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You're assuming it's a real error, but you're wrong. When you have a SmoothStepper, it handles all the spindle PWM, so the fact that Mach3 is complaining about it not having pins assigned is...

Ok, the part I didn't understand was that the SS had 2 parallel ports. (The "draft" manual for it hasn't ever been updated since it was made in 2009, and the only way you'd really know that from it...

I just added a PWM spindle to my machine (Mach3 > SmoothStepper USB > Gecko G540). Now it runs, but with some very odd symptoms:


The spindle gets up to speed quickly (1sec?), but then slowly...

I have a SmoothStepper connected to a G540, using the G540 standard XML.

When I load Mach3, I get the error "spindle-axis dir port = 0, dir pin = 0. valid pin values are 1, 2, 3, 4..."

I don't...

You think it's a constant velocity problem? Are you wanting me to try turning CV off to test if it's the cause, or are you suggesting to run the models completely with CV off?

I'd like to better...

A little more info...

It definitely has something to do with the feedrate clashing with Mach3. I ran the same program a couple more times, and full speed, and every time it would cut those...

I am machining a 3D model of geographical terrain, and it completes nearly the entire model with a top-to-bottom equidistant offset toolpath, then on the very last couple passes around the base of...

It's amazing that BobCAD can call itself "professional" software without such an obvious feature. Do "professionals" not use these bits ever? If not, why?

Cool! Thanks for the help.

So what is a "c endmill" anyways? I couldn't find anything from a google search.

Hmm, ok. Then why do they make these kind of bits? So that you can fit a smaller-tipped bit in a larger/stronger shank/collet?

Regardless, any idea how to enter these bits into BobCAD? Other...

http://cuttingtoolsource.com/cart/images/bittapball.gif
I have a tapered ball end mill, used for 3D milling. I can't figure out how to add it to BobCAD v24's tool list. I see no options for taper...

(I couldn't find any rules against posting this, so I hope not to step on anyone's toes.)

http://www.hightechdiy.com/images/stories/SpartanProjectLogo-square.png

The Spartan Project has been...

Thanks. Glad to hear you got power back!

Is anyone else unable to get to BobCAD's website, or call their phone number (877-262-2231), today?

Anybody know what's going on?

In my opinion this is completely false.
The technical information for all the parts is listed on the website. Some of it is a bit buried, but it's all there. He's using all beefy components, more...