{"id":19828,"date":"2020-05-26T01:14:43","date_gmt":"2020-05-26T01:14:43","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=19828"},"modified":"2020-05-30T08:00:55","modified_gmt":"2020-05-30T08:00:55","slug":"why-titanium-is-difficult-to-machine-material","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/tai-sao-titan-la-vat-lieu-kho-che-may\/","title":{"rendered":"T\u1ea1i sao Titanium l\u00e0 v\u1eadt li\u1ec7u kh\u00f3 gia c\u00f4ng?"},"content":{"rendered":"
\n

Hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd trong ch\u1ebf bi\u1ebfn titan<\/strong><\/strong><\/p>\n\n\n\n

L\u1ef1c c\u1eaft c\u1ee7a h\u1ee3p kim titan ch\u1ec9 cao h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi th\u00e9p c\u00f3 c\u00f9ng \u0111\u1ed9 c\u1ee9ng, nh\u01b0ng hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd c\u1ee7a gia c\u00f4ng h\u1ee3p kim titan ph\u1ee9c t\u1ea1p h\u01a1n nhi\u1ec1u so v\u1edbi gia c\u00f4ng th\u00e9p, khi\u1ebfn vi\u1ec7c gia c\u00f4ng h\u1ee3p kim titan g\u1eb7p r\u1ea5t nhi\u1ec1u kh\u00f3 kh\u0103n.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

H\u1ea7u h\u1ebft c\u00e1c h\u1ee3p kim titan c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t r\u1ea5t th\u1ea5p, ch\u1ec9 b\u1eb1ng 1\/7 th\u00e9p v\u00e0 1\/16 nh\u00f4m. Do \u0111\u00f3, nhi\u1ec7t sinh ra trong qu\u00e1 tr\u00ecnh c\u1eaft h\u1ee3p kim titan s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c truy\u1ec1n v\u00e0o ph\u00f4i ho\u1eb7c l\u1ea5y \u0111i b\u1edfi c\u00e1c con chip, m\u00e0 t\u1eadp trung \u1edf khu v\u1ef1c c\u1eaft, nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c t\u1ea1o ra c\u00f3 th\u1ec3 l\u00ean t\u1edbi 1000oC tr\u1edf l\u00ean, khi\u1ebfn cho vi\u1ec7c c\u1eaft c\u1ea1nh c\u1ee7a d\u1ee5ng c\u1ee5 b\u1ecb m\u00f2n, n\u1ee9t v\u00e0 t\u1ea1o ra kh\u1ed1i u chip nhanh ch\u00f3ng, v\u00e0 l\u01b0\u1ee1i c\u1eaft b\u1ecb m\u00f2n xu\u1ea5t hi\u1ec7n nhanh ch\u00f3ng, khi\u1ebfn cho khu v\u1ef1c c\u1eaft t\u1ea1o ra nhi\u1ec1u nhi\u1ec7t h\u01a1n, r\u00fat ng\u1eafn h\u01a1n n\u1eefa tu\u1ed5i th\u1ecd c\u1ee7a d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

Nhi\u1ec7t \u0111\u1ed9 cao \u0111\u01b0\u1ee3c t\u1ea1o ra trong qu\u00e1 tr\u00ecnh c\u1eaft ph\u00e1 h\u1ee7y t\u00ednh to\u00e0n v\u1eb9n b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn h\u1ee3p kim titan, d\u1eabn \u0111\u1ebfn gi\u1ea3m \u0111\u1ed9 ch\u00ednh x\u00e1c h\u00ecnh h\u1ecdc c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng l\u00e0m c\u1ee9ng l\u00e0m gi\u1ea3m nghi\u00eam tr\u1ecdng \u0111\u1ed9 b\u1ec1n m\u1ecfi c\u1ee7a ch\u00fang.<\/p>\n\n\n\n

