Pressure Test Procedure of Vacuum Lender

2021-03-31 14:58

When the operating staff starts the vacuum laminating machine and the temperature reaches the set 260 degrees, press the "standby reset" button to push out the hot plate. Then press the "automatic pressing" button to mold, and the pressure test procedure of the vacuum laminating machine starts.

The operator shall observe whether the vacuum degree of the vacuum press meets the requirements (above 720mmHg) and whether the pressure of the press meets the design requirements (black refers to the manual needle or counterclockwise rotation of the pressure regulating valve in case of underpressure or overpressure). After the indicators of the vacuum laminating machine meet the set value, the "finished product counter" will be reset to zero. Put PCB circuit board products into the upper and lower hot plates of the press according to the stacking method of EI operation guidelines, and press the "automatic pressing" button to start the operation. The first board product of each shift or pressure test shall be sent to IPQC of the process for inspection (I. e. first inspection). If the first inspection is qualified, continuous batch production can be continued. Each pressure plate employee must carry out self-inspection (inspection items are: compression/delamination, glue overflow, deviation, etc.). If the first inspection is unqualified, it shall be reported to the team leader on duty or on behalf of the team leader.

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