Need Help!- Camsoft controlX axis growing while the machine runs

[jguerrera]

Any one that could help on this one would be great. I wrote a while back about position problems in the X axis of my machine. While the machine is running the X axis keeps growing larger and I did get many responses to what the problem might be. I looked at all the ideas that were presented and I still had the same problem after trying these ideas. The ideas made sense but the problem would not go away. I started looking at the codes I wrote and took them out one by one. I got it all the way down to were I wrote a program not using any of the custom codes I wrote. I still had the same problem with the X axis growing while the machine is running. I went back and checked ratios, lead screw and bearings and log files. I still could not fix this problem. Early on I mentioned to the Camsoft tech. that I was making a move in the Y axis of 13.500" using T1 and the drive kicked out. I was told that the ratio might be off and it might be the position error thats shutting the drive down. I had a hard time understanding this because if I made the same move not using the tool number and told it to go the same 13.500" distance the drive never kicks out. It only happens when the tool number is used. Knowing this I tried a program with a lot of moves which included M04, G0, G01 and G04. This program had about the same amount of moves as my origonal program. The only thing missing is the T#. This program ran great. The X, Y and Z axis were all in the right positions. I took it a step further and put in zero for all the stored tool locations and ran the program again. The machine ran great. Why is the stored tool location for the T# when I use them throwing off my X axis? I don't know were to go from here.

Thanks
Joe

[Al_The_Man]

Have you checked all the tool offsets for the different tool locations?
Al.

[jguerrera]

I have not tried other locatons for the tools. I am using 1 thru 13 right now. I have 120 locations to use. I will try 21 thru 33 and see if that helps.

Thanks
Joe

[Karl_T]

Looks like you've got one tuff nut to crack...

May I ask for more work from you? Run two nearly identical gcode programs where the only difference is the T#. measure your difference and show exactly how you did this, a picture would be nice.

Also provide your .cbk and a screen shot of the tool parameter screen along with the two Gcode programs.

I can only promise to spend some serious time looking at it. You may get exactly what you're paying for.

Karl