Effect Of Process Parameters On Repeatability Precision Of Weight For Microinjection Molding Products

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The weight of the tensile specimen will increase with the increase of mold temperature, but the affect specimen exhibits the alternative situation. This may be because of the filling unbalance of the 2 mold cavities because of different dimensions and weight of product. The cavity of impact specimen is stuffed earlier than the tensile specimen, leading to a big residual stress and shrinkage. In molding process, cheap adjustment of process parameters must be made to attain the very best stability filling of two cavities. Figure 6 is the effect of packing strain on the burden.

The basic steps of the injection molding process are the same for any part. First a customized mold device is fabricated which has a damaging cavity space to be crammed with melted plastic resin to kind the desired half. This tool is then positioned into an injection molding machine, also referred to as a press, which controls the method of creating components with the instrument.

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