Search found 5 matches

by nixiebunny
Sat Apr 23, 2022 3:41 pm
Forum: Secrets of the Lathe Trolls
Topic: Converting 6N to direct drive
Replies: 8
Views: 3309

Re: Converting 6N to direct drive

I made the first version of the rotor today. The ring is 1/16" mild steel from Ace Hardware, cut out with a jigsaw. The magnet guide plate is 1/8" acrylic that was lying around. The encoder notches are placeholders. I will add many more for a high resolution angle readout. I also plan to add two ana...
by nixiebunny
Tue Apr 19, 2022 11:38 pm
Forum: Secrets of the Lathe Trolls
Topic: Converting 6N to direct drive
Replies: 8
Views: 3309

Re: Converting 6N to direct drive

Sounds awesome. Hope to see it in action. Are you planning to open source the design? I think there are many here that would like to build this for our DIY lathes. Yes, I certainly plan to describe what I'm doing in detail, and publish the drawings and code. It's too fun to keep bottled up. I have ...
by nixiebunny
Tue Apr 19, 2022 2:19 pm
Forum: Secrets of the Lathe Trolls
Topic: Converting 6N to direct drive
Replies: 8
Views: 3309

Re: Converting 6N to direct drive

Thanks. I think I can handle it. So many people don't think that you can build a motor because they're full of magnets and wires, but magnets and wires are pretty darn simple, other than their interesting field effects. So I'm planning to set it up so that I can easily change the magnet geometry and...
by nixiebunny
Mon Apr 18, 2022 1:27 pm
Forum: Secrets of the Lathe Trolls
Topic: Converting 6N to direct drive
Replies: 8
Views: 3309

Converting 6N to direct drive

I was recently asked to figure out why a belt-drive converted 6N turntable had so much wow. It was converted using a low-cost packaged BLDC motor with a simple UC2625 speed controller that has no PID tuning control, so of course it has a lot of wow. This got me to thinking about how to make the plat...
by nixiebunny
Mon Jun 02, 2008 4:09 am
Forum: Classifieds & tip-offs
Topic: For Sale - Presto 6N lathe and 92A amp
Replies: 2
Views: 1690

For Sale - Presto 6N lathe and 92A amp

I have this beast that gave me one year of faithful service making jukebox acetates, then it has sat in my garage for 10 years. Please put it to work! http://www.nixiebunny.com/presto/presto.html While you're waiting for the pictures to load, it has a Presto 1D head. It comes with two leadscrews - 1...