Scroll compressor

Scroll-Spiral EN AW-4032 (AlSi12,5) & EN-GJS-400-15

Initial situation at the customer

Scroll compressor

  • Frequent customer complaints about fluctuations in component quality for machined thin-walled parts
  • Pilot run status of scroll parts made of cast iron

Special features of this solution

  • Frequent customer complaints about fluctuations in component quality for machined thin-walled parts
  • Pilot run status of scroll parts made of cast iron

Aluminium scroll

  • Milling - Roughing

    Milling – Roughing

    Solid carbide step milling cutter

    • Coated solid-carbide stepped end milling cutter
    • Special coolant supply and geometry facilitate optimal premachining of the scroll compressor

  • Milling - Finishing

    Milling - Finishing

     Milling - Finishing

    • Coated solid-carbide form cutter with step for edge breaking
    • High-precision finishing machining of the scroll contours

Cast scroll

  • Milling - Roughing

    Milling – Roughing

    OptiMill-Uni-Wave

    • Standard milling cutter
    • Wave serration and five cutting edges enable maximum economic efficiency and secure chip removal during pre-machining

  • Milling - Finishing

    Milling – Finishing

    Solid carbide form milling cutter 

    • Solid-carbide form cutter with step for edge breaking
    • Reliable finish machining for precise part contours

Processing steps on the scroll compressor

  • The combination tool finishes the recesses for the sealing grooves.

    用于密封元件的凹槽

    • 这类凹槽的粗加工和精加工都通过采用两刃PCD镗孔刀完成。 
    • 此外，组合刀具还可以实现接触孔径的加工 
    • 切面划分有助于减小切削力并且确保形成最佳的切屑形状 

  • The boring tool with two stages machines the bearing bore of the scroll compressor.

    精确的轴承孔

    • 应用三刃PCD铣刀，通过循环铣削进行预加工 
    • 使用双刃-PCD镗刀进行精加工并且应用两个台阶和切口分割，以减小切削力 

  • Machining of the high-precision spiral shapes with a milling cutter made of solid carbide.

    高精度螺旋形状

    • 使用整体硬质合金铣刀进行预加工和精加工 
    • 极其锋利的切削刃确保了高的尺寸精度 

MEASUREMENT SERIES FLATNESS PROFILE IN PRE-SERIES

Advantages

  • Thanks to consistent component quality, customer complaints are avoided and costs are reduced considerably
  • Clear competitive advantage thanks to the cooperation with MAPAL and its years of experience and specialisation in motor vehicles
  • Intense supervision of series production enables reliable end-to-end machining of aluminium and cast iron

MEASUREMENT SERIES PERPENDICULARITY PROFILE IN PRE-SERIES