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How to choose the gate position and type for plastic injection mold?

Selection of Gate Types for Commonly Seen Plastic Products 1. Axially symmetric products, such as gears, blades and the like have a higher rotational speed during operation, so the surface should be smooth and flat without air bubbles, to ensure resistance to wear. Such products require that the functional surface (usually the sides) should not …

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How to calculate the cost of a plastic injection molding part

The most basic costs of a plastic injection molding part mainly include: Raw material cost, mold sharing cost, equipment depreciation & sharing cost, processing (water & electricity) cost, labor cost, site rental and other overhead costs; Now we are going to analyze the cost structure of a plastic part with a specific example: Assumptions: Product: …

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How to EDM Large Surfaces Through Diesinking

Gisbert Ledvon If you build a multi-cavity with a large surface area in each cavity, consistency in surface finish and surface integrity is a must. Otherwise, you will get surface finish differences on the molded parts and may have difficulties ejecting the parts from the cavity. However, large surfaces that are EDM’ed via diesinking often …

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