In electronic assembly manufacturer, plastic injection is a common technique. There are several factors which can influence the quality of plastic injection molding. Therefore, one must choose the good plastic injection manufacturer cautiously.
When one chooses a plastic injection manufacturer, he/she can pay attention to the design of plastic injection mold, the use of plastic materials, and the condition of injection. Only when these factors are being carefully taken care with can that manufacturer be a qualified one.
The characteristics of the plastic injection process are as follows:
1. Utilizes a ram or screw-type plunger to force molten plastic material into a mold cavity
2. Produces a solid or open-ended shape that has conformed to the contour of the mold
3. Uses thermoplastic or thermoset materials
4. Produces a parting line, sprue, and gate marks
5. Ejector pin marks are usually present
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Posted by: George | 08/30/2011 at 12:48 AM