{"id":4034,"date":"2020-03-06T08:34:00","date_gmt":"2020-03-06T08:34:00","guid":{"rendered":"https:\/\/www.mcctcarbide.com\/?p=4034"},"modified":"2020-05-06T01:31:44","modified_gmt":"2020-05-06T01:31:44","slug":"fault-diagnosis-of-integral-carbide-drilling-bar","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/loi-chan-doan-cua-tich-hop-cacbua-khoan-thanh\/","title":{"rendered":"Ch\u1ea9n \u0111o\u00e1n l\u1ed7i c\u1ee7a thanh khoan cacbua t\u00edch h\u1ee3p"},"content":{"rendered":"<div class=\"vgblk-rw-wrapper limit-wrapper\"><p><strong>Vi\u1ec7c x\u1eed l\u00fd s\u1ef1 c\u1ed1 khi v\u1eadn h\u00e0nh gia c\u00f4ng l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 kh\u00f3 kh\u0103n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c quy tr\u00ecnh khoan. C\u00e1c l\u00fd do nh\u01b0 sau: khi gia c\u00f4ng cho b\u1ed9 ph\u1eadn b\u00ean ngo\u00e0i, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y nguy\u00ean nh\u00e2n g\u00e2y ra s\u1ef1 c\u1ed1 cho c\u00f4ng c\u1ee5: tuy nhi\u00ean, khi c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c gi\u1ea5u trong l\u1ed7 \u0111\u1ec3 khoan, b\u1ea1n kh\u00f4ng th\u1ec3 th\u1ea5y c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 c\u1ee7a c\u00f4ng c\u1ee5 trong qu\u00e1 tr\u00ecnh gia c\u00f4ng.<\/strong><\/p><p><strong>N\u1ebfu b\u1ea1n \u0111\u00e3 th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 thao t\u00e1c khoan v\u00e0 gia c\u00f4ng n\u00e0o, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi khoan l\u1ed7 b\u1eb1ng m\u0169i khoan cacbua, b\u1ea1n c\u00f3 th\u1ec3 c\u00f3 kinh nghi\u1ec7m r\u1eb1ng \u1ed1ng khoan \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed \u1edf \u0111\u01b0\u1eddng trung t\u00e2m c\u1ee7a l\u1ed7 ho\u1eb7c h\u01a1i cao h\u01a1n \u0111\u01b0\u1eddng trung t\u00e2m c\u1ee7a l\u1ed7 v\u00e0 \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a \u1ed1ng khoan \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u kh\u00f4ng l\u1edbn h\u01a1n \u0111\u01b0\u1eddng k\u00ednh l\u1ed7. N\u00f3 c\u00f3 v\u1ebb t\u1ed1t. Ki\u1ec3m tra ch\u01b0\u01a1ng tr\u00ecnh th\u00f4ng qua. B\u1ea1n ngh\u0129 r\u1eb1ng c\u00e1c thi\u1ebft l\u1eadp l\u00e0 \u0111\u00fang. B\u1ea1n nh\u1ea5n n\u00fat b\u1eaft \u0111\u1ea7u. Ch\u1ea5t l\u00e0m m\u00e1t b\u1eaft \u0111\u1ea7u phun kh\u1eafp n\u01a1i v\u00e0 b\u1ea1n kh\u00f4ng nh\u1eadn th\u1ea5y \u0111i\u1ec1u g\u00ec b\u1ea5t th\u01b0\u1eddng tr\u01b0\u1edbc khi ng\u01b0\u1eddi gi\u1eef \u1ed1ng khoan r\u1eddi ph\u00f4i. V\u00e0o th\u1eddi \u0111i\u1ec3m \u0111\u00f3, lo l\u1eafng l\u1edbn nh\u1ea5t c\u1ee7a b\u1ea1n \u0111\u00e3 x\u1ea3y ra - k\u1ebft th\u00fac cu\u1ed9c t\u1eadp tr\u1eadn b\u1ecb m\u1ea5t t\u00edch<\/strong><strong><\/strong><\/p><p><strong>Khi \u0111i\u1ec1u n\u00e0y x\u1ea3y ra, l\u00fd do th\u00f4ng th\u01b0\u1eddng l\u00e0 c\u00e1c chip gia c\u00f4ng ho\u1eb7c \u1ed1ng khoan c\u1ed1 g\u1eafng khoan v\u00e0o ph\u1ea7n cu\u1ed1i c\u1ee7a l\u1ed7 m\u00f9. Sau khi ki\u1ec3m tra, n\u1ebfu ph\u1ea7n tr\u00ean c\u00f9ng c\u1ee7a \u1ed1ng khoan v\u1eabn c\u00f2n trong l\u1ed7 v\u00e0 kh\u00f3 th\u00e1o ra, th\u00ec l\u1ed7 \u0111\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ee9a \u0111\u1ea7y chip, v\u00e0 b\u1ea1n s\u1ebd t\u00ecm th\u1ea5y nguy\u00ean nh\u00e2n c\u1ee7a s\u1ef1 c\u1ed1 th\u1ea3m kh\u1ed1c. