author：htjs add time：2016-03-18 16:51:33 browse：
Hard alloy die in use after a period of time, the internal parts will gradually wear that is damaged, resulting in reduced hard alloy die work performance and accuracy, due to the carelessness of the operator and maintenance of improper use, make hard alloy mould is damaged or the quality of the products is decreased, even caused by production, how to eliminate and avoid the occurrence of the fault, which requires hard alloy die fitter number of master mold repair technology, do occur at any time of the fault, can at any time and repair the to try to restore normal use, has played the potential maximum mold.
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on a：Polycrystalline module should be noticed in the drawing process
next：According to the difference between the well and the hard alloy die
