{"id":11034,"date":"2023-02-23T11:32:22","date_gmt":"2023-02-23T03:32:22","guid":{"rendered":"https:\/\/www.focoinduction.com\/meo-cua-brasagem-giai-thich\/"},"modified":"2025-01-02T11:10:29","modified_gmt":"2025-01-02T03:10:29","slug":"meo-cua-brasagem-giai-thich","status":"publish","type":"post","link":"https:\/\/www.focoinduction.com\/vi\/meo-cua-brasagem-giai-thich\/","title":{"rendered":"M\u1eb9o c\u1ee7a brasagem: Gi\u1ea3i th\u00edch"},"content":{"rendered":"

Khi b\u1ea1n l\u00e0m quen v\u1edbi m\u1ed9t c\u00f4ng vi\u1ec7c nh\u01b0 m\u1ed9t qu\u00e1 tr\u00ecnh li\u00ean k\u1ebft gi\u1eefa c\u00e1c metais v\u1edbi t\u01b0 c\u00e1ch l\u00e0 m\u1ed9t nh\u00e0 t\u00e0i tr\u1ee3 v\u00e0 m\u1ed9t s\u1ed1 kim lo\u1ea1i. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u1ee5 th\u1ec3 cho brasagem com ma\u00e7arico, m\u1ed9t trong nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho brasagem. \u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 ng\u01b0\u1eddi, t\u1ed3n t\u1ea1i nhi\u1ec1u v\u1ea5n \u0111\u1ec1 ngo\u00e0i c\u00e1c m\u1eb9o v\u1ec1 brasagem, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t ngu\u1ed3n calo kh\u00e1c nhau – brasagem por indu\u00e7\u00e3o, brasagem por resist\u00eancia, brasagem por imers\u00e3o, brasagem em forno v\u00e0 brasagem por infravermelhos. B\u00e0i vi\u1ebft n\u00e0y c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc c\u1ee7a brasagem v\u00e0 leo thang trong khi b\u1ea1n s\u1eed d\u1ee5ng m\u1ed9t c\u00f4ng nghi\u1ec7p nh\u1ecf. Ti\u1ebfp t\u1ee5c m\u1ed9t ph\u1ea7n \u0111\u1ec3 l\u00e0m quen v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u1ee7a brasagem.<\/p>\n<\/div>

Brasagem l\u00e0 g\u00ec?<\/h2>\n

Brasagem l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh li\u00ean k\u1ebft c\u00e1c metais v\u1edbi kim lo\u1ea1i \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n nh\u01b0 l\u00e0 b\u1ec1 ngo\u00e0i c\u1ee7a s\u1ef1 k\u1ebft h\u1ee3p (v\u00e0 li\u00ean h\u1ec7) v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb kim lo\u1ea1i. Qu\u00e1 tr\u00ecnh n\u00e0y, ho\u1eb7c kim lo\u1ea1i c\u01a1 b\u1ea3n kh\u00f4ng b\u1ecb h\u1ecfng. Nh\u1eefng \u0111i\u1ec1u c\u1ea7n thi\u1ebft v\u1ec1 v\u1eadt ch\u1ea5t \u0111\u1ec3 c\u1ea3i ti\u1ebfn v\u00e0 c\u1ea3i ti\u1ebfn ch\u00ednh s\u00e1ch. \u0110\u01b0a ra m\u1ed9t s\u1ee9c \u0111\u1ec1 kh\u00e1ng c\u1ee7a m\u1ed9t ng\u01b0\u1eddi b\u00e1n h\u00e0ng c\u00f3 th\u1ec3 k\u00e9m h\u01a1n ng\u01b0\u1eddi b\u00e1n h\u00e0ng, m\u1ed9t ng\u01b0\u1eddi b\u00e1n h\u00e0ng c\u00f3 nhi\u1ec1u l\u1ee3i \u00edch quan tr\u1ecdng trong m\u1ed1i quan h\u1ec7 n\u00e0y. V\u00ed d\u1ee5, c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 kh\u00e1c nhau v\u00e0 nh\u1eefng \u0111i\u1ec3m cu\u1ed1i c\u00f9ng m\u00e0 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng \u0111\u01b0\u1ee3c b\u00e1n. Nhi\u1ec1u \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. H\u1ecd s\u1eed d\u1ee5ng \u00f4 t\u00f4 c\u00f4ng nghi\u1ec7p cho c\u00e1c \u1ed1ng v\u00e0 can\u00f4 c\u00f4ng nghi\u1ec7p, m\u1ed9t ng\u00e0nh c\u00f4ng nghi\u1ec7p thi\u1ebft b\u1ecb \u0111i\u1ec7n cho c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 cho ni\u1ec1m vui c\u1ee7a ni\u1ec1m vui.<\/p>\n<\/div>

