Re: [Emc-users] Any Interest or Ideas for a Linuxcnc Fest 2016 ?

2016-06-15 Thread Wayde Allen 
I'm in Boulder, and would be interested in this. Let's do it!
On Jun 15, 2016 8:29 AM, "Moses McKnight"  wrote:

> I'm definitely interested.  I could not make the one in TX, but I will try
> and
> make this one.  The time frame is fine with me as well.
>
> On 06/14/2016 03:24 PM, Stuart Stevenson wrote:
> > Gentlemen,
> > I have a 12 foot conference table and another long table in a large room.
> > We can easily seat 16-20 people.
> > Air conditioned and plenty of power and internet.
> > Any time would work but for playing in the shop and being cooler late
> > September or early October is probably the best time.
> > We can do it any date or I can set the date. Someone start the ball
> rolling.
> > I am about a mile from MPM so it is close to where it was before.
> >
> > 3434 West Harry is the address
> >
> >
> > On Tue, Jun 14, 2016 at 1:35 PM, Sebastian Kuzminsky 
> > wrote:
> >
> >> On 05/02/2016 12:17 PM, Stuart Stevenson wrote:
> >>> If there is no interest or opportunity somewhere else you are all
> welcome
> >>> here.
> >>> I am in a shop of my own now. It may not be as interesting.
> >>> I am no longer associated with MPM in Wichita, Kansas nor EMI in
> >> Eminence,
> >>> Missouri.
> >>>
> >>> I think sometime in the next few weeks or sometime early fall would be
> >> the
> >>> best time to be here.
> >>>
> >>> If we have interest shown we can set a date and let it happen.
> >>
> >> Thanks for the offer.  I think it's better than the offer I made on IRC
> >> for a meeting in Boulder, CO.
> >>
> >> Do you have something like the conference room at MPM, where we can all
> >> sit comfortably around a table with power and internet?  If so I think
> >> we'll gratefully accept your offer!
> >>
> >> Since the next few weeks came and went, we're looking at some time in
> >> early fall.  September?  October?  When works for everyone?
> >>
> >>
> >> --
> >> Sebastian Kuzminsky
> >>
> >>
> >>
> --
> >> What NetFlow Analyzer can do for you? Monitors network bandwidth and
> >> traffic
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> >> planning
> >> reports.
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> >> https://lists.sourceforge.net/lists/listinfo/emc-users
> >>
> >
> >
> >
>
>
> --
> What NetFlow Analyzer can do for you? Monitors network bandwidth and
> traffic
> patterns at an interface-level. Reveals which users, apps, and protocols
> are
> consuming the most bandwidth. Provides multi-vendor support for NetFlow,
> J-Flow, sFlow and other flows. Make informed decisions using capacity
> planning
> reports.
> http://pubads.g.doubleclick.net/gampad/clk?id=1444514421=/41014381
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[Emc-users] LinuxCNC for retrofit of Cincinnati Milacron CNC?

2016-01-13 Thread Wayde Allen 
I just joined the email list since I'm wondering about using Linux CNC to
retrofit the control system on an old Cincinnati/Milacron CNC system. The
motor control amplifier for these machines seems to be a Kollmorgen BDS4.
Has anyone here created an interface to one of these?

Is Linux CNC a decent option for replacing the old control computer on one
of these beasts for use in a low volume production environment?

-- 
- Wayde
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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.

http://www.kollmorgen.com/en-us/service-and-support/technical/technical-support/

OK, here's Galil's:

http://www.galil.com/learn/motorsizer

I've been working on retrofitting an old dish antenna system, see <
https://www.youtube.com/watch?v=HqAmpVnAuzE> with Galil products with good
luck. However, just for the record that is not using LinuxCNC.

- Wayde



On Wed, Jan 13, 2016 at 9:52 AM, Bruce Layne 
wrote:

> 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 many axes as you need, and whatever size stepper motors you
> need.  For the 9X30 lathe, I'd try to use medium to large sized NEMA 42
> motors.
>
> Try searching eBay for NEMA 42 kit.  Here's the first thing I found.
> You may want larger motors with more torque.
>
> www.ebay.com/itm/321370356701
>
> I always get the kit versions with one motor controller per axis, rather
> than a single board with all the motor drivers together. It's a bit more
> device mounting and wiring, but I like the modularity.  I've never blown
> up a stepper driver, but I want to be able to quickly replace a single
> driver and get back to business.
>
> Speaking of downtime and replacement parts Most times, I'll buy a
> kit with one more axis than I need, so I have spare parts.  Many times,
> I'll install the extra motor driver in the electrical panel. It's hard
> to lose the spare that way, and it's awfully handy a year later when I
> decide I want a 4th axis on a mill or a homemade bar feeder on a lathe.
>
> For stepper motor CNC conversions, I've always found the parallel port
> I/O to be good enough, fairly easy and inexpensive.  Mostly, I keep
> doing what I know how to do.  However, a good case could be made that a
> PCI card for I/O and motion control is much nicer and only a little more
> expensive.
>
>
>
> Chatty Post Ramble:
> I'm heading back into CNC mode myself.  I have a few unfinished CNC
> projects to wrap up, but I suddenly developed a business need that is
> pushing the 24"X24" CNC router ahead of the partially finished
> projects.  I have a new product that requires me to machine ABS plastic
> shells from 24" square sheets and... this is the geeky cool part... use
> the CNC router to 3D print RTV silicone like a low resolution 3D
> printer.  The prototyping looks promising.  I'll post a video when I get
> it working, probably in a month or two.  Today's project - I have 150
> lithium batteries arriving for the electric bike I'm building.  Perfect
> e-bike timing.  It's 12 F outside. #GeekLife
>
>
>
> On 01/13/2016 11:09 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 (motors, power supplies, cables, etc,) that anybody
> > recommends. I am up in the air on the control hardware, but I can handle
> > that, I just don't know where to start on sizing/selecting the stepper
> > stuff.
> >
> >
>
>
>
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