{"id":136132,"date":"2025-07-18T11:26:36","date_gmt":"2025-07-18T03:26:36","guid":{"rendered":"https:\/\/www.alpapowder.com\/136132\/"},"modified":"2025-07-18T11:26:36","modified_gmt":"2025-07-18T03:26:36","slug":"chat-luong-cua-cac-bo-phan-kim-loai-in-3d-phu-thuoc-vao-bot","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/136132\/","title":{"rendered":"Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i in 3D ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ed9t"},"content":{"rendered":"

\"\"<\/p>\n

Ch\u1ea5t l\u01b0\u1ee3ng b\u1ed9t kim lo\u1ea1i l\u00e0 nguy\u00ean li\u1ec7u th\u00f4, quy\u1ebft \u0111\u1ecbnh ph\u1ea7n l\u1edbn \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng. Nh\u00ecn chung, \u0111\u1ed9 s\u1ea1ch, h\u00ecnh th\u00e1i v\u00e0 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 ch\u00ednh h\u1ea1n ch\u1ebf hi\u1ec7u su\u1ea5t t\u1ea1o h\u00ecnh c\u1ee7a c\u00e1c chi ti\u1ebft.<\/p>\n

H\u00ecnh th\u00e1i c\u1ee7a b\u1ed9t \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang v\u00e0 \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng, t\u1eeb \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh n\u1ea1p v\u00e0 r\u1ea3i b\u1ed9t c\u0169ng nh\u01b0 hi\u1ec7u su\u1ea5t cu\u1ed1i c\u00f9ng c\u1ee7a c\u00e1c chi ti\u1ebft. Trong s\u1ea3n xu\u1ea5t b\u1ed3i \u0111\u1eafp b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nung ch\u1ea3y l\u1edbp b\u1ed9t, c\u01a1 ch\u1ebf r\u1ea3i b\u1ed9t gi\u00fap c\u00e1c h\u1ea1t b\u1ed9t \u0111\u01b0\u1ee3c r\u1ea3i \u0111\u1ec1u trong khu v\u1ef1c t\u1ea1o h\u00ecnh, v\u00e0 \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng t\u1ed1t l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c l\u1edbp b\u1ed9t \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 ph\u1eb3ng. B\u1ed9t h\u00ecnh c\u1ea7u v\u00e0 g\u1ea7n h\u00ecnh c\u1ea7u c\u00f3 \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng t\u1ed1t, kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang cao, m\u1eadt \u0111\u1ed9 cao v\u00e0 c\u1ea5u tr\u00fac \u0111\u1ed3ng \u0111\u1ec1u, l\u00e0 nh\u1eefng lo\u1ea1i b\u1ed9t nguy\u00ean li\u1ec7u \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng cho s\u1ea3n xu\u1ea5t b\u1ed3i \u0111\u1eafp b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nung ch\u1ea3y l\u1edbp b\u1ed9t.<\/p>\n

Tuy nhi\u00ean, n\u1ebfu b\u1ed9t r\u1ed7ng v\u00e0 b\u1ed9t v\u1ec7 tinh t\u1ed3n t\u1ea1i trong b\u1ed9t h\u00ecnh c\u1ea7u v\u00e0 g\u1ea7n h\u00ecnh c\u1ea7u, hi\u1ec7u su\u1ea5t cu\u1ed1i c\u00f9ng c\u1ee7a c\u00e1c chi ti\u1ebft s\u1ebd b\u1ecb gi\u1ea3m. B\u1ed9t r\u1ed7ng chi\u1ebfm t\u1ef7 l\u1ec7 cao h\u01a1n trong b\u1ed9t c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t l\u1edbn h\u01a1n 70\u00b5m, \u0111i\u1ec1u n\u00e0y s\u1ebd g\u00e2y ra c\u00e1c khuy\u1ebft t\u1eadt nh\u01b0 l\u1ed7 r\u1ed7ng tr\u00ean c\u00e1c chi ti\u1ebft \u0111\u00e3 t\u1ea1o h\u00ecnh kh\u00f3 lo\u1ea1i b\u1ecf; B\u1ed9t v\u1ec7 tinh s\u1ebd l\u00e0m gi\u1ea3m \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng c\u1ee7a b\u1ed9t v\u00e0 c\u1ea3n tr\u1edf s\u1ef1 t\u00edch t\u1ee5 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a b\u1ed9t trong qu\u00e1 tr\u00ecnh tr\u1ea3i c\u00e1c l\u1edbp b\u1ed9t li\u00ean t\u1ee5c, t\u1eeb \u0111\u00f3 g\u00e2y ra khuy\u1ebft t\u1eadt cho chi ti\u1ebft. Do \u0111\u00f3, b\u1ed9t kim lo\u1ea1i d\u00f9ng trong s\u1ea3n xu\u1ea5t b\u1ed3i \u0111\u1eafp b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nung ch\u1ea3y l\u1edbp b\u1ed9t n\u00ean gi\u1ea3m thi\u1ec3u t\u1ef7 l\u1ec7 b\u1ed9t r\u1ed7ng v\u00e0 b\u1ed9t v\u1ec7 tinh trong nguy\u00ean li\u1ec7u b\u1ed9t.<\/p>\n

Ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t b\u1ed9t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 th\u00e0nh ph\u1ea7n v\u00e0 s\u1ef1 thay \u0111\u1ed5i c\u1ee7a c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau trong h\u1ec7 th\u1ed1ng h\u1ea1t b\u1ed9t, v\u00e0 l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a h\u1ea1t b\u1ed9t.<\/p>\n

K\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng tr\u1ea3i b\u1ed9t, t\u1ed1c \u0111\u1ed9 t\u1ea1o h\u00ecnh, \u0111\u1ed9 ch\u00ednh x\u00e1c t\u1ea1o h\u00ecnh v\u00e0 t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u1ec1 m\u1eb7t t\u1ed5 ch\u1ee9c c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t b\u1ed3i \u0111\u1eafp. \u0110\u1ed1i v\u1edbi c\u00e1c quy tr\u00ecnh kh\u00e1c nhau, k\u00edch th\u01b0\u1edbc h\u1ea1t b\u1ed9t \u0111\u01b0\u1ee3c ch\u1ecdn c\u0169ng kh\u00e1c nhau. Nh\u00ecn chung, c\u00f4ng ngh\u1ec7 nung ch\u1ea3y ch\u1ecdn l\u1ecdc b\u1eb1ng laser (SLM) ch\u1ecdn b\u1ed9t c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t t\u1eeb 15~45\u00b5m, v\u00e0 c\u00f4ng ngh\u1ec7 nung ch\u1ea3y ch\u1ecdn l\u1ecdc b\u1eb1ng ch\u00f9m tia \u0111i\u1ec7n t\u1eed (SEBM) ch\u1ecdn b\u1ed9t c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t t\u1eeb 45~106\u00b5m.<\/p>\n

Theo quan \u0111i\u1ec3m nhi\u1ec7t \u0111\u1ed9ng l\u1ef1c h\u1ecdc v\u00e0 \u0111\u1ed9ng h\u1ecdc, c\u00e1c h\u1ea1t b\u1ed9t c\u00e0ng nh\u1ecf th\u00ec di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang c\u00e0ng l\u1edbn v\u00e0 \u0111\u1ed9ng l\u1ef1c thi\u00eau k\u1ebft c\u00e0ng l\u1edbn, t\u1ee9c l\u00e0 c\u00e1c h\u1ea1t b\u1ed9t nh\u1ecf c\u00f3 l\u1ee3i cho vi\u1ec7c t\u1ea1o h\u00ecnh chi ti\u1ebft. Tuy nhi\u00ean, b\u1ed9t c\u00f3 h\u1ea1t qu\u00e1 m\u1ecbn s\u1ebd l\u00e0m gi\u1ea3m \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng, t\u1ef7 tr\u1ecdng r\u1eddi r\u1ea1c v\u00e0 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n c\u1ee7a b\u1ed9t, \u0111\u1ed3ng th\u1eddi kh\u1ea3 n\u0103ng t\u1ea1o h\u00ecnh c\u1ee7a b\u1ed9t s\u1ebd k\u00e9m \u0111i, v\u00e0 d\u1ec5 x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng c\u1ea7u h\u00f3a trong qu\u00e1 tr\u00ecnh in. K\u00edch th\u01b0\u1edbc h\u1ea1t b\u1ed9t qu\u00e1 th\u00f4 s\u1ebd l\u00e0m gi\u1ea3m ho\u1ea1t \u0111\u1ed9ng thi\u00eau k\u1ebft, \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a b\u1ed9t v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c khi t\u1ea1o h\u00ecnh.<\/p>\n

