爪式真空泵

泵外壳体由欧标 EN-GJL-250 铸铁制造 | 
爪由 1.4021（X20Cr13）不锈钢制造 

客户的初始情况

Claw vacuum pump

  • 在以往的批量加工工艺中，由于采用非柔性化刀具解决方案而造成很高的刀具成本 
  • 在该爪的生产过程中，由于机械切削部分占比巨大，引发了大幅的成本压力 

解决方案的特性

  • 通过采用可转位刀片的解决方案，也大幅缩减了切削材料的成本 
  • 通过MAPAL的组合刀具以及精镗技术的高效配置，无需增加额外任何刀具，即可实现最佳的工艺结构并达到要求苛刻的形状和位置公差 
  • 大量标准系列整体硬质合金立铣刀可针对高挑战性难切削材料的摆线铣削提供高成本效益 
  • 软切削切向刀片具有更小的主轴功率消耗需求 

泵外壳

  • Roughing

    粗加工

    圆铣刀 

    • 带切向可转位刀片的圆铣刀 
    • 针对不同结构组件的差异化，可通过高柔性化工艺完成泵腔孔的粗加工

爪

  • Trochoidal milling cutter

    Trochoidal milling

    OptiMill-Uni-HPC-Finish 

    • Standard solid-carbide milling cutter
    • Short machining times during trochoidal milling processes when roughing and finishing external contours

  • Trochoidal milling

    Trochoidal milling

    OptiMill-Tro-Inox

    • Standard solid-carbide milling cutter
    • Short machining times during trochoidal milling processes when roughing and finishing external contours

  • Fine boring

    Fine boring

    Fine boring tool

    • Multi-stepped fine boring tool guarantees optimal form, positioning and diameter tolerance of bearing bores

Claw tool life

Advantages

  • High degree of flexibility for many variants – six different part sizes possible with a single tool concept
  • Reduced tool costs
  • Machining process for the claws significantly reduced
  • Optimised, economical end-to-end process by MAPAL