# Spindle VFD upgrade

**URL:** <https://community.inventables.com/t/spindle-vfd-upgrade/27830>\
**Category:** Upgrades\
**Created:** [September 12, 2016, 4:24pm UTC](https://community.inventables.com/t/spindle-vfd-upgrade/27830 "2016-09-12T16:24:20Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![AndyNelson](https://avatars.discourse-cdn.com/v4/letter/a/c5a1d2/32.png) [@AndyNelson](https://community.inventables.com/u/AndyNelson)\
**Post date:** [September 12, 2016, 4:24pm UTC](https://community.inventables.com/t/spindle-vfd-upgrade/27830/1 "2016-09-12T16:24:20Z")

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I am looking at a purchase in the near future and have some questions about a spindle upgrade for more precision and harder to cut materials (Acrylic, Lexan, G10, Carbon fiber) also noise. Looking at the forum I see .8 is popular and probably plenty for my needs. What is needed to make this work? I read the 65mm mounts either shim a 611 or make new. can it be connected to run with controller or is it stand alone? If I buy a VFD and spindle what else is needed? Can you guys tell me what you have?

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**Author:** ![EricDobroveanu](https://yyz1.discourse-cdn.com/flex009/user_avatar/community.inventables.com/ericdobroveanu/32/78000_2.png) [@EricDobroveanu](https://community.inventables.com/u/EricDobroveanu)\
**Post date:** [September 12, 2016, 4:34pm UTC](https://community.inventables.com/t/spindle-vfd-upgrade/27830/2 "2016-09-12T16:34:03Z")

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If you get a water cooled version, you’ll obviously need to get a pump/reservoir/tubing to cool it.

I shimmed a DeWalt 611 mount with two layers of styrene: [Styrene Sheet – Inventables, Inc.](https://www.inventables.com/technologies/styrene-sheet)

Seems to work just fine.

You also need to make sure your input voltage to the VFD is correct. I bought a 220v VFD and had to get a transformer to convert my 110v wall outlet to a 220v output. I got one of [https://www.amazon.com/Goldsource-STU-3000-Voltage-Transformer-Converter/dp/B0022U0MSQ/ref=pd\_sim\_23\_3?ie=UTF8&psc=1&refRID=33MXDCM2TE7KXNX5QZ0A](https://www.amazon.com/Goldsource-STU-3000-Voltage-Transformer-Converter/dp/B0022U0MSQ/ref=pd_sim_23_3?ie=UTF8&psc=1&refRID=33MXDCM2TE7KXNX5QZ0A) and its works great. Its 3000w in case I decide to upgrade to a 2.2kw spindle later on.

Theres also a few settings you might have to set on the VFD, so keep the vfd manual close by. I found this blog to be incredibly helpful: [http://www.halfbakedmaker.org/blog/post\_id](http://www.halfbakedmaker.org/blog/post_id)