Reptar XY!

Improved XY blocks for the Ultimaker

3D printer parts and enhancements

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Description

After building up and modifying some of MoonCactus' great XY blocks, I realized that although the design was spectacular functionally, it was about equally as challenging to assemble as the stock UM XY blocks.  
So while trying to maintain the major benefits of the original (integrated adjustability, low profile, removable without taking out the 8mm axes) I set out  to redesign them - with improved assembly and accessibility.  

The result is the Reptar XY block, a strong, easy-to-print, easy to assemble, highly functional XY bushing block... which was designed almost in its entirety before I printed it in purple and green and embraced the fact that it looked like a dinosaur.   ...Anyway, like I said, it offers some big usability improvements:  

- The Main body (green part) snap-fits onto the bronze bushing and the 6mm rod, holding them captive - which means you can assemble most of it without any screwing, and then add screws later to make everything secure.   

- All of the screws are accessible from the front side, including the tension adjustment screw. This is a very nice feature and makes assembly much more enjoyable  
- The bronze bushing does not get deformed as you tighten things up  

- The limit switch 'spikes' are a separate part, which means you print 4 of the same assemblies and just screw the 2 limit spikes to the appropriate XY blocks - less files to manage.   

**2013.08.20 - v1.16 Update:** *I've uploaded the latest STL files, after printing several dozen of these and installing them on 3 machines. I now believe, however, that a combined XY block + tensioning mechanism is not necessarily the best path forward (see comments) and will be redesigning this in order to simplify it further.*  
**2013.08.06 - v1.16 Changelog:** *Added small tabs to locate the bushings!*  

**2013.07.31 - v1.15 Changelog:** *Changed the shape of the clamp jaw to get better clamping and a cleaner print. Parametric files only at the moment, I'll upload STLs when I get a little more testing in.*  

**2013.07.30 - v1.14 Changelog:** *Updated switch trigger clearance. There will now need to be two separate parts for this, unfortunately. Uploading the longer one soon. Made some improvements to the tensioning mechanism as well as the clamping. Parametric files only at the moment, I'll upload STLs when I get a little more testing in.*

Materials and methods

3x #2 x 0.5" Torx Drive Plastite Screws (+1x when installing the limit switch spikes) (McMaster P/N: 99512A162)

- 2x #2 x 0.75" Torx Drive Plastite Screws (Mcmaster P/N: 96001A164)

- 2x Aluminum Standoff ( McMaster P/N: 94669A612)

Documents

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Comments

18aab26edc648de1183c06c74c83d024?default=blank&size=40RaymondShaw commented ago

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D33cdea64b7e446ce29bf4281bcacf79?default=blank&size=40Vishal Tyagi commented ago

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Mini 1Dubai Bunnies added this to the Print collection ago
Bcbf3000397afde5dd1875cf5476e84b?default=blank&size=40wowowaa added this to the CTC Giant collection ago
38cbc772505f8fcc7e3c0cf8e7c688ee?default=blank&size=40zymase added this to the ultimaker collection ago
Ba2dfb12d93b502c89b217fbec54a300?default=blank&size=40perlguy added this to the Ultimaker collection ago
5908de3b8e630f0d40194c97bbac57cb?default=blank&size=40tehael added this to the Ultimaker Upgrades collection ago
2da9a88a6449e23b580bad4b42a84f54?default=blank&size=40Abcopp added this to the 3D Printers (and parts) collection ago
Mini 1385678 10205070354299244 1008455131394468774 nJAT.MN added this to the Ultimaker Mods collection ago
Mini dsc06896 1nhfoley published this design ago