{"id":16026,"date":"2022-07-12T10:19:08","date_gmt":"2022-07-12T10:19:08","guid":{"rendered":"https:\/\/ixox.net\/?p=16026"},"modified":"2024-07-18T16:23:09","modified_gmt":"2024-07-18T09:23:09","slug":"toc-do-cat-va-toc-do-tien-dao-trong-gia-cong-co-khi","status":"publish","type":"post","link":"https:\/\/ixox.net\/toc-do-cat-va-toc-do-tien-dao-trong-gia-cong-co-khi\/","title":{"rendered":"T\u1ed1c \u0111\u1ed9 c\u1eaft v\u00e0 t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao l\u00e0 g\u00ec? B\u1ea1n \u0111\u00e3 th\u1ef1c s\u1ef1 hi\u1ec3u"},"content":{"rendered":"
<\/p>\n
Gia c\u00f4ng b\u1eb1ng \u0111i\u1ec1u khi\u1ec3n k\u1ef9 thu\u1eadt s\u1ed1 qua m\u00e1y t\u00ednh (CNC) l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi v\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i cao c\u1ee7a n\u00f3. M\u1ed9t l\u00fd do quan tr\u1ecdng kh\u00e1c gi\u00fap cho m\u00e1y CNC \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn nhi\u1ec1u l\u00e0 v\u00ec n\u00f3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c c\u00e1c chuy\u1ec3n \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u1ed1i gi\u1eefa ph\u00f4i v\u00e0 d\u1ee5ng c\u1ee5 c\u1eaft m\u1ed9t c\u00e1ch linh ho\u1ea1t.<\/span><\/p>\n Ch\u00fang ta c\u00f3 th\u1ec3 ph\u00e2n lo\u1ea1i chuy\u1ec3n \u0111\u1ed9ng tr\u00ean th\u00e0nh chuy\u1ec3n \u0111\u1ed9ng c\u1eaft v\u00e0 chuy\u1ec3n \u0111\u1ed9ng \u0103n dao tr\u00ean ph\u00f4i, \u0111o ch\u00fang b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng t\u1ed1c \u0111\u1ed9 c\u1eaft v\u00e0 t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao (hay b\u01b0\u1edbc ti\u1ebfn dao).\u00a0<\/span><\/p>\n Nh\u01b0ng t\u1ed1c \u0111\u1ed9 c\u1eaft l\u00e0 g\u00ec v\u00e0 n\u00f3 kh\u00e1c v\u1edbi t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao nh\u01b0 th\u1ebf n\u00e0o? V\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 c\u00e1c th\u00f4ng s\u1ed1 gia c\u00f4ng n\u00e0y \u0111\u00f3ng g\u00f3p v\u00e0o th\u00e0nh c\u00f4ng c\u1ee7a d\u1ef1 \u00e1n s\u1ea3n xu\u1ea5t. B\u00e0i vi\u1ebft n\u00e0y tr\u1ea3 l\u1eddi t\u1ea5t c\u1ea3 nh\u1eefng c\u00e2u h\u1ecfi n\u00e0y v\u00e0 h\u01a1n th\u1ebf n\u1eefa.<\/span><\/p>\n \u0110\u1ec3 gi\u00fap b\u1ea1n d\u1ec5 hi\u1ec3u h\u01a1n v\u1ec1 hai thu\u1eadt ng\u1eef n\u00e0y, ch\u00fang ta h\u00e3y xem x\u00e9t m\u1ed9t v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n v\u1ec1 m\u1ed9t chi\u1ebfc \u00f4 t\u00f4 \u0111ang chuy\u1ec3n \u0111\u1ed9ng v\u1edbi t\u1ed1c \u0111\u1ed9 tuy\u1ebfn t\u00ednh 60 km\/gi\u1edd v\u1edbi c\u00e1c b\u00e1nh xe quay \u1edf t\u1ed1c \u0111\u1ed9 500 v\u00f2ng\/ph\u00fat.