Spiral Groove Restoration

The loss of a functional groove on your collector ring can create serious negative selective-action related problems. Cutsforth™ can return your spiral groove (also called the helical groove) to its optimal condition in a fraction of the time required by traditional methods. The patented Cutsforth™ Spiral Groove Restoration service can dramatically increase the life of collector rings and help avoid expensive replacement.

  • Save outage time. Our process is usually completed 50%-75% more quickly than traditional machining methods.
  • Maximize your savings. Faster process means less downtime.
  • Our process can double the life of your collector ring.
  • Go with experience. We invented and patented the process.


Our before and after images showcase the results.