\u0110\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a h\u1ee3p kim titan c\u00f3 th\u1ec3 c\u00f3 l\u1ee3i cho hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn, nh\u01b0ng trong qu\u00e1 tr\u00ecnh c\u1eaft, bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i c\u1ee7a ph\u00f4i l\u00e0 m\u1ed9t l\u00fd do quan tr\u1ecdng cho rung \u0111\u1ed9ng. \u00c1p l\u1ef1c c\u1eaft l\u00e0m cho ph\u00f4i gia c\u00f4ng c\u1ee7a \u0111\u00e0n h\u1ed3i c\u00f3 th\u1ec3 r\u1eddi kh\u1ecfi c\u00f4ng c\u1ee5 v\u00e0 b\u1eadt l\u1ea1i, do \u0111\u00f3 ma s\u00e1t gi\u1eefa d\u1ee5ng c\u1ee5 v\u00e0 ph\u00f4i l\u1edbn h\u01a1n hi\u1ec7u \u1ee9ng c\u1eaft. Qu\u00e1 tr\u00ecnh ma s\u00e1t c\u0169ng t\u1ea1o ra nhi\u1ec7t, l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam v\u1ea5n \u0111\u1ec1 d\u1eabn nhi\u1ec7t k\u00e9m c\u1ee7a h\u1ee3p kim titan.<\/p>\n\n\n\n

Khi gia c\u00f4ng c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 th\u00e0nh m\u1ecfng ho\u1eb7c h\u00ecnh v\u00f2ng, v\u1ea5n \u0111\u1ec1 n\u00e0y nghi\u00eam tr\u1ecdng h\u01a1n. Kh\u00f4ng d\u1ec5 \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c b\u1ed9 ph\u1eadn m\u1ecfng b\u1eb1ng h\u1ee3p kim titan v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc d\u1ef1 ki\u1ebfn. B\u1edfi v\u00ec khi v\u1eadt li\u1ec7u ph\u00f4i b\u1ecb \u0111\u1ea9y ra b\u1edfi m\u00e1y c\u1eaft, bi\u1ebfn d\u1ea1ng c\u1ee5c b\u1ed9 c\u1ee7a t\u01b0\u1eddng m\u1ecfng \u0111\u00e3 v\u01b0\u1ee3t qu\u00e1 ph\u1ea1m vi \u0111\u00e0n h\u1ed3i, d\u1eabn \u0111\u1ebfn bi\u1ebfn d\u1ea1ng d\u1ebbo v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a \u0111i\u1ec3m c\u1eaft t\u0103ng \u0111\u00e1ng k\u1ec3. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, theo t\u1ed1c \u0111\u1ed9 c\u1eaft \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ban \u0111\u1ea7u, gia c\u00f4ng tr\u1edf n\u00ean qu\u00e1 cao, \u0111i\u1ec1u n\u00e0y c\u00e0ng d\u1eabn \u0111\u1ebfn hao m\u00f2n d\u1ee5ng c\u1ee5 s\u1eafc n\u00e9t.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

C\u1ed1t th\u00e9p n\u00f3ng l\u00e0 m\u1ed9t th\u1ee7 ph\u1ea1m h\u1ee3p kim titan kh\u00f3 ch\u1ebf bi\u1ebfn!<\/strong><\/strong><\/p>\n\n\n\n

B\u00ed quy\u1ebft c\u00f4ng ngh\u1ec7 ch\u1ebf bi\u1ebfn h\u1ee3p kim titan<\/p>\n\n\n\n

Tr\u00ean c\u01a1 s\u1edf hi\u1ec3u \u0111\u01b0\u1ee3c c\u01a1 ch\u1ebf gia c\u00f4ng c\u1ee7a h\u1ee3p kim titan v\u00e0 kinh nghi\u1ec7m tr\u01b0\u1edbc \u0111\u00e2y, b\u00ed quy\u1ebft ch\u00ednh c\u1ee7a ch\u1ebf bi\u1ebfn h\u1ee3p kim titan nh\u01b0 sau:<\/p>\n\n\n\n

