{"id":3791,"date":"2019-09-28T08:04:58","date_gmt":"2019-09-28T08:04:58","guid":{"rendered":"https:\/\/www.mcctcarbide.com\/?p=3791"},"modified":"2020-05-06T03:07:21","modified_gmt":"2020-05-06T03:07:21","slug":"how-to-correctly-select-tool-coating-correctly-in-machining-to-improve-tool-life","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/cach-chon-chinh-xac-cong-cu-son-chinh-xac-trong-gia-cong-de-cai-thien-tuoi-tho-dung-cu\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn ch\u00ednh x\u00e1c l\u1edbp ph\u1ee7 c\u00f4ng c\u1ee5 Ch\u00ednh x\u00e1c trong gia c\u00f4ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n tu\u1ed5i th\u1ecd c\u00f4ng c\u1ee5"},"content":{"rendered":"

C\u00f4ng ngh\u1ec7 ph\u1ee7 b\u1ec1 m\u1eb7t c\u00f4ng c\u1ee5 l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u th\u1ecb tr\u01b0\u1eddng. K\u1ec3 t\u1eeb khi xu\u1ea5t hi\u1ec7n v\u00e0o nh\u1eefng n\u0103m 1960, c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t d\u1ee5ng c\u1ee5 c\u1eaft kim lo\u1ea1i. \u0110\u1eb7c bi\u1ec7t l\u00e0 sau s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00f4ng ngh\u1ec7 c\u1eaft t\u1ed1c \u0111\u1ed9 cao, c\u00f4ng ngh\u1ec7 s\u01a1n ph\u1ee7 \u0111\u00e3 nhanh ch\u00f3ng \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 \u1ee9ng d\u1ee5ng, v\u00e0 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 ch\u00ednh c\u1ee7a s\u1ea3n xu\u1ea5t d\u1ee5ng c\u1ee5 c\u1eaft t\u1ed1c \u0111\u1ed9 cao. C\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o m\u00e0ng tr\u00ean b\u1ec1 m\u1eb7t d\u1ee5ng c\u1ee5 c\u1eaft b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc ho\u1eb7c v\u1eadt l\u00fd, \u0111\u1ec3 d\u1ee5ng c\u1ee5 c\u1eaft c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t c\u1eaft to\u00e0n di\u1ec7n tuy\u1ec7t v\u1eddi, \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1eaft t\u1ed1c \u0111\u1ed9 cao.<\/p>

T\u00f3m l\u1ea1i, c\u00f4ng ngh\u1ec7 ph\u1ee7 b\u1ec1 m\u1eb7t c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m sau:<\/p>

1. C\u00f4ng ngh\u1ec7 ph\u1ee7 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t c\u1ee7a d\u1ee5ng c\u1ee5 m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n c\u1ee7a d\u1ee5ng c\u1ee5. Hi\u1ec7n t\u1ea1i, \u0111\u1ed9 c\u1ee9ng c\u00f3 th\u1ec3 \u0111\u1ea1t g\u1ea7n 100 GPa.<\/p>

2. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a c\u00f4ng ngh\u1ec7 ph\u1ee7, t\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a m\u00e0ng tr\u1edf n\u00ean n\u1ed5i b\u1eadt h\u01a1n, gi\u00fap cho vi\u1ec7c c\u1eaft t\u1ed1c \u0111\u1ed9 cao tr\u1edf n\u00ean kh\u1ea3 thi.<\/p>

3. M\u00e0ng b\u00f4i tr\u01a1n c\u00f3 hi\u1ec7u su\u1ea5t b\u00f4i tr\u01a1n r\u1eafn t\u1ed1t, c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 ch\u1ea5t l\u01b0\u1ee3ng x\u1eed l\u00fd v\u00e0 c\u0169ng ph\u00f9 h\u1ee3p \u0111\u1ec3 c\u1eaft kh\u00f4.<\/p>

