Gib screw and lubrication

[grc]

Just got a NM135 and the X axis intermittently jams, I notice that the Gib moves and when it does thats when it jams, I believe I read it was a tapered gib so if it moves it probably tightens up. What keeps the gib in place?

Also my X axis especially the side with the gib and the screw doesn't seem to be getting much oil, The Y gets lots and the Z a bit less. Any thoughts?

Thanks
Geoff

[ihavenofish]

there is one screw at the end of each gib. the one on the "big" end tightens the gib, the one on the other end locks it in place - or loosens it. to me it sounds like the screws arent set correctly.

you should go through each axis, loosen the gibs a little, then slowly tighten and lock them a little bit at a time and run the machine to see if it binds or has play. keep going til the play is gone and the axis *just* binds. then back off a little and lock.

note that you need to run the whole travel length for this setup, as theres usually a "looser" end of the axis.

[grc]

Thanks for the reply, just got back in town. I checked the screw on the left side(stepper motor side) was tight but the screw on the right was very loose, I had to tighten it at least 6 turns. The gib doesnt slide back and forth like it did but the table seems to be a bit tight at one end. I loosened the screw on the right then tried to loosen the screw on the left to lossen the Gib but I can't turn it- any ideas. Novakon has not returned several emails about the problem.

Geoff

[ihavenofish]

Thanks for the reply, just got back in town. I checked the screw on the left side(stepper motor side) was tight but the screw on the right was very loose, I had to tighten it at least 6 turns. The gib doesnt slide back and forth like it did but the table seems to be a bit tight at one end. I loosened the screw on the right then tried to loosen the screw on the left to lossen the Gib but I can't turn it- any ideas. Novakon has not returned several emails about the problem.

Geoff

i think you might be going backwards.

khai i th8ni is out of town at the moment - long weekend etc. just try emailing again if you cant get it to behave.