X-axis leadscrew squeaking and tight

[Alex Watson]

Can anyone throw some light on why my KG3925 x-axis leadscrew is acting up? If I turn the leadscrew by hand (with the motors off and the timing belt removed) the leadscrew turns with a lumpy resistance. It started squeaking under power a few days ago.

My suspicion is that the thrust bearing at the motor end is failing. I don't at this point think it's the follower assembly.

[sploo]

Hi Alex,

Have you had any responses from K2 on this problem?

[__Mick__]

Replace both the screw and support bearings or you will just be chacing your tail and screwing with your production time.