We’ve been running a Velox VR-5050 since fall 2019, with a PorterCable 5-speed router motor. Yesterday the motor started showing signs of overheating/burnout damage while routing 1/4" aluminum (3/16" single flute bit, 20k rpm, 60ipm), including some telltale magic smoke smell, causing us to stop the cut, and some slight clicking noises while manually rotating the bit afterwards. Testing afterwards, there doesn’t appear to be any noticeable loss of power while cutting, but my gut tells me this motor is probably done.
That being said, we’re looking into finding a replacement spindle, either another wood-router motor or better yet, taking this opportunity to upgrade to a proper spindle with VFD. Looking for some recommendations of brands/models of CNC spindle motors that are trusted within the community for common FRC applications.
TLDR; Burned out the wood-router motor on our CNC, looking for better replacement.
Edit: Budget is preferably $100-$500.