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I'm looking for a source of planetary reduction gears to attach to my motors so as to increase torque and resolution (say 5:1 to 100:1 range). The only ones I know of are from Pittman

Dan, I too am planning on purchasing 3 of your controllers for my Shoptask. Would it be asking too much to get you to keep the folks on this list updated as to the expected ship date? I very much

http://udel.edu/~jgephart/fun2.htm Greg Nuspel Home Page http://members.home.com/gregsdiversions Clubs Page http://www.cadvision.com/crcss

Been there and done that last week. Future doesn't have them in stock and doesn't even have a delivery date. I will try calling sweden tonight in hope of foinding them in europe. Dan

Hi Dan, I noticed it said one your web page you can't get the ic pbl3776. I was interest in purchasing you product so I thought I would check this out, here is what I found. Ericsson has sold this

Steve Carlisle wrote: SGS-Thomsom (ST Micro) also has an integrated Step & Direction 2 Amp/phase full/half stepping GSD200 module available at www.arrow.com for less than USD$50. You need 3 modules

Murray, ST has a great assortment of IC's, and alot of motor control chips. It has been my experience that unless all the ducumentation that you will need is on the website, and you will not need any

Hello: 1) On the topic of higher current stepper drivers, ST has a 'fully protected' 14 A H-bridge IC (for bipolar operation), VN771P. It's not a single-chip solution, and unfortunately for casual

In a message dated 4/29/00 1:16:04 AM Eastern Daylight Time, mnels@... writes: << any cost effective alternatives to the L297/L298? >> Best I can come up with is the Ericsson chipset. They

wrote: stepper. They look like great parts but are only available in surface mount packages which makes them rather difficult to use for the hobbyist. Does anyone know of any cost effective

considering There is a company called Brecoflex that offers belting in continuous lengths. While there are probably many reasons not to use ballscrews for plasma cutting, this idea may apply to other

Have to click on it to delete it!!!

Hi Rich, I have no doubt that someone here will disagree with my thoughts on this. This is as it should be for with agreement there is no discussion. I am also embarking on this route. My miller is

Ha, shame on you! You are not listen to me on subject! :)

D-shackles, I believe is what he is looking for, McMaster-Carr has them as well as some large home-repair stores

I'm using 1150 in-lb motors at 1000 steps per rev, driven by 72V, 10A microstepping drivers. My drivers scale the current with the pulse rate. The machine is a big knee mill. I started with 1:1

Allegro ( www.allegromicro.com ) has some new chips for driving stepper. The A3971SLB dual will drive 2.5 amps each bridge. Jim

On my X and Y axis of my SHoptask I am using 550 in/oz 200 step/rev motors. They are driven in 1/2 step mode through a 2:1 reduction belt drive and are turning some 5 tpi ball screws. This works out

You can get chain with all kinds of special thingies (pardon the hi-tech jargon :-)) attached to it. Check out a Morse catalog for examples. Bill Martin Jacob Saunders wrote: