mister_zed
03-01-2010, 06:20 PM
Hi, everybody!
Some time ago I read a post about innacurate drilling and all of a sudden it seems like I have a related problem. I tried a very simple mpc, just experimenting with some features to see how things could be carved. And I was prepared for a failure, but what happened seems to me like a nightmare.
Yesterday I upgraded to version 1.161 of the software... and today I went on carving.
The thing that I was carving was supposed to be square, it came out rectangular. The inner square was supposed to be 4.08"x4.08". On the Y-axis it came out 4.05 which for my purposes is quite OK. On the X axis I got only 3.50" instead of 4.05 (see picture 1). Furthermore, the X axis seem to move gradually while cutting along the Y axis, which gives me a slightly "romboid" figure (see picture 2).
Furthermore the ogee bit cut shallower on the Y axis than the X-axis (see picture 3).
I did the cut at DRAFT quality which should - of course - affect the carving quality (not noticeable here) but in my opinion it should not affect the square shape of the carving, nor the "drift" of the piece along X axis or the depth of the carving.
So now my questions are:
- the "rectangular square": is it a problem of recalibration of the belts?
- the "drift" of X-axis: how do I troubleshoot that? The belts seem to sit rather tight, the X-axis gears are new and I did a carving before without that "drift" problem...
- the different depth of carving: there is supposed to be a sensor on the Z-axis. How do I troubleshoot that?
On the other hand: I get the problems all of a sudden on all axis. Somehow I do not want to believe all of them could have gone whacko at the same time. Might it be the 1.161 software? Just want to know what you think about this.
Some time ago I read a post about innacurate drilling and all of a sudden it seems like I have a related problem. I tried a very simple mpc, just experimenting with some features to see how things could be carved. And I was prepared for a failure, but what happened seems to me like a nightmare.
Yesterday I upgraded to version 1.161 of the software... and today I went on carving.
The thing that I was carving was supposed to be square, it came out rectangular. The inner square was supposed to be 4.08"x4.08". On the Y-axis it came out 4.05 which for my purposes is quite OK. On the X axis I got only 3.50" instead of 4.05 (see picture 1). Furthermore, the X axis seem to move gradually while cutting along the Y axis, which gives me a slightly "romboid" figure (see picture 2).
Furthermore the ogee bit cut shallower on the Y axis than the X-axis (see picture 3).
I did the cut at DRAFT quality which should - of course - affect the carving quality (not noticeable here) but in my opinion it should not affect the square shape of the carving, nor the "drift" of the piece along X axis or the depth of the carving.
So now my questions are:
- the "rectangular square": is it a problem of recalibration of the belts?
- the "drift" of X-axis: how do I troubleshoot that? The belts seem to sit rather tight, the X-axis gears are new and I did a carving before without that "drift" problem...
- the different depth of carving: there is supposed to be a sensor on the Z-axis. How do I troubleshoot that?
On the other hand: I get the problems all of a sudden on all axis. Somehow I do not want to believe all of them could have gone whacko at the same time. Might it be the 1.161 software? Just want to know what you think about this.