<\/span><\/p>\n B\u1ea1n c\u00f3 \u0111\u1ed3ng \u00fd r\u1eb1ng \u0111\u01b0\u1eddng k\u00ednh v\u00e0 v\u00f2ng quay c\u1ee7a b\u00e1nh xe ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a t\u00f4 t\u00f4 d\u1ecdc theo m\u1ed9t con \u0111\u01b0\u1eddng tr\u1ea3i nh\u1ef1a. Nh\u01b0ng khi m\u00f4 t\u1ea3 t\u1ed1c \u0111\u1ed9 c\u1ee7a chi\u1ebfc xe cho m\u1ed9t ng\u01b0\u1eddi kh\u00e1c, b\u1ea1n s\u1ebd gi\u1ea3i th\u00edch n\u00f3 theo \u0111\u01a1n v\u1ecb km\/gi\u1edd.<\/span><\/p>\n T\u1ed1c \u0111\u1ed9 c\u1eaft c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi v\u1eadn t\u1ed1c tuy\u1ebfn t\u00ednh c\u1ee7a t\u00f4 t\u00f4, ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u01b0\u1eddng k\u00ednh b\u00e1nh xe v\u00e0 RPM (s\u1ed1 v\u00f2ng quay tr\u00ean ph\u00fat). N\u00f3 th\u1ec3 hi\u1ec7n \u0111o\u1ea1n \u0111\u01b0\u1eddng di chuy\u1ec3n \u0111\u01b0\u1ee3c c\u1ee7a l\u01b0\u1ee1i c\u1eaft \u0111\u1ed1i v\u1edbi m\u1eb7t gia c\u00f4ng trong m\u1ed9t \u0111\u01a1n v\u1ecb th\u1eddi gian. T\u1ed1c \u0111\u1ed9 c\u1eaft \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng milimet tr\u00ean ph\u00fat (mm\/ph\u00fat), m\u00e9t tr\u00ean ph\u00fat (m\/ph\u00fat) ho\u1eb7c feet tr\u00ean ph\u00fat (ft\/ph\u00fat).<\/span><\/p>\n <\/p>\n Ng\u01b0\u1ee3c l\u1ea1i, ch\u00fang ta c\u00f3 th\u1ec3 so s\u00e1nh t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao v\u1edbi v\u00f2ng quay c\u1ee7a c\u00e1c b\u00e1nh xe trong v\u00ed d\u1ee5 tr\u00ean. T\u1ed1c \u0111\u1ed9 ti\u1ebfn dao ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 kho\u1ea3ng c\u00e1ch m\u00e0 d\u1ee5ng c\u1ee5 c\u1eaft di chuy\u1ec3n trong m\u1ed9t v\u00f2ng quay c\u1ee7a tr\u1ee5c ch\u00ednh. N\u00f3 c\u0169ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 v\u1eadn t\u1ed1c t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a dao c\u1eaft ti\u1ebfn d\u1ecdc theo ph\u00f4i. Ch\u00fang ta \u0111o t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao b\u1eb1ng milimet tr\u00ean m\u1ed7i v\u00f2ng quay (mm\/v\u00f2ng quay) ho\u1eb7c b\u1eb1ng inch tr\u00ean m\u1ed7i v\u00f2ng quay (inch\/v\u00f2ng quay) cho c\u00e1c quy tr\u00ecnh ti\u1ec7n v\u00e0 doa. Tuy nhi\u00ean, trong quy tr\u00ecnh phay th\u00ec ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng \u0111\u01a1n v\u1ecb milimets tr\u00ean ph\u00fat (mm\/ph\u00fat) ho\u1eb7c inch tr\u00ean ph\u00fat (inch\/ph\u00fat).<\/span><\/p>\n <\/p>\n Xem l\u1ea1i v\u00ed d\u1ee5 tr\u00ean v\u1ec1 \u00f4 t\u00f4, m\u1ed9t b\u00e1nh xe quay \u1edf t\u1ed1c \u0111\u1ed9 RPM cao h\u01a1n c\u00f3 th\u1ec3 s\u1ebd ti\u00eau th\u1ee5 nhi\u1ec1u \u0111i\u1ec7n n\u0103ng h\u01a1n v\u00e0 nhanh m\u00f2n h\u01a1n so v\u1edbi b\u00e1nh xe quay \u1edf t\u1ed1c \u0111\u1ed9 RPM th\u1ea5p h\u01a1n. S\u1ef1 m\u00e0i m\u00f2n n\u00e0y l\u00e0 do ma s\u00e1t v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao gi\u1eefa l\u1ed1p xe v\u00e0 m\u1eb7t \u0111\u01b0\u1eddng. T\u01b0\u01a1ng t\u1ef1, t\u1ed1c \u0111\u1ed9 c\u1eaft \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a dao, nhi\u1ec7t \u0111\u1ed9 c\u1eaft v\u00e0 ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng.\u00a0<\/span><\/p>\n T\u1ed1c \u0111\u1ed9 ti\u1ebfn dao c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd d\u1ee5ng c\u1ee5 v\u00e0 ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng trong qu\u00e1 tr\u00ecnh gia c\u00f4ng, nh\u01b0ng \u1ea3nh h\u01b0\u1edfng c\u1ee7a ch\u00fang th\u01b0\u1eddng kh\u00f4ng \u0111\u00e1ng k\u1ec3 so v\u1edbi l\u1ef1c c\u1eaft. Thay v\u00e0o \u0111\u00f3, t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao c\u00f3 nhi\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1eddi gian gia c\u00f4ng v\u00e0 \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t c\u1ee7a chi ti\u1ebft \u0111\u01b0\u1ee3c gia c\u00f4ng.<\/span><\/p>\n <\/p>\n \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 c\u1eaft t\u1ed1i \u01b0u cho d\u1ef1 \u00e1n gia c\u00f4ng c\u1ee7a b\u1ea1n, \u0111i\u1ec1u c\u1ea7n xem x\u00e9t l\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a ph\u00f4i v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft.<\/span><\/p>\n \u0110\u1ed9 c\u1ee9ng th\u1ec3 hi\u1ec7n cho kh\u1ea3 n\u0103ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng c\u1ee7a v\u1eadt li\u1ec7u do m\u00e0i m\u00f2n, n\u00e9n ho\u1eb7c c\u00e0o x\u01b0\u1edbc. V\u1eadt li\u00eau ph\u00f4i c\u1ee9ng h\u01a1n c\u1ea7n \u0111\u01b0\u1ee3c ch\u00fa \u00fd \u0111\u1eb7c bi\u1ec7t trong qu\u00e1 tr\u00ecnh gia c\u00f4ng, v\u00ec ch\u00fang c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft.<\/span><\/p>\n Theo quy lu\u1eadt, v\u1eadt li\u1ec7u ph\u00f4i c\u00e0ng c\u1ee9ng th\u00ec t\u1ed1c \u0111\u1ed9 c\u1eaft c\u00e0ng ch\u1eadm trong qu\u00e1 tr\u00ecnh gia c\u00f4ng. V\u00ed d\u1ee5, c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 titan s\u1ebd y\u00eau c\u1ea7u t\u1ed1c \u0111\u1ed9 c\u1eaft th\u1ea5p h\u01a1n so v\u1edbi th\u00e9p.<\/span><\/p>\n \u0110\u1ed9 b\u1ec1n c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft \u0111\u00f3ng m\u1ed9t vai tr\u00f2 trong t\u1ed1c \u0111\u1ed9 c\u1eaft cho ph\u00e9p \u0111\u1ed1i v\u1edbi c\u00e1c nguy\u00ean c\u00f4ng gia c\u00f4ng. V\u00ed d\u1ee5 b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng t\u1ed1c \u0111\u1ed9 c\u1eaft cao khi s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 c\u1eaft l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n cao nh\u01b0 kim c\u01b0\u01a1ng v\u00e0 carbide boron nitride khi gia c\u00f4ng. Trong khi \u0111\u00f3 v\u1edbi d\u1ee5ng c\u1ee5 c\u1eaft b\u1eb1ng th\u00e9p gi\u00f3 th\u00ec t\u1ed1c \u0111\u1ed9 c\u1eaft cho ph\u00e9p s\u1ebd th\u1ea5p h\u01a1n.<\/span><\/p>\n B\u1ea3ng d\u01b0\u1edbi tr\u00ecnh b\u00e0y m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u d\u1ee5ng c\u1ee5 c\u1eaft ph\u1ed5 bi\u1ebfn v\u00e0 ph\u1ea1m vi t\u1ed1c \u0111\u1ed9 c\u1eaft cho ph\u00e9p c\u1ee7a ch\u00fang.