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Messages - Picengraver

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1
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: April 10, 2019, 08:47:40 AM »
For those of you interested in laser diode engraving gray scale photos with Mach3, this video was done several years ago.   Uses hardware (a digital to analog controller) to generate an analog control voltage from Mach3's Z axis output.
https://www.youtube.com/watch?time_continue=9&v=LlDgTUm8Fi0

2
General Mach Discussion / Re: Jeff Woodcock
« on: February 28, 2019, 01:31:07 PM »
Thank you , Tweakie.
All the best, John

3
General Mach Discussion / Jeff Woodcock
« on: February 22, 2019, 06:01:13 AM »
It is with a very heavy heart that I inform you that Jeff Woodcock (PicEngrave.com) passed away suddenly yesterday afternoon late from a sudden heart attack.
   

4
Hi Picengraver,
is the code in the link you posted a great deal different to the visual display already offered by Mach with the displayed boundaries.

I note that the code uses the pound variables generated by Mach corresponding to the max XY extents of the part program. It uses these
extents to move the tool in a rectangular fashion, it does not trace the outline of the part but rather the rectangle which contains it. If the
part is within the boundaries the toolpath will complete but if not then the path will fail softlimits if active or Estop when hard limits are
encountered.

Why?

Craig

Sorry, but not my code.  Easy to try the example on your machine I think.

6
General Mach Discussion / Re: So long Gentlemen
« on: March 01, 2016, 04:04:46 AM »
Sad to read.  :( :( :(

7
General Mach Discussion / Re: Configure ttl output for laser diode driver.
« on: September 27, 2015, 08:16:17 PM »
I am unaware of any who have managed to get Mach3 spindle command to work with lasers smoothly.   That's why some of us are using other methods.

You might try searching this thread for more insight (sorry, but it is a big thread): http://www.machsupport.com/forum/index.php/topic,12444.0.html

John

8
General Mach Discussion / Re: Configure ttl output for laser diode driver.
« on: September 27, 2015, 07:31:44 AM »
I'm not sure what you mean by "isolated," but you might look at this: http://jtechphotonics.com/?s=DAC
It is a new offering, and will work with your Simpledrive driver.  Analog control is far better than using TTL, IMHO.

I use the C axis to drive an early version of this DAC from my ESS.

John

9
General Mach Discussion / Re: 4th axis setup in mach3
« on: February 04, 2015, 03:03:40 PM »
In Config>Toolpath, make sure A-Rotations Enabled is selected also.
John

10
General Mach Discussion / Re: 4th axis setup in mach3
« on: February 04, 2015, 02:42:55 PM »
I think you also have to set the Rotation Radius in the Settings Tab.  It's been over a year since I used it, so there may be another setting I also used.
John Champlain

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