Domestic injection moulding company

Short Description:

Steel Material 8407
Part Material ABS
Mold Life 1,000,000
Number of cavity 1
Mold Injection System Hot runner
Mold Frame LKM
Surface Treatment Polish


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domestic injection moulding company

Mold design and manufacturing are closely related to plastic processing. The success or failure of plastic processing depends to a large extent on the mold design effect and mold manufacturing quality, while the plastic mold design is based on the correct plastic product design.

Structural elements to be considered in the design of plastic mould are:

1, Parting surface. That is contact surface where concave and convex cooperate when molding is closed. The choice of its position and form is influenced by factors such as product shape and appearance, wall thickness, forming method, post-processing process, molding type and structure, demolding method and molding machine structure.

2, Structural parts. That is sliders, inclined tops, straight top blocks of complex molding. The design of structural parts is very critical, which is related to life of mold, processing cycle, cost, quality of product, etc. Therefore it has higher requirements to designer’s comprehensive ability for designing complex mold core structure, pursuing as simple as possible, more durable and more economical.

3, Mold accuracy. That is fine positioning, guide columns, positioning pins etc. Positioning system is related to appearance quality of product, quality and life of molding. According to different mold structure, different positioning methods are selected. The positioning precision control mainly depends on the processing. The internal mold positioning is mainly for a more reasonable and adjustable positioning way that designers must fully consider.

4, Pouring system. That is feeding channel from nozzle of injection molding machine to cavity, including main channel, runner, gate and cold hole. In particular, location of gate should be selected to facilitate filling of molten plastic in a well-flowing cavity, the solid-state flow path and gate cold material attached to the product are easily ejected from molding and removed during mold opening (except for hot runner mold).

5, Plastic shrinkage and various factors affecting dimensional accuracy of product, such as mold manufacturing and assembly errors, molding wear and so on. In addition, when designing compression molding and injection molding, matching of process and structural parameters of molding machine should also be considered. Computer-aided design techniques have been widely used in plastic molding design.


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