Analysis of the causes of dents in plastic mold processing

Plastic mold processing as a processing technology, after its production or completion, there will be some bad things. How to solve this situation? Below Jiuzhi Plastics Network Xiaobian to talk about two of the more common:
1. Dent. The reasons for the dents are:
1) The mold cooling is insufficient, and the cooling time is insufficient, which may cause serious deformation.
2) This situation can also occur due to insufficient internal pressure of the mold.
3) The thickness of each part of the product is different. In this case, the overall treatment method: reduce the temperature of the cylinder and the temperature of the mold, forcibly cool the place where the dent is generated, fill the flow edge with the dent, and control the difference in the thickness of the designed product.
2. Product whitening. The reasons for the whitening of the product are as follows:
1), too large to meet the pressure.
2), poor mold release. In this case, the overall treatment method: when designing the plastic mold, pay attention to the slope of the demoulding is sufficient. When making the mold, it is necessary to ensure that the cavity of the mold remains smooth, and the real-time treatment should immediately lower the injection pressure.
There are still many situations for the bad phenomenon in the processing of plastic molds. I hope that everyone will be cautious in the process of operation and strive to make the most perfect works.


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Structural drawing:

        stainless steel mesh


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Opening Type Wire Dia Weight Per Sq. Foot Percent of Open Area

 

 

 

 

 
2.00" x 2.00" Clear Opening Space Cloth .250" 1.79 79.00%
1.75" x 1.75" Clear Opening Space Cloth .192" 1.22 81.20%
1.50" x 1.50" Clear Opening Space Cloth .162" 1.02 81.50%
1.25" x 1.25" Clear Opening Space Cloth .120" 0.68 83.20%
1" x 1" Clear Opening Space Cloth .105" 0.5 83.90%
3/4" x 3/4" Clear Opening Space Cloth .092" 0.65 79.30%
1/2" x 1/2" Clear Opening Space Cloth .080" 0.71 74.30%
3/8" x 3/8" Clear Opening Space Cloth .080" 0.91 67.90%
1/4" x 1/4" Clear Opening Space Cloth .080" 1.28 57.40%

 

 

 

 

 
.395" 2 mesh .105" 1.442 62.40%
.420" 2 mesh .080" 0.83 70.60%
.437" 2 mesh .063" 0.512 76.40%
.453" 2 mesh .047" 0.284 82.10%
.253" 3 mesh .080" 1.264 57.60%
.270" 3 mesh .063" 0.776 61.30%
.286" 3 mesh .047" 0.428 73.60%
.170" 4 mesh .080" 1.721 46.20%
.187" 4 mesh .063" 1.048 56.00%
.203" 4 mesh .047" 0.576 65.90%

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