Aleph Objects Clamp X-ends
by AlephObjects, published
NOTE 1/31/2012: We've updated the design by making the clamps a bit tighter. We found that the smooth rod grooves had a very tight tolerance and would not clamp the rods tight enough in some cases.
This is a small update to the AO X-ends. The only major change is the bushing mount wall is beefed up good bit. The clamps are the same but have been uploaded here for ease of downloading the parts.
Wanting to move away from the cast x-ends but also liking the clamp style, we designed some new ones to work with the boltable PLA bushings. These are interchangeable with the standard Prusa or cast Clonedel x-ends.
This x-end set calls for a little extra hardware, but no glue and the ability to change out bushing easily makes up for it.
Hardware: x8 M3 20mm SHCS x8 M3 12mm SHCS x24 M3 washers x16 M3 Nyloc nuts (or regular nuts) For the idler x1 M8 30mm SHCS x1 M8 Nyloc x2 M8 washers x2 Fender washers x1 608 bearing
These x-ends use the boltable PLA bushings rather than the glue in PLA bushings. You can find the boltable bushings here: thingiverse.com/thing:10647. Also, we have made Igus bushings holder for these x-ends too: thingiverse.com/thing:13229
Licensing -Parts and files: GPLv3 -Images: CC BY SA
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You will need two clamps and one each of the idler and motor ends.
It is easier to bolt the PLA bushings onto the x-ends first with the 12mm screws and nuts. Then you can bolt the clamp on each end with the 20mm screws, but leave them loose. Once you put the x-end together you can tighten down the clamps.
For the idler you will need to put the nut on the inside of the idler wall. There is not clearance to push the M8 bolt in from the inside of the wall.