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引言工模具厂(车间)的任务是高效、优质、低成本地制造性能各异、品种规格繁多的工、卡、量、刃和模具。制造优良工模具的四大环节——设计、加工、选材、热处理中的“选材”常常是困难的所在。美国有1200种以上不同牌号工具钢。我国 GB、YB 也有50余种工具钢,这对选材取舍备增困难。多年来,工模具制造者都希望用少量钢材品种,满足制造多种工模具的要求。美国卡特
INTRODUCTION The task of tooling factory (workshop) is to produce work, card, quantity, edge and mold with different performance and various specifications with high efficiency, high quality and low cost. Four major aspects of creating a good mold - design, processing, material selection, heat treatment in the “selection” is often difficult. The United States has more than 1,200 different grades of tool steel. China GB, YB also has more than 50 kinds of tool steel, which is difficult to choose the material for the increase. Over the years, tool and die makers are hoping to use a small amount of steel to meet the requirements for manufacturing multiple tooling. American Carter