Re: [Emc-users] Stepper Motors

2016-04-20 Thread Gregg Eshelman
ubject: [Emc-users] Stepper Motors What does "hybrid" mean in stepper motor type descriptions? -- Find and fix application performance issues faster with Applications Manager Applications Manager pro

Re: [Emc-users] Stepper Motors

2016-04-20 Thread John Thornton
Thanks On 4/20/2016 7:43 AM, andy pugh wrote: > On 20 April 2016 at 13:37, John Thornton wrote: >> So if it is just a 4 wire step motor then it is a permanent magnet rotor? > If there is no encoder then it is just what has become a conventional > stepper motor. >

Re: [Emc-users] Stepper Motors

2016-04-20 Thread andy pugh
On 20 April 2016 at 13:37, John Thornton wrote: > So if it is just a 4 wire step motor then it is a permanent magnet rotor? If there is no encoder then it is just what has become a conventional stepper motor. -- atp "A motorcycle is a bicycle with a pandemonium attachment and

Re: [Emc-users] Stepper Motors

2016-04-20 Thread John Thornton
So if it is just a 4 wire step motor then it is a permanent magnet rotor? For example this one: http://www.amazon.com/DC-HOUSE-23HS8430-Hybrid-Stepper/dp/B017OYHUBG/ref=sr_1_2?ie=UTF8=1461155754=8-2 JT On 4/20/2016 7:16 AM, andy pugh wrote: > On 20 April 2016 at 13:06, John Thornton

Re: [Emc-users] Stepper Motors

2016-04-20 Thread andy pugh
On 20 April 2016 at 13:06, John Thornton wrote: > What does "hybrid" mean in stepper motor type descriptions? Two things... It used to mean that the motor had a permanent magnet rotor. It now sometimes gets used to refer to a closed-loop step-servo, where the stepper motor is

[Emc-users] Stepper Motors

2016-04-20 Thread John Thornton
What does "hybrid" mean in stepper motor type descriptions? JT -- Find and fix application performance issues faster with Applications Manager Applications Manager provides deep performance insights into multiple tiers

Re: [Emc-users] Stepper Motors/Drives

2016-01-15 Thread andy pugh
On 15 January 2016 at 01:04, Gregg Eshelman wrote: > > The catch is that those small screws tend to cost more than larger ones. They are not so bad now: http://www.zappautomation.co.uk/r08-025b1-rsw.html -- atp If you can't fix it, you don't own it.

Re: [Emc-users] Stepper Motors/Drives

2016-01-14 Thread John Dammeyer
e Controller (EMC) > Subject: Re: [Emc-users] Stepper Motors/Drives > > > On 14 January 2016 at 03:32, Gregg Eshelman <g_ala...@yahoo.com> wrote: > > Got any pics of yours? where are you located? > > https://picasaweb.google.com/108164504656404380542/CNCUnsort

Re: [Emc-users] Stepper Motors/Drives

2016-01-14 Thread andy pugh
On 14 January 2016 at 03:32, Gregg Eshelman wrote: > Got any pics of yours? where are you located? https://picasaweb.google.com/108164504656404380542/CNCUnsorted#5611904480713910226 And also: http://www.cnczone.com/forums/mini-lathe/63621-cnc-2.html#post509784 I am in the

Re: [Emc-users] Stepper Motors/Drives

2016-01-14 Thread Gregg Eshelman
On 1/14/2016 10:54 AM, John Dammeyer wrote: > Very impressive that you were able to squeeze a ball screw under the cross > slide. What diameter screw is that? > Thanks for posting the pictures. 5/16" or 8mm can be just fit in by milling out the nut channel in the saddle as wide as possible while

Re: [Emc-users] Stepper Motors/Drives

2016-01-14 Thread John Dammeyer
Very nice. Especially hearing the spindle speed up as the tool moves inward to keep the same SFM. John Dammeyer > -Original Message- > From: andy pugh [mailto:bodge...@gmail.com] > Sent: January-14-16 10:57 AM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc

Re: [Emc-users] Stepper Motors/Drives

2016-01-14 Thread andy pugh
On 14 January 2016 at 17:54, John Dammeyer wrote: > Very impressive that you were able to squeeze a ball screw under the cross > slide. What diameter screw is that? 8mm. I thought it would be too small, but it has worked very well for years. This is a good example of

