Thanks for the new video. What I hear in this video is that the movement along the X axis is not smooth like it is on the Y axis. It seems like there are several places along the X axis where the carriage seems to drag. Instead of giving off a continuous tone as the Y axis does the X axis has a modulated sound to it.
[Edit] - I just re-read your message and didn’t notice that you had said that you couldn’t move it as smoothly, so that might have been what I was hearing.
The “Return to Zero” button in UGS is a different issue. It doesn’t work like most people think.
“Return to Zero” in UGS uses the G28 command which works with Machine co-ordinates. When you press this button the machine will move to Work Space 0,0 and then move to the G28 position.
Copied from one of my other answers:
If you HOME your machine and jog the spindle to X5 Y5 Z-5 then press the “Reset Zero” button your Work Zero is now located at Machine 5,5,-5.
If you HOME your machine after doing this then the Work Position will be -5,-5,5 because you set your Work Zero at 5,5,-5.
Be careful if you try to use the “Return to Zero” button because it doesn’t act like you would expect. The “Return to Zero” button uses the G28 command which works with Machine Position and that location must be set with a G28.1 command.
If you have not set the G28.1 position then it could be pointing anywhere. Once set it doesn’t change unless you enter another G28.1 command.
To set your G28 position:
- Home your machine
- Jog your machine to the location that you want to be the G28 position
- Enter the command G28.1
After you have done this pressing the “Return to Zero” button will take you to the Work Zero Position and then move to the G28 position.
Hope this is clear. If not I’ll try again.
Which version of UGS are you using?
I took a quick look at the new video and your G code file. There is a problem here, but I haven’t had enough time to look it over to try and determine where the failure is. Maybe I can look at it some more later this afternoon. (Edit : 9/24/2015 11:40).