加工耐热钢的硬质合金深孔钻

• 作 者: 朱兆金
• 出 处: 机械工人技术资料
• 发表日期: 1973年01期
• 关键词: 耐热钢 深孔钻 硬质合金 切屑 耐热合金 机械性能 排屑 副切削刃 钻削 切削刃

随着工业不断发展、许多重要产品上的构件需要长期或暂时处在高温、高压等状态下工作。使用一般结构钢达不到上述要求,这就需要采用耐热钢制造。目前出现了许多特殊类型的耐热合金,这些材料的特点是:(1)在高温下保持其原来物理——机械性能,强度降低很少;(2)韧性高:切屑不易变形,但容易粘刀——刀瘤现象严重;

As industry continues to evolve, components on many important products need to be permanently or temporarily exposed to high temperatures and pressures. The use of general structural steel can not meet the above requirements, which requires the use of heat-resistant steel. Many special types of heat-resistant alloys have emerged. These materials are characterized by: (1) maintaining their original physical-mechanical properties at low temperatures with very little reduction in strength; (2) high toughness: Knife - knife tumor is serious;