Do \u0111\u00f3, theo y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c chi ti\u1ebft cu\u1ed1i c\u00f9ng, b\u1ed9t th\u00f4 v\u00e0 b\u1ed9t m\u1ecbn \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p ph\u00f9 h\u1ee3p \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u1ef7 tr\u1ecdng kh\u1ed1i v\u00e0 \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng c\u1ee7a b\u1ed9t, c\u00f3 l\u1ee3i cho qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t b\u1ed3i \u0111\u1eafp b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nung ch\u1ea3y l\u1edbp b\u1ed9t. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u tin r\u1eb1ng trong ph\u1ea1m vi k\u00edch th\u01b0\u1edbc h\u1ea1t chung c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t b\u1ed3i \u0111\u1eafp b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nung ch\u1ea3y l\u1edbp b\u1ed9t laser, vi\u1ec7c s\u1eed d\u1ee5ng ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t r\u1ed9ng h\u01a1n c\u00f3 th\u1ec3 l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng l\u1ea5p \u0111\u1ea7y c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf v\u00e0o c\u00e1c kho\u1ea3ng tr\u1ed1ng gi\u1eefa c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn v\u00e0 c\u1ea3i thi\u1ec7n m\u1eadt \u0111\u1ed9 l\u1edbp b\u1ed9t trong qu\u00e1 tr\u00ecnh ph\u1ee7 b\u1ed9t.<\/p>\n

T\u1eeb t\u00ecnh h\u00ecnh nghi\u00ean c\u1ee9u hi\u1ec7n t\u1ea1i v\u1ec1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a s\u1ef1 thay \u0111\u1ed5i \u0111\u1eb7c t\u00ednh b\u1ed9t \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng t\u1ea1o h\u00ecnh, s\u1ef1 thay \u0111\u1ed5i v\u1ec1 k\u00edch th\u01b0\u1edbc b\u1ed9t, h\u00ecnh th\u00e1i v\u00e0 tr\u1ea1ng th\u00e1i b\u1ec1 m\u1eb7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ph\u00e2n t\u00e1n b\u1ed9t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng t\u1ea1o h\u00ecnh c\u1ee7a b\u1ed9t. V\u1ec1 m\u1eadt \u0111\u1ed9 t\u1ea1o h\u00ecnh, ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1ee3p l\u00fd, \u0111\u1ed9 c\u1ea7u cao h\u01a1n v\u00e0 \u0111\u1ed9 k\u1ebft d\u00ednh gi\u1eefa c\u00e1c h\u1ea1t gi\u1ea3m c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n m\u1eadt \u0111\u1ed9 r\u1eddi r\u1ea1c v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng ph\u00e2n t\u00e1n b\u1ed9t c\u1ee7a b\u1ed9t, gi\u1ea3m h\u01a1n n\u1eefa s\u1ed1 l\u01b0\u1ee3ng l\u1ed7 r\u1ed7ng v\u00e0 khuy\u1ebft t\u1eadt ch\u01b0a n\u00f3ng ch\u1ea3y trong m\u1eabu t\u1ea1o h\u00ecnh, v\u00e0 c\u1ea3i thi\u1ec7n m\u1eadt \u0111\u1ed9 t\u1ea1o h\u00ecnh.<\/p>\n","protected":false},"excerpt":{"rendered":"

H\u00ecnh th\u00e1i c\u1ee7a b\u1ed9t \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang v\u00e0 \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng, t\u1eeb \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh n\u1ea1p v\u00e0 r\u1ea3i b\u1ed9t c\u0169ng nh\u01b0 hi\u1ec7u su\u1ea5t cu\u1ed1i c\u00f9ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn.<\/p>\n","protected":false},"author":7,"featured_media":136107,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-136132","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/136132","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=136132"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/136132\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/136107"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=136132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=136132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=136132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}