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Backlash has to be handled some way or your machine will never return spot ever in its life. So if a closed system is no good then what can be done. Sony makes a feed back hook up for closed systems.

to Really? Man I wish I could get freqmot to work here. I can not get the motor to run smoothly at all. With the eval CNCpro I could get 30 ipm easy, with emc and freqmot I can barely get 15 ipm - and

Get the Feb. 29, 2000 release. Darrell PS. I hope to have a BOSS 6 up and running soon and as I made the "SLO-MOTION" cards I may have some info for you soon. The cards now go under the name "MACHINE

Elliot Burke wrote... First: This list and r.c.m is literallly a gold mine in time and money saving for us newbies, thanks to all ye contributors. Second: Aha! (And if I had put my brain in gear

Hi Art, I am a newcomer to the list and I don't know you. However, I feel for you with your wife being in the hospital. I hope she gets better very soon. I don't know what I would do if something

All help is welcome. If there is software out there it can come from any source. It wouldn't hurt to look.

james owens wrote: I am just getting some machine tools together myself. The guy working on "Stepster" is well aware of this kind of thing from telescope making. I can point you to telescope softeware

My intention to hookup DRO and use it as positional information came about because I have a warn lead-screw on my Bridgeport type milling machine. The cost of replacing the past it parts would be far

Art, Just wanted to say we'll be thinking about you and your wife, hoping everything works out for you. I look forward to hearing you discuss metal working soon, but certainly other things in life are

First thing to do is upgrade to the most current release and then switch to using freqmot instead of stepmot. You will find this to be a tremendous improvement. Tim [Denver, CO]

I try to read the messages pretty regularly but don't contribute a lot since there always seems to be someone out there who has the answers to questions that arise and so my own comments are usually

I have a Bridgeport Boss which I am driveing using a slow-motion controller card and the Novemebr release of EMC. I am having problems with missing steps and was wondering what paramiters I might need

<big snip> I'd think that EMC can be taught to catch up, but we will soon know from the folk that are putting together the hardware for their emc stepper mills. But this thread started out with the

Speaking of earthworms coming out of the ground, I use a 500 amp Lincoln welder with the ends connected about 50 feet apart to earth rods, fire up the welder and come back a while later, and worms for

check I can also add this link to a commercial product: http://www.orientalmotor.com/automated/newproduct/index.h

I was gonna, but, nah... Why bother!

Yesterday, someone asked for some info on the emc mailing list.? Here it is: The send to address for the list is emc@... You do not need to be a subscriber to send mail to this list, although

Terry, I really don't think it was an original idea. EMC has had the ability to handle a closed loop stepper since the Feb 2000 release. In checking the archives of this list you can see that Matt

First, I don't believe that Dan's post (copy below) mentions anything about using linear encoders to correct commanded motion position. Second, since this is by nature a public forum, any ideas,

Some time ago I proposed a system using DRO input to a CNC program for stepper motor control of workshop machinery. The idea was considered to have "No Merit" and not of commercial value. I proposed