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当前位置:甘肃快三走势图 » 株钨资讯中心 » 行业动态 » 硬质合金在模具、刀具行业中的广泛应用

硬质合金在模具、刀具行业中的广泛应用

文章出处:责任编辑:人气:-发表时间:2015-09-22 15:17【

  采用硬质合金工模具(包括塑性成形模具和切削加工的刀具)加工金属制品是提高模具使用寿命的主要途径。目前,硬质合金模具和刀具已在生产中广泛应用,并取得明显的效果,例如用于纯铝和紫铜冷挤压的硬质合金模具寿命已达到200万次,用于钢零件挤压的硬质合金模具寿命也达到10万次以上。用于多工位级进模的硬质合金冲裁凸凹模寿命一般可达1亿次,最高可达3亿次。用于铝合金切削加工的刀具耐用度可达180~200分钟(以已加工表面粗糙度达到Ra0.63&mirco;m作为刀具失效标准)。为了深入了解硬质合金的磨损特性及其与加工对象和加工条件的关系,充分发挥硬质合金工模具的抗磨损性能,本文针对硬质合金刀具的扩散磨损机理,通过实验进行研究。

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