G0768 Electronic Lead Screw

[andyman]

Just wanted to post some information regarding the G0768 electronic lead screw from clough42. I don't think I've seen many people install this electronic lead screw but I just wanted to show that its possible to do it and also make it nice (hiding the servo that drives the lead screw) and being able to put the cover back on over the gears.

this project requires removing all the timing gears and replacing everything with belts. This is not really a post on how I did it. Its more of a post of the parts needed to do it so you can save time trying to figure out what to buy.


G0768 ELS parts
electronics:
TI F280049C
software from:

GitHub - clough42/electronic-leadscrew: Lathe electronic leadscrew controller

Lathe electronic leadscrew controller. Contribute to clough42/electronic-leadscrew development by creating an account on GitHub.

github.com

https://clough42.com/shop/ interface board and display
5v relay for enable control
DB25 25pin dsub for DMM DYN4 controller

servo drive on lead screw
DMM dyn4 controller 57N-DHT-A6TD1 nema 23 0.4kw motor
HTD 3mm Pitch, 489mm 163T 9mm wide belt
6.35mm bore, 3mm pitch 24T 15mm wide pulley
12mm bore, 16mm wide, 72T, HTD pulley 3mm pitch

spindle encoder
E6B2-CWZ6C rotary encoder
6mm bore, 2mm pitch, 60T 6mm wide belt GT2 pulley qty 2
280mm GT2 2mm pitch belt 6mm wide

spindle
86M-DHT-A6MK with dyn4 in analog input mode
21T XL pulley 6mm bore
40T XL pulley 14mm bore 11mm wide
198XL belt 10mm width

 

[andyman]

Oh and if you use this fork of clough42's firmware you can get thread to shoulder and also custom thread pitches (in metric). It makes threading so much easier!

GitHub - kwackers/electronic-leadscrew: Lathe electronic leadscrew controller

Lathe electronic leadscrew controller. Contribute to kwackers/electronic-leadscrew development by creating an account on GitHub.

github.com

 

[andyman]

No post should be without pictures.

 

[andyman]

And lastly the 3d printed parts. One for the encoder, another for the electronics. I thought I'd also include the housing for the slide in case you want to convert the lathe to full CNC while retaining manual capabilities.

 

[WobblyHand]

Congratulations on your ELS. Nice job.

For your future reference, there's a search function at the top right of the webpage. If you type in clough42 you will see more than a dozen threads on electronic lead screws. Check it out.

Several of us have designed our own, independent of James Clough's excellent work. Having an ELS is really nice. Enjoy yours.

I designed mine from scratch because the required TI controller boards were unavailable for over a year. So I had to write my own code. Since mine works ok, can't see a reason to retrofit it. I used a touch panel display to control and view the settings, there are no physical button switches. Other folks have used a bluetooth connection to their phone to do the control. Lots of ways to solve the interface problem.

 

[andyman]

This post is not specifically targeted to any particular ELS but clough42 does provide an easy path. I just discovered ELS and clough42 solution about 2 months ago and started my conversion. I was not able to find any real information anywhere about what I would need to convert my particular lathe and I wasted $$ buying various size belts and pulleys.

I can tell you the search function here does not give me the information I desire. So for those with a G0768 you now have my parts list and have a very solid foundation to convert yours. For me I just need this lathe working so I can actually make my parts. I don't want to spend time tinkering with the lathe.

Anyway for those with a G0768 heres your parts list, the STL for mounting the encoder and TI controller. use whatever software you want, but atleast you now have everything you need to get the physical parts installed.

 

[RaisedByWolves]

This post is not specifically targeted to any particular ELS but clough42 does provide an easy path. I just discovered ELS and clough42 solution about 2 months ago and started my conversion. I was not able to find any real information anywhere about what I would need to convert my particular lathe and I wasted $$ buying various size belts and pulleys.

I can tell you the search function here does not give me the information I desire. So for those with a G0768 you now have my parts list and have a very solid foundation to convert yours. For me I just need this lathe working so I can actually make my parts. I don't want to spend time tinkering with the lathe.

Anyway for those with a G0768 heres your parts list, the STL for mounting the encoder and TI controller. use whatever software you want, but atleast you now have everything you need to get the physical parts installed.

What was you cost in parts for this?