4. C\u00f4ng ngh\u1ec7 ph\u1ee7, l\u00e0 qu\u00e1 tr\u00ecnh cu\u1ed1i c\u00f9ng c\u1ee7a s\u1ea3n xu\u1ea5t c\u00f4ng c\u1ee5, \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a c\u00f4ng c\u1ee5 v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i.<\/p>

L\u1ee3i \u00edch c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft tr\u00e1ng: c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 tu\u1ed5i th\u1ecd c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft; n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u1eaft hi\u1ec7u qu\u1ea3; c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t c\u1ee7a ph\u00f4i \u0111ang \u0111\u01b0\u1ee3c x\u1eed l\u00fd; gi\u1ea3m hi\u1ec7u qu\u1ea3 ti\u00eau th\u1ee5 v\u1eadt li\u1ec7u d\u1ee5ng c\u1ee5, gi\u1ea3m chi ph\u00ed x\u1eed l\u00fd; gi\u1ea3m s\u1eed d\u1ee5ng ch\u1ea5t l\u00e0m m\u00e1t, gi\u1ea3m chi ph\u00ed v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>

X\u1eed l\u00fd b\u1ec1 m\u1eb7t ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y c\u1eaft tr\u00f2n nh\u1ecf c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n tu\u1ed5i th\u1ecd c\u00f4ng c\u1ee5, gi\u1ea3m th\u1eddi gian chu tr\u00ecnh x\u1eed l\u00fd v\u00e0 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t. Tuy nhi\u00ean, n\u00f3 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c kh\u00f3 hi\u1ec3u v\u00e0 t\u1ed1n nhi\u1ec1u c\u00f4ng s\u1ee9c \u0111\u1ec3 ch\u1ecdn l\u1edbp ph\u1ee7 c\u00f4ng c\u1ee5 ch\u00ednh x\u00e1c theo c\u00e1c y\u00eau c\u1ea7u x\u1eed l\u00fd. M\u1ed7i l\u1edbp ph\u1ee7 c\u00f3 c\u1ea3 \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m trong vi\u1ec7c c\u1eaft. N\u1ebfu l\u1edbp ph\u1ee7 kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u01b0\u1ee3c ch\u1ecdn, tu\u1ed5i th\u1ecd c\u1ee7a d\u1ee5ng c\u1ee5 c\u00f3 th\u1ec3 th\u1ea5p h\u01a1n so v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 kh\u00f4ng tr\u00e1ng ph\u1ee7, v\u00e0 \u0111\u00f4i khi c\u00f2n nhi\u1ec1u v\u1ea5n \u0111\u1ec1 h\u01a1n tr\u01b0\u1edbc.<\/p>

Hi\u1ec7n nay, c\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i s\u01a1n c\u00f4ng c\u1ee5 c\u00f3 s\u1eb5n, bao g\u1ed3m l\u1edbp ph\u1ee7 PVD, l\u1edbp ph\u1ee7 CVD v\u00e0 l\u1edbp ph\u1ee7 composite xen k\u1ebd v\u1edbi PVD v\u00e0 CVD. Nh\u1eefng l\u1edbp ph\u1ee7 n\u00e0y c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng thu \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t d\u1ee5ng c\u1ee5 ho\u1eb7c nh\u00e0 cung c\u1ea5p l\u1edbp ph\u1ee7. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1edbi thi\u1ec7u m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t ph\u1ed5 bi\u1ebfn c\u1ee7a l\u1edbp ph\u1ee7 c\u00f4ng c\u1ee5 v\u00e0 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng \u00e1n l\u1ef1a ch\u1ecdn l\u1edbp ph\u1ee7 PVD v\u00e0 CVD th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. M\u1ed7i \u0111\u1eb7c t\u00ednh c\u1ee7a l\u1edbp ph\u1ee7 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh l\u1edbp ph\u1ee7 n\u00e0o c\u00f3 l\u1ee3i nh\u1ea5t cho vi\u1ec7c c\u1eaft.<\/p>