6 Nguy\u00ean t\u1eafc c\u1ee7a brasagem<\/h2>\n

Quy tr\u00ecnh brasagem n\u00e0y c\u00f3 hi\u1ec7u qu\u1ea3 trong vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p v\u00e1 l\u1ed7i, \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh b\u1edfi c\u00e1c quy tr\u00ecnh ho\u1eb7c m\u1eb9o brasagem. M\u1ed9t trong nh\u1eefng nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n l\u00e0 s\u1eed d\u1ee5ng ngu\u1ed3n n\u01b0\u1edbc \u0111\u1ec3 cung c\u1ea5p n\u01b0\u1edbc ho\u1eb7c kim lo\u1ea1i qu\u1ea3ng c\u00e1o [1, 2]. <\/p>\n

1. Brasagem com tocha: M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u00fd t\u01b0\u1edfng v\u00e0 \u0111\u1eb7c bi\u1ec7t v\u1ec1 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p<\/h3>\n

Brasagem com ma\u00e7arico l\u00e0 m\u1ed9t m\u1eb9o nh\u1ecf m\u00e0 brasagem c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n, ho\u1eb7c th\u00f4ng l\u01b0\u1ee3ng l\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a hai b\u1ed9 \u0111\u00f4i b\u1ec1 ngo\u00e0i c\u1ee7a s\u1ef1 th\u1ed1ng nh\u1ea5t trong m\u1ed9t ma\u00e7arico de chama. T\u00f4i c\u00f3 th\u1ec3 l\u00e0m \u0111i\u1ec1u \u0111\u00f3 b\u1eb1ng c\u00e1ch gi\u1ea3m t\u1ed1c \u0111\u1ed9 \u0111\u1ec3 tr\u00e1nh b\u1ecb oxy h\u00f3a. \u0110\u00e2y l\u00e0 m\u00f3n \u0103n b\u00ecnh th\u01b0\u1eddng \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi acetileno ho\u1eb7c propileno, enquanto o Material de enchimento se a Presenta sob a forma de fio ou vareta. M\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng v\u1edbi ma\u00e7arico l\u00e0 m\u1ed9t h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 th\u00f4ng th\u01b0\u1eddng, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y \u0111\u1ec3 \u0111\u1ecbnh c\u1ea5u h\u00ecnh m\u1ed9t chama v\u00e0 m\u1ed9t nh\u00e0 \u0111i\u1ec1u h\u00e0nh tr\u00ean ma\u00e7aricos manuais. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eeda ch\u1eefa, em c\u1ea7n ph\u1ea3i n\u00e2ng cao m\u1ee9c \u0111\u1ed9 ki\u1ec3m so\u00e1t \u0111\u1ec3 t\u00ednh to\u00e1n k\u1ebft qu\u1ea3 mong mu\u1ed1n. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0ng lo\u1ea1t s\u1ea3n ph\u1ea9m \u0111\u1ec3 t\u1ea1o ra m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c b\u1ea3ng k\u00ea v\u00e0 h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3. <\/p>\n

