{"id":4912,"date":"2026-03-27T00:00:21","date_gmt":"2026-03-26T16:00:21","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4912"},"modified":"2026-03-23T17:03:37","modified_gmt":"2026-03-23T09:03:37","slug":"bot-gi-duoc-su-dung-trong-duc-bot-bi-mat","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/vi\/news-blog\/industry-news\/what-foam-is-used-in-lost-foam-casting\/","title":{"rendered":"B\u1ecdt g\u00ec \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong Lost Foam Casting"},"content":{"rendered":"

M\u1ea5t b\u1ecdt \u0111\u00fac<\/strong><\/a>, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u00fac m\u1eabu bay h\u01a1i ho\u1eb7c EPC, l\u00e0 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 \u0111\u00fac kim lo\u1ea1i. N\u00f3 l\u00e0m cho c\u00e1c b\u1ed9 ph\u1eadn ph\u1ee9c t\u1ea1p v\u1edbi r\u1ea5t \u00edt gia c\u00f4ng b\u1ed5 sung c\u1ea7n thi\u1ebft. Ph\u1ea7n ch\u00ednh c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 m\u00f4 h\u00ecnh b\u1ecdt. M\u00f4 h\u00ecnh n\u00e0y \u0111\u1ecbnh h\u00ecnh kh\u00f4ng gian khu\u00f4n v\u00e0 bi\u1ebfn th\u00e0nh h\u01a1i n\u01b0\u1edbc khi kim lo\u1ea1i n\u00f3ng ch\u1ea1m v\u00e0o n\u00f3. Ch\u1ecdn b\u1ecdt ph\u00f9 h\u1ee3p gi\u00fap ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a ph\u1ea7n \u0111\u00fac. N\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 m\u1ecbn b\u1ec1 m\u1eb7t, \u0111\u1ed9 ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc v\u00e0 to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh ch\u1ea1y t\u1ed1t nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n

H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi trong ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1eed d\u1ee5ng polystyrene m\u1edf r\u1ed9ng (EPS) l\u00e0m b\u1ecdt ch\u00ednh cho M\u1ea5t b\u1ecdt \u0111\u00fac<\/strong><\/a>. M\u1ea3nh n\u00e0y nh\u00ecn v\u00e0o c\u00e1c lo\u1ea1i b\u1ecdt m\u00e0 m\u1ecdi ng\u01b0\u1eddi ch\u1ecdn, c\u00e1c t\u00ednh n\u0103ng quan tr\u1ecdng c\u1ee7a h\u1ecd, c\u00e1ch t\u1ea1o ra c\u00e1c m\u1eabu, c\u00e1c quy t\u1eafc nh\u1eb7t b\u1ecdt, c\u00e1ch n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi qu\u00e1 tr\u00ecnh v\u00e0 k\u1ebft qu\u1ea3 t\u1ed1t m\u00e0 n\u00f3 mang l\u1ea1i. Bi\u1ebft c\u00e1c chi ti\u1ebft n\u00e0y cho ph\u00e9p c\u00e1c nh\u00e0 m\u00e1y c\u1ea3i thi\u1ec7n c\u00f4ng vi\u1ec7c \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t c\u1ee7a h\u1ecd. H\u1ecd s\u1eed d\u1ee5ng n\u00f3 cho c\u00e1c b\u1ed9 ph\u1eadn \u00f4 t\u00f4, m\u1ea3nh m\u00e1y v\u00e0 c\u00e1c m\u1eb7t h\u00e0ng kh\u00e1c c\u1ea7n \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n

\"B\u1ecdt<\/p>\n

Hi\u1ec3u qu\u00e1 tr\u00ecnh \u0111\u00fac x\u1ed1p b\u1ecb m\u1ea5t<\/strong><\/h2>\n

Thi\u1ebft k\u1ebf m\u1eabu b\u1ecdt cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/strong><\/h3>\n

Qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t b\u1eaft \u0111\u1ea7u khi c\u00f4ng nh\u00e2n t\u1ea1o ra m\u1ed9t m\u1eabu b\u1ecdt. M\u1eabu n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi h\u00ecnh d\u1ea1ng ph\u1ea7n cu\u1ed1i c\u00f9ng. N\u00f3 bao g\u1ed3m c\u00e1c k\u00eanh b\u00ean trong v\u00e0 c\u00e1c chi ti\u1ebft kh\u00f3 kh\u0103n.<\/p>\n

S\u01a1n ch\u1ed1ng ch\u00e1y v\u00e0 chu\u1ea9n b\u1ecb khu\u00f4n c\u00e1t kh\u00f4<\/strong><\/h3>\n

