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1

General Mach Discussion / X axis moves half distance

« on: November 20, 2020, 08:15:12 AM »

I am setting up a small lathe using windows XP professional and Mach3 R3.043.066. mach3 turn.
I have installed a UC100 Controller'

Drivers are set to 800 micro steps/rev
Leadscrews are 1mm pitch

Mach3 settings:-
Xstep pin 2, X dir pin 3
Zstep pin 4, Zdir pin 5
Motor Tuning in Mach3 800 steps/mm
Velocity 800
Acceleration 50
Step pulse 5 us
Dir pulse 5us

Using the parallel port:-
X and Z dro set to 0
Using MDI - G1 X1 F20 X moves 0.5mm
Using MDI - G1 Z1 F20 Z moves 1mm

Using UC100 controller:-
No change

Swopping motors made no change so I reason motors are Ok

Swopping drivers made no change so I reason drivers are Ok

Change Motor Tuning X axis to 1600 steps /rev in Mach3 and axis moves 1mm
Again changing drivers made no change.

Reset to 800 steps/mm

Change X step pin from 2 to 6
Again no change so I reason the BOB is not at fault

Windows reports Mach3 driver and UC100 are working correctly

Kernal speed 25Hz

Change kernel speed to 60Hz Still no change.

So I assume the motors and drivers are OK and the fault lies within Mach3.

Anyone any advice on how to overcome the problem.
 

2

General Mach Discussion / Can not reinstall Mach3

« on: September 27, 2017, 06:46:41 PM »

My workshop PC recently crashed and I have replaced it with a Windows 10 machine with no parallel port. I successfully loaded Mach 3 and dry ran a couple of programs with no problems. Then I foolishly purchased a UC100 via ebay. Guess what, it completely screwed up Mach3 guess I should have known better. Anyway, I uninstalled Mach3 and now can not reinstall it. When I try to install it I get to the screen showing the progress bars and then get the following message:

Unable to create uninstall entry(2) C:\Mach3\1024.lset

Can anyone suggest how I can get Mach3 installed.

Any help much appreciated