Had a bit of a disaster with my original tool post grinder so decided to make a new one. The first model ran a motor from a ride on toy car but unfortunately lacked grunt not to mention torque. It did perform adequately until I needed to cut a square shaft on the mini with a 10mm milling cutter then gave up the ghost. The power supply overheated, motor stopped.
Here's model 2 and hopefully better.
Last edited by Stevohdee; 07-03-2019 at 09:20 AM.
Bearings technology has come a long way, but you get what u pay for. I did notice the bearings in my current motor looked similar to the ones in the shaft in my first so I guess a decent motor runs decent bearings. (they were both sealed) and If you run er16 collets in your grinder the the option to mill or drill is always there, so maybe there'll come a time...
All the best
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