1. When designing the compression mold, be sure to choose the structure of the compression mold according to the batch size of the product, that is, for small batches and simple shapes of product parts, a mobile simple compression mold structure should be used; for larger production batches or shapes For complex product parts, a fixed compression mold structure should be used.
2. The design of the compression mold structure should be simple in structure, small in size and light in weight in order to reduce labor intensity during use.
3. For compression molds that require inserts, be sure to make the inserts easy to operate and secure, and there must be enough plastic thickness around the inserts to secure the inserts. Generally, the thickness can be about 2-4mm. In order to make the inserts firm, when there are many inserts, an extruded mold structure is used.
4. In order to facilitate the easy ejection of the mold after the plastic part is pressed, the mold cavity should be provided with a mold exit slope. In general, the slope of the compression die is determined according to the slope of the plastic product. For plastic parts with dimensional accuracy requirements, the slope of the die is generally determined according to 1:50, 1: 100, and 1: 200.
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