Defect description: the molten metal does not fill the cavity, and there are incompletely filled parts on the surface of the casting

cause:
1. Poor flow of alloy liquid
2. Poor pouring system
3. Poor exhaust

Improve methods:
1. Improve the fluidity of the alloy
2. Increase the cross-sectional area of the gate or increase the injection speed
3. Increase the overflow groove or exhaust channel

Ningbo Hongxin Precision Machinery Co., Ltd. is a professional manufacturer of die casting, prototype, injection molded parts and CNC parts, welcome to contact us to discuss project development.