X-Stepper / X-Axis clicking when extruder moves to the right (RESOLVED)
 
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X-Stepper / X-Axis clicking when extruder moves to the right (RESOLVED)  

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Lynton Jennings
(@lynton-jennings)
New Member
X-Stepper / X-Axis clicking when extruder moves to the right (RESOLVED)

Hi All,

I have had my Prusa i3 MK3 for about 3 weeks now and all has been perfect until now..

I noticed (about 10hrs ago) a slight clicking sound while the extruder moves along the x-axis but didn't think too much of it. Now it seems louder. My print is almost finished (13hour print), and it all looks good, no issues with quality.

Here is a video of the sound (I put into stealth move so it can be heard a bit easier):

Any idea what is can be? I am guessing the sound is coming straight from the X stepper motor.

Thanks and Regards,
Lynton

~ Original Prusa i3 MK3...
Posted : 10/02/2019 9:28 pm
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(@)
Illustrious Member
Re: X-Stepper / X-Axis clicking when extruder moves to the right

I've had some pretty weird noise when a small piece of filament came loose and stuck in the fan shroud. Random catching the part as the head moved around. Sounded like many things depending on direction; extruder skipping, Y-Axis noise, X-Axis noise ... took me several prints to actually find the source - and only found it because I was deep cleaning the nozzle and pulled the shroud.

Posted : 11/02/2019 12:11 am
Lynton Jennings
(@lynton-jennings)
New Member
Topic starter answered:
Re: X-Stepper / X-Axis clicking when extruder moves to the right

I managed to solve this issue. Stayed up all through the night and tinkered quite a bit.

Turns out it was the tension on the X-axis belt (too tight I'd assume). I disconnected everything and remove the printer from my enclosure. When the machine was switched off and i moved the extruder by hand, the clicking sound was still there (and was coming directly from the stepper motor. I loosened the bolts of the X-stepper and adjusted the tension down a little bit until the clicking disappeared, then locked it in place again, used a small paint brush to make sure there wasn't any debris in the teeth of the belt and gear etc...

Booted everything back up and ran the calibration wizard. No errors and I've managed a 5 hr print so far without any clicking!

*Now my blood pressure should start normalizing again 😉

Hope this post helps others!

Regards,
Lynton

~ Original Prusa i3 MK3...
Posted : 11/02/2019 6:46 am
Flex and Melanie liked
andrej.o
(@andrej-o)
New Member
RE: X-Stepper / X-Axis clicking when extruder moves to the right (RESOLVED)

If this helps anyone having similar problems: I also had occasional clicking sounds when X axis was moving, even when I was trying to move it by hand. It looks like I managed to fix it by loosening screws of the X-carriage-back part.

The assembly manual at  https://manual.prusa3d.com/Guide/5.+E-axis+assembly/1055?lang=en#s18602 , step 61, notes that these screws should "be tightened with reasonable force" in order not to deform the bearings. I overlooked that when initially assembling the printer and probably overtighened them. It looks like that clicking disappeared after I untighened and retightened them with reasonably light force.

Posted : 07/03/2020 10:47 pm
jake.d4
(@jake-d4)
Active Member
RE: X-Stepper / X-Axis clicking when extruder moves to the right (RESOLVED)

If anyone else is trying to solve this problem, here is another potential solution.  I found that my x motor was not seated properly causing a clicking noise at a certain point along the axis travel.  This was also making my xyz calibration fail.

Posted : 21/04/2020 11:45 pm
Flex
 Flex
(@flex)
New Member
RE: X-Stepper / X-Axis clicking when extruder moves to the right (RESOLVED)

@lyntonjennings

Thank you very much, you saved me a lot of time trouble shooting that tiny little click. I did the same, to tight X-Axis. Loosen it up and the tiny click went away. 

Thanks

Posted : 22/05/2020 1:48 am
kurtlocker
(@kurtlocker)
New Member
RE: X-Stepper / X-Axis clicking when extruder moves to the right (RESOLVED)

This thread got me close to solving this issue on my MK3S. In my case, the GT2-16 pulley on my X-axis stepper motor was too far forward on the motor's shaft. I loosened the pulley by unscrewing the grub screws, pushed the pulley further back on the shaft, closer to the motor, leaving a small gap between the pulley and motor, and re-tightened. Reinsured my belt tension was good by running a self-test. Clicking solved. 

 
Posted : 04/06/2020 9:48 pm
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