{"id":20565,"date":"2021-06-16T01:19:03","date_gmt":"2021-06-16T01:19:03","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=20565"},"modified":"2021-10-11T06:06:03","modified_gmt":"2021-10-11T06:06:03","slug":"what-cause-risks-of-unexpected-breakage-on-maching-tool","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/cai-gi-nguyen-nhan-rui-ro-cua-bat-ngo-vo-tren-ban-do-cong-cu\/","title":{"rendered":"Nguy\u00ean nh\u00e2n n\u00e0o g\u00e2y ra r\u1ee7i ro v\u1ee1 kh\u00f4ng mong mu\u1ed1n tr\u00ean Maching Tool?"},"content":{"rendered":"
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1) Thu g\u1ecdn vi m\u00f4 c\u1ea1nh c\u1eaft<\/p>\n\n\n\n
Khi c\u1ea5u tr\u00fac v\u1eadt li\u1ec7u, \u0111\u1ed9 c\u1ee9ng v\u00e0 dung l\u01b0\u1ee3ng cho ph\u00e9p c\u1ee7a ph\u00f4i kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t, g\u00f3c tr\u01b0\u1edbc qu\u00e1 l\u1edbn, \u0111\u1ed9 b\u1ec1n c\u1ee7a l\u01b0\u1ee1i c\u1eaft th\u1ea5p, \u0111\u1ed9 c\u1ee9ng c\u1ee7a h\u1ec7 th\u1ed1ng qu\u00e1 tr\u00ecnh kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 t\u1ea1o ra rung \u0111\u1ed9ng ho\u1eb7c qu\u00e1 tr\u00ecnh c\u1eaft kh\u00f4ng li\u00ean t\u1ee5c. N\u1ebfu ch\u1ea5t l\u01b0\u1ee3ng m\u00e0i c\u1ee7a l\u01b0\u1ee1i c\u1eaft kh\u00f4ng t\u1ed1t, l\u01b0\u1ee1i c\u1eaft d\u1ec5 b\u1ecb x\u1eb9p vi m\u00f4, t\u1ee9c l\u00e0 v\u00f9ng m\u00e9p xu\u1ea5t hi\u1ec7n v\u1ebft x\u1eb9p nh\u1ecf, v\u1ebft kh\u00eda ho\u1eb7c bong tr\u00f3c. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u00f4ng c\u1ee5 s\u1ebd m\u1ea5t m\u1ed9t ph\u1ea7n kh\u1ea3 n\u0103ng c\u1eaft, nh\u01b0ng n\u00f3 s\u1ebd ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng. Trong qu\u00e1 tr\u00ecnh c\u1eaft li\u00ean t\u1ee5c, ph\u1ea7n l\u01b0\u1ee1i b\u1ecb h\u01b0 h\u1ecfng c\u00f3 th\u1ec3 gi\u00e3n n\u1edf nhanh ch\u00f3ng, d\u1eabn \u0111\u1ebfn s\u00e1t th\u01b0\u01a1ng l\u1edbn h\u01a1n.<\/p>\n\n\n\n
2) S\u1ee9t m\u00e9p ho\u1eb7c \u0111\u1ea7u c\u1eaft<\/p>\n\n\n\n
Lo\u1ea1i thi\u1ec7t h\u1ea1i n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u1ea1o ra trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1eaft t\u1ed3i t\u1ec7 h\u01a1n s\u1ef1 s\u1ee5p \u0111\u1ed5 vi m\u00f4 c\u1ee7a l\u01b0\u1ee1i c\u1eaft, ho\u1eb7c s\u1ef1 ph\u00e1t tri\u1ec3n th\u00eam c\u1ee7a s\u1ef1 s\u1ee5p \u0111\u1ed5 vi m\u00f4. K\u00edch th\u01b0\u1edbc v\u00e0 ph\u1ea1m vi c\u1ee7a dao g\u00e3y l\u1edbn h\u01a1n so v\u1edbi g\u00e3y vi m\u00f4 l\u00e0m cho dao m\u1ea5t ho\u00e0n to\u00e0n kh\u1ea3 n\u0103ng c\u1eaft v\u00e0 ph\u1ea3i ng\u1eebng ho\u1ea1t \u0111\u1ed9ng. Tr\u01b0\u1eddng h\u1ee3p \u0111\u1ea7u dao b\u1ecb g\u00e3y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 r\u01a1i \u0111\u1ea7u dao.<\/p>\n\n\n\n
