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Exposición

Exposición

The causes and solutions for various quality problems of qua

2020-08-25

Dropping

 

Phenomenon: After polishing, there are holes on the surface of the plate, and the holes are caused by the solidification of the material.

 

Reason analysis:

1. There is dry powder in the material.

2. When the board is polished, it is turned over, and the back is used for the front. The back is made of pits formed by the material taken off when the paper is torn.

 

Solutions:

1. In the mixing process, the dry powder on the impeller should be blown off, and the dry powder on the door and the outlet should be blown off when discharging material.

 

2. Eliminate turning and polishing of sheets due to paper marks and miscellaneous colors; tear the sheets 180 degrees from the surface of the sheets after pressing, so as to make the sheets as free as possible.