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u00e0i \u0111\u1eb7t c\u00e1c tham s\u1ed1 c\u1eaft, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9 s\u00e2u c\u1eaft v\u00e0 t\u1ed1c \u0111\u1ed9 n\u1ea1p, d\u1eabn \u0111\u1ebfn nhi\u1ec1u chip kh\u00f4ng th\u1ec3 x\u1ea3 k\u1ecbp th\u1eddi. Gi\u1ea3i ph\u00e1p l\u00e0 s\u1eed d\u1ee5ng \u1ed1ng khoan \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf h\u01a1n n\u1ebfu c\u00f3 th\u1ec3. M\u1eb7t kh\u00e1c, c\u00e1c th\u00f4ng s\u1ed1 c\u1eaft ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1ea3m \u0111\u1ec3 gi\u1ea3m l\u01b0\u1ee3ng chip s\u1ea3n xu\u1ea5t. N\u1ebfu \u0111\u1ea7u \u1ed1ng khoan b\u1ecb v\u1ee1 kh\u00f4ng n\u1eb1m trong l\u1ed7, ho\u1eb7c b\u1ecb l\u1ecfng trong l\u1ed7 v\u00e0 b\u1ecb gi\u1edbi h\u1ea1n trong l\u1ed7 \u0111\u1ec3 kh\u00f4ng th\u1ec3 r\u00fat \u1ed1ng khoan, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed khoan \u1ed1ng khoan s\u00e2u h\u01a1n. Kh\u00f4ng th\u1ec3 ho\u00e0n th\u00e0nh ho\u1ea1t \u0111\u1ed9ng khoan nh\u01b0 v\u1eady v\u1edbi m\u1ed9t \u1ed1ng khoan v\u00e0o th\u1eddi \u0111i\u1ec3m n\u00e0y!<\/strong><strong><\/strong><\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/4_\u56fe\u72477.png\" alt=\"\" class=\"wp-image-4035\" title=\"\"><\/figure><h2 class=\"wp-block-heading\"><strong>Rampant m\u1eb7c<\/strong><strong><\/strong><\/h2><p><strong>Sau khi th\u1ef1c hi\u1ec7n c\u00e1c \u0111i\u1ec1u ch\u1ec9nh c\u1ea7n thi\u1ebft, \u1ed1ng khoan c\u00f3 th\u1ec3 ho\u00e0n th\u00e0nh qu\u00e1 tr\u00ecnh x\u1eed l\u00fd l\u1ed7 m\u00e0 kh\u00f4ng g\u1eb7p s\u1ef1 c\u1ed1 th\u1ea3m kh\u1ed1c, nh\u01b0ng n\u1ebfu b\u1ea1n l\u00ean k\u1ebf ho\u1ea1ch s\u1ed1 l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m s\u1ebd \u0111\u01b0\u1ee3c x\u1eed l\u00fd trong m\u1ed7i ca x\u1eed l\u00fd th\u00ec kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c. B\u1edfi v\u00ec b\u1ea1n ngh\u0129 r\u1eb1ng \u1ed1ng khoan thay \u0111\u1ed5i qu\u00e1 th\u01b0\u1eddng xuy\u00ean. Sau khi ki\u1ec3m tra \u1ed1ng khoan, x\u00e1c \u0111\u1ecbnh r\u1eb1ng \u0111\u1ed9 m\u00e0i m\u00f2n c\u1ee7a l\u01b0\u1ee1i c\u1eaft \u0111\u01b0\u1ee3c t\u0103ng l\u00ean.<\/strong><strong><\/strong><\/p><p><strong>Tuy nhi\u00ean, nguy\u00ean nh\u00e2n c\u1ee7a s\u1ef1 hao m\u00f2n nhanh ch\u00f3ng d\u1ec5 b\u1ecb \u0111\u00e1nh gi\u00e1 sai. N\u00f3i chung, v\u1edbi qu\u00e1 tr\u00ecnh gia c\u00f4ng, c\u1eaft ho\u1eb7c ch\u1ebb kh\u00f4ng li\u00ean t\u1ee5c s\u1ebd d\u1eabn \u0111\u1ebfn s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c l\u1ed7 nh\u1ecf tr\u00ean c\u1ea1nh t\u01b0\u01a1ng t\u1ef1 nh\u01b0 s\u1ef1 hao m\u00f2n c\u1ee7a m\u1eb7t sau. Ngo\u00e0i ra, s\u1ef1 m\u00e0i m\u00f2n c\u1ee7a b\u1ec1 m\u1eb7t dao c\u1eaft ph\u00eda sau c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u t\u1eeb c\u1ea1nh k\u1ebft h\u1ee3p c\u1ee7a b\u1ec1 m\u1eb7t tr\u00ean c\u1ee7a \u1ed1ng khoan. \u0110i\u1ec1u n\u00e0y l\u00e0 do nhi\u1ec7t v\u00e0 \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o ra trong qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh chip khi\u1ebfn ph\u00f4i \u0111\u01b0\u1ee3c h\u00e0n v\u00e0o b\u1ec1 m\u1eb7t tr\u00ean c\u1ee7a \u1ed1ng khoan. Ngo\u00e0i ra, trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, hi\u1ec7u \u1ee9ng h\u00e0n s\u1ebd \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng do c\u00e1c m\u1ea3nh v\u1ee5n cacbua nh\u1ecf t\u00e1ch ra kh\u1ecfi \u1ed1ng khoan. \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh xem c\u00f3 m\u1ed9t \u0111i\u1ec1u ki\u1ec7n cho s\u1ef1 m\u00e0i m\u00f2n b\u00ean c\u1ee7a \u1ed1ng khoan, m\u1ed9t ho\u1eb7c hai l\u1ed7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c khoan v\u00e0 sau \u0111\u00f3 ki\u1ec3m tra cho phi\u1ebfn ho\u1eb7c phoi. \u00c1p su\u1ea5t ho\u1eb7c nhi\u1ec7t ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1ea3m \u0111\u1ec3 gi\u1ea3m swarf. L\u00fd do c\u1ee7a \u00e1p l\u1ef1c l\u00e0 \u0111\u1ed9 s\u00e2u c\u1eaft v\u00e0 t\u1ef7 l\u1ec7 cho \u0103n qu\u00e1 cao. Gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng c\u1eaft gi\u1ea3m \u00e1p l\u1ef1c v\u00e0 nhi\u1ec7t, nh\u01b0ng c\u0169ng n\u0103ng su\u1ea5t. M\u1ed9t thay \u0111\u1ed5i th\u1ef1c t\u1ebf h\u01a1n l\u00e0 vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 tr\u00e1ng. L\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m nhi\u1ec7t sinh ra b\u1edfi d\u1ee5ng c\u1ee5 di chuy\u1ec3n tr\u00ean b\u1ec1 m\u1eb7t c\u1eaft. \u0110\u1ed1i v\u1edbi l\u1edbp ph\u1ee7 m\u1ecfng, l\u1eafng \u0111\u1ecdng h\u01a1i v\u1eadt l\u00fd c\u00f3 hi\u1ec7u qu\u1ea3 h\u01a1n so v\u1edbi l\u1eafng \u0111\u1ecdng h\u01a1i h\u00f3a h\u1ecdc, l\u00e0m cho c\u1ea1nh c\u1ee7a d\u1ee5ng c\u1ee5 tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n.<\/strong><strong><\/strong><\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/4_\u56fe\u72478.png\" alt=\"\" class=\"wp-image-4036\" title=\"\"><\/figure><h2 class=\"wp-block-heading\"><strong>l\u00e0m m\u00e1t<\/strong><strong><\/strong><\/h2><p><strong>N\u00f3i chung, ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u1ea5t l\u00e0m m\u00e1t. \u0110\u1ed1i v\u1edbi gia c\u00f4ng \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i, n\u00f3 l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u00e0m m\u00e1t ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01a1n gi\u1ea3n. Nh\u01b0ng khoan m\u1ed9t l\u1ed7 nh\u1ecf c\u00f3 th\u1ec3 kh\u00f3 kh\u0103n, b\u1edfi v\u00ec l\u1ed7 \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y m\u1ed9t ph\u1ea7n v\u1edbi \u1ed1ng khoan v\u00e0 chip kim lo\u1ea1i