{"id":1688,"date":"2024-06-07T12:41:52","date_gmt":"2024-06-07T12:41:52","guid":{"rendered":"https:\/\/tryvary.com\/?p=1688"},"modified":"2024-06-13T16:50:04","modified_gmt":"2024-06-13T08:50:04","slug":"through-hole-component-soldering-techniques-guide","status":"publish","type":"post","link":"https:\/\/tryvary.com\/vi\/huong-dan-ky-thuat-han-thanh-phan-thong-qua-lo\/","title":{"rendered":"Ti\u1ebft l\u1ed9 7 k\u1ef9 thu\u1eadt h\u00e0n linh ki\u1ec7n xuy\u00ean l\u1ed7 t\u1ed1t nh\u1ea5t"},"content":{"rendered":"<p>Y\u00eau c\u1ea7u h\u00e0n th\u00e0nh ph\u1ea7n xuy\u00ean l\u1ed7 <strong>\u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 s\u1ef1 ch\u00fa \u00fd \u0111\u1ebfn t\u1eebng chi ti\u1ebft<\/strong>. N\u1eafm v\u1eefng b\u1ea3y k\u1ef9 thu\u1eadt thi\u1ebft y\u1ebfu l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ed1i h\u00e0n \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3. <strong>Qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u1ed9<\/strong> l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng, v\u1edbi kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c gi\u00fap ng\u0103n ch\u1eb7n c\u00e1c kh\u1edbp qu\u00e1 n\u00f3ng v\u00e0 l\u1ea1nh. <strong>\u1ee8ng d\u1ee5ng th\u00f4ng l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3<\/strong>&#044; <strong>v\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n th\u00edch h\u1ee3p<\/strong>, v\u00e0 kh\u1ea3 n\u0103ng th\u1ea5m h\u00fat h\u00e0n \u0111\u1ec3 gi\u1ea3m b\u1edbt m\u1ed1i h\u00e0n c\u0169ng r\u1ea5t c\u1ea7n thi\u1ebft. L\u00e0m n\u00f3ng tr\u01b0\u1edbc \u0111\u1ec3 c\u00f3 d\u00f2ng ch\u1ea3y h\u00e0n t\u1ed1t nh\u1ea5t, ng\u0103n ch\u1eb7n d\u00f2ng ch\u1ea3y h\u00e0n v\u00e0 <strong>ki\u1ec3m tra l\u1ed7i<\/strong> ho\u00e0n th\u00e0nh danh s\u00e1ch c\u00e1c k\u1ef9 thu\u1eadt quan tr\u1ecdng. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 nh\u1eefng k\u1ef9 thu\u1eadt n\u00e0y, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c m\u1ed1i h\u00e0n \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3, \u0111\u1ed3ng th\u1eddi t\u1ed1i \u0111a h\u00f3a to\u00e0n b\u1ed9 ti\u1ec1m n\u0103ng c\u1ee7a h\u00e0n linh ki\u1ec7n xuy\u00ean l\u1ed7.<\/p><h2>B\u00e0i h\u1ecdc ch\u00ednh<\/h2><ul><li>Duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 m\u1ecf h\u00e0n \u1ed5n \u0111\u1ecbnh trong kho\u1ea3ng t\u1eeb 315\u00b0C \u0111\u1ebfn 427\u00b0C \u0111\u1ec3 tr\u00e1nh qu\u00e1 nhi\u1ec7t v\u00e0 l\u1ea1nh c\u00e1c m\u1ed1i h\u00e0n.<\/li><li>\u00c1p d\u1ee5ng ch\u1ea5t tr\u1ee3 dung m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng b\u00fat ho\u1eb7c c\u1ecd \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng d\u00f2ng h\u00e0n v\u00e0 l\u00e0m \u01b0\u1edbt c\u00e1c d\u00e2y d\u1eabn linh ki\u1ec7n.<\/li><li>\u0110\u1ea3m b\u1ea3o v\u1ecb tr\u00ed c\u00e1c b\u1ed9 ph\u1eadn th\u00edch h\u1ee3p v\u1edbi kho\u1ea3ng c\u00e1ch th\u00edch h\u1ee3p \u0111\u1ec3 h\u00e0n th\u1ee7 c\u00f4ng d\u1ec5 d\u00e0ng v\u00e0 l\u00e0m s\u1ea1ch c\u00e1c m\u1ed1i n\u1ed1i.<\/li><li>S\u1eed d\u1ee5ng qu\u00e1 tr\u00ecnh gia nhi\u1ec7t tr\u01b0\u1edbc \u0111\u1ec3 gi\u1ea3m thi\u1ec3u s\u1ed1c nhi\u1ec7t v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho d\u00f2ng h\u00e0n l\u00fd t\u01b0\u1edfng, gi\u1ea3m khuy\u1ebft t\u1eadt v\u00e0 b\u1ea3o v\u1ec7 c\u00e1c b\u1ed9 ph\u1eadn nh\u1ea1y c\u1ea3m.<\/li><li>Ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 ng\u0103n ng\u1eeba \u0111o\u1ea3n m\u1ea1ch, kh\u1edbp y\u1ebfu v\u00e0 tr\u1ee5c tr\u1eb7c, \u0111\u1ed3ng th\u1eddi x\u00e1c \u0111\u1ecbnh v\u00e0 s\u1eeda l\u1ed7i \u0111\u1ec3 m\u1ea1ch ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady.<\/li><\/ul><h2>L\u00e0m ch\u1ee7 nhi\u1ec7t \u0111\u1ed9 m\u1ecf h\u00e0n<\/h2><div class=\"embed-youtube\" style=\"position: relative;width: 100%;height: 0;padding-bottom: 56.25%;margin-bottom:20px\"><\/div><p>N\u1eafm v\u1eefng nhi\u1ec7t \u0111\u1ed9 thi\u1ebft y\u1ebfu c\u1ee7a m\u1ecf h\u00e0n l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c m\u1ed1i h\u00e0n xuy\u00ean l\u1ed7 ch\u1eafc ch\u1eafn v\u00e0 ch\u1eafc ch\u1eafn, v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a li\u00ean k\u1ebft v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn.<\/p><p>Kho\u1ea3ng nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng cho <strong>m\u1eb9o h\u00e0n s\u1eaft xuy\u00ean l\u1ed7<\/strong> th\u01b0\u1eddng r\u01a1i v\u00e0o kho\u1ea3ng 315\u00b0C \u0111\u1ebfn 371\u00b0C (600\u00b0F \u0111\u1ebfn 700\u00b0F) \u0111\u1ed1i v\u1edbi <strong>h\u00e0n ch\u00ec<\/strong> v\u00e0 371\u00b0C \u0111\u1ebfn 427\u00b0C (700\u00b0F \u0111\u1ebfn 800\u00b0F) \u0111\u1ed1i v\u1edbi <strong>Ch\u00ec h\u00e0n mi\u1ec5n ph\u00ed<\/strong>.