3) L\u01b0\u1ee1i dao ho\u1eb7c d\u1ee5ng c\u1ee5 b\u1ecb h\u1ecfng<\/p>\n\n\n\n
Khi \u0111i\u1ec1u ki\u1ec7n c\u1eaft qu\u00e1 x\u1ea5u, l\u01b0\u1ee3ng c\u1eaft qu\u00e1 l\u1edbn, c\u00f3 t\u1ea3i tr\u1ecdng va \u0111\u1eadp v\u00e0 c\u00f3 v\u1ebft n\u1ee9t nh\u1ecf tr\u00ean l\u01b0\u1ee1i dao ho\u1eb7c v\u1eadt li\u1ec7u d\u1ee5ng c\u1ee5. Khi h\u00e0n v\u00e0 m\u00e0i t\u1ed3n t\u1ea1i \u1ee9ng su\u1ea5t d\u01b0 trong l\u01b0\u1ee1i, v\u00e0 thao t\u00e1c kh\u00f4ng c\u1ea9n th\u1eadn, l\u01b0\u1ee1i ho\u1eb7c d\u1ee5ng c\u1ee5 c\u00f3 th\u1ec3 b\u1ecb g\u00e3y. Sau lo\u1ea1i h\u01b0 h\u1ecfng n\u00e0y, d\u1ee5ng c\u1ee5 kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c n\u00ean c\u00f3 th\u1ec3 b\u1ecb ph\u1ebf th\u1ea3i.<\/p>\n\n\n\n
4) B\u1ec1 m\u1eb7t l\u01b0\u1ee1i bong ra<\/p>\n\n\n\n
\u0110\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 gi\u00f2n cao, ch\u1eb3ng h\u1ea1n nh\u01b0 cacbua xi m\u0103ng, g\u1ed1m s\u1ee9, PCBN c\u00f3 h\u00e0m l\u01b0\u1ee3ng tic cao, l\u1edbp b\u1ec1 m\u1eb7t d\u1ec5 b\u1ecb bong tr\u00f3c do khuy\u1ebft t\u1eadt ho\u1eb7c v\u1ebft n\u1ee9t ti\u1ec1m \u1ea9n trong c\u1ea5u tr\u00fac b\u1ec1 m\u1eb7t, ho\u1eb7c \u1ee9ng su\u1ea5t d\u01b0 tr\u00ean b\u1ec1 m\u1eb7t do h\u00e0n v\u00e0 m\u00e0i c\u1ea1nh . S\u1ef1 bong tr\u00f3c c\u00f3 th\u1ec3 x\u1ea3y ra \u1edf m\u1eb7t tr\u01b0\u1edbc v\u00e0 dao c\u00f3 th\u1ec3 x\u1ea3y ra \u1edf m\u1eb7t sau. V\u1eadt bong tr\u00f3c b\u1ecb bong tr\u00f3c, di\u1ec7n t\u00edch bong tr\u00f3c l\u1edbn. Kh\u1ea3 n\u0103ng bong tr\u00f3c d\u1ee5ng c\u1ee5 ph\u1ee7 l\u00e0 cao. Sau khi l\u01b0\u1ee1i b\u1ecb bong tr\u00f3c nh\u1eb9, n\u00f3 c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng, v\u00e0 kh\u1ea3 n\u0103ng c\u1eaft s\u1ebd m\u1ea5t \u0111i sau khi b\u1ecb bong tr\u00f3c nghi\u00eam tr\u1ecdng.<\/p>\n\n\n\n
5) Bi\u1ebfn d\u1ea1ng d\u1ebbo c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn c\u1eaft<\/p>\n\n\n\n
Do \u0111\u1ed9 b\u1ec1n th\u1ea5p v\u00e0 \u0111\u1ed9 c\u1ee9ng th\u1ea5p, bi\u1ebfn d\u1ea1ng d\u1ebbo c\u00f3 th\u1ec3 x\u1ea3y ra trong c\u00e1c b\u1ed9 ph\u1eadn c\u1eaft c\u1ee7a th\u00e9p v\u00e0 th\u00e9p t\u1ed1c \u0111\u1ed9 cao. Khi cacbua xi m\u0103ng l\u00e0m vi\u1ec7c tr\u1ef1c ti\u1ebfp \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u1ee9ng su\u1ea5t n\u00e9n ba chi\u1ec1u, hi\u1ec7n t\u01b0\u1ee3ng ch\u1ea3y d\u1ebbo b\u1ec1 m\u1eb7t c\u0169ng s\u1ebd x\u1ea3y ra, th\u1eadm ch\u00ed b\u1ec1 m\u1eb7t bi\u1ebfn d\u1ea1ng d\u1ebbo c\u1ee7a l\u01b0\u1ee1i c\u1eaft ho\u1eb7c l\u01b0\u1ee1i