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Wednesday, May 25, 2011

XY axis Test

In the last post I mentioned that I had tested the movement of the XY axis, I have finally gotten around to uploading it to YouTube. It will be posted bellow.

XY axis information:
build area: 11"x11"
Build plate: 12"X12"
Steppers: Nema 23 160 oz-in if I recall, 3 in total for XY
belts/pulleys: 11 tooth plastic commercial pulleys .2" pitch
Linear Motion: Thompson Linear bearings on 1/2" shaft

After filming this video I decided to raise the Z axis and put a 10lb back of grout on top of the build axis to see if it seamed to loose steps or stop working. It remained working like that for the remainder of the 20min print. Afterwards I used rep z to do the maximum length jog at 4000mm/min and even with the excessive weight it preformed perfectly!

any other questions just ask.

I decided to measure the Z axis for the proper belt and I ordered 2 belts 115 and 119 tooth belts both 3mm pitch. Im hoping I can get the 115 tooth belt to work without a tensioner, if not I will use the 119 with a tensioner.

Right now I am hoping that the z axis will perform just as well as the XY axis. The z axis has always been the hardest part for me. I still need to work on some adjustments on it though.

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