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread andy pugh
On 13 January 2016 at 17:51, John Dammeyer wrote: > So back to basics with a flex handle on the 1" socket and 1' away I started > adding weight. Each oz would be 12 oz-in. As I recall it took very little > to move it. Perhaps 50 oz-in. My stepper lathe is fine for

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread John Dammeyer
is priceless. Thanks John > -Original Message- > From: andy pugh [mailto:bodge...@gmail.com] > Sent: January-13-16 10:53 AM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] Stepper Motors/Drives > > > On 13 January 2016 at 18:41, John Dammeyer <jo..

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread andy pugh
On 13 January 2016 at 19:10, Lester Caine wrote: > On 13/01/16 18:52, andy pugh wrote: >> running at 28V > One of the problems with the early 'cheap' controllers was the 24V > supply. Simply replacing the driver with one capable of 45 or so volts I am sure that is the case.

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread John Dammeyer
> -Original Message- > From: andy pugh [mailto:bodge...@gmail.com] > My stepper lathe is fine for normal turning and boring. > However, one place where CNC can really make life easier on a lathe is > peck-drilling holes with a drill held in the toolpost. > My lathe does not seem to

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread Lester Caine
On 13/01/16 18:52, andy pugh wrote: > running at 28V One of the problems with the early 'cheap' controllers was the 24V supply. Simply replacing the driver with one capable of 45 or so volts made the stepper motor and hardware actually work reliably and I would suspect you are subject to the same

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread andy pugh
On 13 January 2016 at 18:41, John Dammeyer wrote: >> My lathe does not seem to struggle at all with turning cuts within the >> torque limit of the spindle, but stall immediately if trying to push a >> drill > 10mm. >> > What are you running on the lead screw? Direct or

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread andy pugh
On 13 January 2016 at 21:20, John Dammeyer wrote: > What kind of driver (who's brand) and current setting? Micro-stepping? How > many micro-steps per step? http://www.motioncontrolproducts.com/drives/msd542-microstepping-drive.php?cat=2 Probably max current, 1/4

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread Lester Caine
On 13/01/16 21:20, John Dammeyer wrote: > 495 oz-in sounds kind of inflated for a size 23 motor. Only 3.5Nm ... we are seeing 4Nm NEMA23 now, but I've standardised on the 3Nm as an alternative to the 1.8Nm and it's only a few pounds more. They need 4Amp drivers though, so the 3Amp limit of the

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread John Dammeyer
C) > Subject: Re: [Emc-users] Stepper Motors/Drives > > > On 13/01/16 21:20, John Dammeyer wrote: > > 495 oz-in sounds kind of inflated for a size 23 motor. > Only 3.5Nm ... we are seeing 4Nm NEMA23 now, but I've standardised on > the 3Nm as an alternative to the 1

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread Gregg Eshelman
On 1/13/2016 12:28 PM, andy pugh wrote: > On 13 January 2016 at 19:10, Lester Caine wrote: >> On 13/01/16 18:52, andy pugh wrote: >>> running at 28V >> One of the problems with the early 'cheap' controllers was the 24V >> supply. Simply replacing the driver with one capable of

[Emc-users] Stepper Motors/Drives

2016-01-13 Thread Rick Lair
Hey Guys, I have never dealt with stepper motors/drives and one of the guys at our shop is kicking around converting and old 9x30 Southbend lathe to cnc using Linuxcnc. Are there any recommendations on maybe some kits with all the power stuff (motors, power supplies, cables, etc,) that anybody

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread Bruce Layne
I've had good luck with the stepper kits for CNC conversion on eBay, from Wantai or Wantmotor or Longs Motors. These are Asian imports, but the quality is good. You get the stepper motors, motor drives, DC power supply to drive the motors and a parallel port card. You can buy kits with as

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread andy pugh
On 13 January 2016 at 16:09, Rick Lair wrote: > I have never dealt with stepper motors/drives and one of the guys at our > shop is kicking around converting and old 9x30 Southbend lathe to cnc > using Linuxcnc My Chinese 9x30 is OK on the X with a 2.5Nm stepepr but a bit

