{"id":1003,"date":"2017-09-28T07:40:48","date_gmt":"2017-09-28T00:40:48","guid":{"rendered":"http:\/\/thu.hunghaweb.com\/?p=1003"},"modified":"2019-09-16T07:11:23","modified_gmt":"2019-09-16T00:11:23","slug":"dac-dien-cong-dung-cua-tia-laser","status":"publish","type":"post","link":"http:\/\/www.thucnclaser.com\/?p=1003","title":{"rendered":"\u0110\u1eb7c \u0111i\u1ec3n c\u00f4ng d\u1ee5ng c\u1ee7a tia laser"},"content":{"rendered":"<h3>M\u1ed7i lo\u1ea1i laser \u0111\u1ec1u c\u00f3 nh\u1eefng c\u00f4ng d\u1ee5ng kh\u00e1c nhau<\/h3>\n<p>M\u1ed7i lo\u1ea1i laser c\u00f3 \u01b0u \u0111i\u1ec3m ri\u00eang v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c tr\u00ean c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau. C\u00e1c lo\u1ea1i laser th\u00f4ng d\u1ee5ng l\u00e0 laser kh\u00ed CO2 v\u00e0 laser tinh th\u1ec3, laser s\u1ee3i. C\u00e1c lo\u1ea1i laser n\u00e0y \u0111\u1ec1u kinh t\u1ebf v\u00e0 tu\u1ed5i th\u1ecd cao. Laser CO2 \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p \u0111\u1ec3 kh\u1eafc v\u00e0 c\u1eaft phi kim. Trong khi laser tinh th\u1ec3, s\u1ee3i l\u1ea1i ch\u1ee7 y\u1ebfu d\u00f9ng cho \u0111\u00e1nh d\u1ea5u, kh\u1eafc ho\u1eb7c c\u1eaft tr\u00ean kim lo\u1ea1i.<\/p>\n<h2>M\u00e1y c\u1eaft kim lo\u1ea1i b\u1eb1ng tia laser<\/h2>\n<p>Ph\u1ea7n l\u1edbn c\u00e1c m\u00e1y c\u1eaft laser cnc tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay \u0111\u1ec1u s\u1eed d\u1ee5ng laser CO2 ho\u1eb7c laser Nd:YAG v\u1edbi nguy\u00ean l\u00fd t\u01b0\u01a1ng t\u1ef1 nhau.<br \/>\nS\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd c\u1eaft b\u1eb1ng tia laser.<\/p>\n<p>Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a qu\u00e1 tr\u00ecnh c\u1eaft b\u1eb1ng tia laser c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f3m t\u1eaft nh\u01b0 sau:<\/p>\n<ul>\n<li>M\u1ed9t ch\u00f9m tia n\u0103ng l\u01b0\u1ee3ng cao \u0111\u01b0\u1ee3c sinh ra b\u1edfi m\u00e1y ph\u00e1t laser s\u1ebd \u0111\u01b0\u1ee3c t\u1eadp trung l\u00ean b\u1ec1 m\u1eb7t chi ti\u1ebft gia c\u00f4ng nh\u1edd h\u1ec7 th\u1ed1ng th\u1ea5u k\u00ednh.<\/li>\n<li>Ch\u00f9m tia n\u00e0y \u0111\u1ed1t n\u00f3ng v\u1eadt li\u1ec7u v\u00e0 t\u1ea1o n\u00ean m\u1ed9t v\u00f9ng v\u1eadt li\u1ec7u n\u00f3ng ch\u1ea3y c\u1ee5c b\u1ed9, th\u01b0\u1eddng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf h\u01a1n 0,5mm).<\/li>\n<li>Ph\u1ea7n v\u1eadt li\u1ec7u n\u00f3ng ch\u1ea3y b\u1ecb \u0111\u1ea9y ra kh\u1ecfi v\u00f9ng gia c\u00f4ng b\u1edfi m\u1ed9t d\u00f2ng kh\u00ed c\u00f3 \u00e1p l\u1ef1c cao, \u0111\u1ed3ng tr\u1ee5c v\u1edbi ch\u00f9m tia laser. \u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 lo\u1ea1i v\u1eadt li\u1ec7u th\u00ec d\u00f2ng kh\u00ed n\u00e0y l\u00e0m t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh c\u1eaft b\u1edfi t\u00e1c \u0111\u1ed9ng h\u00f3a h\u1ecdc v\u00e0 l\u00fd h\u1ecdc.