n\u00f3ng, c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t. Do \u0111\u01b0\u1eddng \u1ed1ng l\u00e0m m\u00e1t g\u1ea7n l\u1ed7 th\u01b0\u1eddng b\u1ecb ch\u1eb7n, c\u00e1ch t\u1ed1t nh\u1ea5t l\u00e0 cung c\u1ea5p ch\u1ea5t l\u00e0m m\u00e1t qua gi\u00e1 \u0111\u1ee1 \u1ed1ng khoan. \u0110\u00f3 l\u00e0 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 cung c\u1ea5p \u0111\u1ee7 ch\u1ea5t l\u00e0m m\u00e1t xung quanh chu vi c\u1ee7a \u1ed1ng khoan \u0111\u1ec3 gi\u1ea3m thi\u1ec3u s\u1ee9c c\u1ea3n c\u1ee7a ch\u1ea5t l\u00e0m m\u00e1t th\u00f4ng qua \u0111\u01b0\u1eddng d\u1eabn v\u00e0 \u0111i v\u00e0o \u0111\u00e1y c\u1ee7a l\u1ed7.<\/strong><strong><\/strong><\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/3_\u56fe\u72479.png\" alt=\"\" class=\"wp-image-4037\" title=\"\"><\/figure><p><strong>N\u00f3i chung, \u0111i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i \u0111\u1ecbnh v\u1ecb m\u1ed9t s\u1ed1 \u0111\u01b0\u1eddng d\u1eabn l\u00e0m m\u00e1t, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t \u1edf m\u1ed9t b\u00ean c\u1ee7a c\u1ea1nh c\u1eaft, b\u00ean kia tr\u00ean \u0111\u1ec9nh c\u1ee7a \u1ed1ng khoan v\u00e0 b\u00ean kia \u1edf ph\u00eda sau \u0111\u1ed1i di\u1ec7n v\u1edbi c\u1ea1nh c\u1eaft. \u0110\u1ec3 l\u00e0m m\u00e1t \u0111\u1ea7y \u0111\u1ee7. D\u1ee5ng c\u1ee5 c\u1eaft khoa h\u1ecdc s\u1eed d\u1ee5ng tay c\u1ea7m c\u1ee7a c\u00f4ng ngh\u1ec7 v\u00f2ng l\u00e0m m\u00e1t \u0111\u1ec3 l\u00e0m cho ch\u1ea5t l\u00e0m m\u00e1t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng theo h\u01b0\u1edbng ngo\u1ea1i vi c\u1ee7a \u1ed1ng khoan, c\u0169ng bao g\u1ed3m ch\u1ea5t l\u00e0m m\u00e1t lo\u1ea1i \u1ed1ng \u1ed1ng.<\/strong><strong><\/strong><\/p><p><strong>N\u1ebfu d\u1ee5ng c\u1ee5 b\u1ecb h\u1ecfng sau khi khoan m\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn, nguy\u00ean nh\u00e2n r\u1ea5t c\u00f3 th\u1ec3 l\u00e0 do s\u1ef1 gi\u00e1n \u0111o\u1ea1n c\u1ee7a qu\u00e1 tr\u00ecnh gia c\u00f4ng, ch\u1eb3ng h\u1ea1n nh\u01b0 khi gia c\u00f4ng c\u00e1c l\u1ed7 ch\u00e9o ho\u1eb7c r\u00e3nh. \u0110\u1ec3 tr\u00e1nh s\u1ef1 gi\u00e1n \u0111o\u1ea1n c\u1ee7a qu\u00e1 tr\u00ecnh khoan, c\u00f4ng c\u1ee5 c\u1ea7n c\u00f3 b\u00e1n k\u00ednh c\u1ee7a fillet \u0111\u1ea7u ho\u1eb7c c\u1ea1nh c\u1eaft, ho\u1eb7c c\u1ea3 hai.<\/strong><strong><\/strong><\/p><p><strong>N\u1ebfu nguy\u00ean nh\u00e2n c\u1ee7a v\u1ebft n\u1ee9t kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 gi\u00e1n \u0111o\u1ea1n c\u1ee7a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd, th\u00ec th\u1ee7 ph\u1ea1m r\u1ea5t c\u00f3 th\u1ec3 l\u00e0 s\u1ef1 rung \u0111\u1ed9ng. Rung t\u01b0\u01a1ng t\u1ef1 nh\u01b0 gi\u00e1n \u0111o\u1ea1n gia c\u00f4ng \u1edf ch\u1ed7 khi c\u00f4ng c\u1ee5 b\u1ecb u\u1ed1n cong, n\u00f3 di chuy\u1ec3n xu\u1ed1ng v\u00e0 sau \u0111\u00f3 l\u00ean trong khi c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c th\u01b0 gi\u00e3n. V\u00ec v\u1eady, \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng gi\u1eefa v\u00e0o c\u1ea1nh c\u1eaft. Gi\u1ea3i ph\u00e1p c\u00f3 th\u1ec3 l\u00e0 t\u0103ng t\u1ef7 l\u1ec7 th\u1ee9c \u0103n. N\u1ebfu t\u1ed1c \u0111\u1ed9 n\u1ea1p \u0111\u01b0\u1ee3c t\u0103ng th\u00eam 10%, \u00e1p su\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng ho\u00e0n to\u00e0n, \u0111\u1ec3 c\u00f4ng c\u1ee5 \u1edf tr\u1ea1ng th\u00e1i l\u1ec7ch, \u0111\u1ec3 tr\u00e1nh n\u1edbi l\u1ecfng v\u00e0 rung.