Machining solutions for electric motor housings

Series solution with hollow shank taper 100

Highly productive for large diameters

  • Three stage process (pre-, semi-finish and finish machining)
  • Large machining diameter > 220 mm
  • The highest levels of performance and precision
  • Ideal process for large quantities and short cycle times

Zwei ISO-Aufbohrwerkzeuge in Aluminiumbauweise mit PKD-bestückten Schneidplatten

1. Pre-machining

Efficient roughing with high cutting depth


ISO boring tool in aluminium design 

  • ø 250 / 258 mm
  • PCD-tipped indexable inserts
  • ISO cartridges
  • Designed as single or multi-stage
  • Weight: max. 21 kg

Präzisions-Aufbohrwerkzeug mit PKD-bestückten Schneidplatten

2. Semi-finish machining

Contour-forming to approximately the final contour


Precision boring tool 

  • ø 272 / 278 mm
  • PCD-tipped indexable inserts
  • Design as welded construction or with tool body made of aluminium
  • Weight: max. 17.3 kg

Feinbohrwerkzeug in Leichtbauweise und Protektionsschild mit PKD-bestückten Schneidplatten

3.1 Finish machining

Innovation for the highest precision


Fine boring tool in lightweight construction made of steel with protection shield for mixed machining of the bearing bore 

  • ø 70 / 156 / 250 / 260 mm
  • PCD-tipped indexable inserts for aluminium housing
  • A = 362 mm | z = 2+4
  • Cermet indexable inserts for machining of steel bearing bushes
  • Finely adjustable and temperature stable
  • Guide pad technology
  • Weight: max. 21 kg

Aussteuerwerkzeug für U-Achs-Systeme

3.2 Finish machining

Flexible machining of the inner contour


Actuating tool for U-axis systems

  • ø 80 / 220 mm
  • Suitable for machining of housing variants
  • To compensate for cutter edge wear
  • Weight: max. 23 kg

Your direct contact

Michael Kucher from the Component Management E-Mobility at MAPAL.

Contact person

Michael Kucher Component Manager E-Mobility michael.kucher@mapal.com +49 7361 585 3557


Machining solutions for...

Other electrified components