C\u00f4ng nh\u00e2n \u0111\u1eb7t m\u1ed9t l\u1edbp ph\u1ee7 ch\u1ed1ng ch\u00e1y m\u1ecfng tr\u00ean m\u00f4 h\u00ecnh. Sau \u0111\u00f3 h\u1ecd \u0111\u1eb7t n\u00f3 trong c\u00e1t kh\u00f4 l\u1ecfng l\u1ecfng b\u00ean trong m\u1ed9t chai. Kim lo\u1ea1i n\u00f3ng ch\u1ea3y qua h\u1ec7 th\u1ed1ng c\u1eeda. N\u00f3 \u0111\u1ed1t ch\u00e1y b\u1ecdt v\u00e0 l\u1ea5p \u0111\u1ea7y kh\u00f4ng gian tr\u1ed1ng \u0111\u1ec3 l\u00e0m cho ph\u1ea7n \u0111\u00fac.<\/p>\n

L\u1ee3i th\u1ebf c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac b\u1ecdt \u00edt m\u1ea5t<\/strong><\/h3>\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y m\u00e0 kh\u00f4ng c\u00f3 m\u1ed9t khoang s\u1ebd lo\u1ea1i b\u1ecf c\u00e1c l\u00f5i th\u00f4ng th\u01b0\u1eddng v\u00e0 c\u00e1c \u0111\u01b0\u1eddng chia. N\u00f3 cho ph\u00e9p c\u00e1c b\u1ed9 ph\u1eadn g\u1ea7n v\u1edbi h\u00ecnh d\u1ea1ng cu\u1ed1i c\u00f9ng. M\u00f4 h\u00ecnh b\u1ecdt c\u1ea7n duy tr\u00ec m\u1ea1nh m\u1ebd trong qu\u00e1 tr\u00ecnh l\u1edbp ph\u1ee7 v\u00e0 \u00e9p c\u00e1t. Tuy nhi\u00ean, n\u00f3 ph\u1ea3i ph\u00e1 v\u1ee1 ho\u00e0n to\u00e0n m\u00e0 kh\u00f4ng \u0111\u1ec3 l\u1ea1i nh\u1eefng m\u1ea3nh v\u1ee1 ph\u00eda sau.<\/p>\n

Khu v\u1ef1c s\u1ea3n xu\u1ea5t trong nh\u00e0 m\u00e1y \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/strong><\/h3>\n

B\u1ecdt \u0111\u00fang cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t cho ph\u00e9p kh\u00ed tho\u00e1t d\u1ec5 d\u00e0ng. N\u00f3 ng\u0103n ch\u1eb7n c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 l\u1ed7 ho\u1eb7c d\u1ea5u carbon. N\u00f3 c\u0169ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho c\u00e1c chuy\u1ebfn s\u1ea3n xu\u1ea5t l\u1edbn. Khu v\u1ef1c tr\u1eafng x\u1eed l\u00fd vi\u1ec7c t\u1ea1o m\u1eabu. V\u00f9ng m\u00e0u v\u00e0ng li\u00ean quan \u0111\u1ebfn l\u1edbp ph\u1ee7. Khu v\u1ef1c \u0111en ch\u0103m s\u00f3c c\u00e1t v\u00e0 \u0111\u1ed5.<\/p>\n

Ch\u1ea5t li\u1ec7u b\u1ecdt ch\u00ednh trong \u0111\u00fac b\u1ecdt m\u1ea5t: Polystyrene m\u1edf r\u1ed9ng (EPS)<\/strong><\/h2>\n

T\u1ea1i sao Polystyrene m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/strong><\/h3>\n

Polystyrene m\u1edf r\u1ed9ng (EPS) l\u00e0 v\u1eadt li\u1ec7u b\u1ecdt th\u00f4ng th\u01b0\u1eddng trong h\u1ea7u h\u1ebft c\u00e1c thi\u1ebft l\u1eadp \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t.<\/p>\n

C\u1ea5u tr\u00fac v\u00e0 th\u00e0nh ph\u1ea7n c\u1ee7a h\u1ea1t b\u1ecdt EPS<\/strong><\/h3>\n

EPS c\u00f3 kho\u1ea3ng 2,5% polystyrene v\u00e0 97,5% kh\u00f4ng kh\u00ed. M\u1ecdi ng\u01b0\u1eddi m\u1edf r\u1ed9ng h\u1ea1t polystyrene nh\u1ecf v\u1edbi h\u01a1i n\u01b0\u1edbc trong m\u1ed9t khu\u00f4n. C\u1ea5u tr\u00fac \u00e1nh s\u00e1ng cung c\u1ea5p ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc t\u1ed1t v\u00e0 \u0111\u1ed1t s\u1ea1ch.<\/p>\n

H\u00e0nh vi b\u1ed1c h\u01a1i EPS trong khi \u0111\u1ed5 kim lo\u1ea1i<\/strong><\/h3>\n

Khi \u0111\u00fac x\u1ea3y ra, EPS bi\u1ebfn th\u00e0nh kh\u00ed. Kh\u00ed r\u1eddi \u0111i qua khu\u00f4n c\u00e1t m\u1edf. N\u00f3 kh\u00f4ng \u0111\u1ec3 l\u1ea1i ch\u1ea5t th\u1ea3i r\u1eafn n\u1ebfu \u0111i\u1ec1u ki\u1ec7n v\u1eabn \u0111\u00fang.<\/p>\n