<\/li>\n<li>V\u00f9ng v\u1eadt li\u1ec7u b\u1ecb n\u00f3ng ch\u1ea3y c\u1ee5c b\u1ed9 \u0111\u01b0\u1ee3c di chuy\u1ec3n d\u1ecdc theo b\u1ec1 m\u1eb7t chi ti\u1ebft theo m\u1ed9t qu\u1ef9 \u0111\u1ea1o v\u00e0 sinh ra v\u1ebft c\u1eaft. Chuy\u1ec3n \u0111\u1ed9ng n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch di chuy\u1ec3n ch\u00f9m tia laser h\u1ed9i t\u1ee5 nh\u1edd h\u1ec7 th\u1ed1ng g\u01b0\u01a1ng CNC ho\u1eb7c chuy\u1ec3n \u0111\u1ed9ng c\u01a1 kh\u00ed t\u1ea5m v\u1eadt li\u1ec7u theo hai ph\u01b0\u01a1ng X-Y tr\u00ean b\u00e0n m\u00e1y CNC. C\u0169ng c\u00f3 m\u00e1y thi\u1ebft k\u1ebf c\u1ea3 hai lo\u1ea1i chuy\u1ec3n \u0111\u1ed9ng n\u00e0y, khi \u0111\u00f3 ch\u00f9m tia laser \u0111\u01b0\u1ee3c di chuy\u1ec3n theo m\u1ed9t ph\u01b0\u01a1ng v\u00e0 chi ti\u1ebft gia c\u00f4ng \u0111\u01b0\u1ee3c di chuy\u1ec3n theo ph\u01b0\u01a1ng c\u00f2n l\u1ea1i. C\u00e1c h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a ho\u00e0n to\u00e0n cho ph\u00e9p c\u1eaft \u0111\u01b0\u1ee3c c\u00e1c h\u00ecnh d\u00e1ng 3D.<\/li>\n<\/ul>\n<h3>\u0110\u1eb7c \u0111i\u1ec3m<\/h3>\n<p>Laser c\u00f3 th\u1ec3 c\u1eaft m\u1ed9t d\u1ea3i r\u1ed9ng c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u nh\u01b0ng ph\u1ea7n l\u1edbn c\u00e1c h\u1ec7 th\u1ed1ng c\u1eaft laser th\u01b0\u01a1ng m\u1ea1i hi\u1ec7n nay \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi kim lo\u1ea1i. C\u1eaft kim lo\u1ea1i b\u1eb1ng laser \u0111\u00f2i h\u1ecfi ch\u00f9m laser m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng cao truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng v\u00e0o v\u00f9ng c\u1eaft nhanh h\u01a1n l\u01b0\u1ee3ng nhi\u1ec7t truy\u1ec1n ra ngo\u00e0i. K\u00e8m theo \u0111\u00f3 l\u00e0 d\u00f2ng kh\u00ed h\u1ed7 tr\u1ee3 s\u1ebd \u0111\u1ea9y kim lo\u1ea1i n\u00f3ng ch\u1ea3y ra kh\u1ecfi v\u00f9ng c\u1eaft.<br \/>\nTh\u00e9p cacbon l\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u kim lo\u1ea1i d\u1ec5 c\u1eaft nh\u1ea5t b\u1eb1ng laser. C\u00e1c lo\u1ea1i th\u00e9p h\u1ee3p kim th\u1ea5p nh\u01b0 AISI 4140, 8620,\u2026 c\u00f3 \u0111i\u1ec1u ki\u1ec7n c\u1eaft t\u01b0\u01a1ng t\u1ef1 nh\u01b0 th\u00e9p cacbon. H\u00e0m l\u01b0\u1ee3ng h\u1ee3p kim trong th\u00e9p t\u0103ng th\u00ec qu\u00e1 tr\u00ecnh c\u1eaft tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n. V\u1edbi th\u00e9p d\u1ee5ng c\u1ee5 c\u00f3 h\u00e0m l\u01b0\u1ee3ng vonfram cao th\u00ec t\u1ed1c \u0111\u1ed9 c\u1eaft r\u1ea5t ch\u1eadm v\u00e0 c\u00f3 x\u1ec9.