\"\"<\/figure>

L\u1edbp ph\u1ee7 TiN<\/h2>

TiN l\u00e0 l\u1edbp ph\u1ee7 PVD \u0111a n\u0103ng, c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 c\u1ee9ng c\u1ee7a c\u00f4ng c\u1ee5 v\u00e0 nhi\u1ec7t \u0111\u1ed9 oxy h\u00f3a. L\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft ho\u1eb7c c\u00f4ng c\u1ee5 t\u1ea1o h\u00ecnh b\u1eb1ng th\u00e9p t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd t\u1ed1t.<\/p>

L\u1edbp ph\u1ee7 cr\u00f4m nitrat (CrN)<\/h2>

L\u1edbp ph\u1ee7 CrN l\u00e0 l\u1edbp ph\u1ee7 \u0111\u01b0\u1ee3c \u01b0u ti\u00ean trong x\u1eed l\u00fd kh\u1ed1i u chip v\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng b\u00e1m d\u00ednh t\u1ed1t. V\u1edbi l\u1edbp ph\u1ee7 g\u1ea7n nh\u01b0 v\u00f4 h\u00ecnh n\u00e0y, kh\u1ea3 n\u0103ng gia c\u00f4ng c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5 carbide ho\u1eb7c cacbua xi m\u0103ng v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 t\u1ea1o h\u00ecnh s\u1ebd \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n r\u1ea5t nhi\u1ec1u.<\/p>

Kim c\u01b0\u01a1ng ph\u1ee7<\/h2>

L\u1edbp ph\u1ee7 kim c\u01b0\u01a1ng CVD c\u00f3 th\u1ec3 cung c\u1ea5p hi\u1ec7u su\u1ea5t t\u1ed1t nh\u1ea5t cho c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft c\u1ee7a v\u1eadt li\u1ec7u kim lo\u1ea1i m\u00e0u. N\u00f3 l\u00e0 m\u1ed9t l\u1edbp ph\u1ee7 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 x\u1eed l\u00fd than ch\u00ec, v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p ma tr\u1eadn kim lo\u1ea1i (MMC), h\u1ee3p kim nh\u00f4m silicon cao v\u00e0 nhi\u1ec1u v\u1eadt li\u1ec7u m\u00e0i m\u00f2n cao kh\u00e1c. M\u1ed9t ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc x\u1ea3y ra, ph\u00e1 h\u1ee7y l\u1edbp b\u00e1m d\u00ednh gi\u1eefa l\u1edbp ph\u1ee7 v\u00e0 d\u1ee5ng c\u1ee5 c\u1eaft.<\/p>

Thi\u1ebft b\u1ecb s\u01a1n<\/h2>

C\u00e1c l\u1edbp ph\u1ee7 ph\u00f9 h\u1ee3p cho phay c\u1ee9ng, khai th\u00e1c v\u00e0 khoan l\u00e0 kh\u00e1c nhau v\u00e0 c\u00f3 nh\u1eefng d\u1ecbp \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a ri\u00eang h\u1ecd. Ngo\u00e0i ra, l\u1edbp ph\u1ee7 nhi\u1ec1u l\u1edbp c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. C\u00e1c l\u1edbp ph\u1ee7 kh\u00e1c \u0111\u01b0\u1ee3c nh\u00fang gi\u1eefa l\u1edbp b\u1ec1 m\u1eb7t v\u00e0 ma tr\u1eadn c\u00f4ng c\u1ee5, c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n h\u01a1n n\u1eefa tu\u1ed5i th\u1ecd c\u1ee7a c\u00f4ng c\u1ee5.<\/p>

