Table mould processing has very strict temperature requirements. Controlling the injection moulding temperature is an important factor that determines whether the injection moulded products can be qualified. In view of the injection moulding temperature, Today, the Table Mould Manufacturer would like to talk with you about the matters needing attention in table mould processing temperature. The following three points have a direct impact on the table mould processing temperature:
1. Nozzle temperature: The nozzle temperature should not be too low, otherwise the nozzle will be blocked due to the early solidification of molten material, or the performance of the product will be affected due to the injection of the early solidification material into the mould cavity.
2. Table mould temperature: Table mould temperature has a great influence on the internal performance and apparent quality of products. The mould temperature depends on the presence or absence of crystallinity of plastic, the size and structure of products, performance requirements, and other technological conditions.
3. Barrel temperature: The temperature to be controlled in the injection moulding process includes barrel temperature, nozzle temperature and mould temperature. The first two temperatures mainly affect the plasticization and flow of plastic, while the second temperature mainly affects the flow and cooling of plastic.
The quality of table mould products is not determined by machines or production personnel. It comes from the first process, that is, the injection moulding design. The injection moulding design of table mould is an important factor that determines the quality of products in the future.
The height of straight zigzag edges of table mould products should not be too small, otherwise it is difficult to form bending moments that meet the requirements, and it is difficult to obtain parts with accurate shapes. When punching plastic parts with zigzag edges, the interval L from the edge of the hole to the base of zigzag radius R should not be too small, so as to avoid deformation of the hole after zigzag forming, and to avoid inward shortening of the plastic parts when bending. Technical positioning holes can be designed, or both ends can be bent together, and the problem of shortening can be solved by adding width.
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