Plastics mold shrinkage refers to the percentage of the difference between the size of the plastic part at the molding temperature and the size after it is taken out of the mold and cooled to room temperature. It is a characteristic of thermoplastics that they expand after heating and shrink after cooling, and of course […]
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Definition & representation of parting surface Generally speaking, all molds are composed of two parts, the core and the cavity, while the parting surface is where the two meet when the mold is closed, or the surface that splits the workpieces or mold components in the mold. it will cause a witness line on the
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As the plastic material cools and shrinks, a plastic product is tightly wrapped around the mold core. In order to facilitate product release, an appropriate draft angle should be designed on the product surface that’s parallel to the release direction. The so-called draft angle refers to the inclination angle that should be designed on the
Today many business owners have been forced to reevaluate established practices in an effort to cut costs. This means quality in every area, from processes to customer service, could be in danger of being compromised across the board. It is common knowledge among vendors across all industries that their overall quality of business directly affects
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