Injection mold exhaust system to ensure the quality of the products forming plays an important role.
A, use of vent groove, vent groove is located in the cavity was full of parts, commonly exhaust trough depth vary with different plastic injection side shell, is basically not plastic produce flash to determine the allowed maximum clearance.
B, using the core insert putter fitting clearance door dedicated exhaust exhaust, mobile phone battery low pressure injection.
C, sometimes in order to prevent products vacuum deformation during ejection, will set gas pin.
D, sometimes in order to prevent products, design and simulation of empty adsorption device.
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