\u0110\u00fac ch\u00ednh x\u00e1c \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u1edbi m\u1eabu b\u1ecdt EPS<\/strong><\/h3>\n

Vi\u1ec7c \u0111\u1ed1t s\u1ea1ch n\u00e0y l\u00e0m cho EPS t\u1ed1t cho nh\u00f4m, s\u1eaft ductile, s\u1eaft x\u00e1m v\u00e0 m\u1ed9t s\u1ed1 h\u1ee3p kim th\u00e9p. C\u00e1c m\u1eabu EPS gi\u1eef k\u00edch th\u01b0\u1edbc ch\u1eb7t ch\u1ebd, th\u01b0\u1eddng trong v\u00f2ng \u00b1 0,005 mm \/ mm. H\u1ecd cung c\u1ea5p b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n t\u1eeb 2,5 \u0111\u1ebfn 25 \u03bcm RMS. C\u00e1c nh\u00e0 m\u00e1y nh\u01b0 EPS v\u00ec n\u00f3 chi ph\u00ed \u00edt h\u01a1n, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf v\u00e0 \u0111\u1ebfn nh\u01b0 h\u1ea1t cho s\u1ea3n xu\u1ea5t l\u1edbn.<\/p>\n

C\u00e1c t\u00ednh ch\u1ea5t ch\u00ednh c\u1ea7n thi\u1ebft cho b\u1ecdt trong Lost Foam Casting<\/strong><\/h2>\n

Y\u00eau c\u1ea7u m\u1eadt \u0111\u1ed9 b\u1ecdt EPS cho c\u00e1c m\u1eabu \u0111\u00fac<\/strong><\/h3>\n

\u0110\u00fac b\u1ecdt m\u1ea5t t\u1ed1t c\u1ea7n m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng b\u1ecdt nh\u1ea5t \u0111\u1ecbnh. B\u1ecdt ph\u1ea3i x\u1eed l\u00fd di chuy\u1ec3n, l\u1edbp ph\u1ee7 v\u00e0 \u00e9p c\u00e1t. N\u00f3 c\u0169ng c\u1ea7n \u0111\u1ed1t ch\u00e1y \u0111\u1ea7y \u0111\u1ee7. M\u1eadt \u0111\u1ed9 l\u00e0 m\u1ed9t trong nh\u1eefng \u0111i\u1ec1u ch\u00ednh.<\/p>\n

B\u1ecdt EPS cho c\u00e1c m\u1eabu th\u01b0\u1eddng r\u01a1i gi\u1eefa 1,4 v\u00e0 5,0 pounds m\u1ed7i foot kh\u1ed1i (pcf). M\u1eadt \u0111\u1ed9 d\u01b0\u1edbi 1,4 pcf tr\u1edf n\u00ean qu\u00e1 y\u1ebfu cho c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p. Ch\u00fang c\u00f3 th\u1ec3 u\u1ed1n cong trong khi l\u1edbp ph\u1ee7 ho\u1eb7c l\u1eafc. M\u1eadt \u0111\u1ed9 t\u1eeb 2,0 \u0111\u1ebfn 3,0 pcf cung c\u1ea5p m\u1ed9t s\u1ef1 pha tr\u1ed9n t\u1ed1t c\u1ee7a s\u1ee9c m\u1ea1nh v\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u1ed1t ch\u00e1y cho nhi\u1ec1u c\u00f4ng vi\u1ec7c.<\/p>\n

C\u1ea5u tr\u00fac t\u1ebf b\u00e0o v\u00e0 \u1ed5n \u0111\u1ecbnh chi\u1ec1u<\/strong><\/h3>\n

S\u1ef1 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc ng\u1eebng u\u1ed1n cong t\u1eeb tr\u1ecdng l\u01b0\u1ee3ng l\u1edbp ph\u1ee7 ho\u1eb7c l\u1ef1c c\u00e1t. B\u1ecdt th\u1eadm ch\u00ed c\u1ea7n k\u00edch th\u01b0\u1edbc t\u1ebf b\u00e0o. \u0110i\u1ec1u n\u00e0y tr\u00e1nh c\u00e1c \u0111\u1ed1m kh\u00ed g\u00e2y ra b\u1ec1 m\u1eb7t x\u1ea5u.<\/p>\n

Kh\u1ea3 n\u0103ng gia c\u00f4ng v\u00e0 hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a c\u00e1c m\u1eabu b\u1ecdt<\/strong><\/h3>\n

C\u1eaft t\u1ed1t cho ph\u00e9p c\u00f4ng nh\u00e2n \u0111\u1ecbnh h\u00ecnh c\u00e1c m\u1eabu v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 d\u00e2y n\u00f3ng ho\u1eb7c m\u00e1y CNC. S\u1ef1 ch\u1ed1ng nhi\u1ec7t gi\u1eef h\u00ecnh d\u1ea1ng cho \u0111\u1ebfn khi kim lo\u1ea1i \u0111\u1ebfn.<\/p>\n

