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Messages - dfurlano

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201
General Mach Discussion / Re: Interesting problems.
« on: December 17, 2006, 10:46:36 PM »
I'll try the latest over the next few days.  I have to get a few pieces done asap.

Thanks.

Dan.

202
General Mach Discussion / Re: Interesting problems.
« on: December 17, 2006, 09:43:33 PM »
I tried 2.xx and had problems with the a axis going out of control.  So I reverted to 1.9.

Thanks.

Dan.

203
General Mach Discussion / Interesting problems.
« on: December 17, 2006, 08:58:45 PM »
I machined this clip today and I had all kinds of trouble.  I had issues with radius' not being aligned although I could find anything wrong.  I had an error that the comp was too complex, that was a new one I had to shut down Mach3 and restart.  I had the program stop mid way and display an error about not allowing jogging or incrementing??? I have no idea what that meant.  I had to shut down at least 5 times before I could get this done.  At one point I wanted to zero the x-y before shutting down and every time I typed in g0 x0 both x and y axis would move!  I could not get the x and y axis to zero using the MDI command line I had to jog to as close as I could get and zero the axis.

What a day.  Anyhow here is a photo of it completed and the gcode.  I used a .093" square endmill and v1.90.081




204
General Mach Discussion / Re: ShuttlePro Questions too
« on: December 14, 2006, 10:55:19 PM »
Mine does that also, Brian had explained how it worked before maybe try a search under shuttlepro.

Dan.

205
General Mach Discussion / Re: Rotary Axis Problems
« on: December 12, 2006, 07:03:55 PM »
No I did not try the checkbox... to be honest I wasn't sure where it was.

Thanks for all the suggestions.

Dan.

206
General Mach Discussion / Re: Rotary Axis Problems
« on: December 12, 2006, 06:32:38 PM »
I reverted back to 1.9.014 and everything works fine.

207
General Mach Discussion / Re: Rotary Axis Problems
« on: December 12, 2006, 05:17:23 PM »
Ok, I think I figured out a problem.  Although I am still not sure if I am causing it.

I added a feed rate of 3 to the file (f3) only once at the beginning.  I also have "use diameter for feedrate" selected in the toolpath configuration.

When I rapid the A axis with either a G0 A0 move in the MDI screen or use the A axis button in the MPG window or my shuttle dial I get about 300 as a reading. 

When the program is running I get about less then 50 as a reading.  About line 486 there is a big G0 A axis move from about 20 degrees to 120 degrees (about).  The A axis accelerates so fast - above 1200 - the motor totally loses position.

So my question is why does it go so fast?   I tried turning down the tuning but then the motor turns so slow during G1 moves it would take days to run the file. Or maybe I do not have the tuning set correctly?  The other option is I turn the "use diameter as feedrate" off but again there is a huge difference in speeds between a G1 and G0 move.

Am I doing something wrong?  This was a problem a long time ago but with version 1.84 it ran very smooth with the existing tuning.

?????

Dan.

208
General Mach Discussion / Re: Rotary Axis Problems
« on: December 12, 2006, 03:41:48 PM »
Yeah I usually add the feed rate but forgot.  I take a picture in a bit.

Here is the dxf file.

Thanks.

Dan.

209
General Mach Discussion / Rotary Axis Problems
« on: December 12, 2006, 02:45:47 PM »
Well here I go again.  Not sure if I am doing something wrong but I thought i would throw this out there for ppl to look at.

The design says "Carla & Dan" along the top and "10 Years" along the bottom.

I have a file that cuts a design on a .770 diameter tube using the A and X axis.  I set up the A rotary Diameter and configured the toolpath with x as the rotary axis.  So far so good.  I import the gcode and it looks reasonable.  The only minor problem that has existed for many revisions is that the image the toolpath displays is wrapped around the axis backwards.  But when it cuts it comes out correctly.  So ignore that problem.

When I cut the part it came out totally wrong.  The "&" was all the way to the left of the text and "CarlaDan" was crowded together as in the quotes. 

The "10 Years" was way off center to the top text and jammed together overwriting the "0" and "Y" and the rest of the letters just crowded together. 

My first thought was that I was loosing steps.  But the letters look very consistent although crowded.  If I was loosing steps I thought it would be more exaggerated.

Anyhow here is the gcode if you care to look.

Thanks.

Dan.

210
General Mach Discussion / Re: Shuttle question
« on: December 11, 2006, 08:49:34 PM »
Still does not work even after I fixed the other issues.

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