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Messages - comet

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131
General Mach Discussion / Re: ATC set up on milling machine?
« on: November 18, 2012, 11:44:24 AM »
seem to get a "unknown word where unary operation could be"
Also if I enable homing on a it justs spins and dosnt stop like xyz do on 0.00 ?

132
General Mach Discussion / Re: ATC set up on milling machine?
« on: November 18, 2012, 10:37:08 AM »
OK have got the script working as downloaded,but if I change the tool no position from x-y to A (rotary) the rotary dosnt move? am I missing something?

133
General Mach Discussion / Re: ATC set up on milling machine?
« on: November 18, 2012, 09:25:21 AM »
Ive unzipped the macro now where do I put it in the software?

134
General Mach Discussion / Re: ATC set up on milling machine?
« on: November 18, 2012, 09:00:24 AM »
Great thats a good start.
  so Im assuming I can change the tool positions to an absolute  degree on a rotary axis to be the carousel ?
I would initially have to put another output signal into the code to pivot the mechanism into position under the spindle how do I do that?
Just write a similar line of code to the draw bar code with a differant output pin?

that should get me a basic non spindle indexed ATC?

135
General Mach Discussion / ATC set up on milling machine?
« on: November 18, 2012, 06:53:57 AM »
I would like to build a 6 or 8 tool carousel ATC for my cnc'd BF 30.
  Fairly certain that to begin with ill use a torrmach/Hoss type gripping assembly (20 mm dia) that might be dogged for drive. But will be moving on to bt30 dogged in stage 2.
So I will need to know about indexing the spindle (maybe a opto sensed and a bicycle hydraulic disk brake actuated by air)?
Firstly what is the preferred method for the auto draw bar? belleville washers,air wrench,stepper motored I'm guessing ill need 2500kn for an un dogged and 1200 kn for a dogged?
   I have aquired a mitsubushi PLC if that is the way to go.
Mechanically/ electronics/pneumatics  im ok with building the mechanism, its the software side im going to struggle on.
Is there a definitive methodology on controlling an ATC from mach3?
 I do have friends that are wizz's at industrial control software but non have had anything to do with mach3.
Is there a Tutorial on the subject to get me started?

   Regards
      Tony


136
General Mach Discussion / usb interface
« on: November 13, 2012, 10:13:34 AM »

hi,
   has anybody tried one of these? they seem very well specked and competitively priced,but do they work??

http://www.ebay.co.uk/itm/CNC-4-axis-CNC-USB-Interface-Breakout-Card-Mach3-for-Router-Mill-Machine-/261082603801?pt=UK_BOI_Industrial_Automation_Control_ET&hash=item3cc9bc6119


Tony

137
General Mach Discussion / Re: touch screens
« on: May 13, 2012, 01:40:06 PM »
cheers, ok so is there a minimum size onscreen button like say 12mm square?I could use a mixture of touch screen for the important comands and the mouse/touch pad for the not so often used commands?
  Tony

138
General Mach Discussion / Re: touch screens
« on: May 13, 2012, 01:18:11 PM »
Thanks for quick reply - proper screenset? what does that mean? i make my own screensets will i not be able to use them or is it a matter of enlarging/simplifying buttons?

139
General Mach Discussion / touch screens
« on: May 13, 2012, 01:05:17 PM »
Hi,
 im finally getting fed up of using a mouse with mach3,you can now get second hand 15" touchscreen monitors for reasonable money off ebay.
Is there any thing I should be aware of,any hints/tips problems?
  regards
   Tony

140
General Mach Discussion / Re: max power from vfd
« on: April 01, 2012, 11:17:11 AM »
right, so I will be able to use the highest feed rate with the spindle motor running at its design frequency,50hrtz.

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