The quality of metal molds includes the following aspects:
(1) Product quality: the stability and conformity of product dimensions, the surface finish of the product, the utilization rate of product materials, etc.;
(2) Service life: on the premise of ensuring product quality, the number of work cycles that the mold can complete or the number of parts produced;
(3) Use and maintenance of the mold: whether it is more convenient to use, easy to demould, and the auxiliary production time is as short as possible;
⑷ maintenance costs, maintenance periodicity and so on.
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