Punching to the highest precision

Challenge

The customer wants to further develop an existing micromotor for use in a body implant. Maximum efficiency and minimum waste heat are required.

Approach

SWD implements the high-precision punching technology and the process for punching Vacoflux®48 material with a thickness of 55 μm. The microlaminations are then annealed to eliminate domain defects.

Success

The motor achieves maximum performance with minimum waste heat. The expected parameters are met.

Facts

  • Material thicknesses up to 55 μm punched
  • Annealing to eliminate damage from punching
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