<\/strong><strong><\/strong><\/p><p><strong>Sau khi ch\u1ea9n \u0111o\u00e1n v\u00e0 x\u00e1c \u0111\u1ecbnh hao m\u00f2n m\u1eb7t sau, m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 hao m\u00f2n m\u1eb7t sau \u0111\u00e3 \u0111\u01b0a ra k\u1ebft lu\u1eadn r\u1eb1ng vi\u1ec7c gi\u1ea3m t\u1ed1c \u0111\u1ed9 c\u1eaft s\u1ebd l\u00e0m thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 tu\u1ed5i th\u1ecd c\u1ee7a d\u1ee5ng c\u1ee5, do \u0111\u00f3 tr\u00e1nh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a c\u00f4ng c\u1ee5 do s\u1ef1 hao m\u00f2n qu\u00e1 m\u1ee9c c\u1ee7a m\u1eb7t sau. V\u00ed d\u1ee5: khi t\u1ed1c \u0111\u1ed9 c\u1eaft gi\u1ea3m t\u1eeb 400ft \/ ph\u00fat xu\u1ed1ng 300ft \/ ph\u00fat, tu\u1ed5i th\u1ecd c\u00f4ng c\u1ee5 s\u1ebd \u0111\u01b0\u1ee3c k\u00e9o d\u00e0i t\u1eeb 12 ph\u00fat \u0111\u1ebfn 40 ph\u00fat. \u0110\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 s\u1ea3n xu\u1ea5t, ch\u00fang ta n\u00ean lu\u00f4n lu\u00f4n coi tr\u1ecdng v\u00e0 gi\u1ea3i quy\u1ebft k\u1ecbp th\u1eddi. Nh\u01b0ng \u0111\u1eebng ph\u00e1n x\u00e9t ch\u1ebf \u0111\u1ed9 th\u1ea5t b\u1ea1i qu\u00e1 nhanh. Ph\u00e1n \u0111o\u00e1n sai c\u00f3 th\u1ec3 c\u00f3 t\u00e1c d\u1ee5ng ng\u01b0\u1ee3c l\u1ea1i, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0m cho v\u1ea5n \u0111\u1ec1 t\u1ed3i t\u1ec7 h\u01a1n.<\/strong><strong><\/strong><\/p><\/div><!-- .vgblk-rw-wrapper -->","protected":false},"excerpt":{"rendered":"<p>The trouble shooting of machining operation is a difficult task, especially in the processes of drilling. The reasons are as follows: when machining for the external part, you can see the causes of tool failure: however, when the tool is hidden in the hole for drilling, you can not see the specific conditions of the&#8230;<\/p>","protected":false},"author":2,"featured_media":19274,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[92],"tags":[],"class_list":["post-4034","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cutting-tools-weekly"],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/03\/\u56fe\u72471-4.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/4034","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=4034"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/4034\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media\/19274"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=4034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=4034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=4034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}