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Messages - PW8697

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41
Thank you garyhlucas,

This issue has been reported then, cool.  What has Airsoft done about it?  Not really sure how things are reported but I can resubmit this issue to them, contact tech support, whatnot. 

Thanks for your reply. 

42
Hey everyone. 

Having an issue with shift key unpredictability.  We use a laser cutting/ablating PCB's and the table is controlled by Mach3.  Often times I will slow the jog down to say >5% as in the attached pic.  I can then use then use the keyboard to jog around slowly and do some very minor cleanup.  Hitting the shift key + arrow allows 100% jog as we all know, allowing me to get to another position.  Simultaneously, the yellow "LED" beside the Jog Mode button will light.  Then after getting into position, just pressing an arrow key will allow to return to slow jog and allow us to again, trim with the laser.   THE PROBLEM....sometimes, say 5% of the time, the shift function does not disengage and 100% speed is still engaged even when only pressing an arrow key.  Is this a known issue with a fix for this shift key issue?  This "feature" has destroyed several parts, and shouldn't warrant having to look at the LED beside the Jog Mode button to confirm that the shift key is disengaged when it isn't being pressed.  This is not a windows sticky key function, nor is it the key sticking on the keyboard.  Two shift keys on two different keyboards and they never stick when doing regular typing as it hasn't typing this note.  Thanks for your help. 

43
General Mach Discussion / Feed hold circle
« on: December 19, 2014, 09:09:21 AM »
HI all.  Running a laser with Mach3.  Yesterday I was cutting a PCB and hit feed hold to check something with the laser.  Mach3 stopped as it should, I did my checks and then hit Start.  As soon as I hit start, Mach3 reversed, then did a big circle on the PCB, circling back to the starting point then continued on as normal.  Needless to say, a ton of money went down the drain. 

I've used Feed Hold before with no issues.  Do I need to restart, reboot each time I use Mach3?  Any idea?

Thanks,  Pete

44
VB and the development of wizards / Mach 3 Controlling Laser
« on: August 22, 2014, 05:24:40 PM »
Hey all, probably broke a cardinal rule reposting this to here so forgive me.  In my haste, I didn't find this forum heading until after I had posted this originally, think this topic has more to do with the software than anything.....

Anyway,

We have an XYZ table controlled with Mach 3, thru a Leafboy77 USB interface board to 3 Novanic 2M656 Stepper Controllers.  Then...we have a Bright Solutions laser with the Cambridge Technology SC500 scanner controller card driven with Scanmaster Controller software, all this attached to the XYZ table.

Main question is, since both programs are written with Visual Basic, can the Mach3 Cycle Start button be programmed to also activate the Start button in Scanmaster Controller?  As well as other buttons?

The idea is to use the Scanmaster Controller software to build a tool.  Say a .004 end mill.  Then use Mach 3 to run that tool upon clicking the Cycle Start button and have it run it's Gcode and then when M5 occurs the table and laser will stop. 

I haven't tackled learning VB but this might be the plunge. 

Thanks. 
 

 
 
 

45
General Mach Discussion / Re: G28 G91 Z0.
« on: March 27, 2014, 09:15:26 PM »
Hey all,

Think I got everything figured out and got everything working without unexpected moves and crashes. 

Snippets from each posting in this subject led me to a workaround.  I couldn't figure out how to set Machine coordinates in Mach3 so I jogged everything over to the back left corner of the table and put Z all the way up.  Then unplugged each motor and then went back to Mach3 and let the whole program I posted portions of, run completely.  Machine coordinates then where 0 for all three axis at the end of the program and then I powered up the steppers, jogged back to the center front of the table, reset 0 in the DRO's and then ran the program again.  It ran the program fine to completion, then homed to the back left corner. 

May not have been the correct way to do it but I think it will now work fine with whatever program I post. 



46
General Mach Discussion / Re: G28 G91 Z0.
« on: March 27, 2014, 12:23:03 PM »
Adding to the notes...

Just unplugged the Z motor and let Mach3 run the program.  On the G28 G91 Z0. line, the DRO for Z went to -0.9167, stopped descending and then the program went on to the next line and continued.  

Hmmm,  what the heck is up?

Pete

47
General Mach Discussion / Re: G28 G91 Z0.
« on: March 27, 2014, 12:08:15 PM »
Thanks guys for the input.

I don't have home enabled in ports and pins.  Would assume that if home was attempted by a program then nothing would happen other than z coming up to zero after rapid or initial plane and after it was complete doing the task at hand. 

Sorry magicniner, no light shed on the issue.  I also am not setting a tool length or offsets of any sort.  Running it bare bones and have had great success except for the G28 G91 Z0. line issue. 

Also noticed in Motor Home/Soft limits I have all red X's and the G28 block has 0 listed for all axis's, again, assume everything would go zero, specifically Z, instead of ramming headlong into the work. 

Thanks all,

Pete

48
General Mach Discussion / G28 G91 Z0.
« on: March 27, 2014, 10:32:22 AM »
Hi everyone.  I have a concern with an HSMWorks generated Gcode program running in Mach 3 a portion posted here....

(BORE 0.050 HOLE 0.076 DP)
(T2  D=0.0394 CR=0. - ZMIN=-0.076 - FLAT END MILL)
G90 G94 G40 G49 G17
G20
G28 G91 Z0.
G90

(BORE1)
M5   
.....and on to the rest of the program.

The dilemma I'm having is that Z wants to go full speed all the way down to the limit switch, no matter what is in the way, i.e. tool, material, vice, whatever.  CRASH.  I assumed that with the Z0. in the line, it would stop Z at 0 relative to the DRO, instead, it bypasses 0 and goes completely negative to the limit switch.

I really don't want to have to edit out the G28 line every time I receive a program to run.  But doing so with this program, it runs fine. 

(Side note, also noted that in the GCode glossary in Mach3, it says not to have G28 G91 on the same line......?????  Why not???)

I am not familiar with HSMWorks to know if this can be preselected not to post this line in the program, so if that is an option, someone please let me know.  Also, if there is a setting within Mach 3 that needs to be configured, please let me know as well.  It is the dilemma of the day, and hope to get it figured out. 

Thanks, Pete.

49
General Mach Discussion / Re: Probing around a pin to find center
« on: March 24, 2014, 02:25:45 PM »
Thanks JohnHaine,

I've tried "Lautard's Maneuver" only by sight, but not electrically, no repeatable or consistent successes.  Considered just using a multimeter to tone when contact was made.  At this scale doing it by sight is nearly impossible and the problems with both are the jogging to the pin and what is contact and what is a "crash", unperceivable at these small scales.  Jogging would have to be very slow or if done electrically by the PC, would be faster, no human delay or skittishness involved.   

I am unfamiliar with how to program something for Mach 3.   So far to do the autotool zero, works great, but to be able to do it for the other axis, I am not sure yet. 

Pete

50
General Mach Discussion / Re: Probing around a pin to find center
« on: March 24, 2014, 09:11:56 AM »
Hey Rich, thanks for your info,

I don't have access to a lathe and that would probably make things a little easier, but would still have the issue of getting exact center of the pin I would think.  I have been able to drill with my mill fine by keeping the feed rates super slow, about .1" a minute.  Am using a pencil grinder as my motor, some 40-50000 rpm I suspect per the manual.  Loud but works fine. 

Still hoping I can get some help with probing x and y from four directions, working similar to how Autoleveller does with Z.

Thanks, 

Pete

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