On 07/17/2019 08:56 PM, John Dammeyer wrote:
Thanks Jon,
I have lots of room under the pulley to mount something. Steel disk with slots and a hall sensor would easily do it. It's what I was going to do for simple RPM sensing into the Shumatch DRO with the reflective tape. Another project that was never finished.
Here's how I dealt with the problem on my Bridgeport. Due
to the way the back-gear reduction is set up, and the
spindle spline and drawbar, it is really difficult to get a
belt onto the final spindle.
So, I turned the bull gear into the encoder "disc".
http://pico-systems.com/bridge_spindle.html
This has been working well for a number of years.
Jon
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