L\u00e0m c\u1ee9ng c\u1ea3m \u1ee9ng<\/a> \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn trong ng\u00e0nh s\u1ea3n xu\u1ea5t do c\u00f4ng ngh\u1ec7 n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng c\u00f3 ki\u1ec3m so\u00e1t. Vi\u1ec7c c\u1ea3i thi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd, c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc kh\u00e1c nhau c\u1ee7a ph\u00f4i l\u00e0 c\u00f3 l\u1ee3i. Hi\u1ec3u \u0111\u01b0\u1ee3c \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a l\u00e0m c\u1ee9ng c\u1ea3m \u1ee9ng gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t b\u1eb1ng c\u00e1ch gi\u1ea3m thi\u1ec3u c\u00e1c khuy\u1ebft t\u1eadt v\u00e0 h\u1ecfng h\u00f3c c\u00f3 th\u1ec3 x\u1ea3y ra. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd th\u1ea3o lu\u1eadn s\u00e2u v\u1ec1 t\u1ea5t c\u1ea3 c\u00e1c \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m.<\/p>\n<\/div><\/div><\/div><\/div><\/div> Vi\u1ec7c nung n\u00f3ng ph\u00f4i \u1edf nhi\u1ec7t \u0111\u1ed9 cao g\u00e2y ra s\u1ef1 bi\u1ebfn \u0111\u1ed5i austenit, trong \u0111\u00f3 c\u00e1c nguy\u00ean t\u1eed cacbon b\u1ecb m\u1eafc k\u1eb9t b\u00ean trong c\u1ea5u tr\u00fac tinh th\u1ec3 \u1edf c\u1ea5p \u0111\u1ed9 vi m\u00f4. S\u1ef1 thay \u0111\u1ed5i c\u1ea5u tr\u00fac tinh th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c t\u0103ng c\u01b0\u1eddng ranh gi\u1edbi h\u1ea1t. K\u1ebft qu\u1ea3 l\u00e0, c\u00e1c nguy\u00ean t\u1eed cacbon b\u1ecb m\u1eafc k\u1eb9t b\u00ean trong c\u1ea5u tr\u00fac tinh th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 c\u1ee9ng<\/a> v\u00e0 ranh gi\u1edbi h\u1ea1t ch\u1eb7t ch\u1ebd l\u00e0m t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc. Ch\u00fang ta h\u00e3y xem x\u00e9t c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m c\u1ee9ng kh\u00e1c \u0111\u1ec3 ch\u1ee9ng minh r\u1eb1ng l\u00e0m c\u1ee9ng c\u1ea3m \u1ee9ng l\u00e0 t\u1ed1t h\u01a1n.<\/p>\n<\/div><\/div><\/div><\/div><\/div> C\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m c\u1ee9ng kim lo\u1ea1i. Ch\u00fang ta h\u00e3y th\u1ea3o lu\u1eadn v\u1ec1 ba ph\u01b0\u01a1ng ph\u00e1p l\u00e0m c\u1ee9ng ch\u00ednh b\u00ean c\u1ea1nh ph\u01b0\u01a1ng ph\u00e1p l\u00e0m c\u1ee9ng c\u1ea3m \u1ee9ng, ng\u1ecdn l\u1eeda, l\u00f2 nung v\u00e0 l\u00e0m c\u1ee9ng ch\u00e2n kh\u00f4ng. <\/p>\n Qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n b\u1eb1ng l\u00f2 nung bao g\u1ed3m vi\u1ec7c nung n\u00f3ng ph\u00f4i gia c\u00f4ng trong l\u00f2 x\u1eed l\u00fd nhi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Ph\u00f4i gia c\u00f4ng \u0111\u01b0\u1ee3c nung n\u00f3ng cho \u0111\u1ebfn khi austenit bi\u1ebfn \u0111\u1ed5i, sau \u0111\u00f3 qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i nhanh di\u1ec5n ra. Qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n b\u1eb1ng l\u00f2 nung kh\u00f4ng th\u1ec3 nung n\u00f3ng ph\u00f4i gia c\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u nh\u01b0 qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n b\u1eb1ng c\u1ea3m \u1ee9ng. N\u00f3 nung n\u00f3ng t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n ph\u00f4i gia c\u00f4ng, trong khi qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n b\u1eb1ng c\u1ea3m \u1ee9ng c\u00f3 th\u1ec3 nung n\u00f3ng c\u00e1c ph\u1ea7n ph\u00f4i gia c\u00f4ng c\u1ee5 th\u1ec3. C\u1ea3m \u1ee9ng l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn kh\u1ea3 thi n\u1ebfu b\u1ea1n c\u1ea7n t\u00f4i luy\u1ec7n m\u1ed9t ph\u1ea7n c\u1ee5 th\u1ec3. <\/p>\n L\u00e0m c\u1ee9ng ch\u00e2n kh\u00f4ng li\u00ean quan \u0111\u1ebfn vi\u1ec7c l\u00e0m n\u00f3ng ph\u00f4i b\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t ri\u00eang ph\u1ea7n, sau \u0111\u00f3 l\u00e0 qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t nhanh. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, v\u00ec n\u00f3 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c b\u1ec1 m\u1eb7t c\u1ee9ng v\u00e0 \u0111\u1ed3ng nh\u1ea5t v\u1edbi \u0111\u1ed9 bi\u1ebfn d\u1ea1ng t\u1ed1i thi\u1ec3u. Gi\u1ed1ng nh\u01b0 l\u00e0m c\u1ee9ng l\u00f2, n\u00f3 c\u0169ng kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m n\u00f3ng ph\u00f4i \u1edf m\u1ed9t v\u00f9ng c\u1ee5 th\u1ec3. Ch\u00e2n kh\u00f4ng ng\u0103n ph\u00f4i ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c kh\u00ed quy\u1ec3n trong kh\u00f4ng kh\u00ed, do \u0111\u00f3 k\u1ebft qu\u1ea3 kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng. <\/p>\n L\u00e0m c\u1ee9ng b\u1eb1ng ng\u1ecdn l\u1eeda c\u0169ng bao g\u1ed3m vi\u1ec7c l\u00e0m c\u1ee9ng b\u1ec1 m\u1eb7t ngo\u00e0i b\u1eb1ng ng\u1ecdn l\u1eeda trong khi v\u1eabn duy tr\u00ec \u0111\u1ed9 d\u1ebbo c\u1ee7a ph\u1ea7n l\u00f5i. Kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng b\u1eb1ng ng\u1ecdn l\u1eeda c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 10 mm. Quy tr\u00ecnh n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m c\u1ee9ng c\u00e1c b\u1ed9 ph\u1eadn nh\u1ecf ho\u1eb7c m\u1ecfng ho\u1eb7c \u0111\u1ec3 l\u00e0m c\u1ee9ng c\u00e1c khu v\u1ef1c c\u1ee5 th\u1ec3 c\u1ee7a m\u1ed9t b\u1ed9 ph\u1eadn quan tr\u1ecdng h\u01a1n. V\u00ec l\u00e0m c\u1ee9ng b\u1eb1ng c\u1ea3m \u1ee9ng kh\u00f4ng s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p gia nhi\u1ec7t h\u1edf nh\u01b0 l\u00e0m c\u1ee9ng b\u1eb1ng ng\u1ecdn l\u1eeda n\u00ean n\u00f3 ch\u00ednh x\u00e1c h\u01a1n v\u00e0 kh\u00f4ng t\u1ea1o ra qu\u00e1 nhi\u1ec7t, \u0111\u00f3ng c\u1eb7n ho\u1eb7c h\u01b0 h\u1ecfng do tho\u00e1t cacbon.<\/p>\n<\/div><\/div><\/div><\/div><\/div> L\u00e0m c\u1ee9ng c\u1ea3m \u1ee9ng cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c l\u1ee3i th\u1ebf so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m c\u1ee9ng kh\u00e1c. C\u00f3 th\u1ec3 l\u00e0m c\u1ee9ng m\u1ed9t khu v\u1ef1c ph\u00f4i c\u1ee5 th\u1ec3 v\u1edbi \u0111\u1ed9 s\u00e2u th\u00e2m nh\u1eadp ch\u00ednh x\u00e1c b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng l\u00e0m c\u1ee9ng c\u1ea3m \u1ee9ng. Nhi\u1ec1u \u1ee9ng d\u1ee5ng<\/a> y\u00eau c\u1ea7u l\u00e0m c\u1ee9ng ph\u00f4i ch\u1ec9 tr\u00ean m\u1ed9t ph\u1ea7n c\u1ee5 th\u1ec3, c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t c\u00e1c bi\u1ebfn s\u1ed1 v\u1eadn h\u00e0nh, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u01b0\u1ee3ng d\u00f2ng \u0111i\u1ec7n, th\u1eddi gian gia nhi\u1ec7t v\u00e0 t\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n<\/a> . Ngo\u00e0i ra, c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf m\u1ed9t cu\u1ed9n d\u00e2y t\u00f9y ch\u1ec9nh<\/a> cho quy tr\u00ecnh d\u1ef1a tr\u00ean m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3. Sau \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ee3i th\u1ebf ch\u00ednh kh\u00e1c c\u1ee7a quy tr\u00ecnh l\u00e0m c\u1ee9ng c\u1ea3m \u1ee9ng. <\/p>\n Nh\u1ea5p \u0111\u1ec3 xem c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u00f4i c\u1ea3m \u1ee9ng kh\u00e1c nhau.<\/em><\/a><\/p>\n Nh\u1ea5p \u0111\u1ec3 xem c\u00e1ch th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh t\u00f4i v\u00e0 t\u1ef1 ram.