(1) L\u01b0\u1ee1i dao c\u00f3 h\u00ecnh d\u1ea1ng g\u00f3c d\u01b0\u01a1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m l\u1ef1c c\u1eaft, c\u1eaft nhi\u1ec7t v\u00e0 bi\u1ebfn d\u1ea1ng ph\u00f4i.<\/p>\n\n\n\n

(2) Gi\u1eef cho \u0103n li\u00ean t\u1ee5c \u0111\u1ec3 tr\u00e1nh l\u00e0m c\u1ee9ng ph\u00f4i. Trong qu\u00e1 tr\u00ecnh c\u1eaft, d\u1ee5ng c\u1ee5 ph\u1ea3i lu\u00f4n \u1edf tr\u1ea1ng th\u00e1i cho \u0103n. L\u01b0\u1ee3ng c\u1eaft xuy\u00ean t\u00e2m AE ph\u1ea3i l\u00e0 30% c\u1ee7a b\u00e1n k\u00ednh.<\/p>\n\n\n\n

(3) \u00c1p su\u1ea5t cao v\u00e0 ch\u1ea5t l\u1ecfng c\u1eaft d\u00f2ng ch\u1ea3y l\u1edbn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a qu\u00e1 tr\u00ecnh gia c\u00f4ng v\u00e0 ng\u0103n ng\u1eeba s\u1ef1 tho\u00e1i h\u00f3a b\u1ec1 m\u1eb7t v\u00e0 h\u01b0 h\u1ecfng d\u1ee5ng c\u1ee5 do nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n\n\n\n

(4) Gi\u1eef cho l\u01b0\u1ee1i dao s\u1eafc v\u00e0 c\u00f9n l\u00e0 nguy\u00ean nh\u00e2n c\u1ee7a s\u1ef1 t\u00edch t\u1ee5 v\u00e0 hao m\u00f2n nhi\u1ec7t, d\u1ec5 d\u1eabn \u0111\u1ebfn h\u1ecfng d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

(5) N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u1edf tr\u1ea1ng th\u00e1i m\u1ec1m nh\u1ea5t c\u1ee7a h\u1ee3p kim titan c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t, v\u00ec v\u1eadt li\u1ec7u tr\u1edf n\u00ean kh\u00f3 x\u1eed l\u00fd h\u01a1n sau khi l\u00e0m c\u1ee9ng, x\u1eed l\u00fd nhi\u1ec7t gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 t\u0103ng \u0111\u1ed9 m\u00e0i m\u00f2n c\u1ee7a l\u01b0\u1ee1i dao.<\/p>\n\n\n\n

(6) S\u1eed d\u1ee5ng b\u00e1n k\u00ednh \u0111\u1ea7u nh\u1ecdn ho\u1eb7c v\u00e1t m\u00e9p l\u1edbn \u0111\u1ec3 c\u1eaft v\u00e0 c\u1ed1 g\u1eafng \u0111\u01b0a nhi\u1ec1u l\u01b0\u1ee1i v\u00e0o c\u1eaft h\u01a1n. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m l\u1ef1c c\u1eaft v\u00e0 nhi\u1ec7t t\u1ea1i m\u1ed7i \u0111i\u1ec3m v\u00e0 ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng c\u1ee5c b\u1ed9. Trong qu\u00e1 tr\u00ecnh phay h\u1ee3p kim titan, t\u1ed1c \u0111\u1ed9 c\u1eaft c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u1edbn nh\u1ea5t \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a dao VC, ti\u1ebfp theo l\u00e0 \u0111\u01b0\u1eddng c\u1eaft xuy\u00ean t\u00e2m (chi\u1ec1u s\u00e2u phay) AE.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

B\u1eaft \u0111\u1ea7u t\u1eeb l\u01b0\u1ee1i dao \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 gia c\u00f4ng titan<\/strong><\/strong><\/p>\n\n\n\n

