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8 Tips To Troubleshoot Injection Mold Failures
Original: | Author: Jasmine HL of DGMF | Publish Time: 2018-04-20 | 11462 Views | Share:
8 Tips to troubleshoot injection mold failures

6. Poor cooling or water leakage

The cooling effect of the mold directly affects the quality and production efficiency of the product, such as defects such as poor cooling, large shrinkage of the product, or uneven shrinkage and deformation of the warped surface. On the other hand, the mold is overheated in whole or in part, making the mold unable to be molded normally and stopping production. In severe cases, the movable parts such as the ejector pin are thermally expanded and stuck and damaged.

The design and processing of the cooling system are determined by the shape of the product. Do not omit this system because of the complex mold structure or difficult processing, especially the large and medium molds that must fully consider the cooling problem.

7. Guide groove length is too small

Some molds are limited by the area of the template and the length of the guide groove is too small. The slider is exposed outside the guide groove after the core pulling operation is completed. This makes it easy to cause the slider to tilt during the core pulling stage and the initial stage of mold clamping reset, especially in the mold clamping. When the slider is not reset smoothly, the slider is damaged or even damaged by bending. According to experience, after the slider completes the core pulling action, the length remaining in the slide groove should not be less than 2/3 of the total length of the guide groove.