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And I assume one would use gearing to increase both precision and torque if driving at high speeds.? Ultimately its power in power out for any motor. 36w less losses max in his particular case. Less

PS. The "diode fix" does nothing for the 42B, not surprising given the probable cause. Ant.

Indeed John, I cant say at what torque, that's all he wrote. Depends on whether you use microsteps. Of course a neema 23 might be more suitable. Just looking at the principle. Ant?

We have investigated the cheaper MKS closed loop encoder and determined it's actually more precise than the MisfitTech more expensive one. Despite having a 12 bit rather than a 14 bit encoder. Smaller

But at what torque? Sent: February-14-20 5:04 PM To: [email protected] Subject: Re: [digitalhobbyist] Step #1 Encoder I found this interesting piece on driving stepper motors at speed: Using a

I found this interesting piece on driving stepper motors at speed: Using a cheap $5 92oz Nema 17 stepper, I was able to achieve around 600 rpm using the misfit tech board.? Wanting to improve

Sorry for the delay Ralph. Been busy. They are widely available on eBay or Alibaba. It's the TMCxxxx family of stepper stick drivers. There are variations amongst the implementations so the two models

The middle wheel is a DRO knob. Put your finger in the depression and it moves the selected axis at the step interval distance. The next outer knob is spring loaded to center and behaves like the

John, Is the round wheel spring loaded? In other words, does it have a center that it returns to? Is the center wheel set up like a mechanical hand wheel on the lathe or mill, or does it move the axis

I will be interested to hear how you get on with the Clough42 system. I totally agree that it the expenditure on mechanics, drives, steppers and Power supplies is the major part of a system. Again

I used Clough42 because it is very well documented both in hardware installation and software design and covered my needs. It is a simpler system than most (for instance it has limited UI options

Yes that is the original source for the Software. What I have put in the Files area is the original software modified by changing some terminology, typically "Cone" to "Taper", and changing some names

I think this is the origin. It’s in Russian. I used an automatic translator for my browser to read the thread. The one I use supplies a funnier name than we’re using for it.

I found the box it was packed up in. I can easily turn the shaft by hand, maybe 5 ounces max, tugging on the key with a fishing scale just to get a rough idea. There wasn’t noticeable backlash but I

I have now put a "Sketchy" description of the functions of the RELS in the files area. Richard

I have also added the Schematic to the files area. Richard

I have put the Sketch and a Spreadsheet in the "Files" area. The Spreadsheet is used to generate the system parameters for "Your" lathe. This is based on Metric values only for the moment. However the

Is there a GitHub or other page for the RELS project being discussed on this list? ?I think I’ve read all of the posts but never found a summary page or link to the source code. I’m currently

I jumped at the opportunity when a harmonic drive showed up and that took me down the rabbit hole of the STMBL AC Servo which introduced me to AC servos. I have yet to cast the pattern into a mount

Those calculation are why I modified my home made A axis head for the mill from about 40:1 worm drive to 1:1 direct drive. I also hob at a rate higher than 200rpm. I feel an A axis should be between