Bed leveling nut traps - MG Prusa Mendel

by fastryan, published

Bed leveling nut traps - MG Prusa Mendel by fastryan Aug 4, 2012
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Bed leveling nut traps - MG Prusa Mendel by fastryan is licensed under the GNU - GPL license.

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These traps remove the need for the nylock nuts under the laser cut Y carriage, and keep the leveling nuts from spinning.


1) Print 4 of these
2) Insert an M4 hex nut into the trap and slip it over the lobes on the Y carriage.
3) Screw bed into nut and through hole in the lobe.
4) Enjoy faster bed leveling and less bed vibration.

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did this work out for you well? one thing i noticed that by tightening too much, the laser cut bed actually bends and makes it harder for it to slide along the y-axis. i would imagine that throwing the bolt in this would cause it to bend faster sicne it would be pulling up on the bed

I did notice my y-axis was binding when initially adjusting these (when the screws were grossly non-planar). To get around this, I loosened the spring nuts so that I could judge which screw was out of the plane.

It would be so much easier if there were only 3 bed adjust screws.

Maybe a better solution would be a removable clamp around a thumb screw...

Yea that's what I was afraid of. I know a lot of people make one corner fixed by printing just a cylinder spacer and have that be the default height. Then, you only adjust 3 of the corners.