L\u1edbp ph\u1ee7 TiC (TiCN)<\/h2>

Nguy\u00ean t\u1ed1 carbon \u0111\u01b0\u1ee3c th\u00eam v\u00e0o trong l\u1edbp ph\u1ee7 TiCN c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 c\u1ee9ng c\u1ee7a d\u1ee5ng c\u1ee5 v\u00e0 c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u00f4i tr\u01a1n b\u1ec1 m\u1eb7t t\u1ed1t h\u01a1n. N\u00f3 l\u00e0 m\u1ed9t l\u1edbp ph\u1ee7 l\u00fd t\u01b0\u1edfng cho c\u00e1c c\u00f4ng c\u1ee5 th\u00e9p t\u1ed1c \u0111\u1ed9 cao.<\/p>

L\u1edbp ph\u1ee7 nit\u01a1-nh\u00f4m-titan ho\u1eb7c nit\u01a1-titan-nh\u00f4m (TiAlN \/ AlTiN)<\/h2>

L\u1edbp alumina \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh trong l\u1edbp ph\u1ee7 TiAlN \/ AlTiN c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 tu\u1ed5i th\u1ecd l\u00e0m vi\u1ec7c \u1edf nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft. L\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft cacbua xi m\u0103ng ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1eaft kh\u00f4 ho\u1eb7c b\u00e1n kh\u00f4. Theo t\u1ef7 l\u1ec7 kh\u00e1c nhau c\u1ee7a Al v\u00e0 Ti trong l\u1edbp ph\u1ee7, l\u1edbp ph\u1ee7 AlTiN c\u00f3 th\u1ec3 cung c\u1ea5p \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t cao h\u01a1n l\u1edbp ph\u1ee7 TiAlN, v\u00ec v\u1eady \u0111\u00e2y l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn l\u1edbp ph\u1ee7 kh\u1ea3 thi kh\u00e1c trong l\u0129nh v\u1ef1c gia c\u00f4ng t\u1ed1c \u0111\u1ed9 cao.<\/p>

\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a l\u1edbp ph\u1ee7<\/h2>

\u0111\u1ed9 c\u1ee9ng<\/h3>

\u0110\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t cao g\u00e2y ra b\u1edfi l\u1edbp ph\u1ee7 l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 c\u1ea3i thi\u1ec7n tu\u1ed5i th\u1ecd c\u00f4ng c\u1ee5. N\u00f3i chung, \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u ho\u1eb7c b\u1ec1 m\u1eb7t c\u00e0ng cao th\u00ec tu\u1ed5i th\u1ecd c\u1ee7a d\u1ee5ng c\u1ee5 c\u00e0ng d\u00e0i. L\u1edbp ph\u1ee7 TiCN c\u00f3 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n l\u1edbp ph\u1ee7 TiN. Do s\u1ef1 gia t\u0103ng c\u1ee7a h\u00e0m l\u01b0\u1ee3ng carbon, \u0111\u1ed9 c\u1ee9ng c\u1ee7a l\u1edbp ph\u1ee7 TiCN \u0111\u01b0\u1ee3c t\u0103ng th\u00eam 33% v\u00e0 ph\u1ea1m vi \u0111\u1ed9 c\u1ee9ng l\u00e0 kho\u1ea3ng Hv3000-4000 (t\u00f9y thu\u1ed9c v\u00e0o nh\u00e0 s\u1ea3n xu\u1ea5t). Vi\u1ec7c \u00e1p d\u1ee5ng l\u1edbp ph\u1ee7 kim c\u01b0\u01a1ng CVD v\u1edbi \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t l\u00ean \u0111\u1ebfn Hv9000 tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft \u0111\u00e3 \u0111\u01b0\u1ee3c ho\u00e0n thi\u1ec7n. So v\u1edbi d\u1ee5ng c\u1ee5 c\u1eaft ph\u1ee7 PVD, tu\u1ed5i th\u1ecd c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft ph\u1ee7 kim c\u01b0\u01a1ng CVD \u0111\u00e3 t\u0103ng g\u1ea5p 10-20 l\u1ea7n. \u0110\u1ed9 c\u1ee9ng v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1eaft cao c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5 tr\u00e1ng kim c\u01b0\u01a1ng c\u00f3 th\u1ec3 cao h\u01a1n 2-3 l\u1ea7n so v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 kh\u00f4ng tr\u00e1ng ph\u1ee7, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ed1t \u0111\u1ec3 c\u1eaft c\u00e1c v\u1eadt li\u1ec7u kh\u00f4ng ch\u1ee9a s\u1eaft.<\/p>

