PCBA Tech - PCBA patch processing control

PCBA patch processing control
In PCBA patch processing, the solder paste, patch glue, and component loss should be managed by quotas as one of the key process control contents. PCBA processing and production directly affect the quality of the product, so it is necessary to control factors such as process parameters, processes, personnel, equipment, data, processing and testing, and workshop environment.

There should be a clear job responsibility system for key positions. PCB operators should be rigorously trained and checked, and work with certificates. PCB manufacturers should have a set of formal production management methods, such as the implementation of first article inspection, self-inspection, mutual inspection and inspector inspection criteria. Those who fail to pass the inspection of the previous process cannot be transferred to the next process.

1. Product batch management. The non-conforming product control procedures shall make clear rules for the isolation, identification, recording, evaluation and handling of non-conforming products. Generally, SMA should not be repaired more than three times, and components should not be repaired more than twice.

2, PCB production equipment protection and maintenance. The critical equipment should be inspected regularly by full-time protection personnel to keep the equipment in good condition, follow up and monitor the condition of the equipment, discover problems in time, take corrective and preventive measures, and protect and repair them in time.

3, production environment

1. Water and electricity supply.

2. The environmental requirements of PCBA production line-temperature, humidity, noise, cleanliness.

3. PCBA site (including component library) anti-static system.

4. The revenue and expenditure guidelines, equipment operating procedures, and process disciplines of the PCBA production line.

4. The production site shall be reasonably set up and the identification shall be correct; the warehouse information and work-in-progress shall be classified and stored, neatly stacked, and the ledger shall be consistent.

5. Civilized production. Including: clean, no debris; civilized operation, no savage and disorderly operation behavior. On-site management must have standards, inspections, inspections, and records, and carry out "6S" (packing, rectification, cleaning, cleaning, quality, and service) activities every day.
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