# Faster Z axis motor

**URL:** <https://forums.maslowcnc.com/t/faster-z-axis-motor/8218>\
**Category:** Hardware\
**Tags:** z-axis, motors, encoder\
**Created:** [December 24, 2018, 8:00pm UTC](https://forums.maslowcnc.com/t/faster-z-axis-motor/8218 "2018-12-24T20:00:52Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![Gero](https://yyz1.discourse-cdn.com/flex031/user_avatar/forums.maslowcnc.com/gero/32/17487_2.png) [@Gero](https://forums.maslowcnc.com/u/Gero)\
**Post date:** [February 23, 2019, 6:33pm UTC](https://forums.maslowcnc.com/t/faster-z-axis-motor/8218/12 "2019-02-23T18:33:43Z")

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> [@Metalmaslow](#):
>
> Isn’t the PPR needed in the equation? Yet I do not see it.

The formula uses CPR (counts per revolution) vs PPR. [What’s an Encoder’s PPR, CPR, and LPR? | CUI Devices](https://www.cui.com/blog/what-is-encoder-ppr-cpr-and-lpr)

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