<\/p><p>Duy tr\u00ec m\u1ed9t <strong>Nhi\u1ec7t \u0111\u1ed9 m\u1ecf h\u00e0n \u1ed5n \u0111\u1ecbnh<\/strong> l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 nhi\u1ec7t, h\u01b0 h\u1ecfng linh ki\u1ec7n ho\u1eb7c m\u1ed1i h\u00e0n ngu\u1ed9i. <strong>Tr\u1ea1m ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9<\/strong> cung c\u1ea5p c\u00e1c \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c cho c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau, \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 h\u00e0n tuy\u1ec7t v\u1eddi v\u00e0 ng\u0103n ng\u1eeba <strong>thi\u1ec7t h\u1ea1i nhi\u1ec7t<\/strong>.<\/p><p>\u0110\u1ea7u m\u1ecf h\u00e0n c\u00f3 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 b\u1eb1ng c\u00e1ch cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh nhanh ch\u00f3ng d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc b\u1ed9 ph\u1eadn v\u00e0 y\u00eau c\u1ea7u v\u1ec1 nhi\u1ec7t. Th\u00edch h\u1ee3p <strong>qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u1ed9 m\u1ecf h\u00e0n<\/strong> l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ed1i h\u00e0n xuy\u00ean l\u1ed7 ch\u1eafc ch\u1eafn v\u00e0 \u0111\u00e1ng tin c\u1eady, gi\u1ea3m nguy c\u01a1 khuy\u1ebft t\u1eadt ho\u1eb7c h\u1ecfng h\u00f3c.<\/p><h2>Ph\u01b0\u01a1ng ph\u00e1p \u1ee9ng d\u1ee5ng th\u00f4ng l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3<\/h2><div class=\"body-image-wrapper\" style=\"margin-bottom:20px\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/flux_application_techniques_overview.jpg\" alt=\"t\u1ed5ng quan v\u1ec1 k\u1ef9 thu\u1eadt \u1ee9ng d\u1ee5ng th\u00f4ng l\u01b0\u1ee3ng\" style=\"aspect-ratio: 16\/9\"><\/div><p>Th\u00edch h\u1ee3p <strong>\u1ee9ng d\u1ee5ng th\u00f4ng l\u01b0\u1ee3ng<\/strong> l\u00e0 m\u1ed9t b\u01b0\u1edbc thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 tin c\u1eady v\u00e0 m\u1ea1nh m\u1ebd <strong>m\u1ed1i h\u00e0n xuy\u00ean l\u1ed7<\/strong>, v\u00ec n\u00f3 t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 <strong>d\u00f2ng ch\u1ea3y h\u00e0n v\u00e0 l\u00e0m \u01b0\u1edbt<\/strong> tr\u00ean c\u00e1c \u0111\u1ea1o tr\u00ecnh th\u00e0nh ph\u1ea7n.<\/p><p>\u1ee8ng d\u1ee5ng th\u00f4ng l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3 \u0111\u1ea3m b\u1ea3o s\u1ea1ch s\u1ebd v\u00e0 <strong>m\u1ed1i h\u00e0n \u0111\u00e1ng tin c\u1eady<\/strong> tr\u00ean c\u00e1c th\u00e0nh ph\u1ea7n xuy\u00ean l\u1ed7. Khi \u00e1p d\u1ee5ng t\u1eeb th\u00f4ng, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch ti\u1ebft ki\u1ec7m \u0111\u1ec3 tr\u00e1nh t\u00edch t\u1ee5 c\u1eb7n d\u01b0 th\u1eeba tr\u00ean b\u1ea3ng m\u1ea1ch in (PCB).<\/p><p>M\u1ed9t c\u00e2y b\u00fat th\u00f4ng l\u01b0\u1ee3ng ho\u1eb7c b\u00e0n ch\u1ea3i l\u00e0 l\u00fd t\u01b0\u1edfng cho <strong>\u1ee9ng d\u1ee5ng ch\u00ednh x\u00e1c tr\u00ean d\u00e2y d\u1eabn th\u00e0nh ph\u1ea7n<\/strong> tr\u01b0\u1edbc khi h\u00e0n. Th\u00f4ng l\u01b0\u1ee3ng \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c oxit, <strong>c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u00e1m d\u00ednh h\u00e0n<\/strong>v\u00e0 gi\u1ea3m s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn c\u00e1c m\u1ed1i h\u00e0n m\u1ea1nh h\u01a1n v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n.<\/p><p>B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u1ee9ng d\u1ee5ng t\u1eeb th\u00f4ng ch\u00ednh x\u00e1c, k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u1ea5t h\u00e0n ch\u1ea3y tr\u01a1n tru v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u, t\u1ea1o ra c\u00e1c m\u1ed1i h\u00e0n xuy\u00ean l\u1ed7 ch\u1eafc ch\u1eafn v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p><h2>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t v\u1ec1 v\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n<\/h2><div class=\"body-image-wrapper\" style=\"margin-bottom:20px\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/efficient_component_placement_guidelines.jpg\" alt=\"h\u01b0\u1edbng d\u1eabn b\u1ed1 tr\u00ed th\u00e0nh ph\u1ea7n hi\u1ec7u qu\u1ea3\" style=\"aspect-ratio: 16\/9\"><\/div><p>\u1ee8ng d\u1ee5ng t\u1eeb th\u00f4ng hi\u1ec7u qu\u1ea3 t\u1ea1o ti\u1ec1n \u0111\u1ec1 cho c\u00e1c m\u1ed1i h\u00e0n xuy\u00ean l\u1ed7 \u0111\u00e1ng tin c\u1eady v\u00e0 \u0111i\u1ec1u quan tr\u1ecdng kh\u00f4ng k\u00e9m l\u00e0 v\u1ecb tr\u00ed chi\u1ebfn l\u01b0\u1ee3c c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn tr\u00ean b\u1ea3ng m\u1ea1ch in (PCB) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 h\u00e0n tuy\u1ec7t v\u1eddi. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t v\u1ec1 v\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng ch\u00fa \u00fd \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c m\u1ed1i h\u00e0n xuy\u00ean l\u1ed7. Kho\u1ea3ng c\u00e1ch th\u00edch h\u1ee3p gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ea3m b\u1ea3o h\u00e0n th\u1ee7 c\u00f4ng d\u1ec5 d\u00e0ng h\u01a1n v\u00e0 gi\u1ea3m nguy c\u01a1 c\u1ea7u h\u00e0n.<\/p><table><thead><tr><th style=\"text-align: center\"><strong>C\u00e2n nh\u1eafc v\u1ec1 v\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n<\/strong><\/th><th style=\"text-align: center\"><strong>Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/strong><\/th><\/tr><\/thead><tbody><tr><td style=\"text-align: center\">Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n<\/td><td style=\"text-align: center\">Duy tr\u00ec kho\u1ea3ng c\u00e1ch v\u1eeba \u0111\u1ee7 \u0111\u1ec3 h\u00e0n th\u1ee7 c\u00f4ng d\u1ec5 d\u00e0ng<\/td><\/tr><tr><td style=\"text-align: center\">V\u1ecb tr\u00ed c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn g\u1eafn tr\u00ean b\u1ec1 m\u1eb7t nh\u1ecf<\/td><td style=\"text-align: center\">\u0110\u1eb7t vu\u00f4ng g\u00f3c v\u1edbi h\u01b0\u1edbng s\u00f3ng \u0111\u1ec3 h\u00e0n s\u00f3ng hi\u1ec7u qu\u1ea3<\/td><\/tr><tr><td style=\"text-align: center\">C\u00e2n b\u1eb1ng nhi\u1ec7t cho c\u00e1c b\u1ed9 ph\u1eadn nh\u1ecf<\/td><td style=\"text-align: center\">\u0110\u1ea3m b\u1ea3o c\u00e2n b\u1eb1ng nhi\u1ec7t th\u00edch h\u1ee3p \u0111\u1ec3 tr\u00e1nh qu\u00e1 nhi\u1ec7t ho\u1eb7c h\u01b0 h\u1ecfng<\/td><\/tr><\/tbody><\/table><p>Vi\u1ec7c c\u1ed9ng t\u00e1c v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t theo h\u1ee3p \u0111\u1ed3ng PCB c\u00f3 th\u1ec3 gi\u00fap t\u1ed1i \u01b0u h\u00f3a v\u1ecb tr\u00ed s\u1eafp x\u1ebfp linh ki\u1ec7n cho quy tr\u00ecnh h\u00e0n xuy\u00ean l\u1ed7 hi\u1ec7u qu\u1ea3. V\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n th\u00edch h\u1ee3p gi\u00fap n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n v\u00e0 \u0111\u1ed9 tin c\u1eady t\u1ed5ng th\u1ec3 c\u1ee7a PCB. \u0110\u1ea3m b\u1ea3o v\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n s\u1ea1ch s\u1ebd v\u00e0 \u0111\u01b0\u1ee3c c\u0103n ch\u1ec9nh ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 h\u00e0n tuy\u1ec7t v\u1eddi. B\u1eb1ng c\u00e1ch l\u00e0m theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t n\u00e0y, nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed1i h\u00e0n xuy\u00ean l\u1ed7 ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 hi\u1ec7u su\u1ea5t PCB \u0111\u00e1ng tin c\u1eady.<\/p><h2>H\u00e0n b\u1ea5c \u0111\u1ec3 kh\u1eed m\u1ed1i h\u00e0n hi\u1ec7u qu\u1ea3<\/h2><div class=\"body-image-wrapper\" style=\"margin-bottom:20px\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/efficient_desoldering_with_wicking.jpg\" alt=\"kh\u1eed m\u1ed1i h\u00e0n hi\u1ec7u qu\u1ea3 b\u1eb1ng c\u00e1ch th\u1ea5m h\u00fat\" style=\"aspect-ratio: 16\/9\"><\/div><p>Vi\u1ec7c s\u1eed d\u1ee5ng h\u1ee3p l\u00fd <strong>h\u00e0n th\u1ea5m<\/strong>, m\u1ed9t k\u1ef9 thu\u1eadt th\u00fac \u0111\u1ea9y <strong>h\u00e0nh \u0111\u1ed9ng mao d\u1eabn<\/strong> \u0111\u1ec3 lo\u1ea1i b\u1ecf ch\u1ea5t h\u00e0n d\u01b0 th\u1eeba, c\u00f3 th\u1ec3 h\u1ee3p l\u00fd h\u00f3a \u0111\u00e1ng k\u1ec3 qu\u00e1 tr\u00ecnh kh\u1eed m\u1ed1i h\u00e0n v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho <strong>lo\u1ea1i b\u1ecf hi\u1ec7u qu\u1ea3<\/strong> ho\u1eb7c thay th\u1ebf <strong>th\u00e0nh ph\u1ea7n xuy\u00ean l\u1ed7<\/strong>.<\/p><p>H\u00e0n b\u1ea5c, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <strong>b\u00edm t\u00f3c<\/strong>, l\u00e0 m\u1ed9t d\u00e2y b\u1ec7n b\u1eb1ng \u0111\u1ed3ng \u0111\u01b0\u1ee3c ph\u1ee7 ch\u1ea5t tr\u1ee3 dung d\u00f9ng \u0111\u1ec3 lo\u1ea1i b\u1ecf ch\u1ea5t h\u00e0n d\u01b0 th\u1eeba. B\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u1ed1i h\u00e0n, nung n\u00f3ng b\u1eb1ng m\u1ecf h\u00e0n \u0111\u1ec3 l\u00e0m n\u00f3ng ch\u1ea3y ch\u1ea5t h\u00e0n, sau \u0111\u00f3 h\u1ea5p th\u1ee5 ch\u1ea5t h\u00e0n n\u00f3ng ch\u1ea3y. Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 l\u00e0m s\u1ea1ch ch\u1ea5t h\u00e0n d\u01b0 th\u1eeba t\u1eeb c\u00e1c b\u1ed9 ph\u1eadn xuy\u00ean l\u1ed7 v\u00e0 <strong>PCB<\/strong>, cho ph\u00e9p lo\u1ea1i b\u1ecf ho\u1eb7c thay th\u1ebf th\u00e0nh ph\u1ea7n.