Nhi\u1ec7t \u0111\u1ed9 oxy h\u00f3a<\/h3>

Nhi\u1ec7t \u0111\u1ed9 oxy h\u00f3a l\u00e0 nhi\u1ec7t \u0111\u1ed9 m\u00e0 l\u1edbp ph\u1ee7 b\u1eaft \u0111\u1ea7u ph\u00e2n h\u1ee7y. Nhi\u1ec7t \u0111\u1ed9 oxy h\u00f3a c\u00e0ng cao th\u00ec c\u00e0ng c\u00f3 l\u1ee3i cho vi\u1ec7c c\u1eaft \u1edf nhi\u1ec7t \u0111\u1ed9 cao. M\u1eb7c d\u00f9 \u0111\u1ed9 c\u1ee9ng nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng c\u1ee7a l\u1edbp ph\u1ee7 TiAlN c\u00f3 th\u1ec3 th\u1ea5p h\u01a1n l\u1edbp ph\u1ee7 TiCN, nh\u01b0ng \u0111\u00e3 ch\u1ee9ng minh r\u1eb1ng l\u1edbp ph\u1ee7 TiAlN hi\u1ec7u qu\u1ea3 h\u01a1n nhi\u1ec1u so v\u1edbi l\u1edbp ph\u1ee7 TiCN trong x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ed9 cao. L\u00fd do t\u1ea1i sao l\u1edbp ph\u1ee7 TiAlN c\u00f3 th\u1ec3 duy tr\u00ec \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3 \u1edf nhi\u1ec7t \u0111\u1ed9 cao l\u00e0 v\u00ec m\u1ed9t l\u1edbp alumina c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh gi\u1eefa c\u00f4ng c\u1ee5 v\u00e0 chip, v\u00e0 l\u1edbp alumina c\u00f3 th\u1ec3 truy\u1ec1n nhi\u1ec7t t\u1eeb d\u1ee5ng c\u1ee5 \u0111\u1ebfn ph\u00f4i ho\u1eb7c chip. T\u1ed1c \u0111\u1ed9 c\u1eaft c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5 cacbua xi m\u0103ng th\u01b0\u1eddng cao h\u01a1n so v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 th\u00e9p t\u1ed1c \u0111\u1ed9 cao, \u0111i\u1ec1u n\u00e0y l\u00e0m cho TiAlN tr\u1edf th\u00e0nh l\u1edbp ph\u1ee7 \u01b0a th\u00edch cho c\u00e1c c\u00f4ng c\u1ee5 cacbua xi m\u0103ng. L\u1edbp ph\u1ee7 PVDTiAlN th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u00e1y khoan cacbua xi m\u0103ng v\u00e0 dao phay cu\u1ed1i.<\/p>

Kh\u1ea3 n\u0103ng xay<\/h3>

Ch\u1ed1ng m\u00e0i m\u00f2n \u0111\u1ec1 c\u1eadp \u0111\u1ebfn kh\u1ea3 n\u0103ng c\u1ee7a l\u1edbp ph\u1ee7 \u0111\u1ec3 ch\u1ed1ng m\u00e0i m\u00f2n. M\u1eb7c d\u00f9 \u0111\u1ed9 c\u1ee9ng c\u1ee7a m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u ph\u00f4i c\u00f3 th\u1ec3 kh\u00f4ng cao l\u1eafm, nh\u01b0ng c\u00e1c y\u1ebfu t\u1ed1 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 quy tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 g\u00e2y ra n\u1ee9t ho\u1eb7c c\u00f9n c\u1ea1nh dao.<\/p>

