":"publish","type":"post","link":"https:\/\/ixox.net\/han-che-mon-canh-cat-dao-phay\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 h\u1ea1n ch\u1ebf m\u00f2n c\u1ea1nh c\u1eaft tr\u00ean dao phay"},"content":{"rendered":"
Trong gia c\u00f4ng phay, ki\u1ec3m so\u00e1t hi\u1ec7u qu\u1ea3 c\u00e1c l\u1ef1c c\u01a1 h\u1ecdc s\u1ebd gi\u00fap \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd d\u1ee5ng c\u1ee5 c\u1eaft cao h\u01a1n.\u00a0<\/strong><\/span><\/p>\n <\/p>\n Phay l\u00e0 ho\u1ea1t \u0111\u1ed9ng gia c\u00f4ng m\u00e0 v\u1eadt li\u1ec7u ph\u00f4i \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf nh\u1edd chuy\u1ec3n \u0111\u1ed9ng xoay tr\u00f2n c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft (dao phay). Kh\u00f4ng gi\u1ed1ng nh\u01b0 ti\u1ec7n, c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh l\u00e0 \u0111\u1ed1i x\u1ee9ng qua m\u1ed9t tr\u1ee5c v\u00e0 d\u1ee5ng c\u1ee5 c\u1eaft l\u00e0 duy nh\u1ea5t th\u01b0\u1eddng c\u00f3 d\u1ea1ng h\u00ecnh thoi, trong khi phay, ph\u00f4i chuy\u1ec3n \u0111\u1ed9ng theo 3 tr\u1ee5c v\u00e0 dao phay th\u00ec c\u00f3 nhi\u1ec1u c\u1ea1nh c\u1eaft, t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c c\u1ea1nh c\u1eaft v\u1edbi ph\u00f4i gi\u00fap lo\u1ea1i b\u1ecf phoi, mang \u0111\u1ebfn h\u00ecnh d\u1ea1ng ph\u00f4i theo y\u00eau c\u1ea7u. Do \u0111\u00f3, trong gia c\u00f4ng phay, va \u0111\u1eadp gi\u1eefa c\u1ea1nh c\u1eaft v\u00e0 ph\u00f4i di\u1ec5n ra li\u00ean t\u1ee5c, khi\u1ebfn n\u00f3 d\u1ec5 g\u00e2y m\u00f2n c\u1ea1nh c\u1eaft h\u01a1n trong ti\u1ec7n.<\/span><\/p>\n Ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean \u00e1p d\u1ee5ng m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c b\u1ec1 m\u1eb7t gia c\u00f4ng ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 tr\u00e1nh m\u00e0i m\u00f2n qu\u00e1 m\u1ee9c cho c\u00e1c c\u1ea1nh c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft.<\/span><\/p>\n Trong phay thu\u1eadn, chuy\u1ec3n \u0111\u1ed9ng quay c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft c\u00f3 c\u00f9ng h\u01b0\u1edbng v\u1edbi chi\u1ec1u ti\u1ebfn c\u1ee7a b\u00e0n m\u00e1y; trong phay ngh\u1ecbch th\u00ec ng\u01b0\u1ee3c l\u1ea1i, h\u01b0\u1edbng quay c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft ng\u01b0\u1ee3c h\u01b0\u1edbng v\u1edbi chi\u1ec1u ti\u1ebfn c\u1ee7a b\u00e0n m\u00e1y.