2. Brasagem em forno: M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 s\u1ea3n xu\u1ea5t ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng v\u00e0 nh\u1eefng th\u1ee9 kh\u00e1c<\/h3>\n

M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p qu\u1ea3ng c\u00e1o kh\u00f4ng c\u00f3 l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng th\u01b0\u01a1ng m\u1ea1i. B\u1ea1n n\u00ean s\u1eed d\u1ee5ng m\u1ed9t ngu\u1ed3n d\u1ef1 tr\u1eef calo, m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u00edch h\u1ee3p cho nhu c\u1ea7u s\u1ea3n xu\u1ea5t tr\u00ean ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng v\u00e0 m\u1ed9t c\u1ea5p \u0111\u1ed9 cao h\u01a1n. \u0110\u1ec3 s\u1ea3n xu\u1ea5t ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng leo thang, qu\u00e1 tr\u00ecnh n\u00e0y b\u1eaft \u0111\u1ea7u v\u1edbi vi\u1ec7c ch\u1ebf t\u1ea1o c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 l\u00e0m kim lo\u1ea1i cho nh\u1eefng chi\u1ebfc pequenos kh\u00f4ng c\u00f3 g\u00ec \u0111\u00e1ng lo ng\u1ea1i. \u0110i\u1ec1u n\u00e0y s\u1ebd x\u1ea3y ra n\u1ebfu b\u1ea1n kh\u00f4ng mu\u1ed1n u\u1ed1ng n\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ea7n thi\u1ebft. B\u1ea1n \u0111\u00e3 k\u1ebft th\u00fac qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc, c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng s\u1ebd b\u1ecb thu h\u1ed3i v\u00e0 h\u1ee7y b\u1ecf. L\u00e0 ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t alta s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 th\u00f4ng l\u01b0\u1ee3ng li\u00ean t\u1ee5c, \u0111\u00e2y l\u00e0 n\u01a1i b\u1ea1n c\u00f3 th\u1ec3 thu\u00ea m\u1ed9t m\u00e1y ch\u1ee7 \u0111\u1ec3 v\u1eadn chuy\u1ec3n v\u00e0 v\u1eadn chuy\u1ec3n c\u00e1c m\u00e1y bay nhi\u1ec1u gi\u00e2y trong m\u00e1y thu n\u01b0\u1edbc v\u00e0 c\u00f4ng vi\u1ec7c thu th\u1eadp. Ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 v\u00e0 kh\u00ed quy\u1ec3n l\u00e0 \u0111i\u1ec1u c\u01a1 b\u1ea3n trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng kh\u00ed, b\u1ea1n c\u00f3 th\u1ec3 y\u00eau c\u1ea7u b\u1ea7u kh\u00f4ng kh\u00ed xung quanh trung t\u00ednh ho\u1eb7c b\u1ed9 gi\u1ea3m t\u1ed1c. Trong t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 thu th\u1eadp. <\/p>\n

3. Brasagem por indu\u00e7\u00e3o: M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p nhanh ch\u00f3ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t baixa a alta<\/h3>\n

M\u1ed9t brasagem por indu\u00e7\u00e3o<\/a> funciona com base no princ\u00edpio da gera\u00e7\u00e3o de calor atrav\u00e9s da resist\u00eancia el\u00e9ctrica. Ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch t\u1ed1t nh\u1ea5t, nh\u01b0 pe\u00e7as, carregadas com metal de adi\u00e7\u00e3o, sao cho colocadas kh\u00f4ng c\u00f3 b\u00ean trong m\u1ed9t cu\u1ed9n d\u00e2y c\u1ea3m \u1ee9ng h\u1ed7 tr\u1ee3 s\u1eeda ch\u1eefa thay th\u1ebf t\u1ea7n s\u1ed1 cao. O ponto-chave a ter em conta \u00e9 que o conjunto de pe\u00e7as \u00e9 simplesmente colocado no Interior. Kh\u00f4ng t\u1ed3n t\u1ea1i t\u00ecnh tr\u1ea1ng kh\u00f3 kh\u0103n v\u1ec1 d\u00e2y ch\u1eb1ng nh\u01b0 m\u1ed9t s\u1ee3i t\u00f3c. V\u00ec t\u1ea7n s\u1ed1 CA s\u1eed d\u1ee5ng d\u1ea3i t\u1ea7n \u0111\u1ec3 t\u1ea1o ra m\u1ed9t d\u1ea3i t\u1ea7n 5 kHz – 5 MHz. V\u00ec t\u1ea7n su\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi mu\u1ed1n b\u1eaft \u0111\u1ea7u tr\u1edf n\u00ean si\u00eau nhanh, nh\u01b0ng th\u01b0\u1eddng xuy\u00ean nh\u01b0 v\u1eady s\u1ebd khi\u1ebfn b\u1ea1n th\u00e2m nh\u1eadp s\u00e2u h\u01a1n nhi\u1ec1u v\u00e0o l\u01b0\u1ee3ng calo c\u1ea7n thi\u1ebft. Brasagem por indu\u00e7\u00e3o \u00e9 normalmente utilizada \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a baixa alta produ\u00e7\u00e3o. Ngo\u00e0i ra, c\u00f3 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp nhanh ch\u00f3ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m b\u00e1n \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng cao nh\u1ea5t cho c\u00e1c kim lo\u1ea1i. <\/p>\n

4. Brasagem por resist\u00eancia: M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd n\u01b0\u1edbc tr\u1ef1c ti\u1ebfp cho ng\u01b0\u1eddi pe\u00e7as pequenas<\/h3>\n

Brasagem por resist\u00eancia l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t ph\u1ea7n s\u1ee9c \u0111\u1ec1 kh\u00e1ng v\u1edbi c\u00e1c kim lo\u1ea1i medida m\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ec9nh d\u00f2ng ch\u1ea3y \u0111ang \u0111i qua. Qu\u00e1 tr\u00ecnh n\u00e0y, nh\u01b0 m\u1ed9t thi\u1ebft b\u1ecb, \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi kim lo\u1ea1i qu\u1ea3ng c\u00e1o trong nh\u1eefng ng\u00e0y n\u00e0y, sao cho ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec7n c\u1ef1c. Trong ph\u1ea7n ti\u1ebfp theo, c\u00e1c \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c \u0111\u01b0a ra b\u1edfi b\u00e1o ch\u00ed v\u00e0 s\u1eeda l\u1ed7i kh\u00e1c. Ph\u01b0\u01a1ng ph\u00e1p brasagem por resist\u00eancia segue ho\u1eb7c mesmo princ\u00edpio da brasagem por indu\u00e7\u00e3o. Kh\u00f4ng c\u00f3 g\u00ec, h\u00e1 uma kh\u00e1c nhau. B\u1ea1n c\u00f3 th\u1ec3 l\u00e0m nh\u01b0 v\u1eady, v\u00ec kim lo\u1ea1i \u0111ang khi\u1ebfn m\u1ed9t ph\u1ea7n c\u1ee7a m\u1ea1ch \u0111i\u1ec7n tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n trong m\u1ea1ch \u0111i\u1ec7n n\u00e0y. S\u1ef1 t\u00f2 m\u00f2, ho\u1eb7c thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng quy tr\u00ecnh t\u1ed5 ch\u1ee9c c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u00e1n cho \u0111i\u1ec7n tr\u1edf. Kh\u00f4ng c\u1ea7n n\u1eefa, ho\u1eb7c trang b\u1ecb \u00e1o ng\u1ef1c ti\u00eau t\u1ed1n r\u1ea5t nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 b\u00e1n h\u00e0ng. B\u1ea1n \u0111\u00e3 t\u1eebng l\u00e0m \u0111i\u1ec1u n\u00e0y v\u00ec c\u1ea3m gi\u00e1c nh\u01b0 m\u1ed9t l\u1eddi n\u00f3i d\u1ed1i v\u00ec s\u1ee9c \u0111\u1ec1 kh\u00e1ng c\u1ee7a t\u1ed1c \u0111\u1ed9 nhanh, sao cho s\u1ef1 h\u1ee3p nh\u1ea5t c\u1ee7a s\u1ea3n xu\u1ea5t pequena leo thang. <\/p>\n