<\/p><p>M\u1ed9t s\u1ed1 l\u1ee3i \u00edch ch\u00ednh c\u1ee7a vi\u1ec7c h\u00e0n b\u1ea5c bao g\u1ed3m:<\/p><ul><li>Lo\u1ea1i b\u1ecf hi\u1ec7u qu\u1ea3 ch\u1ea5t h\u00e0n d\u01b0 th\u1eeba<\/li><li>Cho ph\u00e9p lo\u1ea1i b\u1ecf ho\u1eb7c thay th\u1ebf th\u00e0nh ph\u1ea7n hi\u1ec7u qu\u1ea3<\/li><li>Hi\u1ec7u qu\u1ea3 \u0111\u1ec3 l\u00e0m s\u1ea1ch PCB v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn xuy\u00ean l\u1ed7<\/li><li>Qu\u00e1 tr\u00ecnh th\u00e1o g\u1ee1 m\u1ed1i h\u00e0n nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3 v\u1edbi k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng<\/li><\/ul><h2>L\u00e0m n\u00f3ng tr\u01b0\u1edbc cho d\u00f2ng h\u00e0n t\u1ed1i \u01b0u<\/h2><div class=\"body-image-wrapper\" style=\"margin-bottom:20px\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/soldering_with_preheat_temperature.jpg\" alt=\"h\u00e0n v\u1edbi nhi\u1ec7t \u0111\u1ed9 l\u00e0m n\u00f3ng tr\u01b0\u1edbc\" style=\"aspect-ratio: 16\/9\"><\/div><p>Qua <strong>l\u00e0m n\u00f3ng tr\u01b0\u1edbc PCB<\/strong> \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 100-150\u00b0C, <strong>s\u1ed1c nhi\u1ec7t linh ki\u1ec7n<\/strong> \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u v\u00e0 <strong>d\u00f2ng h\u00e0n l\u00fd t\u01b0\u1edfng<\/strong> \u0111\u01b0\u1ee3c t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i. B\u01b0\u1edbc thi\u1ebft y\u1ebfu n\u00e0y trong qu\u00e1 tr\u00ecnh h\u00e0n c\u00e1c b\u1ed9 ph\u1eadn xuy\u00ean l\u1ed7 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c b\u1ed9 ph\u1eadn nh\u1ea1y c\u1ea3m \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi h\u01b0 h\u1ecfng.<\/p><p>L\u00e0m n\u00f3ng tr\u01b0\u1edbc PCB gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c <strong>k\u1ebft qu\u1ea3 h\u00e0n ph\u00f9 h\u1ee3p<\/strong>, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi PCB l\u1edbn ho\u1eb7c nhi\u1ec1u l\u1edbp, b\u1eb1ng c\u00e1ch gi\u1ea3m thi\u1ec3u <strong>gradient nhi\u1ec7t \u0111\u1ed9 tr\u00ean b\u1ea3ng<\/strong>. S\u1ef1 gia nhi\u1ec7t \u0111\u1ed3ng \u0111\u1ec1u n\u00e0y trong qu\u00e1 tr\u00ecnh h\u00e0n gi\u00fap gi\u1ea3m nguy c\u01a1 kh\u1edbp l\u1ea1nh v\u00e0 \u1ee9ng su\u1ea5t nhi\u1ec7t tr\u00ean b\u1ea3ng m\u1ea1ch.<\/p><p>B\u1eb1ng c\u00e1ch l\u00e0m n\u00f3ng tr\u01b0\u1edbc, c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c \u0111\u01b0a \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh, cho ph\u00e9p d\u00f2ng h\u00e0n ch\u1ea3y hi\u1ec7u qu\u1ea3 v\u00e0 gi\u1ea3m kh\u1ea3 n\u0103ng b\u1ecb l\u1ed7i. K\u1ef9 thu\u1eadt n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c PCB ph\u1ee9c t\u1ea1p, n\u01a1i s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 g\u00e2y ra h\u1eadu qu\u1ea3 \u0111\u00e1ng k\u1ec3.<\/p><h2>C\u00e1c k\u1ef9 thu\u1eadt th\u00e1o g\u1ee1 thay th\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u00e1m ph\u00e1<\/h2><div class=\"body-image-wrapper\" style=\"margin-bottom:20px\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/exploring_desoldering_methods_further.jpg\" alt=\"kh\u00e1m ph\u00e1 th\u00eam c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u1eed m\u1ed1i h\u00e0n\" style=\"aspect-ratio: 16\/9\"><\/div><p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt th\u00e1o h\u00e0n thay th\u1ebf, vi\u1ec7c l\u1ef1a ch\u1ecdn <strong>c\u00f4ng c\u1ee5 th\u00e1o d\u1ee1<\/strong> V\u00e0 <strong>k\u1ef9 thu\u1eadt s\u00fang nhi\u1ec7t<\/strong> \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c vi\u1ec7c lo\u1ea1i b\u1ecf th\u00e0nh ph\u1ea7n hi\u1ec7u qu\u1ea3.<\/p><p>Ph\u1ea7n n\u00e0y s\u1ebd xem x\u00e9t c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh kh\u1eed m\u1ed1i h\u00e0n, bao g\u1ed3m c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng nh\u01b0 Hakko FR-301 v\u00e0 s\u00fang h\u01a1i n\u00f3ng, cho ph\u00e9p lo\u1ea1i b\u1ecf hi\u1ec7u qu\u1ea3 ch\u1ea5t h\u00e0n d\u01b0 th\u1eeba.<\/p><h3>C\u00f4ng c\u1ee5 th\u00e1o g\u1ee1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/h3><p>C\u00e1c c\u00f4ng c\u1ee5 th\u00e1o g\u1ee1 m\u1ed1i h\u00e0n, d\u00f9 l\u00e0 truy\u1ec1n th\u1ed1ng hay thay th\u1ebf, \u0111\u1ec1u \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c lo\u1ea1i b\u1ecf ch\u1ea5t h\u00e0n kh\u1ecfi c\u00e1c v\u1ebft h\u00e0n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. <strong>d\u00e2y d\u1eabn th\u00e0nh ph\u1ea7n xuy\u00ean l\u1ed7<\/strong>. Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00f4ng c\u1ee5 kh\u1eed m\u1ed1i h\u00e0n ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh l\u00e0m l\u1ea1i th\u00e0nh ph\u1ea7n xuy\u00ean l\u1ed7.<\/p><ul><li>S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng nh\u01b0 <strong>D\u1ee5ng c\u1ee5 th\u00e1o h\u00e0n Hakko FR-301<\/strong> \u0111\u1ec3 th\u00e1o g\u1ee1 hi\u1ec7u qu\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn xuy\u00ean l\u1ed7.<\/li><li>C\u00e2n nh\u1eafc s\u1eed d\u1ee5ng \u0111\u1ea7u h\u00e0n d\u1ea1ng l\u01b0\u1ee1i dao ho\u1eb7c \u1ea5n \u0111\u1ea7u s\u1eaft tr\u00f2n v\u00e0o <strong>Kim h\u00e0n<\/strong> \u0111\u1ec3 kh\u1eed m\u00f9i an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/li><li>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf nh\u01b0 s\u1eed d\u1ee5ng <strong>m\u00e1y khoan c\u1ea7m tay nh\u1ecf<\/strong> c\u00f3 th\u1ec3 gi\u00fap lo\u1ea1i b\u1ecf nhanh ch\u00f3ng v\u00e0 s\u1ea1ch ch\u1ea5t h\u00e0n kh\u1ecfi c\u00e1c d\u00e2y d\u1eabn th\u00e0nh ph\u1ea7n xuy\u00ean l\u1ed7.<\/li><li>C\u00e1c <strong>k\u1ef9 thu\u1eadt th\u1ed5i<\/strong>, li\u00ean quan \u0111\u1ebfn vi\u1ec7c th\u1ed5i qua \u1ed1ng h\u00fat soda sau khi truy\u1ec1n nhi\u1ec7t v\u00e0 h\u00e0n, c\u0169ng c\u00f3 th\u1ec3 l\u00e0m s\u1ea1ch ch\u1ea5t h\u00e0n kh\u1ecfi c\u00e1c l\u1ed7 PCB m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/li><\/ul><p>TRONG <strong>c\u00f4ng ngh\u1ec7 xuy\u00ean l\u1ed7<\/strong>&#044; <strong>c\u00f4ng c\u1ee5 th\u00e1o d\u1ee1<\/strong> r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 lo\u1ea1i b\u1ecf ch\u1ea5t h\u00e0n d\u01b0 th\u1eeba kh\u1ecfi c\u00e1c b\u1ed9 ph\u1eadn xuy\u00ean l\u1ed7 trong qu\u00e1 tr\u00ecnh h\u00e0n l\u1ed7 v\u00e0 h\u00e0n tay. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 k\u1ef9 thu\u1eadt th\u00e1o h\u00e0n ph\u00f9 h\u1ee3p, c\u00e1c chuy\u00ean gia c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c l\u00e0m l\u1ea1i th\u00e0nh ph\u1ea7n xuy\u00ean l\u1ed7 hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p><h3>K\u1ef9 thu\u1eadt s\u00fang nhi\u1ec7t<\/h3><p>M\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf hi\u1ec7u qu\u1ea3 cho c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u00e1o d\u1ee1 truy\u1ec1n th\u1ed1ng l\u00e0 \u1ee9ng d\u1ee5ng chi\u1ebfn l\u01b0\u1ee3c c\u1ee7a <strong>k\u1ef9 thu\u1eadt s\u00fang nhi\u1ec7t<\/strong>, c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf hi\u1ec7u qu\u1ea3 ch\u1ea5t h\u00e0n d\u01b0 th\u1eeba kh\u1ecfi <strong>th\u00e0nh ph\u1ea7n xuy\u00ean l\u1ed7<\/strong>. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y cung c\u1ea5p m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 l\u00e0m s\u1ea1ch l\u1ed7 m\u00e0 kh\u00f4ng c\u1ea7n d\u1ef1a v\u00e0o <strong>b\u00edm t\u00f3c<\/strong> ho\u1eb7c <strong>m\u00fat h\u00e0n<\/strong>.<\/p><p>Ph\u01b0\u01a1ng ph\u00e1p s\u00fang nhi\u1ec7t bao g\u1ed3m vi\u1ec7c \u00e1p d\u1ee5ng <strong>ki\u1ec3m so\u00e1t nhi\u1ec7t<\/strong> v\u00e0o m\u1ed1i h\u00e0n, l\u00e0m cho ch\u1ea5t h\u00e0n tan ch\u1ea3y v\u00e0 d\u1ec5 d\u00e0ng lo\u1ea1i b\u1ecf. K\u1ef9 thu\u1eadt n\u00e0y \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn xuy\u00ean l\u1ed7 c\u00f3 m\u1ed1i h\u00e0n c\u1ee9ng \u0111\u1ea7u ho\u1eb7c qu\u00e1 m\u1ee9c. B\u1eb1ng c\u00e1ch h\u01b0\u1edbng lu\u1ed3ng kh\u00f4ng kh\u00ed c\u1ee7a s\u00fang nhi\u1ec7t v\u00e0o m\u1ed1i h\u00e0n, ch\u1ea5t h\u00e0n s\u1ebd h\u00f3a l\u1ecfng v\u00e0 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng b\u1ecb th\u1ed5i bay ho\u1eb7c lo\u1ea1i b\u1ecf \u0111\u1ec3 lo\u1ea1i b\u1ecf m\u1ed1i h\u00e0n s\u1ea1ch s\u1ebd.<\/p><p>\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c <strong>k\u1ebft qu\u1ea3 t\u1ed1i \u01b0u<\/strong>, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i luy\u1ec7n t\u1eadp v\u00e0 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 s\u00fang nhi\u1ec7t. M\u1ed8T <strong>nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t t\u1ed1t<\/strong> \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u1ea5t h\u00e0n tan ch\u1ea3y hi\u1ec7u qu\u1ea3, gi\u00fap th\u00e1o ra d\u1ec5 d\u00e0ng h\u01a1n. B\u1eb1ng c\u00e1ch n\u1eafm v\u1eefng c\u00e1c k\u1ef9 thu\u1eadt s\u00fang nhi\u1ec7t, nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea \u0111i\u1ec7n t\u1eed v\u00e0 c\u00e1c chuy\u00ean gia c\u00f3 th\u1ec3 h\u1ee3p l\u00fd h\u00f3a quy tr\u00ecnh th\u00e1o h\u00e0n c\u1ee7a h\u1ecd, ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u1ea3i thi\u1ec7n k\u1ef9 thu\u1eadt h\u00e0n th\u00e0nh ph\u1ea7n xuy\u00ean l\u1ed7 t\u1ed5ng th\u1ec3.