\u00a0<\/span><\/p>\n Khi c\u1ea7n \u01b0u ti\u00ean ch\u1ed1ng l\u1ea1i vi\u1ec7c l\u01b0\u1ee1i c\u1eaft b\u1ecb m\u00e0i m\u00f2n qu\u00e1 m\u1ee9c, phay thu\u1eadn th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n v\u00ec nh\u1eefng l\u00fd do sau:<\/span><\/p>\n Ch\u1ec9 trong m\u1ed9t s\u1ed1 \u00edt tr\u01b0\u1eddng h\u1ee3p, vi\u1ec7c phay ngh\u1ecbch \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn. V\u00ed d\u1ee5, trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u1ea3i n\u1eb7ng ho\u1eb7c v\u1edbi c\u00e1c m\u00e1y c\u0169 v\u00e0 kh\u00f4ng \u1ed5n \u0111\u1ecbnh, do qu\u00e1 tr\u00ecnh phay thu\u1eadn t\u1ea1o ra c\u00e1c l\u1ef1c \u0111i xu\u1ed1ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c chuy\u1ec3n \u0111\u1ed9ng kh\u00f4ng mong mu\u1ed1n c\u1ee7a ph\u00f4i.<\/span><\/p>\n Ngo\u00e0i ra, v\u1edbi phay thu\u1eadn, d\u1ee5ng c\u1ee5 c\u1eaft b\u1eaft \u0111\u1ea7u c\u1eaft phoi tr\u00ean \u0111\u1ed9 d\u00e0y t\u1ed1i \u0111a c\u1ee7a phoi. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 d\u1ee5ng c\u1ee5 ph\u1ea3i ch\u1ecbu t\u1ea3i tr\u1ecdng c\u01a1 h\u1ecdc cao v\u00e0 \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1ee5ng c\u1ee5 \u0111\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c bi\u1ebfn d\u1ea1ng n\u00e0y. C\u00e1c m\u1ea3nh c\u1eaft v\u00e0 dao phay ng\u00f3n hi\u1ec7n nay \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng carbide, th\u00e9p gi\u00f3 ho\u1eb7c ceramic s\u1ebd \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu l\u1ef1c n\u00e9n cao.<\/span><\/p>\n Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, ch\u00fang ta ph\u1ea3i ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c ho\u1ea1t \u0111\u1ed9ng gia c\u00f4ng th\u00f4 v\u00e0 gia c\u00f4ng tinh. Trong qu\u00e1 tr\u00ecnh gia c\u00f4ng th\u00f4, c\u00e1c l\u01b0\u1ee1i c\u1eaft ph\u1ea3i ch\u1ecbu \u201cc\u00e1c c\u00fa s\u1ed1c nhi\u1ec7t\u201d do s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9, g\u00e2y ra \u201cc\u00e1c v\u1ebft n\u1ee9t nhi\u1ec7t\u201d. Nguy\u00ean t\u1eafc chung l\u00e0 th\u1ef1c hi\u1ec7n gia c\u00f4ng th\u00f4 th\u00f4ng qua phay kh\u00f4 (dry milling), trong khi gia c\u00f4ng tinh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng d\u1ea7u l\u00e0m m\u00e1t (wet milling). Th\u1ef1c t\u1ebf qu\u00e1 tr\u00ecnh phay tinh, c\u00e1c bi\u1ebfn th\u1ec3 nhi\u1ec7t c\u1ea7n \u0111\u01b0\u1ee3c h\u1ea1n ch\u1ebf h\u01a1n.<\/span><\/p>\n D\u1ea7u l\u00e0m m\u00e1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u ph\u00f4i kh\u00e1c nhau nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9, nh\u00f4m, h\u1ee3p kim ch\u1ecbu nhi\u1ec7t, gang, n\u00f3 r\u1ea5t h\u1eefu \u00edch \u0111\u1ec3 lo\u1ea1i b\u1ecf b\u1ee5i b\u1ea9n v\u00e0 l\u00e0m ngu\u1ed9i chi ti\u1ebft.<\/span><\/p>\nPhay ngh\u1ecbch v\u00e0 phay thu\u1eadn: ch\u1ecdn nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/span><\/h2>\n
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Khi n\u00e0o c\u1ea7n d\u00f9ng d\u1ea7u c\u1eaft g\u1ecdt?<\/b><\/span><\/h2>\n
Ki\u1ec3m so\u00e1t rung \u0111\u1ed9ng<\/b><\/span><\/h2>\n