5. Brasagem por imers\u00e3o: M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p nhanh ch\u00f3ng cho nhi\u1ec1u ng\u01b0\u1eddi<\/h3>\n

Brasagem por imers\u00e3o l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t chi\u1ebfc b\u00e1nh kim lo\u1ea1i ho\u1eb7c m\u1ed9t chi\u1ebfc b\u00e1nh ng\u1ecdt \u0111\u1ec3 l\u00e0m n\u01b0\u1edbc u\u1ed1ng. Gi\u1ed1ng nh\u01b0 t\u00ean c\u1ee7a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd \u0111\u01a1n gi\u1ea3n, v\u00ec ng\u01b0\u1eddi ta mu\u1ed1n s\u00e1p nh\u1eadp v\u00e0o b\u00e1nh m\u00ec \u0111\u1ec3 x\u1eed l\u00fd ch\u1ea5t r\u1eafn ho\u1eb7c x\u1ea3y ra t\u00ecnh hu\u1ed1ng kh\u00f3 kh\u0103n khi ng\u01b0\u1eddi ta lo\u1ea1i b\u1ecf ch\u00fang. Kh\u00f4ng c\u00f3 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m b\u00e1nh m\u00ec n\u00e0o, m\u1ed9t c\u00e1ch sai l\u1ea7m, l\u00e0 th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a kim lo\u1ea1i qu\u1ea3ng c\u00e1o sao cho ph\u1ed5 bi\u1ebfn kh\u00f4ng c\u00f3 li\u00ean k\u1ebft. Enquanto est\u00e1 no banho de metal, or metal de adadi\u00e7\u00e3o Fundido Actua as meio de aquecimento and \u00e9 arrastado para a junta por ac\u00e3o capilar durante or too tr\u00ecnh ng\u00e2m n\u01b0\u1edbc. Gi\u1ed1ng nh\u01b0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tr\u01b0\u1edbc \u0111\u00f3, m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn kh\u00e1c c\u0169ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo t\u1ef7 l\u1ec7 nh\u1ecbp \u0111\u1ed9 nhanh. Tuy nhi\u00ean, l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c b\u00e1n nhi\u1ec1u th\u1ee9 n\u00e0y l\u00e0 m\u1ed9t ph\u1ea7n nh\u1ecf ho\u1eb7c nhi\u1ec1u th\u00e0nh ph\u1ea7n v\u1edbi t\u1ed1c \u0111\u1ed9 nhanh ch\u00f3ng. <\/p>\n

6. Brasagem por infravermelhos: M\u1ed9t phong c\u00e1ch hi\u1ec7n \u0111\u1ea1i c\u1ee7a brasar sec\u00e7\u00f5es finas<\/h3>\n

Kh\u00f4ng c\u00f3 tia h\u1ed3ng ngo\u1ea1i, ho\u1eb7c calo cho m\u1ed9t chi\u1ebfc brasagem \u00e9 fornecido atrav\u00e9s de l\u00e2mpadas de infravermelhos de alta c\u01b0\u1eddng \u0111\u1ed9 cao. \u0110\u00e2y l\u00e0 n\u01a1i c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c ti\u00eau th\u1ee5 5.000 W nhi\u1ec7t l\u01b0\u1ee3ng, ho\u1eb7c que, khi\u1ebfn cho c\u00e1c kim lo\u1ea1i tr\u1edf n\u00ean n\u00f3ng h\u01a1n, g\u00e2y ra s\u1ef1 n\u00f3ng ch\u1ea3y v\u00e0 b\u00e1n h\u00e0ng sau. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i th\u00edch tr\u01b0\u1edbc \u0111\u00f3. \u0110\u1ed3ng th\u1eddi, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng gi\u1edbi h\u1ea1n c\u1ee7a m\u00ecnh \u0111\u1ec3 k\u1ebft h\u1ee3p v\u00e0 thanh to\u00e1n c\u00e1c kho\u1ea3n t\u00e0i ch\u00ednh kim lo\u1ea1i cu\u1ed1i c\u00f9ng. <\/p>\n<\/div>

K\u1ebft lu\u1eadn<\/strong><\/h2>\n

T\u1ed3n t\u1ea1i m\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc c\u1ee7a brasagem, \u0111\u00e2y l\u00e0 m\u1ed9t ngu\u1ed3n cung c\u1ea5p n\u01b0\u1edbc kh\u00e1c nhau v\u00e0 m\u1ed9t s\u1ed1 l\u1ee3i \u00edch li\u00ean quan. Brasagem com ma\u00e7arico l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u1eb7c bi\u1ec7t v\u00e0 chuy\u00ean nghi\u1ec7p, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 trabalhos de s\u1eeda ch\u1eefa. M\u1ed9t \u0111i\u1ec1u \u0111\u00e1ng ti\u1ebfc l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tham gia v\u00e0o m\u1ed9t \u0111i\u1ec1u g\u00ec \u0111\u00f3, \u0111\u1ee7 \u0111\u1ec3 \u1ee9ng d\u1ee5ng s\u1ea3n xu\u1ea5t ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng v\u00e0 n\u00e2ng cao. M\u1ed9t brasagem por indu\u00e7\u00e3o v\u00e0 por resist\u00eancia, que use calor de resist\u00eancia el\u00e9ctrica, do \u0111\u00f3 ph\u01b0\u01a1ng ph\u00e1p \u0111o t\u1ed1c \u0111\u1ed9 nhanh ch\u00f3ng l\u00e0 \u0111\u1ee7 cho nh\u1eefng ng\u01b0\u1eddi pe\u00e7as pequenas. Brasagem por imers\u00e3o l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p nhanh ch\u00f3ng d\u00e0nh cho c\u00e1c c\u00f4ng ty qu\u1ea3n l\u00fd, enquanto brasagem por infravermelhos se limita apenas a jutas finas utilizando raios IR. T\u00f3m l\u1ea1i, \u0111\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p kinh doanh c\u1ee7a b\u1ea1n ho\u1eb7c c\u00e1ch s\u1eed d\u1ee5ng \u0111\u1eb7c bi\u1ec7t v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ee5 thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng, quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 k\u1ebft qu\u1ea3 gi\u1ea3 v\u1edd.<\/p>\n<\/div>

T\u00e0i li\u1ec7u tham kh\u1ea3o:<\/strong><\/p>\n

[1] MP Groover, Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a s\u1ea3n xu\u1ea5t hi\u1ec7n \u0111\u1ea1i: Quy tr\u00ecnh v\u00e0 h\u1ec7 th\u1ed1ng<\/em> , t\u00e1i b\u1ea3n l\u1ea7n th\u1ee9 5<\/sup> . Wiley. [2] Hi\u1ec7p h\u1ed9i Americana de Soldadura. Comit\u00e9 de Brasagem e Soldadura, Manual de Brasagem<\/em> , 3.\u00aa<\/sup> ed. Miami: Hi\u1ec7p h\u1ed9i H\u00e0n M\u1ef9, 1976, trang ix, 309 trang.<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":11018,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[198],"tags":[231],"class_list":["post-11034","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-198","tag-han-cam-ung"],"_links":{"self":[{"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/posts\/11034","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=11034"}],"version-history":[{"count":0,"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/posts\/11034\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/media\/11018"}],"wp:attachment":[{"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/media?parent=11034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/categories?post=11034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.focoinduction.com\/vi\/wp-json\/wp\/v2\/tags?post=11034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}