<\/span><\/p>\n Phoi m\u1ecfng l\u00e0 m\u1ed9t khuy\u1ebft t\u1eadt gia c\u00f4ng x\u1ea3y ra khi b\u1ea1n gia c\u00f4ng m\u1ed9t ph\u00f4i m\u00e0 chi\u1ec1u r\u1ed9ng v\u1ebft c\u1eaft nh\u1ecf h\u01a1n m\u1ed9t n\u1eeda \u0111\u01b0\u1eddng k\u00ednh hay chi\u1ec1u r\u1ed9ng c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng phoi c\u1ea7n lo\u1ea1i b\u1ecf b\u1edfi d\u1ee5ng c\u1ee5 c\u1eaft tr\u00ean m\u1ed7i v\u00f2ng quay, g\u00e2y ra th\u1eddi gian gia c\u00f4ng d\u00e0i h\u01a1n. M\u1ed9t c\u00e1ch \u0111\u1ec3 gi\u1ea3m \u1ea3nh h\u01b0\u1edfng c\u1ee7a vi\u1ec7c phoi m\u1ecfng l\u00e0 gia c\u00f4ng ph\u00f4i c\u1ee7a b\u1ea1n \u1edf t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao cao. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u1ea3i thi\u1ec7n n\u0103ng su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd d\u1ee5ng c\u1ee5 c\u1ee7a b\u1ea1n.<\/span><\/p>\n B\u00e2y gi\u1edd b\u1ea1n \u0111\u00e3 hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1eaft, ch\u1eafc h\u1eb3n b\u1ea1n c\u0169ng \u0111\u1ed3ng \u00fd r\u1eb1ng hai th\u00f4ng s\u1ed1 gia c\u00f4ng n\u00e0y r\u1ea5t quan tr\u1ecdng cho qu\u00e1 tr\u00ecnh gia c\u00f4ng CNC. Tuy nhi\u00ean, ngay c\u1ea3 khi b\u1ea1n ch\u1ecdn t\u1ed1c \u0111\u1ed9 c\u1eaft v\u00e0 b\u01b0\u1edbc ti\u1ebfn dao l\u00fd t\u01b0\u1edfng, s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a d\u1ef1 \u00e1n m\u00e0 b\u1ea1n th\u1ef1c hi\u1ec7n c\u0169ng ph\u1ee5 thu\u1ed9c v\u00e0o m\u00e1y CNC v\u00e0 c\u00e1c d\u1ee5ng c\u1ee5 c\u1eaft g\u1ecdt m\u00e0 b\u1ea1n s\u1eed d\u1ee5ng.<\/span><\/p>\n Tinh H\u00e0 l\u00e0 nh\u00e0 cung c\u1ea5p c\u00e1c lo\u1ea1i m\u00e1y gia c\u00f4ng CNC v\u00e0 d\u1ee5ng c\u1ee5 c\u1eaft g\u1ecdt c\u1ee7a nh\u1eefng th\u01b0\u01a1ng hi\u1ec7u h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi. Ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 c\u00f3 nh\u1eefng thi\u1ebft b\u1ecb, d\u1ee5ng c\u1ee5 ch\u1ea5t l\u01b0\u1ee3ng cao m\u00e0 c\u00f2n c\u00f3 nh\u1eefng tr\u1ee3 l\u00fd gi\u00e0u kinh nghi\u1ec7m c\u00f3 kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 c\u00e1c b\u1ea1n l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m t\u1ed1i \u01b0u nh\u1ea5t v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng v\u1edbi m\u1ee9c gi\u00e1 t\u1ed1t nh\u1ea5t. Ch\u00fang t\u00f4i hi\u1ec7n l\u00e0 nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb gia c\u00f4ng c\u01a1 kh\u00ed ch\u00ednh x\u00e1c cho h\u00e0ng tr\u0103m doanh nghi\u1ec7p l\u1edbn tr\u00ean to\u00e0n qu\u1ed1c.<\/span><\/p>\n Li\u00ean h\u1ec7 ngay v\u1edbi Tinh H\u00e0 \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n v\u1ec1 m\u00e1y CNC v\u00e0 d\u1ee5ng c\u1ee5 c\u1eaft g\u1ecdt c\u01a1 kh\u00ed ch\u00ednh x\u00e1c. Vui l\u00f2ng xem th\u00eam th\u00f4ng tin c\u00e1c s\u1ea3n ph\u1ea9m t\u1ea1i \u0111\u00e2y<\/a>.