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Messages - Steve Stallings

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301
Mach4 General Discussion / Re: Motor tuning for Series 1
« on: May 13, 2017, 05:25:14 PM »
The motors are standard 200 full steps per revolution.

I think the screws are 5 turns per inch.

On a Boss 4 machine if I recall correctly, the ratio from the motors to the screws is 1:1 but
some later machines were 2:1 ratio.

Your motor drivers will likely be set for microstepping which increases the number of steps
required by the microstepping factor. We would likely recommend 8 for this machine.

All three motors are the same.

The 100 KHz will determine the maximum speed possible but does not affect the counts
per unit of motion calculation.  Remember that is thousands of cycle per SECOND and motion is
measured in inches per MINUTE.

For the assumption of 8 micro steps, 200 step motors, 5 TPI screw and 1:1 ratio, you would
need 8000 steps per inch of travel. Given 100,000 times 60 second per minute, the PMDX-424
can produce 6,000,000 steps per minute, resulting in a limit of 750 inches per minute. That
far exceeds the 100 inches per minute that this machine is typically capable of running.

302
General Mach Discussion / Re: screen size
« on: May 06, 2017, 06:50:33 PM »
Sorry, but I have no experience running Mach3 in lathe mode.

Lathes do differ from mills in their G code usage for tool change.

I suggest that you re-post this question in the Mach General Discussion section of the forum with an updated subject line.

303
Not quite yet.

We suffered a major web server wipeout, and are in the process of moving
everything over to DreamHost. Unfortunately our forum software relies on
a database engine that DreamHost does not support. Working on it.......

Meanwhile try direct email for help.

304
General Mach Discussion / Re: screen size
« on: May 06, 2017, 05:20:47 PM »
NOTE: You are asking a Mach3 question in the Mach4 section of the forum.

Steps to get Mach3 to run in full screen mode for Mill screens, hopefully it works for Lathe screens.

1) check on the Config > General Config  ... Auto Screen Enlarge should be checked. It is in the Screen Control box in the lower right quadrant.

2) Accept and close Config

3) Select the Maximize button on the title bar in the upper right. Screen will enlarge, but graphics will remain old size for not.

4) Shut down and restart Mach3. It should restart with full screen in use with enlarged graphics.

Steve Stallings
www.PMDX.com

305
Mach4 General Discussion / Re: Mach 4 stops while running program
« on: May 01, 2017, 08:23:34 PM »
It could be electrical noise from the spindle. Less load equals less noise?

306
Mach4 General Discussion / Re: Mach4 build 3372 hangs with CSMIO/IP-A
« on: April 28, 2017, 07:48:15 PM »
We have been running build 3233 for a while without any issues.

Build 3372 installed OK and seems to be running OK in the few minutes that I tried it here
on one of our PMDX SmartBOB boards.

Regards,
Steve Stallings
www.PMDX.com

307
The PMDX-414 is a refresh of our SmartBOB-USB product line to combine
the encoder support feature of the PMDX-410 and the panel mount system
of the PMDX-412 into one low cost product so you don't have to choose
between them.

The PMDX-414 will replace both the PMDX-410 and the PMDX-412,
but support for these products will continue because all our SmartBOB
products share the same design architecture and plug-ins.

You can see it here:  http://www.pmdx.com/PMDX-414

Regards,
Steve Stallings
www.PMDX.com

308
Mach4 General Discussion / Re: Mach4lathe - Not ready for prime time
« on: April 28, 2017, 10:16:47 AM »
>
> Is it cutting thread with encoder feedback? Or just an index signal?
>

The PMDX SmartBOB family supports 5 modes of feedback for lathe threading:

1) Index only
2) Full quadrature with index
3) Single track tachometer with index
4) Quadrature without index (synthetic index)
5) Tachometer without index (synthetic index)

Regards,
Steve Stallings
www.PMDX.com

309
Mach4 General Discussion / Re: Mach4lathe - Not ready for prime time
« on: April 27, 2017, 01:37:51 PM »
Too many irons in the fire, I failed to put up an announcement.

Thanks for the heads up about that.

310
Mach4 General Discussion / Re: Mach4lathe - Not ready for prime time
« on: April 27, 2017, 01:00:07 PM »
An updated PMDX-SmartBOB plug-in was released on 19 April to address the
issue with the creeping that you experienced and I thought that you were
offered a beta version a few days before that. I was planning to close out
the thread on the PMDX forum when you reported your results.

Please try the Ver 0.51.252 plugin which you can download here:

http://www.pmdx.com/PMDX-SmartBOB-USB-Plug-In

You can also subscribe to announcements from the PMDX forums by following
the instructions in the Announcements forum. This will notify you when new
plug-ins are released.

Steve Stallings
www.PMDX.com


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