Reptar XY! - Version Two

A simple, lightweight, easy to use, XY block

3D printer parts and enhancements

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Description

XY blocks with integrated belt tensioners are cool. But after designing several of them and using them for months, I've come to the conclusion that they are actually an unnecessary convergence of features and a general pain to use. Rarely (*aka - never*) do I want to simultaneously tighten my belts, adjust my 6mm rods, and adjust my 8mm bushings... so having all of those features in the same part makes each one of those operations far more complicated than it needs to be.  
**Knowing that now,  I present the Reptar XY - *Version Two:*** a simple, lightweight, *easy to use* XY block. The 6mm rods snap in and are secured by 3 #2 x 0.5in plastite screws.  
Belt tensioning is achieved by using any of the external belt tensioners... or... even better... by switching to 303 tooth GT2 belts and doing away with belt tensioners entirely. The belt length on those is perfect without any additional tensioners, and has lasted 1000+print hours without needing adjustment.   
Belt indexing is easily achieved by marking the edges of the belt with white paint after assembly - meaning with these blocks, you will never have to adjust your pulleys again!

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Comments

96c2f4f604a3d3b0b968a9d52f46d57e?default=blank&size=40mbartell added this to the umo+ collection ago
915cad8e97fddc508157e276394e2568?default=blank&size=40michaelnoardo commented ago

HI Man, I really loved the concept and I want to use it in my own DIY printer, can you share more photos from the whole project? Do you have videos?

077e146d5f7d17eb409d591e11311bd6?default=blank&size=40Daniele Ribolla added this to the shotty's stuff collection ago
Mini sany0007calinb added this to the UMO collection ago
Feb3ddacaff1d64c33a429896f6ea22c?default=blank&size=40mb x added this to the Things collection ago
Bcbf3000397afde5dd1875cf5476e84b?default=blank&size=40wowowaa added this to the CTC Giant collection ago
D2f16895b73e2dba4b8e4c1876572d45?default=blank&size=40rowiac added this to the UMO Mods collection ago
38cbc772505f8fcc7e3c0cf8e7c688ee?default=blank&size=40zymase added this to the ultimaker collection ago
068031c05e579a7c8d2de5fa0f567a7d?default=blank&size=40cacomistle added this to the 3d-printer collection ago
Mini 636790 300Thomas Beck commented ago

Same question as Lyle LeBlanc ... where are the limit switch addons? Dd you forgot to include them? How did you solve it?

Mini 636790 300Thomas Beck added this to the UM Original updates collection ago
6687642de591015115e8d5c81f406768?default=blank&size=40Larsvstrom added this to the Ultimaker updates collection ago
Mini 295954 2186536775701 1015484836 32584192 3113001 nMorten S added this to the Gogogo collection ago
Ba2dfb12d93b502c89b217fbec54a300?default=blank&size=40perlguy added this to the Ultimaker collection ago
Ee44e1dfdef79bb5e2fc87832737eb76?default=blank&size=40ficklecycler added this to the Ultimaker / Smartmaker Clone collection ago
24ee2577539ae18c4b0af758a9234ad4?default=blank&size=40Tongdam added this to the CoreXY collection ago
Mini lisca mangaLisca added this to the 3D Printer Parts collection ago
Mini monkeymeLyle LeBlanc commented ago

Hey! Thanks for the design! I've successfully printed and installed them only to realize I've completely forgotten about the limit switches. I see in one of the pictures that there's something that attaches to the back, but I cant seem to find the files anywhere. Before I go ahead and make something crude and utilitarian I was wondering if you actually already have a file for these? I tried to use the ones from your first version but there wasn't enough space between the frame of the machine and the xy block on the front of the machine to make it work. It is quite possible I'm doing something wrong though. Thoughts?

Cheers!

B6c4393e7cc17c631a0142e2bc4e4b2f?default=blank&size=40brycehewett added this to the Printer upgrades collection ago
Mini ataraxis glow bigataraxis commented ago

Plastite screws are designed for plastics. They are cutting their threads themself. I guess normal ones will do it.

Mini dandylion2Paul commented ago

What are plastite screws? Can you use normal screws instead. We don't have such a thing in the UK, I think the imperial dimensions don't help

Mini monkeymeLyle LeBlanc added this to the UMO+ collection ago
76652674c3ddbb662044858c1baa3c79?default=blank&size=40dintid added this to the UM2 collection ago
A8a16e26c1f65566a29f2e552cd83b74?default=blank&size=40seansadler added this to the XY Bearing Block Designs collection ago
D66f7fffca120869ccf379239320fdd8?default=blank&size=40obor added this to the printer3d collection ago
Cb013efa08026866713ee8ea4f98a733?default=blank&size=40Sergey Fedorov added this to the Ultimaker 2 Upgrade collection ago
726d58202f463ab45f27de07733b7a33?default=blank&size=40etix added this to the Upgrades collection ago
Mini zSuat Karagöz added this to the UMO+ Parts collection ago
5f8efd06e787e76aa3243c743c26c4bb?default=blank&size=40sfandersen added this to the ultimaker collection ago
Mini chrischris kearsley printed this ago
Carousel thumb 20150510 161045
Printed on:
prusa i3
Result:
mixed the main bodies came out brilliant but the clasp parts had to have support because the way i had to ave the part make sure the belt teeth was printed ok
Feedback:
Printed with Cura 35 mm/s 25% infill 0.3 layer height
2c881c106a4908a21ae5a5949b33efee?default=blank&size=40Raptor4 commented ago

Hi nhfoley!

Please upload an STEP file of Reptar XY-Version two! 

Would gladly use this blocks for my printer, but need it for 8mm gantry!

Hope, You can do it as soon as possible!

Thank You in advance!

Eugen

2c881c106a4908a21ae5a5949b33efee?default=blank&size=40Raptor4 commented ago

Hi nhfoley!

Please upload an STEP file of Reptar XY-Version two! 

Would gladly use this blocks for my printer, but need it for 8mm gantry!

Hope, You can do it as soon as possible!

Thank You in advance!

Eugen

4cde81b945234c97ea988dfb081ed3c0?default=blank&size=40Pierrick commented ago

I would like to create the same piece but for 15mm ball bearing. Could you tune you design or send my your CAD files?

Mini dsc06896 1nhfoley published this design ago