<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":" Gia c\u00f4ng b\u1eb1ng \u0111i\u1ec1u khi\u1ec3n k\u1ef9 thu\u1eadt s\u1ed1 qua m\u00e1y t\u00ednh (CNC) l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi v\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i cao c\u1ee7a n\u00f3. M\u1ed9t l\u00fd do quan tr\u1ecdng kh\u00e1c gi\u00fap cho m\u00e1y CNC \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn nhi\u1ec1u l\u00e0 […]\n","protected":false},"author":9,"featured_media":16027,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[518],"tags":[],"class_list":["post-16026","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-ky-thuat"],"lang":"vi","translations":{"vi":16026},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/ixox.net\/wp-json\/wp\/v2\/posts\/16026"}],"collection":[{"href":"https:\/\/ixox.net\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixox.net\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixox.net\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/ixox.net\/wp-json\/wp\/v2\/comments?post=16026"}],"version-history":[{"count":5,"href":"https:\/\/ixox.net\/wp-json\/wp\/v2\/posts\/16026\/revisions"}],"predecessor-version":[{"id":23500,"href":"https:\/\/ixox.net\/wp-json\/wp\/v2\/posts\/16026\/revisions\/23500"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ixox.net\/wp-json\/wp\/v2\/media\/16027"}],"wp:attachment":[{"href":"https:\/\/ixox.net\/wp-json\/wp\/v2\/media?parent=16026"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixox.net\/wp-json\/wp\/v2\/categories?post=16026"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixox.net\/wp-json\/wp\/v2\/tags?post=16026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}T\u1ed1c \u0111\u1ed9 c\u1eaft v\u00e0 t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao l\u00e0 g\u00ec? S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ch\u00fang<\/b><\/span><\/h2>\n
L\u00e0m sao ch\u1ecdn t\u1ed1c \u0111\u1ed9 c\u1eaft t\u1ed1i \u01b0u<\/b><\/span><\/h2>\n
\n\n
\n V\u1eadt li\u1ec7u d\u1ee5ng c\u1ee5 c\u1eaft<\/span><\/strong><\/td>\n T\u1ed1c \u0111\u1ed9 c\u1eaft (m\/ph\u00fat)<\/span><\/strong><\/td>\n<\/tr>\n \n Th\u00e9p gi\u00f3 HSS<\/span><\/td>\n 30 – 50<\/span><\/td>\n<\/tr>\n \n Cemented carbide<\/span><\/td>\n 60 – 100<\/span><\/td>\n<\/tr>\n \n Ceramic<\/span><\/td>\n 300 – 600<\/span><\/td>\n<\/tr>\n \n Carbon boron nitride<\/span><\/td>\n 300 – 600<\/span><\/td>\n<\/tr>\n \n Kim c\u01b0\u01a1ng<\/span><\/td>\n > 800<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Phoi m\u1ecfng v\u00e0 t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao t\u1ed1i \u01b0u<\/b><\/span><\/h2>\n
K\u1ebft lu\u1eadn<\/b><\/span><\/h2>\n