{"id":13773,"date":"2019-11-08T01:03:19","date_gmt":"2019-11-08T01:03:19","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=13773"},"modified":"2020-05-07T07:01:54","modified_gmt":"2020-05-07T07:01:54","slug":"what-you-should-know-about-3d-printing","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/what-you-should-know-about-3d-printing\/","title":{"rendered":"Nh\u1eefng \u0111i\u1ec1u b\u1ea1n n\u00ean bi\u1ebft v\u1ec1 In 3D"},"content":{"rendered":"

V\u1edbi gi\u00e1 c\u1ea3 c\u1ee7a m\u00e1y in 3D \u0111\u00e3 gi\u1ea3m trong th\u1eddi hi\u1ec7n \u0111\u1ea1i, th\u1eadt an to\u00e0n khi n\u00f3i r\u1eb1ng m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u c\u00f3 quy\u1ec1n truy c\u1eadp \u0111\u1ec3 s\u1eed d\u1ee5ng m\u00e1y cho m\u1ee5c \u0111\u00edch ri\u00eang c\u1ee7a h\u1ecd. Tr\u01b0\u1edbc khi mua m\u00e1y in 3D c\u1ee7a ri\u00eang b\u1ea1n, c\u00f3 l\u1ebd b\u1ea1n quan t\u00e2m \u0111\u1ebfn l\u1ecbch s\u1eed v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a m\u00e1y in 3D.<\/p>

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In 3D l\u00e0 g\u00ec?<\/h2>

So s\u00e1nh v\u1edbi ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o h\u00ecnh v\u1eadt li\u1ec7u nh\u01b0 khoan, \u0111\u00f3 l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh th\u00eam v\u1eadt li\u1ec7u, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ea3n xu\u1ea5t ph\u1ee5 gia, t\u1ea1o m\u1eabu nhanh v\u00e0 ch\u1ebf t\u1ea1o d\u1ea1ng t\u1ef1 do r\u1eafn, thay v\u00ec lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u d\u01b0 ra kh\u1ecfi ph\u00f4i. N\u00f3 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u \u0111\u1ec3 s\u1eed d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i v\u00e0o cu\u1ed1i nh\u1eefng n\u0103m 1900 b\u1edfi Charles Hull. Theo sau l\u00e0 nhi\u1ec1u c\u00f4ng ty in 3D c\u00f4ng nghi\u1ec7p. Cho \u0111\u1ebfn ng\u00e0y nay, in 3D \u0111\u00e3 tr\u1edf n\u00ean c\u00f3 s\u1eb5n tr\u00ean th\u1ecb tr\u01b0\u1eddng cho \u0111\u1ea1i ch\u00fang.<\/p>

N\u00f3 ch\u1ee7 y\u1ebfu d\u1ef1a tr\u00ean c\u01a1 ch\u1ebf t\u00f9y \u00fd v\u00e0 b\u1ed5 sung. C\u00f3 nhi\u1ec1u c\u00f4ng ngh\u1ec7 in 3D kh\u00e1c nhau bao g\u1ed3m EBF v\u00e0 FDM, v.v ... M\u1ed7i lo\u1ea1i in 3D \u0111\u1ec1u \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c t\u1ea1o th\u00e0nh m\u1ed9t b\u1ed9 ph\u1eadn v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau. V\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn \u0111\u1ec3 in 3D l\u00e0 s\u1ee3i th\u1ee7y tinh, nylon b\u1ec1n, th\u1ea1ch cao, nh\u00f4m, h\u1ee3p kim Ti, th\u00e9p kh\u00f4ng g\u1ec9, kim lo\u1ea1i qu\u00fd, cao su.<\/p>

\u0110\u1ec3 t\u1ea1o m\u1ed9t b\u1ea3n in 3D, b\u1ea1n s\u1eed d\u1ee5ng m\u00e1y in 3D \u0111\u1eb7t c\u00e1c l\u1edbp v\u1eadt li\u1ec7u li\u00ean ti\u1ebfp cho \u0111\u1ebfn khi to\u00e0n b\u1ed9 \u0111\u1ed1i t\u01b0\u1ee3ng ho\u00e0n th\u00e0nh.<\/p>

