Loose Second Z

[toddmaci]

I have been having issues with the second z cutting weird. After some investigation I found that it is rather loose. Does anyone have documentation on how to remedy this? I assume if a square it perpendicular to the table and reset the bearings I should be OK. Do I just square it off the side of the spindle? Thanks for the help.

Todd

[Gary Campbell]

Todd...
Adjust the V rollers on each side of the Z & A extrusions. 3 are fixed and 2 are on eccentrics. Check to make sure all are tight. You will need a thin wrench, 14mm I think. I used a cheap stamped one I got with a sander. Also check the V rollers on the bottom of the YZ car

I use a framing square from the table, making sure the leg of the square is perpendicular to the direction I am trying to square.

The hex socket cap screws that hold the spindle plate to the Z extrusion are loosened to adjust in the +/- Y direction. THe 16 hex socket cap srews that hold the extrusion to the side plates need to be lossened to adjust in the +/- X direction. If you loosen these you should check your gantry for square also.
Gary

[harryball]

You didn't mention what "weird" means... if it is loose up and down, check your pinion and make sure it is tight on the stepper motor shaft.

/RB

[toddmaci]

Gary,