Nh\u1eefng c\u00e2n nh\u1eafc v\u1ec1 m\u00f4i tr\u01b0\u1eddng v\u00e0 kh\u00ed th\u1ea3i<\/strong><\/h3>\n

\u0110\u1ed1t s\u1ea1ch m\u00e0 kh\u00f4ng c\u00f3 c\u00e1c m\u1ea3nh carbon ho\u1eb7c l\u01b0u hu\u1ef3nh quan tr\u1ecdng r\u1ea5t nhi\u1ec1u \u0111\u1ed1i v\u1edbi kim lo\u1ea1i s\u1eaft. C\u00e1c t\u1ea1p ch\u1ea5t g\u00e2y ra khuy\u1ebft t\u1eadt ho\u1eb7c l\u1ed7 h\u1ed5ng. C\u00e1c m\u1ed1i quan t\u00e2m v\u1ec1 m\u00f4i tr\u01b0\u1eddng \u0111\u1ea9y b\u1ecdt v\u1edbi kh\u00ed x\u1ea5u th\u1ea5p v\u00e0 c\u00e1c l\u1ef1a ch\u1ecdn t\u00e1i ch\u1ebf.<\/p>\n

C\u00e1c t\u00ednh n\u0103ng n\u00e0y c\u00f9ng nhau cho ph\u00e9p m\u00f4 h\u00ecnh b\u1ecdt sao ch\u00e9p c\u00e1c thi\u1ebft k\u1ebf chi ti\u1ebft. C\u00e1c c\u00e1ch truy\u1ec1n th\u1ed1ng kh\u00f4ng th\u1ec3 l\u00e0m cho ch\u00fang r\u1ebb.<\/p>\n

L\u00e0m th\u1ebf n\u00e0o c\u00e1c m\u1eabu b\u1ecdt \u0111\u01b0\u1ee3c t\u1ea1o ra cho Lost Foam Casting<\/strong><\/h2>\n

Qu\u00e1 tr\u00ecnh s\u1edbm b\u1ecdt h\u1ea1t EPS<\/strong><\/h3>\n

Vi\u1ec7c t\u1ea1o m\u1eabu x\u1ea3y ra \u1edf khu v\u1ef1c tr\u1eafng c\u1ee7a nh\u00e0 m\u00e1y \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. M\u00e1y \u0111\u1eb7c bi\u1ec7t x\u1eed l\u00fd h\u1ea1t v\u00e0 khu\u00f4n ch\u00fang. H\u1ea1t EPS th\u00f4 \u0111i v\u00e0o c\u00e1c \u0111\u01a1n v\u1ecb tr\u01b0\u1edbc b\u1ecdt tr\u01b0\u1edbc. \u1ede \u0111\u00f3, h\u01a1i n\u01b0\u1edbc v\u00e0 \u00e1p su\u1ea5t m\u1edf r\u1ed9ng ch\u00fang \u0111\u1ebfn m\u1eadt \u0111\u1ed9 c\u1ea7n thi\u1ebft d\u01b0\u1edbi ki\u1ec3m so\u00e1t.<\/p>\n

H\u1ea1t l\u00e3o h\u00f3a v\u00e0 tr\u01b0\u1edfng th\u00e0nh trong Silos<\/strong><\/h3>\n

C\u00e1c h\u1ea1t m\u1edf r\u1ed9ng ngh\u1ec9 ng\u01a1i trong silo. Ch\u00fang \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 \u1ea9m v\u00e0 \u00e1p su\u1ea5t \u1ed5n \u0111\u1ecbnh. B\u01b0\u1edbc n\u00e0y x\u00e2y d\u1ef1ng s\u1ee9c m\u1ea1nh m\u00f4 h\u00ecnh t\u1ed1t h\u01a1n v\u00e0 gi\u00fap l\u1edbp ph\u1ee7 d\u00ednh.<\/p>\n

M\u1eabu \u00e9p EPS v\u1edbi m\u00e1y \u00e9p b\u1ecdt<\/strong><\/h3>\n

C\u00e1c h\u1ea1t m\u1edf r\u1ed9ng di chuy\u1ec3n \u0111\u1ebfn m\u00e1y \u00e9p b\u1ecdt. Ch\u00fang c\u00f3 c\u00e1c b\u1ed9 ph\u1eadn th\u1ee7y l\u1ef1c v\u00e0 l\u00e0m m\u00e1t ch\u00e2n kh\u00f4ng. M\u00e1y \u0111\u1ea9y h\u1ea1t v\u00e0o c\u00f4ng c\u1ee5 nh\u00f4m. H\u1ecd s\u1eed d\u1ee5ng c\u00e1c b\u01b0\u1edbc nhi\u1ec7t v\u00e0 \u00e1p l\u1ef1c ch\u00ednh x\u00e1c. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh ch\u00ednh x\u00e1c trong m\u1ed9t l\u1ea7n.<\/p>\n