<\/p><h2 class=\"linkboss-h wp-block-heading\">Nh\u1eefng k\u1ef9 thu\u1eadt h\u00e0n n\u00e0o \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho m\u00e1y \u0111\u1eb7t linh ki\u1ec7n SMT?<\/h2><p class=\"linkboss-p\">Khi n\u00f3i \u0111\u1ebfn m\u00e1y \u0111\u1ecbnh v\u1ecb linh ki\u1ec7n SMT, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i s\u1eed d\u1ee5ng <a href=\"https:\/\/tryvary.com\/vi\/nha-san-xuat-may-dinh-vi-linh-kien-pcb-smt\/\" target=\"none\" rel=\"noopener\">nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y \u0111\u1ecbnh v\u1ecb linh ki\u1ec7n smt h\u00e0ng \u0111\u1ea7u<\/a> cho k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t. H\u00e0n ch\u1ecdn l\u1ecdc v\u00e0 h\u00e0n n\u00f3ng ch\u1ea3y l\u1ea1i l\u00e0 c\u00e1c k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb \u0111\u1ec3 \u0111\u1eb7t c\u00e1c b\u1ed9 ph\u1eadn tr\u00ean PCB m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3. Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ea3m b\u1ea3o m\u1ed1i h\u00e0n ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 k\u1ebft n\u1ed1i \u0111i\u1ec7n \u0111\u00e1ng tin c\u1eady.<\/p><h2>Gi\u1ea3m thi\u1ec3u l\u1ed7i v\u00e0 c\u1ea7u h\u00e0n<\/h2><div class=\"body-image-wrapper\" style=\"margin-bottom:20px\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/improving_soldering_process_efficiency.jpg\" alt=\"n\u00e2ng cao hi\u1ec7u qu\u1ea3 qu\u00e1 tr\u00ecnh h\u00e0n\" style=\"aspect-ratio: 16\/9\"><\/div><p>Khi n\u00f3i \u0111\u1ebfn vi\u1ec7c gi\u1ea3m thi\u1ec3u <strong>c\u1ea7u h\u00e0n<\/strong> V\u00e0 <strong>l\u1ed7i<\/strong>, s\u1ef1 ch\u00fa \u00fd \u0111\u1ebfn t\u1eebng chi ti\u1ebft l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft. B\u1eb1ng vi\u1ec7c \u00e1p d\u1ee5ng k\u1ebft h\u1ee3p c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba v\u00e0 <strong>ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng<\/strong>, khuy\u1ebft t\u1eadt h\u00e0n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m \u0111\u00e1ng k\u1ec3.<\/p><p>Trong ph\u1ea7n sau, ch\u00fang ta s\u1ebd th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ch\u00ednh \u0111\u1ec3 ng\u0103n ch\u1eb7n ch\u1ea5t h\u00e0n ch\u1ea3y tr\u00e0n v\u00e0 ki\u1ec3m tra l\u1ed7i, \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh h\u00e0n linh ki\u1ec7n xuy\u00ean l\u1ed7 \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3.<\/p><h3>Ng\u0103n ch\u1eb7n d\u00f2ng ch\u1ea3y h\u00e0n<\/h3><p>Ki\u1ec3m so\u00e1t th\u00edch h\u1ee3p qu\u00e1 tr\u00ecnh h\u00e0n l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 ng\u0103n ng\u1eeba <strong>d\u00f2ng ch\u1ea3y h\u00e0n<\/strong>, m\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn <strong>c\u1ea7u h\u00e0n<\/strong> v\u00e0 nh\u1eefng sai s\u00f3t trong <strong>h\u00e0n th\u00e0nh ph\u1ea7n xuy\u00ean l\u1ed7<\/strong>. B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng m\u1ed9t s\u1ed1 <strong>th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/strong>, b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u nguy c\u01a1 ch\u1ea3y tr\u00e0n ch\u1ea5t h\u00e0n v\u00e0 \u0111\u1ea3m b\u1ea3o <strong>k\u1ebft n\u1ed1i \u0111\u00e1ng tin c\u1eady<\/strong> gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n xuy\u00ean l\u1ed7.<\/p><p>\u0110\u1ec3 ng\u0103n ch\u1eb7n d\u00f2ng ch\u1ea3y h\u00e0n, h\u00e3y l\u00e0m theo c\u00e1c h\u01b0\u1edbng d\u1eabn sau:<\/p><ul><li>S\u1eed d\u1ee5ng l\u01b0\u1ee3ng h\u00e0n c\u00f3 ki\u1ec3m so\u00e1t \u0111\u1ec3 tr\u00e1nh l\u01b0\u1ee3ng h\u00e0n d\u01b0 th\u1eeba c\u00f3 th\u1ec3 ch\u1ea3y sang c\u00e1c b\u1ed9 ph\u1eadn l\u00e2n c\u1eadn.<\/li><li>X\u00e1c nh\u1eadn b\u1ec1 m\u1eb7t kim lo\u1ea1i s\u1ea1ch tr\u01b0\u1edbc khi h\u00e0n \u0111\u1ec3 th\u00fac \u0111\u1ea9y d\u00f2ng h\u00e0n th\u00edch h\u1ee3p v\u00e0 ng\u0103n ng\u1eeba l\u1ed7i.<\/li><li>Duy tr\u00ec th\u1eddi gian l\u00e0m m\u00e1t th\u00edch h\u1ee3p \u0111\u1ec3 ng\u0103n ch\u1ea5t h\u00e0n ch\u1ea3y qu\u00e1 m\u1ee9c.<\/li><li>S\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt h\u00e0n th\u00edch h\u1ee3p, s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 v\u1eadt li\u1ec7u h\u00e0n ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c m\u1ed1i n\u1ed1i ch\u1eafc ch\u1eafn, \u0111\u00e1ng tin c\u1eady.