<\/p>\n<p>Nh\u00f4m r\u1ea5t kh\u00f3 c\u1eaft b\u1eb1ng laser v\u00ec nh\u00f4m l\u00e0m ph\u1ea3n x\u1ea1 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn tia laser v\u00e0 l\u01b0\u1ee3ng nhi\u1ec7t truy\u1ec1n v\u00e0o chi ti\u1ebft l\u1edbn v\u00e0 nhanh. N\u1ebfu \u0111i\u1ec1u ch\u1ec9nh ti\u00eau c\u1ef1 tia laser kh\u00f4ng \u0111\u00fang th\u00ec c\u00f3 th\u1ec3 ch\u00f9m tia b\u1ecb ph\u1ea3n x\u1ea1 tr\u1edf l\u1ea1i h\u1ec7 th\u1ed1ng phun g\u00e2y h\u01b0 h\u1ecfng c\u00e1c b\u1ed9 ph\u1eadn quang h\u1ecdc. Trong khi \u0111\u00f3 \u0111\u1ed3ng nguy\u00ean ch\u1ea5t c\u00f2n kh\u00f3 gia c\u00f4ng h\u01a1n so v\u1edbi nh\u00f4m.<br \/>\nC\u00e1c h\u1ee3p kim \u0111\u1ed3ng c\u0169ng c\u00f3 nh\u1eefng \u1ee9ng x\u1eed t\u01b0\u01a1ng t\u1ef1 nh\u01b0 nh\u00f4m. C\u00e1c h\u1ee3p kim n\u1ec1n co-ban c\u00f3 \u0111\u1ed9 c\u1ee9ng r\u1ea5t cao, c\u00f3 t\u00ednh ch\u1ecbu nhi\u1ec7t cao v\u00e0 t\u00ednh ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t. Tuy v\u1eady ch\u00fang l\u1ea1i r\u1ea5t d\u1ec5 c\u1eaft b\u1eb1ng laser. Tuy nhi\u00ean c\u1ea7n ph\u1ea3i xem x\u00e9t c\u00e1c v\u1ebft n\u1ee9t t\u1ebf vi sinh ra tr\u00ean b\u1ec1 m\u1eb7t chi ti\u1ebft khi c\u1eaft b\u1eb1ng laser.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ed7i lo\u1ea1i laser \u0111\u1ec1u c\u00f3 nh\u1eefng c\u00f4ng d\u1ee5ng kh\u00e1c nhau M\u1ed7i lo\u1ea1i laser c\u00f3 \u01b0u \u0111i\u1ec3m ri\u00eang v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c tr\u00ean c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau. C\u00e1c lo\u1ea1i laser th\u00f4ng d\u1ee5ng l\u00e0 laser kh\u00ed CO2 v\u00e0 laser tinh th\u1ec3, laser s\u1ee3i. C\u00e1c lo\u1ea1i laser n\u00e0y \u0111\u1ec1u kinh t\u1ebf v\u00e0 tu\u1ed5i th\u1ecd cao. [&#8230;]\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/www.thucnclaser.com\/index.php?rest_route=\/wp\/v2\/posts\/1003"}],"collection":[{"href":"http:\/\/www.thucnclaser.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.thucnclaser.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.thucnclaser.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.thucnclaser.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1003"}],"version-history":[{"count":4,"href":"http:\/\/www.thucnclaser.com\/index.php?rest_route=\/wp\/v2\/posts\/1003\/revisions"}],"predecessor-version":[{"id":2219,"href":"http:\/\/www.thucnclaser.com\/index.php?rest_route=\/wp\/v2\/posts\/1003\/revisions\/2219"}],"wp:attachment":[{"href":"http:\/\/www.thucnclaser.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1003"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.thucnclaser.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1003"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.thucnclaser.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}