1.The shape and dimensional accuracy of the object moulded product, the flow direction of the resin, the communication of the injection pressure, and the solidification of the filled resin. As an injection mould designer, you should know the requirements of the product, which is also the source of precision injection moulding medical mould design. So the requirements of the product must be well known.
2. The characteristics of the object moulded products, to have a very systematic list of the characteristics of the moulded products, mainly in terms of materials, the shape of the moulded products, the injection moulding medical mould design will have a basis for some of the details.
3. The structure of injection moulding medical mould. The structure of fine mould is different from the structure of common mould. There may be several feasible structural design solutions for ordinary moulds, but for precision moulds, some of the structures may have certain effects, so some precision medical moulds may have very demanding structural solutions. The main consideration is the impact of the mould action on the product.
4. rigidity and strength of the mould. Personal experience that the rigidity of the injection mould is very important, I often see some mould embryo and internal mould material with a very thin, such manufacturers of moulds can be produced, but some products on the problem is and the strength of the mould has a very close relationship, sometimes the buyer is difficult to find.
5. The glue inlet and cross glue channel are important factors to control the products. The fine mould has certain requirements on the way of the product into the glue, the glue point to do beautiful point, the product will have an unimaginable effect.
6. Mould temperature adjustment circuit, the mould to control in the uniform temperature. It is necessary to set the temperature difference in the direction of resin flow, and to have countermeasures for the change of flesh thickness. The temperature of the mould surface of the product should be uniform at the moment when the finished product leaves the mould. This requires a reasonable cooling system for the mould.
7：The precision of the fine mould is very high, and the processing method of the mould is very important. According to the shape of the moulded products to divide the product part of the mould cavity, slow walking wire is very common. So the design should consider the processing method.
8. In the mould structure to be reasonable, to facilitate the additional of other programs. For example, a position may not be ideal, if the test mould is really not ideal, we must take the back-up program.
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Post time: Nov-09-2022