<\/em><\/a><\/p>\n<\/div><\/div><\/div><\/div><\/div> H\u00ecnh d\u1ea1ng ph\u00f4i v\u00e0 gia nhi\u1ec7t \u0111\u1ed3ng \u0111\u1ec1u c\u00f3 li\u00ean quan \u0111\u1ebfn nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u00ednh c\u1ee7a qu\u00e1 tr\u00ecnh t\u00f4i c\u1ea3m \u1ee9ng. N\u1ebfu h\u00ecnh d\u1ea1ng ph\u00f4i ph\u1ee9c t\u1ea1p, v\u00f9ng g\u1ea7n cu\u1ed9n c\u1ea3m \u1ee9ng s\u1ebd n\u00f3ng h\u01a1n c\u00e1c ph\u1ea7n kh\u00e1c. Tuy nhi\u00ean, s\u1eed d\u1ee5ng cu\u1ed9n c\u1ea3m \u1ee9ng t\u00f9y ch\u1ec9nh theo h\u00ecnh d\u1ea1ng c\u1ee7a ph\u00f4i s\u1ebd lo\u1ea1i b\u1ecf kh\u1ea3 n\u0103ng gia nhi\u1ec7t kh\u00f4ng \u0111\u1ec1u. N\u1ee9t \u1edf ph\u00f4i l\u00e0 m\u1ed9t nh\u01b0\u1ee3c \u0111i\u1ec3m c\u00f3 th\u1ec3 x\u1ea3y ra kh\u00e1c c\u1ee7a qu\u00e1 tr\u00ecnh t\u00f4i c\u1ea3m \u1ee9ng. M\u1ed9t s\u1ed1 l\u00fd do bao g\u1ed3m gi\u00e3n n\u1edf nhi\u1ec7t, \u1ee9ng su\u1ea5t nhi\u1ec7t v\u00e0 l\u00e0m ngu\u1ed9i kh\u00f4ng \u0111\u1ec1u. Sau \u0111\u00e2y l\u00e0 nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u00ednh kh\u00e1c c\u1ee7a qu\u00e1 tr\u00ecnh t\u00f4i c\u1ea3m \u1ee9ng. <\/p>\n Kh\u00f4ng c\u00f2n nghi ng\u1edd g\u00ec n\u1eefa, t\u00f4i c\u1ea3m \u1ee9ng l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c t\u1ebf \u0111\u1ec3 t\u00f4i h\u1ee3p kim th\u00e9p c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon c\u1ee5 th\u1ec3. N\u00f3 cung c\u1ea5p kh\u1ea3 n\u0103ng t\u00f4i \u0111\u1ed3ng \u0111\u1ec1u, chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng th\u1ea5p, th\u1eddi gian ho\u00e0n th\u00e0nh nhanh v\u00e0 m\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m kh\u00e1c. N\u00f3 c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m, c\u1ee5 th\u1ec3 l\u00e0 kh\u1ea3 n\u0103ng n\u1ee9t v\u00e0 chi ph\u00ed l\u1eafp \u0111\u1eb7t cao. Tuy nhi\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y t\u00f4i c\u1ea3m \u1ee9ng<\/a> tinh vi c\u1ee7a FOCO gi\u00fap quy tr\u00ecnh n\u00e0y ti\u1ebft ki\u1ec7m chi ph\u00ed th\u00f4ng qua t\u00ednh b\u1ec1n v\u1eefng c\u1ee7a n\u00f3. H\u01a1n n\u1eefa, h\u00ecnh d\u1ea1ng c\u1ee7a ph\u00f4i v\u00e0 vi\u1ec7c t\u00f9y ch\u1ec9nh cu\u1ed9n c\u1ea3m \u1ee9ng<\/a> gi\u00fap ng\u0103n ng\u1eeba nguy c\u01a1 h\u00ecnh th\u00e0nh v\u1ebft n\u1ee9t.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":11560,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[198],"tags":[245],"class_list":["post-11571","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-198","tag-lam-cung-cam-ung"],"_links":{"self":[{"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/posts\/11571","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/comments?post=11571"}],"version-history":[{"count":0,"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/posts\/11571\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/media\/11560"}],"wp:attachment":[{"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/media?parent=11571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/categories?post=11571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/tags?post=11571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Qu\u00e1 tr\u00ecnh t\u00f4i c\u1ea3m \u1ee9ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 c\u01a1 h\u1ecdc nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n
C\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m c\u1ee9ng kh\u00e1c<\/h2>\n
\n
\n
\n
\u01afu \u0111i\u1ec3m c\u1ee7a c\u00f4ng ngh\u1ec7 t\u00f4i c\u1ea3m \u1ee9ng l\u00e0 g\u00ec?<\/h2>\n
\n
Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p t\u00f4i c\u1ea3m \u1ee9ng l\u00e0 g\u00ec?<\/h2>\n
\n
T\u00f3m t\u1eaft<\/h2>\n