{"id":2146,"date":"2025-03-20T16:31:14","date_gmt":"2025-03-20T08:31:14","guid":{"rendered":"https:\/\/www.3dptek.com\/?p=2146"},"modified":"2025-03-20T16:31:17","modified_gmt":"2025-03-20T08:31:17","slug":"3d-da-yin-sha-xing-zhu-zao-chuan-tong-zhu-zao-chang-lao-ban","status":"publish","type":"post","link":"https:\/\/www.3dptek.com\/vi\/blogs\/3d-da-yin-sha-xing-zhu-zao-chuan-tong-zhu-zao-chang-lao-ban\/","title":{"rendered":"In 3D sand casting, a must-see for traditional foundry owners"},"content":{"rendered":"

Trong ng\u00e0nh \u0111\u00fac truy\u1ec1n th\u1ed1ng, s\u1ea3n xu\u1ea5t khu\u00f4n c\u00e1t lu\u00f4n l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t, chi ph\u00ed v\u00e0 kh\u1ea3 n\u0103ng t\u1ea1o h\u00ecnh c\u00e1c chi ti\u1ebft \u0111\u00fac c\u00f3 c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p. V\u1edbi s\u1ef1 gia t\u0103ng nhu c\u1ea7u c\u1ee7a th\u1ecb tr\u01b0\u1eddng v\u1ec1 c\u00e1c chi ti\u1ebft \u0111\u00fac c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, th\u1eddi gian giao h\u00e0ng ng\u1eafn v\u00e0 c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p, ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o h\u00ecnh th\u1ee7 c\u00f4ng v\u00e0 s\u1ea3n xu\u1ea5t khu\u00f4n truy\u1ec1n th\u1ed1ng \u0111\u00e3 kh\u00f3 c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u s\u1ea3n xu\u1ea5t hi\u1ec7n \u0111\u1ea1i. M\u00e1y in 3D khu\u00f4n c\u00e1t, v\u1edbi t\u01b0 c\u00e1ch l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t gia t\u0103ng ti\u00ean ti\u1ebfn, c\u00f3 th\u1ec3 in tr\u1ef1c ti\u1ebfp c\u00e1c khu\u00f4n c\u00e1t v\u00e0 l\u00f5i khu\u00f4n ph\u1ee9c t\u1ea1p m\u00e0 kh\u00f4ng c\u1ea7n khu\u00f4n, gi\u00fap r\u00fat ng\u1eafn \u0111\u00e1ng k\u1ec3 chu k\u1ef3 s\u1ea3n xu\u1ea5t, gi\u1ea3m chi ph\u00ed v\u00e0 n\u00e2ng cao \u0111\u1ed9 t\u1ef1 do trong thi\u1ebft k\u1ebf. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd th\u1ea3o lu\u1eadn v\u1ec1 l\u00fd do t\u1ea1i sao c\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac truy\u1ec1n th\u1ed1ng n\u00ean xem x\u00e9t vi\u1ec7c \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 in 3D khu\u00f4n c\u00e1t \u0111\u1ec3 n\u00e2ng cao kh\u1ea3 n\u0103ng c\u1ea1nh tranh, t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a th\u1ecb tr\u01b0\u1eddng v\u1ec1 \u0111\u00fac hi\u1ec7u qu\u1ea3 v\u00e0 ch\u00ednh x\u00e1c. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u00e0i vi\u1ebft d\u00e0nh ri\u00eang cho c\u00e1c ch\u1ee7 nh\u00e0 m\u00e1y \u0111\u00fac, hy v\u1ecdng s\u1ebd mang l\u1ea1i nh\u1eefng g\u1ee3i \u00fd h\u1eefu \u00edch cho c\u00e1c b\u1ea1n.<\/p>\n\n\n\n

L\u00e0 ch\u1ee7 x\u01b0\u1edfng \u0111\u00fac, b\u1ea1n c\u00f3 th\u01b0\u1eddng g\u1eb7p ph\u1ea3i t\u00ecnh hu\u1ed1ng nh\u01b0 v\u1eady kh\u00f4ng?<\/h2>\n\n\n\n

