Originally Posted by Smertrios The lead screw has .0015 runout according to my dial test indicator I believe that is where the alignment problem is. Isn't .0015 ALOT?? I have the stylus perpendicular to the direction of movement so it should be a fairly accurate measurment. |
Where is the runout? On the end of the screw where it's threaded for the nut or the smooth part that the coupling seats in. Part of that is probably the fact that you haven't tightened the coupling nut which governs the load on the leadscrew bearing.