{"id":675,"date":"2024-07-16T02:53:56","date_gmt":"2024-07-16T02:53:56","guid":{"rendered":"https:\/\/juyuans.com\/?p=675"},"modified":"2024-07-16T02:53:56","modified_gmt":"2024-07-16T02:53:56","slug":"lucel-pom-fw720f-vat-lieu-nhua-tho-it-hao-mon","status":"publish","type":"post","link":"https:\/\/juyuans.com\/vi\/lucel-pom-fw720f-vat-lieu-nhua-tho-it-hao-mon\/","title":{"rendered":"LUCEL POM FW720F Nguy\u00ean li\u1ec7u nh\u1ef1a \u00edt hao m\u00f2n"},"content":{"rendered":"

Polyoxymethylene (POM), c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 acetal, polyacetal ho\u1eb7c polyformaldehyde, l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a k\u1ef9 thu\u1eadt nhi\u1ec7t d\u1ebbo c\u00f3 m\u1eadt \u0111\u1ed9 cao, \u0111\u1ed9 k\u1ebft tinh cao \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p t\u1eeb formaldehyde v\u00e0 c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 kh\u00e1c. POM-H (\u0111\u1ed3ng tr\u00f9ng h\u1ee3p) v\u00e0 POM-K (\u0111\u1ed3ng tr\u00f9ng h\u1ee3p) n\u1ed5i ti\u1ebfng v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd, c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc \u0111\u1eb7c bi\u1ec7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ma s\u00e1t v\u01b0\u1ee3t tr\u1ed9i.<\/span><\/p>\n

POM l\u00e0 m\u1ed9t lo\u1ea1i polyme tinh th\u1ec3 c\u00f3 m\u1eadt \u0111\u1ed9 cao kh\u00f4ng c\u00f3 chu\u1ed7i b\u00ean, th\u1ec3 hi\u1ec7n hi\u1ec7u su\u1ea5t to\u00e0n di\u1ec7n tuy\u1ec7t v\u1eddi. N\u00f3 c\u00f3 b\u1ec1 m\u1eb7t nh\u1eb5n v\u00e0 b\u00f3ng, c\u1ee9ng v\u00e0 \u0111\u1eb7c, v\u00e0 th\u01b0\u1eddng c\u00f3 m\u00e0u v\u00e0ng nh\u1ea1t ho\u1eb7c tr\u1eafng. POM c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e2u d\u00e0i trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 t\u1eeb -40\u00b0C \u0111\u1ebfn 100\u00b0C, th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 t\u1ef1 b\u00f4i tr\u01a1n t\u1ed1t. So v\u1edbi h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i nh\u1ef1a k\u1ef9 thu\u1eadt, POM c\u0169ng cho th\u1ea5y kh\u1ea3 n\u0103ng ch\u1ed1ng d\u1ea7u v\u00e0 ch\u1ed1ng peroxide v\u01b0\u1ee3t tr\u1ed9i. Kh\u1ea3 n\u0103ng ch\u1ed1ng tia c\u1ef1c t\u00edm c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 khi b\u1ed5 sung ch\u1ea5t \u1ed5n \u0111\u1ecbnh tia c\u1ef1c t\u00edm.<\/span><\/p>\n