B\u00f4i tr\u01a1n b\u1ec1 m\u1eb7t<\/h3>

H\u1ec7 s\u1ed1 ma s\u00e1t cao s\u1ebd l\u00e0m t\u0103ng nhi\u1ec7t c\u1eaft, \u0111i\u1ec1u n\u00e0y s\u1ebd r\u00fat ng\u1eafn tu\u1ed5i th\u1ecd l\u1edbp ph\u1ee7 v\u00e0 th\u1eadm ch\u00ed g\u00e2y ra s\u1ef1 c\u1ed1. Gi\u1ea3m h\u1ec7 s\u1ed1 ma s\u00e1t c\u00f3 th\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u00f4ng c\u1ee5. C\u00e1c b\u1ec1 m\u1eb7t ph\u1ee7 m\u1ecbn, m\u1ecbn ho\u1eb7c th\u01b0\u1eddng xuy\u00ean c\u00f3 k\u1ebft c\u1ea5u gi\u00fap gi\u1ea3m nhi\u1ec7t c\u1eaft, b\u1edfi v\u00ec c\u00e1c b\u1ec1 m\u1eb7t nh\u1eb5n cho ph\u00e9p phoi tr\u01b0\u1ee3t nhanh kh\u1ecfi m\u1eb7t c\u00e0o v\u00e0 gi\u1ea3m sinh nhi\u1ec7t. So v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft kh\u00f4ng tr\u00e1ng, c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft \u0111\u01b0\u1ee3c tr\u00e1ng c\u00f3 \u0111\u1ed9 b\u00f4i tr\u01a1n b\u1ec1 m\u1eb7t t\u1ed1t h\u01a1n c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u1edf t\u1ed1c \u0111\u1ed9 c\u1eaft cao h\u01a1n, do \u0111\u00f3 tr\u00e1nh ti\u1ebfp t\u1ee5c h\u00e0n nhi\u1ec7t \u0111\u1ed9 cao v\u1edbi v\u1eadt li\u1ec7u ph\u00f4i.<\/p>

T\u00e0i s\u1ea3n ch\u1ed1ng \u0111\u00f3ng b\u00e1nh<\/h3>

\u0110i\u1ec7n tr\u1edf li\u00ean k\u1ebft c\u1ee7a l\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba ho\u1eb7c l\u00e0m gi\u1ea3m ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc gi\u1eefa d\u1ee5ng c\u1ee5 v\u00e0 v\u1eadt li\u1ec7u \u0111ang \u0111\u01b0\u1ee3c x\u1eed l\u00fd, v\u00e0 tr\u00e1nh s\u1ef1 l\u1eafng \u0111\u1ecdng c\u1ee7a v\u1eadt li\u1ec7u ph\u00f4i tr\u00ean d\u1ee5ng c\u1ee5. Trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd kim lo\u1ea1i m\u00e0u (nh\u01b0 nh\u00f4m, \u0111\u1ed3ng thau, v.v.), m\u00e1y c\u1eaft th\u01b0\u1eddng t\u1ea1o ra c\u00e1c kh\u1ed1i u v\u1ee5n (BUE), d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 c\u00f4ng c\u1ee5 ho\u1eb7c k\u00edch th\u01b0\u1edbc ph\u00f4i qu\u00e1 kh\u1ed5. Khi v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eaft \u0111\u1ea7u tu\u00e2n th\u1ee7 c\u00f4ng c\u1ee5, s\u1ef1 tu\u00e2n th\u1ee7 s\u1ebd ti\u1ebfp t\u1ee5c m\u1edf r\u1ed9ng. V\u00ed d\u1ee5, khi ph\u00f4i nh\u00f4m \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng v\u00f2i h\u00ecnh th\u00e0nh, nh\u00f4m d\u00ednh tr\u00ean v\u00f2i s\u1ebd t\u0103ng sau m\u1ed7i l\u1ed7 \u0111\u01b0\u1ee3c x\u1eed l\u00fd v\u00e0 cu\u1ed1i c\u00f9ng \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a v\u00f2i s\u1ebd tr\u1edf n\u00ean qu\u00e1 l\u1edbn, d\u1eabn \u0111\u1ebfn ph\u1ebf li\u1ec7u c\u1ee7a k\u00edch th\u01b0\u1edbc ph\u00f4i. C\u00e1c l\u1edbp ph\u1ee7 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng b\u00e1m d\u00ednh t\u1ed1t c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 r\u1ea5t t\u1ed1t ngay c\u1ea3 trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p x\u1eed l\u00fd khi hi\u1ec7u su\u1ea5t l\u00e0m m\u00e1t k\u00e9m ho\u1eb7c kh\u00f4ng t\u1eadp trung.<\/p>

