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8 Tips To Troubleshoot Injection Mold Failures
Original: | Author: Jasmine HL of DGMF | Publish Time: 2018-04-20 | 10956 Views | Share:
8 Tips to troubleshoot injection mold failures

8 Tips to troubleshoot injection mold failures -- dgmf mold clamps co., ltd

1. Guiding column damage

The guidepost mainly plays a guiding role in the mold to ensure that the molding surfaces of the core and the cavity do not touch each other under any circumstances, and the guidepost cannot be used as a force member or a positioning member.

In the following two cases, moving and fixing the mold during injection will generate a huge lateral offset force:

When the wall thickness of plastic parts is required to be uneven, the velocity of the material passing through the thick wall is large, and a large pressure is generated here;

The sides of plastic parts are asymmetric, such as a stepped parting surface mold, and the opposing pressures on the opposite sides are not equal.

2. Difficult to discharge gate

During the injection molding process, the gate is stuck in the gate sleeve and is not easy to come off. When the mold is opened, crack damage occurs. In addition, the operator must knock out the nozzle with the tip of a copper rod to loosen it before demoulding, which seriously affects production efficiency.