Causes of cracking in Auto Parts Micro Screws

2025,09,24

Cracks can occur if processing pressure is too high, speed is too fast, filler is excessive, injection and holding times are too long, and internal stress is excessive.

Adjust the opening speed and pressure to prevent mold release cracking caused by excessively deep drawing of the part. Injection pressure is too low or injection speed is too fast. Prevent cracking caused by weld cracking and plastic degradation.

Use mold release agents correctly and be careful to remove mist and other substances adhering to the surface of the Auto Parts Micro Screws. Annealing immediately after forming can eliminate residual stress in the part and reduce crack formation. No lubrication or lubrication may be ineffective.

Appropriately adjust the temperature of the auto parts Micro Screws to facilitate part demolding and adjust the material temperature appropriately to prevent decomposition.

During product production, various defects can easily occur due to uneven cooling and shrinkage of the plastic in the Auto Parts Micro Screws mold cavity and improper product structural design. Poor plasticization results in uneven melting of the melt.

High recycled material content leads to low part strength. Excessive humidity can cause some plastics to react chemically with water vapor, reducing strength and causing mold release cracking. Impurities in raw materials or recycled materials exceed the standard, the moisture content of raw materials is too high, the material itself is not suitable for the processing environment or the quality is poor, and contamination will cause cracks.

Author:

Mr. yjfastener

E-mail:

hou@citool.com

Phone/WhatsApp:

+8615826187211