\"\"<\/figure>

In 3D c\u00f3 kh\u1ea3 n\u0103ng l\u00e0 g\u00ec?<\/strong> <\/h2>

In 3D l\u00e0 ph\u00f9 h\u1ee3p ngo\u1ea1n m\u1ee5c cho DIY ho\u1eb7c th\u1ee7 c\u00f4ng th\u1ee7 c\u00f4ng. Th\u1eadt ti\u1ec7n l\u1ee3i khi s\u1ea3n xu\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn nh\u1ecf \u0111\u1ec3 l\u1eafp r\u00e1p tr\u00ean khung c\u1ee7a v\u1eadt th\u1ec3 ho\u1eb7c th\u1eadm ch\u00ed t\u1ea1o ra m\u1ed9t th\u00e2n tr\u00f2n cho n\u00f3. Nh\u1eefng \u0111\u1ed1i t\u01b0\u1ee3ng n\u00e0y thay \u0111\u1ed5i t\u1eeb m\u1ed9t n\u00fam c\u1eeda t\u00f9y ch\u1ec9nh \u0111\u1ec3 gi\u1ea3. S\u1ea3n xu\u1ea5t nh\u1eefng th\u1ee9 c\u00f3 c\u1ea5u h\u00ecnh ph\u1ee9c t\u1ea1p v\u00e0 c\u00e1c k\u00eanh cong b\u00ean trong, m\u00e0 h\u1ea7u nh\u01b0 kh\u00f4ng th\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c b\u1eb1ng gia c\u00f4ng CNC.<\/p>

\"\"<\/figure>

G\u00ec<\/strong>'<\/strong>s ng\u01b0\u1ee1ng cho c\u00f4ng ngh\u1ec7 in 3D?<\/strong><\/h2>

In 3D s\u1edf h\u1eefu nh\u1eefng l\u1ee3i th\u1ebf \u0111\u00e1ng k\u1ec3 so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o h\u00ecnh th\u00f4ng th\u01b0\u1eddng. tuy nhi\u00ean, n\u00f3 ch\u01b0a th\u1ec3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 ho\u00e0n to\u00e0n linh ho\u1ea1t. In 3D ho\u00e0n to\u00e0n b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi k\u00edch th\u01b0\u1edbc c\u1ee7a m\u00e1y in 3D. Ngo\u1ea1i tr\u1eeb \u0111i\u1ec1u \u0111\u00f3, m\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00e1c ch\u01b0a \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft l\u00e0 m\u1ed7i l\u1ea7n ch\u1ec9 c\u00f3 m\u1ed9t v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e9p \u0111\u1ea9y ra kh\u1ecfi \u0111\u1ea7u m\u00e1y in. B\u00ean c\u1ea1nh \u0111\u00f3, v\u1eabn c\u00f2n m\u1ed9t ch\u00fat kh\u00f3 kh\u0103n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ed7n h\u1ee3p c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau. M\u1eb7c d\u00f9 \u0111\u00e3 c\u00f3 m\u00e1y in \u0111\u01a1n v\u1ecb kh\u1ed5ng l\u1ed3 v\u00e0 m\u00e1y in v\u1eadt li\u1ec7u \u0111\u1ed9t bi\u1ebfn, ph\u01b0\u01a1ng ti\u1ec7n \u0111\u1ec3 kh\u1eafc ph\u1ee5c hi\u1ec7u qu\u1ea3 hai v\u1ea5n \u0111\u1ec1 v\u1eabn l\u00e0 ph\u1ea7n \u1ee9ng v\u00e0 chi ph\u00ed.<\/p>

M\u1ed1i quan h\u1ec7 gi\u1eefa 3D v\u00e0 4D l\u00e0 g\u00ec?<\/h2>

S\u1ea3n ph\u1ea9m in 3D l\u00e0 t\u0129nh. H\u1ecd ra kh\u1ecfi v\u00f2i v\u00e0 \u1edf d\u1ea1ng \u1ed5n \u0111\u1ecbnh. M\u1eb7c d\u00f9 in 4D n\u00ean \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t c\u00e1c v\u1eadt th\u1ec3 v\u1edbi c\u00e1c v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng v\u1edbi s\u1ef1 k\u00edch th\u00edch t\u1eeb m\u00f4i tr\u01b0\u1eddng xung quanh, ch\u1eb3ng h\u1ea1n nh\u01b0 nhi\u1ec7t v\u00e0 g\u1eb7p ph\u1ea3i n\u01b0\u1edbc, v.v. L\u1ea5y v\u00ed d\u1ee5 v\u1ec1 m\u1ed9t lo\u1ea1i \u1ed1ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch in 4D. N\u00f3 c\u00f3 th\u1ec3 t\u1ef1 s\u1eeda ch\u1eefa b\u1eb1ng c\u00e1ch d\u00e1n khi n\u00f3 c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t \u00e1p l\u1ef1c \u0111i\u1ec3m b\u00ean trong thay \u0111\u1ed5i v\u00e0 \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t gi\u00e1 tr\u1ecb nh\u1ea5t \u0111\u1ecbnh. \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t gi\u1ea3 \u0111\u1ecbnh m\u00e0 l\u00e0 m\u1ed9t th\u1ef1c t\u1ebf \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1edfi c\u00e1c nh\u00e0 khoa h\u1ecdc.<\/p>

