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Taizhou Union Plastic Mould Co.,Ltd

ADD:No.26, MaoFeng Street, Beicheng Development Area, Huangyan Dist., Taizhou, Zhejiang, China

Post Code: 312080

Contact:Ms vicky






What Should Be Paid Attention To In The Manufacture Of Plastic Molds?
Jul 03, 2018

First of all, we must look at the structural complexity of this mold. Generally speaking, it takes about one month to open a plastic mold. The time required for a complex mold is longer. Usually a plastic mold is opened, it is necessary to do a detailed review. After the approval, the mold can be opened. After a plastic mold is opened, it is necessary to test the mold. The following senior experts share with you the following items for plastic mold manufacturing?

1. Cooling in the mold (water passage) is related to factors such as product size, shape, plastic properties, and holding time.

2, the roughness level of the cavity of the mold should reach the "mirror level", otherwise the product is difficult to demould, and the product needs to be overpowered when the product is ejected. The roughness of the locating pin, the clamping surface and other parts are standard.

3, the plastic mold should have sufficient rigidity, otherwise it will be deformed when the mold is kept under pressure, causing the "flash" to choose a reasonable exhaust position and its amount of control. Otherwise, the plastic is not filled and the product is "lack of material".

4, the injection channel should be selected reasonably, so that the material can reach each place evenly (equal flow diameter), and there must be enough storage to ensure that the plastic is replenished during the shrinking process. Moreover, the shrinkage coefficient of each material is different, and the mold has a reasonable shrinkage rate.

5, mold and injection molding machine fixed way to be reasonable, to be reliable and firm, to prevent displacement when the mold is closed and cause accidents. It is also convenient to disassemble. Also, it is necessary to choose a reasonable demoulding method and choose a reasonable position and quantity of the ejector pin to ensure that the product is not damaged during the ejecting process.