Slim LM8UU Holder Parametric
by jonaskuehling, published
I never liked snap fit solutions for parts that rely on precision. In particular the current Prusa design uses two different ideas for LM8UU holders which either lead to heavy warping of the whole part when inserting the linear bearings because of a very tight fit (e.g. x ends) or snap in easily (in case you don't brake them..) but leave a faily loose fit needing additional zip ties to fasten them (e.g. x carriage).
This is why I appreciate CdnReprap's attempt to have a pecisely fitting, yet tightenable LM8UU holder which can be disassembled as many times as you desire, leaving the bearings on the smooth rods.
Update V1.1 (2012-01-23);
* changed mountplate to be parametric too
* using polyhole function for LM8UU-hole in hope to achieve even better fit
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I like this - is there any mod to support http://www.thingiverse.com/thi... ?
It appears that when I change the SCAD to bring the plate holes to external dimension of the 27MM to accommodate the AO X ends then the screw head ~may interfere with the body of this.
I guess I could alternatively alter the AO X ends to meet this...
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Assemble with M3x20 hexagon socket head cap or crosshead screw an M3 nut.
SCAD file can be used as module, offering mountplate option = true/false.
All parameters are editable via SCAD file.
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