\u2014\u2014Kh\u00e1ch h\u00e0ng mu\u1ed1n s\u1ea3n xu\u1ea5t th\u1eed nghi\u1ec7m v\u1edbi s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf, chi ph\u00ed l\u00e0m khu\u00f4n kim lo\u1ea1i l\u00e0 200.000 nh\u00e2n d\u00e2n t\u1ec7, nh\u01b0ng \u0111\u01a1n h\u00e0ng ch\u1ec9 c\u00f3 50 chi\u1ebfc. Sau khi t\u00ednh to\u00e1n, chi ph\u00ed khu\u00f4n c\u00f2n cao h\u01a1n l\u1ee3i nhu\u1eadn thu \u0111\u01b0\u1ee3c, n\u00ean ch\u1ec9 c\u00f2n c\u00e1ch t\u1eeb ch\u1ed1i \u0111\u01a1n h\u00e0ng!
\u2014\u2014Kh\u00e1ch h\u00e0ng \u0111\u00e3 \u0111\u1eb7t h\u00e0ng m\u1ed9t l\u00f4 h\u00e0ng h\u00e0ng kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac t\u1ed5 ong. Sai s\u1ed1 l\u1eafp r\u00e1p l\u00f5i c\u00e1t truy\u1ec1n th\u1ed1ng c\u00f2n l\u1edbn h\u01a1n k\u00edch th\u01b0\u1edbc chi ti\u1ebft, nh\u00ecn v\u00e0o c\u00e1c chi ti\u1ebft \u0111\u00fac b\u1ecb h\u1ecfng th\u1eadt l\u00e0 \u0111au \u0111\u1ea7u!
\u2014\u2014\u0110\u1ed1i th\u1ee7 c\u1ea1nh tranh \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng s\u1ea3n xu\u1ea5t b\u1ed9 pin \u00f4 t\u00f4 n\u1ed5i ti\u1ebfng b\u1eb1ng c\u00f4ng ngh\u1ec7 in 3D. M\u1eb7c d\u00f9 gi\u00e1 th\u1ea7u c\u1ee7a ch\u00fang t\u00f4i th\u1ea5p h\u01a1n \u0111\u1ed1i th\u1ee7 30%, nh\u01b0ng cu\u1ed1i c\u00f9ng v\u1eabn kh\u00f4ng tr\u00fang th\u1ea7u. Sau \u0111\u00f3, ch\u00fang t\u00f4i m\u1edbi bi\u1ebft r\u1eb1ng th\u1eddi gian giao h\u00e0ng c\u1ee7a \u0111\u1ed1i th\u1ee7 nhanh h\u01a1n ch\u00fang t\u00f4i 2 th\u00e1ng, th\u1eadt l\u00e0 b\u1ea5t l\u1ef1c!<\/p>\n\n\n\n

\u2014\u2014Kh\u00e1ch h\u00e0ng th\u01b0\u1eddng xuy\u00ean thay \u0111\u1ed5i thi\u1ebft k\u1ebf, kho ch\u1ee9a h\u01a1n 300 b\u1ed9 khu\u00f4n m\u1eabu \u0111\u00e3 h\u1ecfng, ki\u1ec3m tra s\u1ed5 s\u00e1ch ph\u00e1t hi\u1ec7n ra r\u1eb1ng kho khu\u00f4n m\u1eabu \u0111\u00e3 chi\u1ebfm d\u1ee5ng l\u1ee3i nhu\u1eadn c\u1ee7a n\u1eeda n\u0103m, c\u1ea3m gi\u00e1c n\u00e0y th\u1eadt \u0111au kh\u1ed5!<\/p>\n\n\n\n

\u2014\u2014Kh\u00e1ch h\u00e0ng g\u1eedi \u0111\u1ebfn m\u1ed9t s\u1ea3n ph\u1ea9m c\u00f3 c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p v\u00e0 n\u00f3i r\u1eb1ng gi\u00e1 c\u1ea3 kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1. Sau khi \u0111\u00e1nh gi\u00e1, ch\u00fang t\u00f4i ph\u00e1t hi\u1ec7n ra r\u1eb1ng c\u00f4ng ngh\u1ec7 \u0111\u00fac truy\u1ec1n th\u1ed1ng kh\u00f4ng th\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m n\u00e0y. D\u00f9 \u0111\u00e2y l\u00e0 m\u1ed9t \u0111\u01a1n h\u00e0ng c\u00f3 gi\u00e1 tr\u1ecb gia t\u0103ng cao, ch\u00fang t\u00f4i c\u0169ng ch\u1ec9 c\u00f3 th\u1ec3 t\u1eeb ch\u1ed1i!<\/p>\n\n\n\n

