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Solidoodle2 Z axis preload

by matt_johnson63, published

Solidoodle2 Z axis preload by matt_johnson63 Nov 13, 2012

Description

To remove historesis in the Z axis on the solidoodle2

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By pre-loading the bed down (in addition to the weight of the bed), you force the drive screw to always go to the lower side of the driven z-axis thread rather than sometimes sticking.

Just curious how this removes hysteresis from the Z axis.  Does it reduce wobble?

Nice! 
 This would be better than my glue and cap :)

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Instructions

Print, place small compression spring (needs to be short) on the z-axis lead screw, tighten a 5/16" nut on top of spring, press this on top of nut.

Comments

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diabeetusman on Nov 13, 2012 said:

Just curious how this removes hysteresis from the Z axis.  Does it reduce wobble?

matt_johnson63 on Nov 13, 2012 said:

By pre-loading the bed down (in addition to the weight of the bed), you force the drive screw to always go to the lower side of the driven z-axis thread rather than sometimes sticking.

EricWilliam on Nov 13, 2012 said:

Nice! 
 This would be better than my glue and cap :)

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