\u0110\u1ed9 m\u00f2n r\u00e3nh c\u1ee7a l\u01b0\u1ee1i dao trong gia c\u00f4ng h\u1ee3p kim titan l\u00e0 \u0111\u1ed9 m\u00f2n c\u1ee5c b\u1ed9 c\u1ee7a m\u1eb7t sau v\u00e0 m\u1eb7t tr\u01b0\u1edbc d\u1ecdc theo chi\u1ec1u s\u00e2u c\u1eaft, th\u01b0\u1eddng x\u1ea3y ra do l\u1edbp l\u00e0m c\u1ee9ng c\u00f2n l\u1ea1i c\u1ee7a gia c\u00f4ng tr\u01b0\u1edbc. Ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc v\u00e0 khu\u1ebfch t\u00e1n c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft v\u00e0 v\u1eadt li\u1ec7u ph\u00f4i \u1edf nhi\u1ec7t \u0111\u1ed9 x\u1eed l\u00fd tr\u00ean 800oC c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng l\u00fd do cho s\u1ef1 h\u00ecnh th\u00e0nh hao m\u00f2n r\u00e3nh. B\u1edfi v\u00ec trong qu\u00e1 tr\u00ecnh gia c\u00f4ng, c\u00e1c ph\u00e2n t\u1eed titan c\u1ee7a ph\u00f4i t\u00edch t\u1ee5 \u1edf ph\u00eda tr\u01b0\u1edbc l\u01b0\u1ee1i dao, v\u00e0 m\u1ed1i h\u00e0n m\u1ed1i h\u00e0n v\u1edbi l\u01b0\u1ee1i dao d\u01b0\u1edbi \u00e1p su\u1ea5t cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao, t\u1ea1o th\u00e0nh kh\u1ed1i u b\u1ed3i t\u1ee5 chip. Khi s\u1ef1 b\u1ed3i t\u1ee5 chip \u0111\u01b0\u1ee3c b\u00f3c ra t\u1eeb l\u01b0\u1ee1i c\u1eaft, l\u1edbp ph\u1ee7 cacbua xi m\u0103ng c\u1ee7a l\u01b0\u1ee1i dao s\u1ebd b\u1ecb l\u1ea5y \u0111i. Do \u0111\u00f3, v\u1eadt li\u1ec7u l\u01b0\u1ee1i v\u00e0 h\u00ecnh h\u1ecdc \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 gia c\u00f4ng h\u1ee3p kim titan.<\/p>\n\n\n\n

C\u1ea5u tr\u00fac dao th\u00edch h\u1ee3p cho gia c\u00f4ng titan<\/strong><\/strong><\/p>\n\n\n\n

Tr\u1ecdng t\u00e2m c\u1ee7a gia c\u00f4ng h\u1ee3p kim titan l\u00e0 nhi\u1ec7t. M\u1ed9t l\u01b0\u1ee3ng l\u1edbn ch\u1ea5t l\u1ecfng c\u1eaft \u00e1p su\u1ea5t cao n\u00ean \u0111\u01b0\u1ee3c phun v\u00e0o l\u01b0\u1ee1i c\u1eaft k\u1ecbp th\u1eddi v\u00e0 ch\u00ednh x\u00e1c \u0111\u1ec3 lo\u1ea1i b\u1ecf nhi\u1ec7t nhanh ch\u00f3ng. C\u00f3 m\u1ed9t c\u1ea5u tr\u00fac \u0111\u1ed9c \u0111\u00e1o c\u1ee7a dao phay \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 gia c\u00f4ng h\u1ee3p kim titan tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Physical phenomena in titanium processing The cutting force of titanium alloy is only slightly higher than that of steel with the same hardness, but the physical phenomenon of titanium alloy processing is much more complex than that of steel processing, which makes the titanium alloy processing face great difficulties. Most titanium alloys have very low…<\/p>","protected":false},"author":2,"featured_media":19831,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[79],"tags":[],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/\u56fe\u72471-8.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/19828"}],"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=19828"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/19828\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media\/19831"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=19828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=19828"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=19828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}