D\u01b0\u1edbi \u0111\u00e2y, ch\u00fang t\u00f4i s\u1ebd gi\u00fap c\u00e1c ch\u1ee7 doanh nghi\u1ec7p l\u00e0m r\u00f5 t\u1eebng v\u1ea5n \u0111\u1ec1, m\u1ed9t b\u00e0i vi\u1ebft gi\u00fap b\u1ea1n hi\u1ec3u to\u00e0n di\u1ec7n v\u1ec1 c\u00f4ng ngh\u1ec7 \u0111\u00fac c\u00e1t in 3D!<\/strong><\/p>\n\n\n\n

3D in sand moulding l\u00e0 g\u00ec?<\/h2>\n\n\n\n

In 3D b\u1eb1ng khu\u00f4n c\u00e1t l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng \u0111\u1ed1i m\u1edbi. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, n\u00f3 gi\u1ed1ng nh\u01b0 vi\u1ec7c x\u1ebfp c\u00e1c kh\u1ed1i g\u1ed7, s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 \"x\u1ebfp ch\u1ed3ng\" t\u1eebng l\u1edbp m\u1ed9t \u0111\u1ec3 t\u1ea1o ra khu\u00f4n c\u00e1t d\u00f9ng cho qu\u00e1 tr\u00ecnh \u0111\u00fac.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng \u0111\u1ec3 t\u1ea1o khu\u00f4n c\u00e1t tr\u01b0\u1edbc \u0111\u00e2y c\u00f3 th\u1ec3 y\u00eau c\u1ea7u ph\u1ea3i l\u00e0m khu\u00f4n tr\u01b0\u1edbc, sau \u0111\u00f3 s\u1eed d\u1ee5ng khu\u00f4n \u0111\u1ec3 t\u1ea1o h\u00ecnh, quy tr\u00ecnh n\u00e0y kh\u00e1 ph\u1ee9c t\u1ea1p. \u0110\u1eb7c bi\u1ec7t, n\u1ebfu c\u1ea7n t\u1ea1o c\u00e1c khu\u00f4n c\u00e1t c\u00f3 h\u00ecnh d\u1ea1ng k\u1ef3 l\u1ea1 ho\u1eb7c ph\u1ee9c t\u1ea1p, qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t kh\u00f3 kh\u0103n v\u00e0 t\u1ed1n k\u00e9m. Tuy nhi\u00ean, in 3D khu\u00f4n c\u00e1t l\u1ea1i kh\u00e1c bi\u1ec7t, n\u00f3 ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh 3D trong m\u00e1y t\u00ednh. B\u1ea1n nh\u1eadp d\u1eef li\u1ec7u m\u00f4 h\u00ecnh 3D c\u1ee7a v\u1eadt \u0111\u00fac \u0111\u00e3 thi\u1ebft k\u1ebf v\u00e0o m\u00e1y in 3D, m\u00e1y in s\u1ebd d\u1ef1a tr\u00ean h\u00ecnh d\u1ea1ng v\u00e0 c\u1ea5u tr\u00fac c\u1ee7a m\u00f4 h\u00ecnh \u0111\u1ec3 r\u1ea3i v\u00e0 k\u1ebft d\u00ednh c\u00e1t \u0111\u1eb7c bi\u1ec7t ho\u1eb7c v\u1eadt li\u1ec7u t\u01b0\u01a1ng t\u1ef1 c\u00e1t m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c theo t\u1eebng l\u1edbp, gi\u1ed1ng nh\u01b0 s\u1eed d\u1ee5ng v\u00f4 s\u1ed1 \"mi\u1ebfng c\u00e1t\" m\u1ecfng \u0111\u1ec3 d\u1ea7n d\u1ea7n x\u00e2y d\u1ef1ng th\u00e0nh m\u1ed9t khu\u00f4n c\u00e1t ho\u00e0n ch\u1ec9nh. Nh\u01b0 v\u1eady, b\u1ea5t k\u1ec3 h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p \u0111\u1ebfn \u0111\u00e2u, mi\u1ec5n l\u00e0 c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf tr\u00ean m\u00e1y t\u00ednh, n\u00f3 \u0111\u1ec1u c\u00f3 th\u1ec3 in ra, v\u00e0 t\u1ed1c \u0111\u1ed9 c\u0169ng kh\u00e1 nhanh, kh\u00f4ng c\u1ea7n ph\u1ea3i ch\u1ebf t\u1ea1o khu\u00f4n ph\u1ee9c t\u1ea1p nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng, gi\u00fap ti\u1ebft ki\u1ec7m r\u1ea5t nhi\u1ec1u th\u1eddi gian v\u00e0 chi ph\u00ed.<\/p>\n\n\n\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y in 3D khu\u00f4n c\u00e1t<\/h2>\n\n\n\n

