Gear pump

This gear pump was machined on a Mikroturn® 100 between centers. The goal was to replace a multi-step machining process by a single step operation, finish hard turning. With hard turning the OD’s and gear faces can be (finish) machined in one set-up, while maintaining the required accuracies. Now only one machine performs all the operations.

Workpiece details

  • DimensionsØ 32 / Ø 55 x 120 mm
  • Material2 Cr3WM0V
  • Hardness 62 HRC


  • Form accuracies< 1 µm
  • Size accuracy< 2 µm
  • Surface finish (Ra)≤ 0.1 µm
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