1., Choose the right material:
The mold material should have enough hardness and wear resistance to withstand pressure and friction, and the plastic material should have good fluidity and plasticity to ensure that the mold cavity is fully filled.

2. Control service:
The temperature of the mold and the liquid plastic material is very important for the molding process, to ensure that the mold and the plastic material work within the appropriate temperature range to avoid the problem of overheating into overcooling, too high mixing may lead to plastic retention or shape checking, and too low temperature may lead to filling in the east or bubbles.

3. Control pressure and speed:
Controlling pressure and speed is key in the stamping process, too high a pressure may cause damage to the mold or excessive deformation of the plastic material, and too fast can lead to insufficient filling or bubbles. Make sure the pressure and speed are within the proper range to get the desired stamping result.

4. Regular maintenance and cleaning:
Regular maintenance and cleaning of the mold is the key to keep it functioning properly, clean the dirt and residue on the surface of the mold, ensure that the mold passage is clear and clear, regularly check the wear and damage of the mold, and repair or replace it in time.

5. Reasonable design of mold structure:
Reasonable design of the structure of the mold county can reduce the problems in the mold process, ensure that the design of the mold cavity is reasonable, avoid the appearance of thousands of complex or uneven shapes, in order to reduce the possibility of insufficient filling or bubbles.

The above are some basic methods to avoid the problem of plastic mold molding, and the specific situation needs to be adjusted and optimized according to the actual needs and specific molds.