C\u1eaft CNC v\u00e0 x\u1eed l\u00fd kh\u1ed1i EPS<\/strong><\/h3>\n

M\u00e1y t\u1ea5m b\u1ecdt t\u1ea1o ra c\u00e1c kh\u1ed1i EPS l\u1edbn. C\u00f4ng nh\u00e2n c\u1eaft ch\u00fang b\u1eb1ng tay ho\u1eb7c b\u1eb1ng CNC cho c\u00e1c h\u00ecnh d\u1ea1ng \u0111\u1eb7c bi\u1ec7t.<\/p>\n

T\u1ef1 \u0111\u1ed9ng h\u00f3a trong d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t m\u1eabu b\u1ecdt b\u1ecb m\u1ea5t<\/strong><\/h3>\n

H\u1ec7 th\u1ed1ng ch\u00e2n kh\u00f4ng trung t\u00e2m gi\u1eef \u00e1p su\u1ea5t th\u1ea5p \u1ed5n \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh \u0111\u00fac v\u00e0 l\u00e0m m\u00e1t. \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n s\u1ef1 thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. C\u00e1c d\u00f2ng tr\u1eafng hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng t\u1ef1 \u0111\u1ed9ng h\u00f3a cho m\u1eadt \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f4ng t\u1eafc c\u00f4ng c\u1ee5 nhanh ch\u00f3ng. H\u1ecd h\u1ed7 tr\u1ee3 s\u1ea3n xu\u1ea5t nhanh ch\u00f3ng. L\u00e0m m\u1eabu t\u1ed1t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh \u0111\u1ed3ng \u0111\u1ec1u l\u1edbp ph\u1ee7 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00fac cu\u1ed1i c\u00f9ng trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t.<\/p>\n

M\u1eadt \u0111\u1ed9 b\u1ecdt n\u00e0o l\u00e0 l\u00fd t\u01b0\u1edfng cho c\u00e1c m\u1eabu \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t?<\/strong><\/h2>\n

M\u1eadt \u0111\u1ed9 EPS \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho \u0111\u00fac nh\u00f4m<\/strong><\/h3>\n

L\u1ef1a ch\u1ecdn m\u1eadt \u0111\u1ed9 ph\u1ee5 thu\u1ed9c v\u00e0o h\u00ecnh d\u1ea1ng b\u1ed9 ph\u1eadn, lo\u1ea1i kim lo\u1ea1i v\u00e0 l\u01b0\u1ee3ng \u0111\u1ea7u ra. C\u00e1c b\u1ed9 ph\u1eadn nh\u00f4m \u0111\u01a1n gi\u1ea3n ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u1edbi 1,4 \u0111\u1ebfn 2,0 pcf EPS. N\u00f3 cung c\u1ea5p \u0111\u1ee7 s\u1ee9c m\u1ea1nh v\u00e0 \u0111\u1ed1t ch\u00e1y nhanh ch\u00f3ng.<\/p>\n

Ph\u1ea1m vi m\u1eadt \u0111\u1ed9 cho \u0111\u00fac s\u1eaft v\u00e0 th\u00e9p<\/strong><\/h3>\n

C\u00e1c b\u1ed9 ph\u1eadn s\u1eaft ho\u1eb7c th\u00e9p ph\u1ee9c t\u1ea1p l\u00e0m t\u1ed1t h\u01a1n v\u1edbi m\u1eadt \u0111\u1ed9 2,5 \u0111\u1ebfn 4,0 pcf. \u0110i\u1ec1u n\u00e0y ch\u1ed1ng u\u1ed1n t\u1eeb l\u1edbp ph\u1ee7 d\u00e0y v\u00e0 nhi\u1ec7t \u0111\u1ed5 cao.<\/p>\n

T\u1ed1i \u01b0u h\u00f3a m\u1eadt \u0111\u1ed9 b\u1ecdt cho ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00fac<\/strong><\/h3>\n

B\u1ecdt qu\u00e1 d\u00e0y \u0111\u1eb7c l\u00e0m ch\u1eadm ch\u00e1y v\u00e0 l\u00e0m t\u0103ng l\u01b0\u1ee3ng kh\u00ed. \u0110i\u1ec1u n\u00e0y c\u00f3 nguy c\u01a1 g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 \u00e1p l\u1ef1c. M\u1eadt \u0111\u1ed9 r\u1ea5t th\u1ea5p l\u00e0m cho vi\u1ec7c x\u1eed l\u00fd kh\u00f3 kh\u0103n v\u00e0 g\u00e2y ph\u00e1 v\u1ee1.<\/p>\n

