Calibration and sled problem
While learning how to make and use a sled, I'm finding calibration problems and wondering what others have had.
My first attempt at sled carving went pretty well other than finding that the material was thicker than I had anticipated (and even thicker when using dbl-stick tape). Since the sled was "close" to the stated dimensions, I thought that the slight difference in where the carving was as opposed to where I expected was the sled's fault.
With new sleds (one 18 X 8 and the other 18 X 5) that were square and accurate, my carvings were about 1/16" wrong in the X direction and 1/32" in the Y direction (too close to the keypad and too far from the starting corner). I calibrated the machine (a really cool procedure) without causing a difference. I tried both telling it to center the carve and putting it on the end - same problem.
Is this a common problem that I just need to compensate for?
I was particularly impressed with the machine's ability to finish the "Last supper" carving after vacationing in Texas, so it indexes quite well in that respect. But I had no reference point as to where I expected the original carving to start; I do have a specific point when using a sled.
Ken,
V-1, 2, & 3
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