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread Karlsson & Wang
> Hey Guys, > > I have never dealt with stepper motors/drives and one of the guys at our > shop is kicking around converting and old 9x30 Southbend lathe to cnc > using Linuxcnc. Are there any recommendations on maybe some kits with > all the power stuff (motors, power supplies, cables, etc,)

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread Jon Elson
On 01/13/2016 10:09 AM, Rick Lair wrote: > Hey Guys, > > I have never dealt with stepper motors/drives and one of the guys at our > shop is kicking around converting and old 9x30 Southbend lathe to cnc > using Linuxcnc. Are there any recommendations on maybe some kits with > all the power stuff

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread John Dammeyer
al Message- > From: Rick Lair [mailto:r...@superiorroll.com] > Sent: January-13-16 8:10 AM > To: Emc Users > Subject: [Emc-users] Stepper Motors/Drives > > > Hey Guys, > > I have never dealt with stepper motors/drives and one of the guys at our > shop is kicking aro

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread Gene Heskett
On Wednesday 13 January 2016 11:34:04 andy pugh wrote: > On 13 January 2016 at 16:09, Rick Lair wrote: > > I have never dealt with stepper motors/drives and one of the guys at > > our shop is kicking around converting and old 9x30 Southbend lathe > > to cnc using Linuxcnc

Re: [Emc-users] Stepper Motors/Drives

2016-01-13 Thread Wayde Allen
A number of the motor manufacturers Galil, Kollmorgen, et al have motor sizing information information and tools on their web pages that may be useful. I just had to lookup the Kollmorgen page to make certain that I'd spelled that correctly so here is a link for them.

[Emc-users] stepper motors

2011-10-04 Thread Cristian Ruiz
hello people I have a problem with stepper motors do not rotate, oscillate and not where the problem is or where you set -- All the data continuously generated in your IT infrastructure contains a definitive record of

Re: [Emc-users] stepper motors

2011-10-04 Thread andy pugh
On 4 October 2011 17:06, Cristian Ruiz contacto_ru...@yahoo.com.ar wrote: hello people I have a problem with stepper motors do not rotate, oscillate and not where the problem is or where you set That may be due to the step and direction wires being reversed, or one of the phases being wired

Re: [Emc-users] stepper motors

2011-10-04 Thread gene heskett
On Tuesday, October 04, 2011 01:32:23 PM Cristian Ruiz did opine: hello people I have a problem with stepper motors do not rotate, oscillate and not where the problem is or where you set You are going to have to tell us more, like a description of your hardware etc. Cheers, Gene -- There

Re: [Emc-users] stepper motors

2011-10-04 Thread marc foster
Cristian, When I set up my machine I had the speeds and accelerations set too high and the motors would just oscillate because they were not able to overcome the inertia of the leadscrews. Do they behave the same way when not coupled to the machine? Just a guess. Need more info to really

[Emc-users] Stepper motors and Gecko's

2007-10-12 Thread Alfred Smart
I posted last week about steeper motors maybe week? So I thought I would follow up and ask some more questions. Anyway I was using terminal #7 on the gecko 210 tied to my estop to ground to disable the drive. This pulls the motor windings to zero, (gecko doc,s) I always wonder why the drives

Re: [Emc-users] Stepper motors and Gecko's

2007-10-12 Thread Jon Elson
Alfred Smart wrote: I posted last week about steeper motors maybe week? So I thought I would follow up and ask some more questions. Anyway I was using terminal #7 on the gecko 210 tied to my estop to ground to disable the drive. This pulls the motor windings to zero, (gecko doc,s) I always

[Emc-users] stepper motors?

2007-10-05 Thread Alfred Smart
I have 1980 vintage wells index knee mill, I have retro to emc2 from bandit using gecko's microstep 10x using original power supply 45vdc and 2 original motors and one that is newer but came with the machine. 2 sigma instruments and one rapidsyn dana, all are nema 42 The sigma's have no spec's

Re: [Emc-users] stepper motors?

2007-10-05 Thread John Kasunich
Stephen Wille Padnos wrote: Alfred Smart wrote: The gecko's are running wide open 7 amps, unipoler motors wired half winding. Are you sure those are unipolar motors? The geckos are bipolar drives, and I don't see how they could work with unipolar motors. Five wire unipolar motors