<\/li><\/ul><h3>Ki\u1ec3m tra l\u1ed7i<\/h3><p>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3 trong qu\u00e1 tr\u00ecnh h\u00e0n xuy\u00ean l\u1ed7 ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c ki\u1ec3m tra t\u1ec9 m\u1ec9 c\u00e1c l\u1ed7i, v\u00ec c\u00e1c c\u1ea7u h\u00e0n kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0 c\u00e1c m\u1ed1i n\u1ed1i y\u1ebfu c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn tr\u1ee5c tr\u1eb7c v\u00e0 h\u1ecfng m\u1ea1ch. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ki\u1ec3m tra c\u00e1c m\u1ed1i h\u00e0n \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i ti\u1ec1m \u1ea9n nh\u01b0 c\u1ea7u h\u00e0n c\u00f3 th\u1ec3 g\u00e2y \u0111o\u1ea3n m\u1ea1ch gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn. S\u1eed d\u1ee5ng k\u00ednh l\u00fap ho\u1eb7c c\u00f4ng c\u1ee5 ki\u1ec3m tra, x\u00e1c \u0111\u1ecbnh m\u1ecdi l\u1ed7i h\u00e0n v\u00e0 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i th\u00edch h\u1ee3p gi\u1eefa d\u00e2y d\u1eabn v\u00e0 mi\u1ebfng PCB.<\/p><table><thead><tr><th style=\"text-align: center\"><strong>Lo\u1ea1i l\u1ed7i<\/strong><\/th><th style=\"text-align: center\"><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/th><\/tr><\/thead><tbody><tr><td style=\"text-align: center\">C\u1ea7u h\u00e0n<\/td><td style=\"text-align: center\">\u0110o\u1ea3n m\u1ea1ch gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n<\/td><\/tr><tr><td style=\"text-align: center\">K\u1ebft n\u1ed1i y\u1ebfu<\/td><td style=\"text-align: center\">M\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 ho\u1eb7c ngu\u1ed9i<\/td><\/tr><tr><td style=\"text-align: center\">H\u00e0n kh\u00f4ng \u0111\u1ee7<\/td><td style=\"text-align: center\">M\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y l\u1ed7<\/td><\/tr><tr><td style=\"text-align: center\">H\u00e0n th\u1eeba<\/td><td style=\"text-align: center\">M\u1ed1i h\u00e0n lan r\u1ed9ng gi\u1eefa c\u00e1c mi\u1ebfng li\u1ec1n k\u1ec1<\/td><\/tr><tr><td style=\"text-align: center\">S\u1ef1 h\u00ecnh th\u00e0nh phi l\u00ea k\u00e9m<\/td><td style=\"text-align: center\">Kh\u1edbp n\u1ed1i y\u1ebfu d\u1eabn \u0111\u1ebfn h\u1ecfng m\u1ea1ch<\/td><\/tr><\/tbody><\/table><p>Vi\u1ec7c ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean c\u00e1c l\u1ed7i trong qu\u00e1 tr\u00ecnh h\u00e0n xuy\u00ean l\u1ed7 c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba c\u00e1c s\u1ef1 c\u1ed1 ph\u1ed5 bi\u1ebfn nh\u01b0 \u0111o\u1ea3n m\u1ea1ch, kh\u1edbp n\u1ed1i y\u1ebfu v\u00e0 tr\u1ee5c tr\u1eb7c v\u1ec1 m\u1ea1ch \u0111i\u1ec7n. B\u1eb1ng c\u00e1ch gi\u1ea3m thi\u1ec3u c\u1ea7u h\u00e0n v\u00e0 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i th\u00edch h\u1ee3p, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t m\u1ea1ch \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3. H\u00e3y nh\u1edb r\u1eb1ng, ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 s\u1eeda l\u1ed7i, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady cho c\u00f4ng vi\u1ec7c h\u00e0n xuy\u00ean l\u1ed7 c\u1ee7a b\u1ea1n.<\/p><h2>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2><h3>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 h\u00e0n th\u00e0nh ph\u1ea7n xuy\u00ean l\u1ed7?<\/h3><p>B\u1ea1n c\u00f3 bi\u1ebft r\u1eb1ng 75% l\u1ed7i \u0111i\u1ec7n t\u1eed l\u00e0 do <strong>k\u1ef9 thu\u1eadt h\u00e0n k\u00e9m<\/strong>&#063;<\/p><p>\u0110\u1ec3 h\u00e0n c\u00e1c b\u1ed9 ph\u1eadn xuy\u00ean l\u1ed7 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, h\u00e3y c\u1eafm d\u00e2y d\u1eabn qua l\u1ed7 PCB, \u0111\u1ea3m b\u1ea3o v\u1eeba kh\u00edt. Ch\u01b0\u1eddm n\u00f3ng l\u00ean kh\u1edbp b\u1eb1ng <strong>h\u00e0n s\u1eaft<\/strong>, ti\u1ebfp theo l\u00e0 h\u00e0n \u1ee9ng d\u1ee5ng, cho ph\u00e9p n\u00f3 ch\u1ea3y v\u00e0 t\u1ea1o th\u00e0nh m\u1ed9t <strong>k\u1ebft n\u1ed1i v\u1eefng ch\u1eafc<\/strong>. Gi\u1eef v\u1eadt h\u00e0n t\u1ea1i ch\u1ed7 cho \u0111\u1ebfn khi ngu\u1ed9i, t\u1ea1o th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng bo tr\u00f2n \u0111\u00e1ng tin c\u1eady xung quanh d\u00e2y d\u1eabn.<\/p><h3>M\u1eb9o h\u00e0n t\u1ed1t nh\u1ea5t \u0111\u1ec3 h\u00e0n xuy\u00ean l\u1ed7 l\u00e0 g\u00ec?<\/h3><p>Khi ch\u1ecdn \u0111\u1ea7u h\u00e0n cho <strong>h\u00e0n xuy\u00ean l\u1ed7<\/strong>, M\u1ed9t <strong>m\u0169i khoan<\/strong> l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t C\u1ea1nh ph\u1eb3ng c\u1ee7a n\u00f3 cung c\u1ea5p di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn h\u01a1n \u0111\u1ec3 s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 <strong>truy\u1ec1n nhi\u1ec7t<\/strong> \u0111\u1ebfn c\u00e1c d\u00e2y d\u1eabn th\u00e0nh ph\u1ea7n v\u00e0 mi\u1ebfng \u0111\u1ec7m PCB. Thi\u1ebft k\u1ebf n\u00e0y cho ph\u00e9p h\u00e0n ch\u00ednh x\u00e1c tr\u00ean c\u00e1c b\u1ed9 ph\u1eadn nh\u1ecf v\u00e0 truy\u1ec1n nhi\u1ec7t hi\u1ec7u qu\u1ea3 tr\u00ean c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 l\u1ed7 l\u1edbn h\u01a1n, mang l\u1ea1i k\u1ebft qu\u1ea3 h\u00e0n \u1ed5n \u0111\u1ecbnh.