c\u1eaft s\u1ebd b\u1ecb x\u1eb9p xu\u1ed1ng. S\u1ef1 s\u1ee5p \u0111\u1ed5 th\u01b0\u1eddng x\u1ea3y ra khi l\u01b0\u1ee3ng c\u1eaft l\u1edbn v\u00e0 v\u1eadt li\u1ec7u c\u1ee9ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd. M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i c\u1ee7a cacbua xim\u0103ng g\u1ed1c TiC nh\u1ecf h\u01a1n m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i c\u1ee7a cacbua xim\u0103ng g\u1ed1c WC, do \u0111\u00f3 lo\u1ea1i tr\u01b0\u1edbc \u0111\u00e2y c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng d\u1ebbo nhanh h\u01a1n ho\u1eb7c h\u1ecfng h\u00f3c. Bi\u1ebfn d\u1ea1ng d\u1ebbo c\u1ee7a PCD v\u00e0 PCBN s\u1ebd kh\u00f4ng x\u1ea3y ra.<\/p>\n\n\n\n
6) V\u1ebft n\u1ee9t n\u00f3ng c\u1ee7a l\u01b0\u1ee1i<\/p>\n\n\n\n
Khi d\u1ee5ng c\u1ee5 ch\u1ecbu t\u1ea3i tr\u1ecdng c\u01a1 v\u00e0 nhi\u1ec7t xen k\u1ebd, ch\u1eafc ch\u1eafn b\u1ec1 m\u1eb7t chi ti\u1ebft c\u1eaft s\u1ebd sinh ra \u1ee9ng su\u1ea5t nhi\u1ec7t xen k\u1ebd do qu\u00e1 tr\u00ecnh gi\u00e3n n\u1edf v\u00e0 co nhi\u1ec7t l\u1eb7p \u0111i l\u1eb7p l\u1ea1i, \u0111i\u1ec1u n\u00e0y s\u1ebd l\u00e0m cho l\u01b0\u1ee1i c\u1eaft b\u1ecb n\u1ee9t do m\u1ecfi. V\u00ed d\u1ee5, khi dao phay cacbua \u1edf ch\u1ebf \u0111\u1ed9 phay t\u1ed1c \u0111\u1ed9 cao, r\u0103ng th\u01b0\u1eddng xuy\u00ean ch\u1ecbu t\u00e1c \u0111\u1ed9ng tu\u1ea7n ho\u00e0n v\u00e0 \u1ee9ng su\u1ea5t nhi\u1ec7t xen k\u1ebd, v\u00e0 c\u00e1c v\u1ebft n\u1ee9t r\u0103ng l\u01b0\u1ee3c xu\u1ea5t hi\u1ec7n tr\u00ean m\u1eb7t tr\u01b0\u1edbc. M\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 d\u1ee5ng c\u1ee5 kh\u00f4ng c\u00f3 t\u1ea3i tr\u1ecdng xen k\u1ebd r\u00f5 r\u00e0ng v\u00e0 \u1ee9ng su\u1ea5t xen k\u1ebd, do nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ec1 m\u1eb7t v\u00e0 l\u1edbp b\u00ean trong kh\u00f4ng ph\u00f9 h\u1ee3p, \u1ee9ng su\u1ea5t nhi\u1ec7t c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra. Ngo\u00e0i ra, kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi nh\u1eefng khuy\u1ebft t\u1eadt \u1edf ph\u1ea7n b\u00ean trong c\u1ee7a v\u1eadt li\u1ec7u d\u1ee5ng c\u1ee5, do \u0111\u00f3, l\u01b0\u1ee1i dao c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c v\u1ebft n\u1ee9t. \u0110\u00f4i khi c\u00f4ng c\u1ee5 c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t th\u1eddi gian sau khi v\u1ebft n\u1ee9t \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh, \u0111\u00f4i khi s\u1ef1 ph\u00e1t tri\u1ec3n v\u1ebft n\u1ee9t nhanh ch\u00f3ng l\u00e0m cho l\u01b0\u1ee1i dao b\u1ecb g\u00e3y ho\u1eb7c b\u1ec1 m\u1eb7t l\u01b0\u1ee1i b\u1ecb bong tr\u00f3c nghi\u00eam tr\u1ecdng.<\/p>\n\n\n\n