Originally Posted by
samco
Are you sure it isn't you computer outputting a crappy pulse train?
sam
No I'm not. Is there any way I can check?
Originally Posted by
lasersafe1
The magnetic forces are so strong when power is applied that the slightest misalignment internally will cause problems. You will not notice it when power is not applied.
The manufacturers will tell you to NEVER pull the end caps off. The alignments and screw torques are critical for proper operation.
Start putting all the ones that click in a single location. When you get enough of them you can make a boat anchor.
Wouldn't misalignment make them tick in the same place every revolution? I've got every 2-3 revolutions and it's in a different place when it rotates the other way.
The ticking is in all of them to some degree (now I've had a closer look), but it's barely noticable on one and terrible on the one in the video above. The third lies between the other two.
So ultimately I'm looking at a motor problem (if I can rule out any pulse quality issues) which will most likely be solved with new motors. In that case I've got nothing to lose with experimenting with these.
I'll pull the endcaps again on the worst one and check the bearing fit. I'll try and spin the rotor in my lathe and check how true it runs. I'm not sure if the 3 jaw chuck I have will hold the shaft well though.
My X2 CNC Brain Build: http://www.cnczone.com/forums/showthread.php?t=61345
Gecko G250 wiring errors: http://www.cnczone.com/forums/showthread.php?t=68960