In 3D b\u1eb1ng khu\u00f4n c\u00e1t th\u01b0\u1eddng s\u1eed d\u1ee5ngC\u00f4ng ngh\u1ec7 phun ch\u1ea5t k\u1ebft d\u00ednh (Binder Jetting, BJ)<\/strong>, nguy\u00ean l\u00fd c\u01a1 b\u1ea3n nh\u01b0 sau:<\/p>\n\n\n\n

    \n
  1. R\u1ea3i c\u00e1t<\/strong>M\u00e1y in tr\u1ea3i \u0111\u1ec1u m\u1ed9t l\u1edbp c\u00e1t \u0111\u00fac \u0111\u1eb7c bi\u1ec7t (nh\u01b0 c\u00e1t silic, c\u00e1t g\u1ed1m ho\u1eb7c c\u00e1t ph\u1ee7 m\u00e0ng) tr\u00ean b\u1ec1 m\u1eb7t in.<\/li>\n\n\n\n
  2. Keo phun<\/strong>\u0110\u1ea7u phun phun keo d\u00e1n ch\u00ednh x\u00e1c theo m\u00f4 h\u00ecnh m\u00e1y t\u00ednh (d\u1eef li\u1ec7u CAD), gi\u00fap c\u00e1c h\u1ea1t c\u00e1t \u1edf khu v\u1ef1c c\u1ee5 th\u1ec3 d\u00ednh ch\u1eb7t v\u00e0o nhau.<\/li>\n\n\n\n
  3. T\u00edch l\u0169y l\u1eb7p l\u1ea1i<\/strong>\uff1aN\u1ec1n t\u1ea3ng h\u1ea1 xu\u1ed1ng, r\u1ea3i c\u00e1t l\u1ea1i v\u00e0 phun ch\u1ea5t k\u1ebft d\u00ednh, t\u1eebng l\u1edbp \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh v\u00e0 \u0111\u1ecbnh h\u00ecnh cho \u0111\u1ebfn khi to\u00e0n b\u1ed9 khu\u00f4n c\u00e1t \u0111\u01b0\u1ee3c in ho\u00e0n t\u1ea5t.<\/li>\n\n\n\n
  4. h\u1eadu x\u1eed l\u00fd<\/strong>Lo\u1ea1i b\u1ecf c\u00e1t l\u1ecfng l\u1ebbo kh\u00f4ng d\u00ednh k\u1ebft, l\u00e0m c\u1ee9ng v\u00e0 l\u00e0m s\u1ea1ch khu\u00f4n c\u00e1t \u0111\u00e3 in, sau \u0111\u00f3 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng cho qu\u00e1 tr\u00ecnh \u0111\u00fac kim lo\u1ea1i.<\/li>\n<\/ol>\n\n\n\n

    3D in sand casting solves which core problems?<\/h2>\n\n\n\n

    M\u1ed7i c\u00f4ng ngh\u1ec7 t\u1ed3n t\u1ea1i ho\u1eb7c ra \u0111\u1eddi \u0111\u1ec1u c\u00f3 \"s\u1ee9 m\u1ec7nh\" c\u1ee7a n\u00f3. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, \u0111\u00f3 l\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ee5 th\u1ec3, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u th\u1ecb tr\u01b0\u1eddng, \u0111\u00f3 ch\u00ednh l\u00e0 gi\u00e1 tr\u1ecb t\u1ed3n t\u1ea1i c\u1ee7a n\u00f3. D\u01b0\u1edbi \u0111\u00e2y, ch\u00fang ta h\u00e3y xem c\u00f4ng ngh\u1ec7 in 3D khu\u00f4n c\u00e1t \u0111\u00e3 gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 kh\u00f3 kh\u0103n n\u00e0o m\u00e0 \u0111\u00fac truy\u1ec1n th\u1ed1ng g\u1eb7p ph\u1ea3i, nh\u01b0 sau:<\/p>\n\n\n\n