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Topics - johnnydoughey

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Share Your GCode / G code for slowing Z axis
« on: January 07, 2013, 05:33:08 AM »
I  came up with a device for finding the surface height of my material (when bit touches a 1" magnet, it turns on a light).  I've been looking for a gcode which I can use to have the bit "SLOWLY"drop until it touches the magnet.  I could then use the g00z-1.00 to place the bit on the material surface.  What would the code be for ensuring the z goes slow enough to allow me to hit the stop button?
Thanks in advance for the help...
Bill McGuire

G-Code, CAD, and CAM discussions / Splitting sessions
« on: December 30, 2011, 08:03:48 PM »
I've been attempting to split long jobs (8-15 hrs) into smaller segments and have attempted to use pause and stop, but have little success rstarting at the correct place.  I've read that an M1 insertion might work.
My question: What is this instruction code and has anyone been successful using it?
Thanks much

General Mach Discussion / multiple sessions
« on: May 08, 2011, 01:25:49 AM »
I am attempting to split up my work sessions (some are 12 hours in length).
The way I will attempt this is:

1.    Hit stop button
2.    Write down the line number
3.    Raise the Z height to clear the workpiece (.25 inch)
4.    Push go to zero button.
5.    Turn off machine
When starting back up, I will insert some g code in front of  the line I will be starting from (one line before the one I stopped on).
My initial starting g code steps will need to raise the z axis up .5 inches, then start my router, then go to where the job starts.
My question is this:
Which lines in my following g code will be needed for the resume code.... and will it work this way?
(Mach2/3 Postprocessor)
N20G00G20G17G20G90G40G49G80     (I could not even venture a guess as to what this is for)

The code then goes on to run the cutting directions.  I know what the xyz numbers are, but what are the T,H, and F numbers, and how would I go about adding them in front of the existing code when restarting?
Thanks much for your help...

G-Code, CAD, and CAM discussions / Splitting time... and g-code
« on: October 06, 2010, 09:04:12 PM »
I've been doing some longer projects (14, 15 hours) and would like to split the jobs into reasonable segments of time.
Has Mach 3 (or knowlegeable folk in the forum) come up with a way to stop a job and continue later... or perhaps split sections of g-code?  If so, is there a video or PDF explaining this?  I've looked in my original info and can find none, and although there is a "stop" on one of the screens, I cannot figure out how to turn it off and come back later...
Thanks much for the help...

General Mach Discussion / Reinstalling with saved settings
« on: December 12, 2009, 02:51:57 AM »
Could someone please point me to the instructions for reinstalling Mach 3 and at the same time, reloading the motor speeds, axis, etc. along with the customized screen (these items are saved on a jumpdrive, but are having trouble doing a reinstall and license and at the same time using the settings saved.
Thanks much

General Mach Discussion / Stopping and resuming
« on: July 06, 2009, 08:36:27 PM »
I am doing a larger job than expected, and have had to stop the work after 2 hours.  I hope I didn't make a mistake, but I had the router return to 0,0,0 after writing down the line it was on.  On my machine, the router does not come on until the Mach3 program begins. 

My question is... if I input the line number on the screen, and push "run from here, will the router come on and start back where it left off?
My hunch is that it will, but I would hate to ruin this piece of work.  My other option is to just rerun the entire piece from the beginning.

Thanks much for your help...

General Mach Discussion / programmable positions
« on: June 22, 2009, 10:25:28 PM »
I've been using Mach3 for some time now and have yet to discover an easy way to get back to 0,0,0 ( or predetermined location) after going to another location.  So far, I just use the keys and start tapping  as light as I can until I get it close to the marks.  Is there a button or input area which will allow me to do this easier, without resorting to proximity switches?

Thanks much

General Mach Discussion / Mirror Image
« on: January 19, 2009, 05:47:25 PM »
I've cut my 1st piece after being certain everything would be perfect...

I now have a perfect mirror image of my name engraved in MDF. :)

The mirror image is from the Y axis.  Rather than changing my Y motor leads, I was wondering if there was a Mach3 setting which would solve this problem?

Also, when I jog using the keyboard, I would like to have it jog slower than it does so I can get closer to the my starting point for my gcodes. Any suggestions?

Thanks much...

General Mach Discussion / Switching Axis
« on: January 13, 2009, 01:41:05 AM »
Is there a simple way to change the axis and cutting view in Mach3?

The directions do not match the actual machine directions and I would prefer  changing the screen rather than switching driver connections...
Thanks in advance...

General Mach Discussion / Reinstalling
« on: December 30, 2008, 12:28:13 AM »
I am unable to get Mach3 to operate the motors and am worried that I may not have installed the driver, or corrupted the program or....

When reinstalling Mach3, do I need to do any uninstalling or anything?  Or do I just install the program and check the install driver box?

Thanks much...

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