\u1ee8ng d\u1ee5ng c\u1ee7a l\u1edbp ph\u1ee7<\/h3>

Vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7u su\u1ea5t cao \u0111\u1ebfn gi\u00e1 c\u1ee7a l\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1, nh\u01b0ng \u0111\u1ed1i v\u1edbi m\u1ed7i \u1ee9ng d\u1ee5ng x\u1eed l\u00fd c\u1ee5 th\u1ec3, th\u01b0\u1eddng ch\u1ec9 c\u00f3 m\u1ed9t ho\u1eb7c m\u1ed9t s\u1ed1 t\u00f9y ch\u1ecdn l\u1edbp ph\u1ee7 kh\u1ea3 thi. L\u1ef1a ch\u1ecdn ch\u00ednh x\u00e1c c\u00e1c l\u1edbp ph\u1ee7 v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 c\u00f3 ngh\u0129a l\u00e0 c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u1ea3i thi\u1ec7n r\u00f5 r\u1ec7t v\u1ec1 hi\u1ec7u su\u1ea5t x\u1eed l\u00fd v\u00e0 h\u1ea7u nh\u01b0 kh\u00f4ng c\u1ea3i thi\u1ec7n. \u0110\u1ed9 s\u00e2u c\u1eaft, t\u1ed1c \u0111\u1ed9 c\u1eaft v\u00e0 ch\u1ea5t l\u00e0m m\u00e1t c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 \u1ee9ng d\u1ee5ng c\u1ee7a l\u1edbp ph\u1ee7 c\u00f4ng c\u1ee5.<\/p>

B\u1edfi v\u00ec c\u00f3 nhi\u1ec1u bi\u1ebfn trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u1eadt li\u1ec7u ph\u00f4i, m\u1ed9t trong nh\u1eefng c\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u1edbp ph\u1ee7 n\u00e0o \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0 th\u00f4ng qua c\u1eaft th\u1eed. C\u00e1c nh\u00e0 cung c\u1ea5p l\u1edbp ph\u1ee7 \u0111ang ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n th\u00eam c\u00e1c l\u1edbp ph\u1ee7 m\u1edbi \u0111\u1ec3 c\u1ea3i thi\u1ec7n h\u01a1n n\u1eefa nhi\u1ec7t \u0111\u1ed9 cao, ma s\u00e1t v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a l\u1edbp ph\u1ee7.<\/p><\/div>","protected":false},"excerpt":{"rendered":"

Tool surface coating technology is a surface modification technology developed in response to market demand. Since its appearance in the 1960s, this technology has been widely used in the metal cutting tool manufacturing industry. Especially after the emergence of high-speed cutting technology, coating technology has been rapidly developed and applied, and become one of the…<\/p>","protected":false},"author":2,"featured_media":19304,"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-3791","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\/2019\/09\/\u56fe\u72471-3.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/3791","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=3791"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/3791\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media\/19304"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=3791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=3791"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=3791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}