\"\"<\/figure>

Nh\u1eefng lo\u1ea1i c\u00f4ng ngh\u1ec7 in 3D ch\u00ednh l\u00e0 g\u00ec?<\/strong><\/strong><\/h2>

N\u00f3i chung, c\u00f3 5 lo\u1ea1i ph\u01b0\u01a1ng ph\u00e1p in 3D \u0111\u1ec3 t\u1ea1o c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng trong in 3D.<\/p>

M\u00f4 h\u00ecnh l\u1eafng \u0111\u1ecdng h\u1ee3p nh\u1ea5t (FDM)<\/h3>

\u0110\u00e2y th\u1ef1c s\u1ef1 l\u00e0 c\u00f4ng ngh\u1ec7 in 3D ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong in 3D tr\u00ean m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n. Sau khi qu\u00e9t t\u1ea5t c\u1ea3 c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ee7a l\u1edbp, n\u00f3 \u0111\u00f9n m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u nhi\u1ec7t d\u1ebbo l\u00ean l\u1edbp n\u1ec1n t\u1ea3ng l\u00e0m vi\u1ec7c theo t\u1eebng l\u1edbp. M\u1ed7i l\u1edbp g\u1eafn li\u1ec1n v\u1edbi m\u1ed9t b\u00ean d\u01b0\u1edbi n\u00f3. <\/p>

Ch\u1ee5p \u1ea3nh l\u1eadp th\u1ec3 (SLA)<\/strong><\/strong><\/h3>

Trong qu\u00e1 tr\u00ecnh in n\u00e0y, n\u1ec1n t\u1ea3ng x\u00e2y d\u1ef1ng c\u1ee7a n\u00f3 r\u01a1i xu\u1ed1ng m\u1ed9t b\u1ed3n t\u1eafm ch\u1ee9a \u0111\u1ea7y nh\u1ef1a photopolyme \u0111\u1eb7c bi\u1ec7t. Nh\u1ef1a r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi \u00e1nh s\u00e1ng v\u00e0 tr\u1edf n\u00ean r\u1eafn ch\u1eafc khi ti\u1ebfp x\u00fac v\u1edbi tia laser. M\u1ed7i m\u1eb7t c\u1eaft ngang c\u1ee7a m\u00f4 h\u00ecnh 3D \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 tr\u00ean nh\u1ef1a \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u01b0\u1edbc \u0111\u00f3 layer.\u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i t\u1eebng l\u1edbp cho \u0111\u1ebfn khi \u0111\u1ed1i t\u01b0\u1ee3ng 3D ho\u00e0n th\u00e0nh.<\/p>

Thi\u00eau k\u1ebft laser ch\u1ecdn l\u1ecdc (SLS)<\/strong><\/strong><\/h3>

To\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh SLS bao g\u1ed3m c\u00e1c ch\u00f9m tia laser k\u1ebft h\u1ee3p v\u1eadt li\u1ec7u b\u1ed9t l\u1ea1i v\u1edbi nhau. L\u1edbp v\u1eadt li\u1ec7u b\u1ed9t \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c l\u0103n \u0111\u1ec1u tr\u00ean n\u1ec1n t\u1ea3ng t\u00f2a nh\u00e0 v\u00e0 c\u00e1c l\u1edbp m\u00f4 h\u00ecnh 3D \u0111\u01b0\u1ee3c h\u1ee3p nh\u1ea5t v\u1edbi nhau b\u1eb1ng tia laser. Ti\u1ebfp theo, h\u1ea1 th\u1ea5p chi\u1ec1u r\u1ed9ng c\u1ee7a n\u1ec1n t\u1ea3ng t\u00f2a nh\u00e0 m\u1ed9t l\u1edbp v\u00e0 l\u0103n l\u1edbp b\u1ed9t ti\u1ebfp theo v\u00e0o v\u1ecb tr\u00ed. L\u1eb7p l\u1ea1i qu\u00e1 tr\u00ecnh n\u00e0y cho \u0111\u1ebfn khi \u0111\u1ed1i t\u01b0\u1ee3ng 3D ho\u00e0n th\u00e0nh. B\u1edfi v\u00ec \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c bao quanh b\u1edfi v\u1eadt li\u1ec7u (kh\u00f4ng s\u1eed d\u1ee5ng) trong su\u1ed1t qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng, kh\u00f4ng c\u1ea7n c\u1ea5u tr\u00fac h\u1ed7 tr\u1ee3 nh\u01b0 trong quy tr\u00ecnh FDM .<\/p>

