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Messages - 01sporty

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General Mach Discussion / Re: Looking for help with a spindle motor.
« on: April 08, 2022, 12:54:28 AM »
I don't have a signal generator but I do know the motor turns. 
It was working with the printer port up to 600 rpm.  After that the computer just couldn't handle it.  Fell flat on it's face.

You told me that.  Go back and refresh your memory at the initial post and your reply.
Somehow I'm missing one of the basic fundamentals with the ESS.

In my defense, I've been working on this two and three minutes at a time in between the work I'm supposed to be doing.  ::)

General Mach Discussion / Re: Looking for help with a spindle motor.
« on: April 07, 2022, 09:53:43 PM »
Well, you're absolutely correct.  I'm not sure how I missed it but the spindle will indeed match the axis frequencies. That should not be an issue.

Now all I need to do is figure out why the motor isn't moving.

General Mach Discussion / Re: Looking for help with a spindle motor.
« on: April 07, 2022, 08:37:46 PM »
note also that you have selected PWM as your spindle control mode? Is that what ypou want? I thought you wanted to run Step/Dir, in which case uncheck
the PWM box and check the Step/Dir box.


I should have clarified that picture.  That's not my setup, that's the example given on the Warp9 site.

General Mach Discussion / Re: Looking for help with a spindle motor.
« on: April 07, 2022, 08:36:31 PM »
click the drop down menu, you can use vastly more than 32kHz.

My new servo driven mill runs 416kHz to each of the three axis servos and 466kHz to the C axis....so yes you can use way more than 32kHz.


Nope.  Like I said, all of the axis motors will go up to 4mhz.
The spindle only goes to 32mhz.

General Mach Discussion / Re: Looking for help with a spindle motor.
« on: April 07, 2022, 08:18:53 PM »
Hi, I'm back. Thanks for all the great info.  I suspected it was something like that.

So, I went ahead and bought an ESS.

I haven't actually got it to turn the new step/dir motor as of yet but I did find some troubling info on the 'setting up the ESS' page.

It appears that the Smoothstepper will indeed produce a kernel frequency of up to 4mhz for the axis motors, it will only do 32khz for the spindle motor.

That leaves me little better off than I was with the parallel port.  The whole deal is beginning to look like an expensive boondoggle.


General Mach Discussion / Re: Mach3
« on: March 28, 2022, 02:32:37 PM »
You're in demo mode.  Look for your Mach1Lic.dat file and put it in the Mach3 directory.

General Mach Discussion / Re: RPM DRO Reading Strange
« on: March 28, 2022, 02:12:21 PM »
Did a re-install and the problem went away.
Never did find the cause.

General Mach Discussion / RPM DRO Reading Strange
« on: March 27, 2022, 03:14:41 PM »
Mach 3, Plain Jane printer port setup on a lathe. Hall sensor on the spindle to read RPM.

My RPM Dro's have started reading huge numbers.  I'm talking in the millions and tens of millions, flashing crazily.

After chasing my tail looking for a setting that got inadvertently changed or a problem with the electronics, I finally realized the Dro's are reading correctly if you just look at the first four digits.

So I put a different screen set in and same result.  I looked at the screen set in MachScreen and the Dro is definitely set to four places with zero trailing.

I'm out of ideas.   :'(

OK, attached is the totally rewritten version of M1083.m1s.
Also attached is an explanation of what it is all about.
I would love to hear from anyone who has tried it, successfully or otherwise, and especially if you have found any bugs.


Hope you're still looking for feedback on this ancient thread.
I've been trying the various M1083.m1s files found on this forum and this one by Roger is by far my favorite. The -R value ability is terrific. Thank you Roger.
I was wondering, however, if there is any way to get G83.1 to work on a lathe since there is no 'C' parameter. (I haven't tried it yet on my mill)

General Mach Discussion / Looking for help with a spindle motor.
« on: February 21, 2022, 05:54:23 PM »
I've been trying to get this motor working to try as a spindle motor on a small lathe.

It's a plain jane Mach3 setup on a Win7 computer.  Parallel port to simple breakout board to the motor.

When I first wired it up, the motor ran really slow.  Mach3 wouldn't let me put in a large enough number in the velocity box in motor tuning.

This morning, I edited the xml file and got part way there.   Line 1383 (see picture) seems to be a percentage.  Changing it to 100 got results.  This changed the velocity in motor tuning to 6000 (see picture).  No clue what the relationship is.

After making this change (here comes the good part) setting the S speed to 200 gave me an actual speed of 200rpm.  Measured frequency was 6.68 KHz - spot on.

At S400 and S600 results were also perfect.  At S800, it all fell apart.  The frequency went to an unstable 23.49 and the rpm a ragged 720.

Any suggestions on how to make this thing work?

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