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Thanks all, It's a little clearer now, the conversion of a vfd to flex-drive sounds interresting, hope to try it some day. Thanks Hugo for all speed to induce not very motor) the motors! The

Hi everybody, I am in the finishing/debugging stages of a 3 axis stepper controller/ G-Code interpreter. The missing part is how to handle endswitches. My assumption is that hitting an endswitch

requirements for X & Y are pretty much the same. You hear all the yak about not being able to machine manually when you have ball screws. I have ballscrews on my Shoptask and it machines manually

Hi Rick, Could you possibly describe some of the menu interactions? I like to run MDI commands, and with logging on, I get a program I can run again. I was thinking about adding a menu for arcs,

On a Shoptask you need the largest motor on the Z axis. The requirements for X & Y are pretty much the same. You hear all the yak about not being able to machine manually when you have ball screws. I

I am considering discontinuing the Mauch/Kulaga DRO printed circuit board for two reasons. Sales have been slow. Only 35 in 1 year and it was made for a rapidly disappearing ISA slot. I have one good

I have a question,about the Indramat motors. About 4 years ago where I worked we had a problem with Indramat motors dieing for "unknown" reasons. Bosch never gave a good answer to us either. Any

Well, I just did what I've been telling myself that I have to stop doing....spend more money on this recent CNC infatuation. I just scored (2) Triple Stack Slo-Syn Nema 34 550 oz-in steppers for

Peter Seddon wrote: No, the newest servo drives are, indeed, using AC induction motors! The reason is that an induction motor can run much hotter than the permanent magnets could stand. They are

al5502 wrote: We go through this every 6 months or so. It looks neat at first glance, and if you have lots of hydraulic gear around, might even be affordable. Proportional (Moog) valves are REALLY

gittt2000 wrote: Well, this is the problem when an industry uses incorrect terminology for so l

Usually the endswitch contact disables motion in that direction but leaves the remaining direction and all other axes active. That way you can back it off and remediate. You may choose to include an

Depending on what you want to do http://www.linuxplc.org/ might be of interest to you. From their page: This is a project to create and distribute a PLC-like program for Linux (PLC = Programmable

<snip> Don't ask? Now you have us on the edge of our seats! What are planning to do with that 5th axis? We won't tell anyone :-) Wayne

Chevailer CNCs with ball screws give you a manual option that completely disables the drives. And though I said it before, the only grab and slam I ever had was on a manual machine with Acmes. The

Of course not. But don't you then use up more CPU time calculating? IE, either you compute all the arcs regardless of size or you compute fewer arcs depending on the smaller radii on some parts, which

Hi Hoyt I can see the "inherent differences in accuracy" issue but let me pose a question based on the assumption that we build Fred's 12" square prototype. In order to do this we would need a 17

Bill/Group, What do you mean by conversational CNC? Conversational CAM where you're prompted for parameters? Or, conversational CNC controls, where the programming is done at the machine? The

Doug more details please.........................Give a bit more detail on how everything is set up and how the machine knows where to do the canned cycle. There has been very little detail given

for all That's the only conclusion I can come to. Yes, and being smaller diamter, lighter and longer means it's much lower inertia. Also means that if you drive the input shaft with no power to