What causes insufficient solder paste when the printing press is in operation? How to solve it!

NowadaysSMTSolder paste printing during processing actually has a significant impact on the entire electronic processing production process. Many people encounter some problems but don't know how to deal with them. They try every possible way to study them, which wastes time. Sometimes, there is a shortage of solder paste during the processing. What causes this? Let's have the solder paste manufacturer explain:

1During the operation of the fully automatic solder paste printer, the operator failed to add solder paste in time.

2There is a problem with the quality of the solder paste,For example, there are foreign substances such as hard lumps mixed in.

3BeforeSMTThe unused solder paste during processing was not properly stored or was reused after expiration.

4,PCBAThere are quality problems with the board or contaminants on the solder pads, etc.

5,PCBADuring the processing of the board in the fully automatic printing machine, the fixing and clamping became loose.

6The thickness of the missed printing screen plate is uneven.

7There are contaminants on the missing screen board or circuit board.

8The scraper is damaged and the mesh plate is damaged.

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