ORAC Lathe Spindle Timing Gear
thingiverse
As I'm upgrading [my ORAC lathe](http://www.wolfteck.com/orac/), one function I want to play around with is precision spindle control. This timing pulley fits on the spindle, inside the headstock. It connects to the [stepper pulley](https://www.thingiverse.com/thing:2813941) via a [320-2GT](http://amzn.to/2F9XSD9) timing belt. The [stepper](http://amzn.to/2H4zEXJ) is mounted inside the headstock with my [ORAC Spindle Stepper Mount](https://www.thingiverse.com/thing:2813938). This pulley can also hold a couple [tiny magnets](http://amzn.to/2oFRMQG) and along with my [ORAC Hall Effect Sensor Mount](https://www.thingiverse.com/thing:2813873) set you up for a [cheap digital tach](http://amzn.to/2F8c8Iz).
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