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PCBA processing process
2021-10-13
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Author:Frank

PCBA processing process
At present, the country has higher and higher requirements for environmental protection and greater efforts in link governance. This is a challenge but also an opportunity for PCB factories. If PCB factories are determined to solve the problem of environmental pollution, then FPC flexible circuit board products can be at the forefront of the market, and PCB factories can get opportunities for further development.
1. PCBA processing single-sided surface assembly process: solder paste printing-patch-reflow soldering;
2. PCBA processing double-sided surface assembly process: A side printing solder paste-patch-reflow soldering-flipping-B side printing solder paste-patch-reflow soldering;
3. PCBA processing single-sided mixed assembly (SMD and THC are on the same side): solder paste printing-patch-reflow soldering-manual plug-in (THC)-wave soldering;
4. Single-sided mixed assembly (SMD and THC are respectively on both sides of the PCB): B-side printing red glue-patch-red glue curing-flap-A side plug-in-B side wave soldering;
5. Double-sided mixing device (THC is on side A, both sides A and B have SMD): A side printing solder paste-patch-reflow soldering-turning board-B side printing red glue-patch-red glue curing-turning Board—A side plug-in—B side wave soldering;

pcb

6. Double-sided mixed assembly (SMD and THC on both sides of A and B): Printed solder paste on side A-patch-reflow soldering-flip board-printed red glue on side B-patch-red glue curing-flip board-A Surface plug-in—B-side wave soldering—B-side plug-in is attached.
In the soldering process, the smallest variables should belong to the machinery and equipment, so they are the first to be checked. In order to achieve the correctness of the inspection, an independent electronic device can be used to assist, such as using a thermometer to detect various temperatures and using an electric meter to accurately calibrate machine parameters. .
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