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随着工业产品的迅速发展,对模具的要求更为迫切,模具已成为各工业部门使用领域最广泛的一种重要工艺装备。在机械、电子、轻工、国防等工业部门的产品零件中60～90％需要模具加工,模具费用已占产品成本的10～30％,模具技术直接影响产品的发展和更新、质量和效率。模具寿命是衡量模具技术水平的重要指标,模具寿命低,精度保持性差,使产品质量粗糙,不耐用,外观不美。模具寿命低也浪费了大量合金工具钢和加工工时,大大增加了产品
With the rapid development of industrial products, the demand for molds is even more pressing. The molds have become one of the most widely used and important process equipment in various industrial sectors. In the mechanical, electronic, light industry, national defense and other industrial products 60 to 90% of the parts need to mold, mold costs account for 10% to 30% of the cost of the product, mold technology directly affects product development and updating, quality and efficiency. Die life is a measure of the level of technology, an important indicator of mold, mold life is low, the accuracy of poor maintenance, the rough product quality, not durable, the appearance of the United States. Low die life is also wasted a large number of alloy tool steel and working hours, greatly increased the product