C\u00e1c nh\u00e0 m\u00e1y th\u1eed nghi\u1ec7m m\u1eabu v\u1edbi m\u1eadt \u0111\u1ed9 kh\u00e1c nhau trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf. \u0110i\u1ec1u n\u00e0y t\u00ecm ra ph\u1ea1m vi t\u1ed1t nh\u1ea5t. Ph\u1ea7n m\u1ec1m ti\u00ean ti\u1ebfn d\u1ef1 \u0111o\u00e1n \u0111\u1ed1t v\u00e0 gi\u00fap ch\u1ecdn m\u1eadt \u0111\u1ed9 tr\u01b0\u1edbc khi ch\u1ea1y \u0111\u1ea7y \u0111\u1ee7.<\/p>\n

B\u1ecdt EPS so v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/strong><\/h2>\n

B\u1ecdt polystyrene \u0111\u00f9n (XPS)<\/strong><\/h3>\n

EPS d\u1eabn \u0111\u1ea7u trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t b\u1edfi v\u00ec n\u00f3 c\u00e2n b\u1eb1ng k\u1ebft qu\u1ea3 v\u00e0 chi ph\u00ed. Nh\u01b0ng polystyrene \u0111\u00f9n (XPS) ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t l\u1ef1a ch\u1ecdn kh\u00e1c trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p.<\/p>\n

XPS c\u00f3 m\u1ed9t x\u00e2y d\u1ef1ng t\u1ebf b\u00e0o k\u00edn t\u1eeb \u0111\u00f9n. N\u00f3 cung c\u1ea5p khu\u00f4n m\u1eb7t m\u1ecbn h\u01a1n v\u00e0 gi\u1eef \u00e1p su\u1ea5t t\u1ed1t h\u01a1n cho c\u00e1c m\u1ea3nh th\u1eed nghi\u1ec7m chi ti\u1ebft. Tuy nhi\u00ean, XPS chi ph\u00ed nhi\u1ec1u h\u01a1n v\u00e0 \u0111\u1ed1t ch\u1eadm h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi EPS.<\/p>\n

B\u1ecdt PMMA cho \u0111\u00fac th\u00e9p nhi\u1ec7t \u0111\u1ed9 cao<\/strong><\/h3>\n

B\u1ecdt polymethacryl methacrylate (PMMA) c\u1ea5p cao ph\u00f9 h\u1ee3p v\u1edbi \u0111\u00fac th\u00e9p nhi\u1ec7t cao. N\u00f3 cung c\u1ea5p k\u00edch th\u01b0\u1edbc gi\u1eef t\u1ed1t h\u01a1n v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c. \u0110i\u1ec1u n\u00e0y b\u00f9 \u0111\u1eafp cho gi\u00e1 cao h\u01a1n.<\/p>\n

T\u1ea1i sao b\u1ecdt polyurethane hi\u1ebfm khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/strong><\/h3>\n

B\u1ecdt polyurethane th\u1ea5y \u00edt s\u1eed d\u1ee5ng v\u00ec c\u00e1c m\u1ea3nh c\u00f2n l\u1ea1i v\u00e0 lo l\u1eafng v\u1ec1 kh\u00ed. \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c c\u00f4ng vi\u1ec7c nh\u00e0 m\u00e1y, EPS v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. N\u00f3 c\u00f3 l\u1ecbch s\u1eed m\u1ea1nh m\u1ebd trong c\u00e1c thi\u1ebft l\u1eadp quy m\u00f4 l\u1edbn.<\/p>\n

L\u1ee3i th\u1ebf c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ecdt ch\u1ea5t l\u01b0\u1ee3ng cao trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/strong><\/h2>\n

L\u1ee3i \u00edch s\u1ea3n xu\u1ea5t g\u1ea7n h\u00ecnh net<\/strong><\/h3>\n

C\u00e1c m\u1eabu b\u1ecdt t\u1ed1t mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch c\u00f4ng vi\u1ec7c. H\u00ecnh d\u1ea1ng g\u1ea7n cu\u1ed1i c\u00f9ng c\u1eaft gi\u1ea3m gia c\u00f4ng l\u00ean \u0111\u1ebfn 50%. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m chi ph\u00ed r\u00e1c th\u1ea3i v\u00e0 ho\u00e0n th\u00e0nh.<\/p>\n

C\u1ea3i thi\u1ec7n t\u00ednh linh ho\u1ea1t thi\u1ebft k\u1ebf m\u00e0 kh\u00f4ng c\u00f3 l\u00f5i<\/strong><\/h3>\n

C\u00e1c t\u00ednh n\u0103ng b\u00ean trong ph\u1ee9c t\u1ea1p kh\u00f4ng c\u00f3 l\u00f5i ho\u1eb7c c\u00e1c b\u01b0\u1edbc b\u1ed5 sung. \u0110i\u1ec1u n\u00e0y l\u00e0m cho thi\u1ebft k\u1ebf d\u1ec5 d\u00e0ng h\u01a1n v\u00e0 r\u00fat ng\u1eafn th\u1eddi gian \u0111\u1ec3 b\u1eaft \u0111\u1ea7u.<\/p>\n

Hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng v\u00e0 l\u1ee3i \u00edch m\u00f4i tr\u01b0\u1eddng<\/strong><\/h3>\n

B\u1ec1 m\u1eb7t m\u1ecbn c\u1eaft gi\u1ea3m c\u00f4ng vi\u1ec7c b\u1ed5 sung. S\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng gi\u1ea3m v\u00ec ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng c\u00e1t kh\u00f4 v\u00e0 b\u1ecf qua s\u01b0\u1edfi \u1ea5m ch\u1ea5t k\u1ebft h\u1ee3p.<\/p>\n

Hi\u1ec7u \u1ee9ng sinh th\u00e1i gi\u1ea3m v\u1edbi b\u1ecdt t\u00e1i ch\u1ebf v\u00e0 \u00edt ch\u1ea5t th\u1ea3i c\u00e1t h\u01a1n. \u0110\u1eb7c \u0111i\u1ec3m b\u1ecdt \u1ed5n \u0111\u1ecbnh cung c\u1ea5p ch\u1ea5t l\u01b0\u1ee3ng t\u01b0\u01a1ng t\u1ef1 tr\u00ean c\u00e1c ch\u1ea1y l\u1edbn. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u00e1c l\u0129nh v\u1ef1c c\u1ea7n k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c v\u00e0 \u0111\u00fac s\u1ea1ch.<\/p>\n

\"nh\u00e0<\/p>\n

\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t v\u1edbi b\u1ecdt th\u00edch h\u1ee3p<\/strong><\/h2>\n

\u1ee8ng d\u1ee5ng \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t \u00f4 t\u00f4<\/strong><\/h3>\n

\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t v\u1edbi b\u1ecdt EPS t\u1ed1t ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u khu v\u1ef1c. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4 s\u1ea3n xu\u1ea5t c\u00e1c kh\u1ed1i \u0111\u1ed9ng c\u01a1, \u0111\u1ea7u xi lanh, b\u1ed9 ph\u1eadn h\u00fat v\u00e0 c\u00e1c m\u1ea3nh treo v\u1edbi \u0111\u01b0\u1eddng l\u00e0m m\u00e1t chi ti\u1ebft.<\/p>\n

M\u00e1y m\u00f3c n\u1eb7ng v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p<\/strong><\/h3>\n

C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y n\u00f4ng nghi\u1ec7p v\u00e0 x\u00e2y d\u1ef1ng t\u1ea1o ra v\u1ecf h\u1ed9p s\u1ed1, c\u01a1 th\u1ec3 b\u01a1m v\u00e0 khung d\u1ea5u m\u1ea1nh m\u1ebd.<\/p>\n

C\u00e1c th\u00e0nh ph\u1ea7n m\u00e1y m\u00f3c h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 ch\u00ednh x\u00e1c<\/strong><\/h3>\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 cho c\u00e1c b\u1ed9 ph\u1eadn c\u1ea5u tr\u00fac nh\u1eb9. N\u00f3 c\u0169ng ph\u00f9 h\u1ee3p v\u1edbi m\u00e1y m\u00f3c chung cho th\u00e2n van v\u00e0 v\u1ecf m\u00e1y n\u00e9n.<\/p>\n

Ph\u00e1t tri\u1ec3n nguy\u00ean m\u1eabu v\u00e0 s\u1ea3n xu\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng cao<\/strong><\/h3>\n

Ch\u1ea1y l\u1edbn c\u1ee7a c\u00f9ng m\u1ed9t ph\u1ea7n ti\u1ebft ki\u1ec7m ti\u1ec1n. C\u00f4ng vi\u1ec7c m\u1eabu c\u00f3 l\u1ee3i t\u1eeb vi\u1ec7c c\u1eaft m\u1eabu nhanh ch\u00f3ng. C\u00e1c tr\u01b0\u1eddng nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho t\u01b0\u1eddng m\u1ecfng v\u00e0 undercuts. \u0110\u00fac c\u00e1t th\u01b0\u1eddng xuy\u00ean kh\u00f4ng th\u1ec3 l\u00e0m cho ch\u00fang r\u1ebb nh\u01b0 v\u1eady.<\/p>\n

Th\u00e1ch th\u1ee9c v\u00e0 th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t trong vi\u1ec7c s\u1eed d\u1ee5ng b\u1ecdt cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/strong><\/h2>\n

V\u1ea5n \u0111\u1ec1 m\u00f4 h\u00ecnh b\u1ecdt ph\u1ed5 bi\u1ebfn<\/strong><\/h3>\n

C\u00e1c v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 bao g\u1ed3m c\u00e1c m\u00f4 h\u00ecnh y\u1ebfu trong khi di chuy\u1ec3n, l\u1ed7 h\u1ed5ng l\u1edbp ph\u1ee7 t\u1eeb m\u1eadt \u0111\u1ed9 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 kh\u00ed b\u1ecb m\u1eafc k\u1eb9t n\u1ebfu l\u1ed7 th\u00f4ng gi\u00f3 b\u1ecb ng\u1eafn.<\/p>\n