K\u1ef9 thu\u1eadt n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u v\u1eadt li\u1ec7u kh\u00e1c nhau, t\u1eeb nh\u1ef1a \u0111\u1ebfn kim lo\u1ea1i.<\/p>

Laser n\u00f3ng ch\u1ea3y ch\u1ecdn l\u1ecdc (SLM)<\/strong><\/strong><\/h3>

S\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn duy nh\u1ea5t gi\u1eefa SLM v\u00e0 SLS l\u00e0 SLM s\u1eed d\u1ee5ng tia laser v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 cao h\u01a1n v\u00e0 ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 b\u1ed9t kim lo\u1ea1i. Trong quy tr\u00ecnh SLM, t\u1ea5t c\u1ea3 c\u00e1c h\u1ea1t kim lo\u1ea1i nh\u1ecf \u0111\u01b0\u1ee3c nung ch\u1ea3y \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t kh\u1ed1i kim lo\u1ea1i tr\u00f2n tr\u01b0\u1edbc khi cu\u1ed1i c\u00f9ng n\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh l\u1ea1i b\u1ea3n in cu\u1ed1i c\u00f9ng.<\/p>

Ch\u1ea5t k\u1ebft d\u00ednh<\/strong><\/strong><\/h3>

Gi\u1ed1ng nh\u01b0 luy\u1ec7n kim b\u1ed9t, ch\u1ea5t k\u1ebft d\u00ednh \u0111\u1ea7u ti\u00ean l\u00e0 b\u1ed9t x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 nung ch\u1ea3y ch\u00fang, v\u00ed d\u1ee5 nh\u01b0 m\u1ed9t s\u1ed1 kim lo\u1ea1i, v\u00e0 sau \u0111\u00f3 d\u00e1n ch\u00fang b\u1eb1ng ch\u1ea5t k\u1ebft d\u00ednh   <\/p>

N\u00f3 \u0111\u01b0\u1ee3c ph\u00e9p \u0111\u01b0a c\u00e1c s\u1eafc t\u1ed1 v\u00e0o h\u1ed7n h\u1ee3p nguy\u00ean li\u1ec7u th\u00f4 \u0111\u1ec3 in c\u00e1c m\u00e0u kh\u00e1c nhau.<\/p>

<\/p>

V\u00ec in 3D kh\u00f4ng ho\u00e0n to\u00e0n \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p nh\u1eadn to\u00e0n c\u1ea7u v\u00e0 n\u00f3 ch\u1ec9 \u0111\u01b0\u1ee3c tri\u1ec3n khai s\u00e2u r\u1ed9ng trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, n\u00ean c\u00f2n qu\u00e1 s\u1edbm \u0111\u1ec3 bi\u1ebft ch\u1eafc ch\u1eafn li\u1ec7u in 3D s\u1ebd l\u00e0 m\u1ed9t tr\u00f2 ch\u01a1i thay \u0111\u1ed5i so v\u1edbi c\u00e1c c\u00e1ch s\u1ea3n xu\u1ea5t truy\u1ec1n th\u1ed1ng. Th\u1ed1ng k\u00ea ng\u00e0y c\u00e0ng t\u0103ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p in 3D cho th\u1ea5y n\u00f3 s\u1ebd b\u1ecb l\u1eadt \u0111\u1ed5, nh\u01b0ng ch\u1ec9 c\u00f3 th\u1eddi gian m\u1edbi c\u00f3 th\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c li\u1ec7u t\u00e1c \u0111\u1ed9ng n\u00e0y c\u00f3 ph\u1ed5 bi\u1ebfn hay kh\u00f4ng. Ch\u00fang t\u00f4i \u0111ang ch\u1edd \u0111\u1ee3i t\u01b0\u01a1ng lai v\u1edbi vi\u1ec7c in 3D s\u1eafp t\u1edbi.<\/p><\/div>","protected":false},"excerpt":{"rendered":"

With pricing of 3D printers comes down in modern time, it\u2019s safe to say everybody have gotten the access to exert the machine for their own purpose. Before purchasing your own 3D printer, you are probably interested in 3D printer\u2019s history and development. What is 3D printing? Comparing to material removal forming method such as drilling,…<\/p>","protected":false},"author":2,"featured_media":19648,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[79],"tags":[],"class_list":["post-13773","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-materials-weekly"],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/11\/1-4.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/13773","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=13773"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/13773\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media\/19648"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=13773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=13773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=13773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}