C\u1ee5 th\u1ec3, POM FW720F l\u00e0 v\u1eadt li\u1ec7u d\u1ea1ng h\u1ea1t c\u00f3 x\u1ebfp h\u1ea1ng d\u1ec5 ch\u00e1y HB v\u00e0 \u0111\u1eb7c t\u00ednh m\u00e0i m\u00f2n th\u1ea5p. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 c\u00f3 hi\u1ec7u qu\u1ea3 cao cho c\u00e1c \u1ee9ng d\u1ee5ng trong b\u00e1nh r\u0103ng, linh ki\u1ec7n m\u00e1y in, con l\u0103n v\u00e0 m\u00e1y \u1ea3nh. \u0110i\u1ec7n tr\u1edf b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 l\u00e0 1E14 \u03a9 v\u00e0 \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ec3 t\u00edch c\u1ee7a n\u00f3 \u1edf 23\u00b0C l\u00e0 1E16 \u03a9\u00b7cm. \u0110\u1ed9 b\u1ec1n k\u00e9o l\u00e0 49,01 MPa v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t l\u00e0 40%. Ngo\u00e0i ra, POM FW720F c\u00f3 m\u00f4 \u0111un u\u1ed1n l\u00e0 2254,90 MPa, \u0111\u1ed9 b\u1ec1n u\u1ed1n l\u00e0 78,43 MPa, \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp Izod c\u00f3 kh\u00eda l\u00e0 4,5 kJ\/m\u00b2 v\u00e0 nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t l\u00e0 155\u00b0C \u1edf 0,45 MPa v\u00e0 110\u00b0C \u1edf 1,8 MPa. Tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang c\u1ee7a n\u00f3 l\u00e0 1,52 g\/cm\u00b3, ch\u1ec9 s\u1ed1 n\u00f3ng ch\u1ea3y l\u00e0 9 g\/10 ph\u00fat, t\u1ef7 l\u1ec7 co ng\u00f3t d\u00f2ng ch\u1ea3y l\u00e0 1,3-1,6% v\u00e0 \u0111\u1ed9 c\u1ee9ng Rockwell l\u00e0 70.<\/span><\/p>\n

\u0110\u1eb7c t\u00ednh m\u00e0i m\u00f2n th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y cao c\u1ee7a POM FW720F khi\u1ebfn n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c b\u00e1nh r\u0103ng, linh ki\u1ec7n m\u00e1y in, con l\u0103n v\u00e0 m\u00e1y \u1ea3nh. C\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd v\u00e0 c\u01a1 h\u1ecdc tuy\u1ec7t v\u1eddi c\u1ee7a n\u00f3 \u0111\u1ecbnh v\u1ecb n\u00f3 l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m n\u1ed5i b\u1eadt trong s\u1ed1 c\u00e1c lo\u1ea1i nh\u1ef1a k\u1ef9 thu\u1eadt, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7u su\u1ea5t cao. B\u1eb1ng c\u00e1ch t\u1ed1i \u01b0u h\u00f3a c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 c\u00f4ng th\u1ee9c v\u1eadt li\u1ec7u, POM FW720F duy tr\u00ec hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh ngay c\u1ea3 trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/span><\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
T\u00ednh ch\u1ea5t \u0111i\u1ec7n<\/span><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n<\/tr>\n
\u0110i\u1ec7n tr\u1edf b\u1ec1 m\u1eb7t<\/span><\/td>\n\u3000<\/span><\/td>\nASTM D257<\/span><\/td>\n1E14<\/span><\/td>\n\u03a9<\/span><\/td>\n<\/tr>\n
\u0110i\u1ec7n tr\u1edf su\u1ea5t th\u1ec3 t\u00edch<\/span><\/td>\n23\u00b0C<\/span><\/td>\nASTM D257<\/span><\/td>\n1E16<\/span><\/td>\n\u03a9.cm<\/span><\/td>\n<\/tr>\n
H\u00e0nh vi c\u01a1 h\u1ecdc<\/span><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 b\u1ec1n k\u00e9o<\/span><\/td>\nN\u0103ng su\u1ea5t 10mm\/ph\u00fat 3.2mm<\/span><\/td>\nASTM D638<\/span><\/td>\n49.01<\/span><\/td>\nMPa<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 gi\u00e3n d\u00e0i<\/span><\/td>\nG\u00e3y x\u01b0\u01a1ng 10mm\/ph\u00fat 3.2mm<\/span><\/td>\nASTM D638<\/span><\/td>\n40<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
M\u00f4 \u0111un u\u1ed1n<\/span><\/td>\n2,8mm\/ph\u00fat 6,4mm<\/span><\/td>\nASTM D790<\/span><\/td>\n2254.90<\/span><\/td>\nMPa<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 b\u1ec1n u\u1ed1n<\/span><\/td>\n2,8mm\/ph\u00fat 6,4mm<\/span><\/td>\nASTM D790<\/span><\/td>\n78.43<\/span><\/td>\nMPa<\/span><\/td>\n<\/tr>\n
T\u00e1c \u0111\u1ed9ng c\u1ee7a Izod Notch<\/span><\/td>\n23\u00b0C 6,4mm<\/span><\/td>\nASTM D256<\/span><\/td>\n4.5<\/span><\/td>\nkJ\/m2<\/span><\/td>\n<\/tr>\n
nhi\u1ec7t<\/span><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n<\/tr>\n
HDT<\/span><\/td>\n0,45MPa 6,4mm<\/span><\/td>\nASTM D648<\/span><\/td>\n155<\/span><\/td>\n\u00b0C<\/span><\/td>\n<\/tr>\n
HDT<\/span><\/td>\n1.8MPa 6.4mm<\/span><\/td>\nASTM D648<\/span><\/td>\n110<\/span><\/td>\n\u00b0C<\/span><\/td>\n<\/tr>\n
T\u00e0i s\u1ea3n v\u1eadt ch\u1ea5t<\/span><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n<\/tr>\n
T\u1ec9 tr\u1ecdng<\/span><\/td>\n\u3000<\/span><\/td>\nASTM D792<\/span><\/td>\n1.52<\/span><\/td>\ng\/cm\u00b3<\/span><\/td>\n<\/tr>\n
Ch\u1ec9 s\u1ed1 tan ch\u1ea3y<\/span><\/td>\n\u3000<\/span><\/td>\nASTM D1238<\/span><\/td>\n9<\/span><\/td>\ng\/10 ph\u00fat<\/span><\/td>\n<\/tr>\n
co ng\u00f3t<\/span><\/td>\nL\u01b0u l\u01b0\u1ee3ng 3,2mm<\/span><\/td>\nASTM D955<\/span><\/td>\n1.3~1.6<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
\u0111\u1ed9 c\u1ee9ng<\/span><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 c\u1ee9ng Rockwell<\/span><\/td>\nM(T\u1ef7 l\u1ec7)<\/span><\/td>\nASTM D785<\/span><\/td>\n70<\/span><\/td>\n\u3000<\/span><\/td>\n<\/tr>\n
T\u00ednh d\u1ec5 ch\u00e1y<\/span><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n<\/tr>\n
X\u1ebfp h\u1ea1ng ng\u1ecdn l\u1eeda<\/span><\/td>\n1,5mm<\/span><\/td>\nUL94<\/span><\/td>\nHB<\/span><\/td>\n\u3000<\/span><\/td>\n<\/tr>\n
X\u1ebfp h\u1ea1ng ng\u1ecdn l\u1eeda<\/span><\/td>\n3.0mm<\/span><\/td>\nUL94<\/span><\/td>\nHB<\/span><\/td>\n\u3000<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\"POM<\/p>\n

