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Engine for growth: Drive upgrades for machine tools at Cummins

Cummins, Inc.


Extend service life of existing contour grinding machines with minimal operational downtime, helping Cummins control costs and maximize investment retention

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Rexroth Solution:

  • Replace existing legacy Rexroth drives with Rexroth DIAX03 DKR Analog drives, offering flexibility, combining AC Servo and Spindle drive performance into one compact package.


  • Four contour grinding machines operational lifespans extended
  • Retrofit saved customer significant time and money
  • Drives replaced with minimal downtime
  • Fit existing grinder footprints with similar parameter sets
  • No need to rewire interfaces, change spindle motor or encoder
  • Rexroth and Cummins partner to plan long-term migration and upgrade plan