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Injection molding machine -- a method to prevent small wrink

1、 Causes of small wrinkles in products
Insufficient pressure in mold
2、 Associated knowledge
The setting conditions of forming should be set in the direction of making the material flow better and the pressure in the mold increased
3、 Solutions
1 instant: increase the injection pressure, raise the temperature of the heating barrel, raise the mold temperature and increase the injection speed
2 short term: expansion gate, flow edge, air port
3 long term: use materials with good liquidity
4、 Due to material differences
It is very difficult to produce small wrinkles in materials with good fluidity
5、 References
In order to prevent swirl marks, the injection speed is slowed down, but if the injection speed is slow, small wrinkles will be generated