Nh\u1ea5p v\u00e0o \u0111\u00e2y \u0111\u1ec3 t\u1ea3i xu\u1ed1ng TDS cho LUCEL POM FW720F<\/a><\/span><\/p>","protected":false},"excerpt":{"rendered":"

Polyoxymethylene (POM), c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 acetal, polyacetal ho\u1eb7c polyformaldehyde, l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a k\u1ef9 thu\u1eadt nhi\u1ec7t d\u1ebbo c\u00f3 m\u1eadt \u0111\u1ed9 cao, \u0111\u1ed9 k\u1ebft tinh cao \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p t\u1eeb formaldehyde v\u00e0 c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 kh\u00e1c. POM-H (\u0111\u1ed3ng tr\u00f9ng h\u1ee3p) v\u00e0 POM-K (\u0111\u1ed3ng tr\u00f9ng h\u1ee3p) n\u1ed5i ti\u1ebfng v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd, c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc \u0111\u1eb7c bi\u1ec7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ma s\u00e1t v\u01b0\u1ee3t tr\u1ed9i.<\/p>","protected":false},"author":1,"featured_media":614,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[35],"class_list":["post-675","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-polyoxymethylene","tag-pom"],"jetpack_featured_media_url":"https:\/\/juyuans.com\/wp-content\/uploads\/2024\/06\/POM-26.jpg","_links":{"self":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts\/675","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/comments?post=675"}],"version-history":[{"count":0,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts\/675\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/media\/614"}],"wp:attachment":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/media?parent=675"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/categories?post=675"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/tags?post=675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}