Seven things to note in the PCBA processing process

PCBA is the abbreviation of Printed Circuit Board Assembly in English, which is the entire process of attaching electronic components to the PCB board through SMT patches and then passing through DIP plug-ins, referred to as PCBA.

PCBA refers to the production of PCB circuit boards, procurement of components, SMT patch processing, DIP plug-in processing, PCBA testing, and finished product assembly. There are many processes in PCBA processing, and the following matters need to be noted.

1. Preliminary preparation stage

1. PCBA project specification, technical parameters, and requirements;

2. Prepare the project leading group, responsible for process operation design, process implementation, project reporting and other work;

2. Design and development

The standard of this link is the circuit design capability that can meet the SMT production process.

3. Design and editing of SMT production process work instructions

1. Clarify the format of the work instructions, which is consistent with the pcba processing plant;

2. The content of the work instructions is clear (solder paste selection work instructions, steel mesh use work instructions, patch processing work instructions, reflow process control instructions, etc.);

4. Confirmation of steel mesh production capabilities

1. Steel mesh production process;

2. The patch processing plant exports the Gerber file suitable for steel mesh production from the PCB file to guide the process of steel mesh production;

5. Confirmation of the programming and operation capabilities of the patch machine

1. BOM list, Gerber file evaluation;

2. Patch machine programming, PCB size measurement, and panel processing;

6. PCBA assembly test

1. Tests after SMT patch processing and production are completed (aging, burning, signal, high and low temperature, ICT test, etc.);

2. Three-proof paint coating, etc. (What three-proof refers to, please refer to our previous analysis of this issue);

7. PCBA patch project improvement and evaluation

1. PCBA design mutual inspection;

2. Report;

3. Improvement suggestions.

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