Th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t cho s\u1ea3n xu\u1ea5t m\u1eabu EPS<\/strong><\/h3>\n

C\u00e1c b\u01b0\u1edbc t\u1ed1t nh\u1ea5t \u0111\u1ec3 kh\u1eafc ph\u1ee5c nh\u1eefng \u0111i\u1ec1u n\u00e0y m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng. Gi\u1eef ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd tr\u00ean h\u1ea1t m\u1edf r\u1ed9ng tr\u01b0\u1edbc cho m\u1eadt \u0111\u1ed9 th\u1eadm ch\u00ed. \u0110\u1eb7t l\u1edbp ph\u1ee7 ch\u1ed1ng ch\u00e1y \u1edf \u0111\u1ed9 d\u00e0y ph\u1ea3i v\u1edbi m\u00e1y tr\u1ed9n t\u1ef1 \u0111\u1ed9ng v\u00e0 m\u00e1y s\u1ea5y. Th\u00eam c\u00e1c l\u1ed7 th\u00f4ng gi\u00f3 v\u00e0 risers \u0111\u01b0\u1ee3c l\u00ean k\u1ebf ho\u1ea1ch trong thi\u1ebft k\u1ebf m\u00f4 h\u00ecnh.<\/p>\n

Theo d\u00f5i quy tr\u00ecnh v\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u00f4 ph\u1ecfng<\/strong><\/h3>\n

Ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean v\u1ec1 c\u00e1c m\u1eabu v\u00e0 theo d\u00f5i qu\u00e1 tr\u00ecnh d\u1eebng l\u1ed7i. C\u00e1c c\u00f4ng c\u1ee5 m\u00f4 ph\u1ecfng \u0111o\u00e1n d\u00f2ng ch\u1ea3y kim lo\u1ea1i v\u00e0 s\u1ef1 ph\u00e1 v\u1ee1 b\u1ecdt. H\u1ecd cho ph\u00e9p c\u00f4ng nh\u00e2n \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t tr\u01b0\u1edbc khi ch\u1ea1y.<\/p>\n

\u0110\u00e0o t\u1ea1o nh\u00e2n vi\u00ean v\u1ec1 \u0111i\u1ec1u ki\u1ec7n l\u01b0u tr\u1eef b\u1ecdt v\u00e0 ngh\u1ec9 ng\u01a1i gi\u1eef v\u1eadt li\u1ec7u t\u1ed1t. Nh\u1eefng b\u01b0\u1edbc n\u00e0y nh\u1eadn \u0111\u01b0\u1ee3c t\u1ed1i \u0111a t\u1eeb b\u1ecdt trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. H\u1ecd gi\u1eef t\u1ef7 l\u1ec7 th\u00e0nh c\u00f4ng cao.<\/p>\n

C\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp nh\u01b0 C\u00f4ng ngh\u1ec7 OC<\/strong><\/a> chuy\u00ean v\u1ec1 thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c m\u1eabu b\u1ecdt ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 ho\u00e0n th\u00e0nh c\u00e1c d\u00e2y chuy\u1ec1n \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. Cung c\u1ea5p c\u1ee7a h\u1ecd bao g\u1ed3m m\u00e1y \u00e9p kh\u1ed1i EPS, m\u00e1y \u00e9p tr\u01b0\u1edbc b\u1ecdt, m\u00e1y \u00e9p b\u1ecdt, m\u00e1y s\u1ea5y kh\u00f4ng kh\u00ed, h\u1ec7 th\u1ed1ng ch\u00e2n kh\u00f4ng trung t\u00e2m, m\u00e1y tr\u1ed9n s\u01a1n lo\u1ea1i thang m\u00e1y v\u00e0 silo tr\u01b0\u1edfng th\u00e0nh, h\u1ed7 tr\u1ee3 s\u1ea3n xu\u1ea5t hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ef1 \u0111\u1ed9ng. Li\u00ean h\u1ec7 v\u1edbi OC Technology<\/strong><\/a> h\u00f4m nay.<\/p>","protected":false},"excerpt":{"rendered":"

Lost foam casting, also known as evaporative pattern casting or EPC, is a precise and efficient way to cast metal. It makes complex parts with very little extra machining needed. The key part of this method is the foam pattern. This pattern shapes the mold space and turns into vapor when hot metal touches it. […]<\/p>\n","protected":false},"author":3,"featured_media":4918,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[160,161],"tags":[],"class_list":["post-4912","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","category-news-blog"],"acf":[],"jetpack_publicize_connections":[],"_links":{"self":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4912","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/comments?post=4912"}],"version-history":[{"count":2,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4912\/revisions"}],"predecessor-version":[{"id":4922,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4912\/revisions\/4922"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media\/4918"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media?parent=4912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/categories?post=4912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/tags?post=4912"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}