Micro injection molding has two trends in plastic mold processing:

The first is to use mirror EDM, in order to ensure high precision, it is best to use graphite electrode for EDM, because graphite electrode wear is much smaller than the ordinary copper electrode.

Comparison of second kinds of processing methods are commonly used by electrical mold, using electroforming process can ensure very high accuracy, but the disadvantage is the long processing cycle, each point should be independent in the production and processing, if there is a slight damage can not be repaired, only to replace the damaged points. In mold, mold temperature is also a very important parameter of micro injection molding.

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