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### Messages - moxy

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11
##### General Mach Discussion / Re: calibrating
« on: February 14, 2011, 03:03:19 PM »
Many thanks Jeff, I will give it a try.
best regards
Les

12
##### General Mach Discussion / calibrating
« on: February 14, 2011, 02:50:49 PM »
Hello all, I am trying to calibrate my dividing head (rotary axis) and am having the following problem. I am using the set steps utility in the settings screen and when I set the amount of degrees I want the divhead to turn a weird thing happens. If I set 360 degrees no movement occurs. If I set 359 degrees it moves 1 degree in the opposite direction. The position is correct but the stupid thing took a shortcut! If I set 330 degrees it goes 30 degrees the other way. Am I doing something completely dumb or should I operate the thing via a mirror (lol) Any ideas?

Les

13
##### General Mach Discussion / Re: Timing pulleys
« on: August 03, 2008, 04:47:36 PM »
Hi Overloaded, Many thanks for your info, it has sorted out my frustrations no end.
best regards
Les

14
##### General Mach Discussion / Timing pulleys
« on: August 03, 2008, 12:46:45 PM »
Hi Guys, can anyone help with info on timing pulley dimensions? I need to make some 3mm pitch pulleys and the maths is driving me nuts! If you multiply the number of teeth of your pulley by 3 (pitch) you get the circumference and from there you can calculate the diameter. So far so good. When you cut the pulley the pitch is too coarse. Not good! I have some commercially made pulleys and measured them and the diameter of a 13 tooth comes out at 11.6 mm and the calculated diam is about .8 mm bigger. This is unfortunately not a constant and will increase with larger pulleys.(i think!)
Any suggestions
Les

15
##### General Mach Discussion / Re: gcode
« on: May 07, 2008, 02:34:23 AM »
Hi Guys, further surfing on the net has found a free download which does the job perfectly. Search for PCB-GCODE and you will get to the site. it creates code for both sides of the board and a drill file.
many thanks
Les

16
##### General Mach Discussion / Re: gcode
« on: May 04, 2008, 04:22:34 AM »
Hi All, Thanks for the replies. I persevered with eagle and found that you can run a program called mill-outlines.ulp which does the job. It can then be saved as filename.plt. I still have to play about with it further to see what final results I get.
Many thanks
Les

17
##### General Mach Discussion / gcode
« on: May 03, 2008, 04:26:56 PM »
Hi all, I'm using Eagle pcb to design (guess what!) pcbs and would dearly like to know how to convert my hard work into a gcode file. Any help will be much appreciated.
Many thanks
Les

18
##### General Mach Discussion / Re: Need Answers!!!!
« on: November 22, 2007, 04:38:47 PM »
Hi Pumpa, from what you say I think that you have your caps in the wrong place. Your toroid output should first go to the rectifier and the caps are wired across the resulting dc voltage. Be careful that you get the polarity of the caps right or you will have a bad smell in your workshop and a lot of cap innards all over the place. I'm surprised that the caps never blew anyway because they really don't like ac power.

Good luck
Les

19
##### General Mach Discussion / error code
« on: November 21, 2007, 03:31:48 PM »
Hi everyone, I have just loaded ver 3.60 and was using the gear cutting wizard. The job was running fine but during the run a popup appeared ststing that an error ,art code 3336 had occurred and did I want to try and repair it. If yes is selected, nothing happens....the job keeps on running to the end. If no, then Mach is immediately terminated. Anybody seen this?

Best regards
Les

20
##### General Mach Discussion / Re: Z Axis motor skipping
« on: November 13, 2007, 08:27:06 AM »
Hi Edmond, Try swapping your x axis input with the z axis input(to your hobbycnc board) I f the z axis still skips then it's your hobby board otherwise it's the pc. I suspect that the optoisolator for the z axis might be marginal and is triggering randomly.
Regards
Les

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