<\/p><p>Kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 t\u00ednh linh ho\u1ea1t c\u1ee7a \u0111\u1ea7u \u0111\u1ee5c khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0n xuy\u00ean l\u1ed7.<\/p><h3>C\u00e1c y\u00eau c\u1ea7u chung \u0111\u1ed1i v\u1edbi h\u00e0n xuy\u00ean l\u1ed7 l\u00e0 g\u00ec?<\/h3><p>\u0110\u1ec3 th\u00e0nh c\u00f4ng <strong>h\u00e0n xuy\u00ean l\u1ed7<\/strong>, m\u1ed9t s\u1ed1 y\u00eau c\u1ea7u ch\u00ednh ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng.<\/p><p>\u0110\u1ea7u ti\u00ean, b\u1ea3ng m\u1ea1ch in (PCB) ph\u1ea3i \u0111\u01b0\u1ee3c khoan \u0111\u00fang c\u00e1ch v\u00e0 <strong>l\u1ed7 m\u1ea1<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i \u0111i\u1ec7n \u0111\u00e1ng tin c\u1eady. Ph\u1ea3i l\u1ef1a ch\u1ecdn c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 d\u00e2y d\u1eabn c\u00f3 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p. M\u1ed9t s\u1ef1 ph\u00f9 h\u1ee3p <strong>h\u1ee3p kim h\u00e0n<\/strong> v\u1edbi \u0111i\u1ec3m n\u00f3ng ch\u1ea3y v\u00e0 d\u00f2ng ch\u1ea3y th\u00edch h\u1ee3p ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ecdn.<\/p><p>Ngo\u00e0i ra, m\u1ed9t m\u00f4i tr\u01b0\u1eddng s\u1ea1ch s\u1ebd v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 <strong>m\u00f4i tr\u01b0\u1eddng h\u00e0n<\/strong> l\u00e0 quan tr\u1ecdng. Cu\u1ed1i c\u00f9ng, ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u1ea3i c\u00f3 \u0111\u1ee7 k\u1ef9 n\u0103ng h\u00e0n v\u00e0 tu\u00e2n theo c\u00e1c k\u1ef9 thu\u1eadt \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c m\u1ed1i n\u1ed1i ch\u1eafc ch\u1eafn, \u0111\u00e1ng tin c\u1eady.<\/p><h3>T\u00ean c\u1ee7a h\u00e0n xuy\u00ean l\u1ed7 l\u00e0 g\u00ec?<\/h3><p>C\u00e2u h\u1ecfi mu\u00f4n thu\u1edf \u0111\u00e3 l\u00e0m \u0111au \u0111\u1ea7u c\u00e1c k\u1ef9 s\u01b0 trong nhi\u1ec1u th\u1eadp k\u1ef7: t\u00ean c\u1ee7a k\u1ef9 thu\u1eadt \u0111\u00e1ng k\u00ednh n\u00e0y l\u00e0 g\u00ec? Cho ph\u00e9p t\u00f4i gi\u1ea3i th\u00edch cho b\u1ea1n \u2013 \u0111\u00f3 kh\u00f4ng g\u00ec kh\u00e1c ch\u00ednh l\u00e0 H\u00e0n xuy\u00ean l\u1ed7 (THS).<\/p><p>Ph\u01b0\u01a1ng ph\u00e1p ki\u00ean quy\u1ebft n\u00e0y \u0111\u00e3 l\u00e0 x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a <strong>l\u1eafp r\u00e1p \u0111i\u1ec7n t\u1eed<\/strong> t\u1eeb nh\u1eefng n\u0103m 1950, mang l\u1ea1i \u0111\u1ed9 tin c\u1eady v\u1eefng ch\u1eafc trong m\u00f4i tr\u01b0\u1eddng c\u00f3 \u00e1p l\u1ef1c cao. B\u1eb1ng c\u00e1ch ch\u00e8n c\u00e1c th\u00e0nh ph\u1ea7n d\u1eabn v\u00e0o <strong>l\u1ed7 m\u1ea1<\/strong>, THS \u0111\u1ea3m b\u1ea3o <strong>\u0111i\u1ec7n m\u1ea1nh m\u1ebd<\/strong> v\u00e0 c\u00e1c k\u1ebft n\u1ed1i c\u01a1 h\u1ecdc, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu trong th\u1ebf gi\u1edbi \u0111i\u1ec7n t\u1eed.<\/p>","protected":false},"excerpt":{"rendered":"<p>N\u1eafm v\u1eefng ngh\u1ec7 thu\u1eadt h\u00e0n linh ki\u1ec7n xuy\u00ean l\u1ed7 b\u1eb1ng c\u00e1ch kh\u00e1m ph\u00e1 7 k\u1ef9 thu\u1eadt thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed1i h\u00e0n \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>","protected":false},"author":9,"featured_media":1687,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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Lau","author_link":"https:\/\/tryvary.com\/vi\/author\/wsbpmbzuog4q\/"},"uagb_comment_info":0,"uagb_excerpt":"Master the art of through-hole component soldering by discovering the 7 essential techniques to achieve reliable and efficient solder joints.","_links":{"self":[{"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/posts\/1688","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/comments?post=1688"}],"version-history":[{"count":2,"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/posts\/1688\/revisions"}],"predecessor-version":[{"id":2449,"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/posts\/1688\/revisions\/2449"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/media\/1687"}],"wp:attachment":[{"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/media?parent=1688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/categories?post=1688"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/tags?post=1688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}