Topics

1

Newfangled Solutions Mach3 Wizards / Homing - switch lights up but won't stop movement

« on: October 01, 2017, 08:04:13 AM »

I have a problem with my homing of X/Y axes.  I have the NC switches in series for each axis to 10,11,12.  When I home X or Y they blow through the switch even though it lights up.  The switches work as limit switches by stopping the travel in X/Y.  Soft limit is off, but I do have them 36/0 and 30/0 NEG.  I even unchecked X/Y for limit switches and left as homing only & still won't stop movement.  It's like the switches become inactive when used as homing switches even though they light up.  The weird thing is that Z works fine!  I thought I'd tried every combination over the last couple of days, but I just can't figure it out.  Any suggestions?

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G-Code, CAD, and CAM discussions / Sudden wild axis movements during program run

« on: July 08, 2014, 11:34:59 PM »

I am suddenly having X-Axis missed steps issues.  I tore down the X-Axis to check for problems, I swapped stepper motors, I changed outputs between X & Y axes on BOB, but it still misses steps on the return to zero.  I slowed the motor tuning settings to 100 ipm.  I lowered acceleration to 5.  I turned off tool path view.   I changed the parallel cable.  I tightened all screws on electronics.  I am rastering a 6"x26" dome-shaped object and it started missing steps on the return leg towards zero on every pass - thus making a parallelagram.  Then it would go fine for 15 minutes & suddenly loose a bunch of steps and be off by 1-2 inches as if a lot of skipped steps.  I have been repeating the same program dozens of times, & it fails in different spots each time now.  The last time it was on the return leg to zero on X when it stopped X travel, suddenly rose about 2-3" on Z, moved on towards zero, then lowered back to surface.I stopped the program & it thought it was 2 inches further down the X Axis.  I checked gcode - the endmill was not where the gcode said it should be.  I was as if the gcode kept moving in the X direction while the mill was moving in the Z direction up & down.  The errors are so random, I am thinking about getting a different BOB next.  I am running ssd computer with WinXP Mach3 R3.043.066 for some time now without problems.  Any suggestions would be greatly appreciated.

3

Mach3 and G-Rex / Setting up new pci card in mach3

« on: October 17, 2010, 04:22:43 PM »

I got a new computer and put in a PCI express card.  I set up the settings from my old computer into the Mach3 program under config - motor output, inputs, tuning assuming they didn't change.  I can hear the motors align when I start the computer, but MDI won't let me move the router.  The PCI card is :I/O Port    0x0000EC00-0x0000EC07  I/O Port    0x0000E880-0x0000E883 
I used ec0. Still no movement.  I read it may be a parallel port communication error.  Should interrupt be never/try not to/interrupt anytime?  But what can I do next?  I am using win7 64bit and Parmon parallel port monitor wouldn't run.  Any other suggestions?  I searched online, but didn't find any others.   Thanks for your review of my problem.

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G-Code, CAD, and CAM discussions / gcode from CAMBAM not running

« on: September 11, 2010, 12:11:59 PM »

I downloaded a trial STL file and loaded into CAMBAM.  Then I generated 3D machine pathways & gcode and save as .NC.  Then uploaded into Mach3.  Code shows up, but no project rendering in table display.  If I try to run code, it says "nested comment foundline 1" which refers to file name & date.  I even tried the older BAS Relief.   Projects I create myself in CAMBAM run just fine.  Any ideas?  Thanks  Marv