The customized Automotive injection mould factory introduces the reasons for the problems of the injection mould
Release time:
2021-11-05 10:40
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Do you know the cause of the problem with the injection mold? Follow the editor of the customized Automotive injection mould factory to have a brief look!
1. The ejection should be balanced, such as the number of ejector pins, the cross-sectional area should be sufficient, the demolding slope should be sufficient, and the cavity surface should be smooth enough, so as to prevent the residual stress concentration of the ejector from cracking due to external force.
2. The structure of the part should not be too thin, and the transition part should use arc transition as much as possible to avoid stress concentration caused by sharp corners and chamfers.
3. Minimize the use of metal inserts to prevent the internal stress from increasing due to the difference in shrinkage between the insert and the workpiece.
4. Appropriate demoulding air inlets should be provided for deep parts to prevent the formation of vacuum negative pressure.
5. The main channel is enough to allow the gate material to be released when it is cured in the future, so that it is easy to release.
6. The sprue bushing and nozzle joint should prevent the drag of the chilled material and make the parts stick to the fixed mold.
The above is what the editor of customized Automotive injection mould factory tells: a brief introduction to the relevant knowledge about injection moulds.
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