Wobble Arresting Z bracket

by natetrue, published

Wobble Arresting Z bracket by natetrue May 7, 2010
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Wobble Arresting Z bracket by natetrue is licensed under the GNU - LGPL license.

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For that one Z rod that has the wobble in it. If all your other Z rods are straight, install this floating bracket and keep the one wobbly rod from zigzaggling all your prints. Thanks to twotimes for the bracket design; I thickened the outer portion, widened the screw holes, and reduced the vertex count to keep the hole printing ruly.


Print the wobble bracket, then remove the "zg" wooden piece from the Z stage on the rod that's wobbly. Install the wobble bracket under the Z stage. For extra wobble resistance, leave out two of the screws. Then level out your Z stage platform again and you're done!

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It took me a few months to get my Makerbot #999 (ordered last May) finally assembled. But my Z Axis is not working at all. Tips say to print this, but I can't print anything because of the Z Axis grinding Spent about six hours today trying every tip I could find, but to no avail. So I HOPE this fix will really help. But I can't print. Will someone print 2 of these for me, and I will pay and have you send to me?

A solution suggested on the Makerbot blog is to leave one of your Z rods floating and unattached to the Z platform. That may reduce binding sufficiently to get a print out. I can't find the article right now but the idea is just to move the nut on your most bent Z-axis rod down so that it's not touching the Z platform, and so not making it bind. This along with loosening the Z-axis belt a little may allow you to get a print off.

Hopefully using this I can make it stop skipping...

It did stop the skipping for me. I still have yet to find other wobbly rods, but I have noticed much better layer alignment and no more skipping. :-D

really awesome. the wobble on my makerbot was so bad that it'd wedge while traveling. I installed one of these and problem solved!

thanks so much!

Making it ruly is a good idea and I'm gruntled about it. I also think the design is wieldy, but when I tried to print it I got maculate results. I'll try alternative settings and redo. After all printing is still new hat to me. ;)

Read the description. "I thickened the outer portion, widened the screw holes, and reduced the vertex count to keep the hole printing ruly."

how is this at all different than twotimes' model?