TwisterBlocks

UM bearing blocks with a twist

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Description

UPDATE 20.8.2014: Added GT2 belt clamps. These clamps provide NO tension, so they will work with 303 tooth GT2 based setups. Note that if they seem thin for you, you can always just scale them up a bit in Z if that seems necessary.

UPDATE 26.12.2013: The parts that engage the endstops have been widened to 10 mm to compensate for the blocks being 2mm wider towards the center of the printer, so that the default endswitch positions still work. All the files have been updated accordingly.

I love experimenting with my Ultimaker. Unfortunately when you want to do that with different extruders (like non-bowden ones) or printheads, you must disassemble a lot of things and it takes too much time. Not any more. These blocks allow you to switch printheads by removing 8 easily accessible bolts (leaving everything else in place) and twisting the print head to remove it together with the 6mm rods. They also increase the rigidity of your whole XY stage, and provide decent belt tension.
You can find detailed instructions here: http://chopmeister.blogspot.com/2013/12/twisterblocks.html

Materials and methods

- 12 printed parts
- 8x M3x20 bolt
- 8x M3x30 bolt
- 16x M3 nut

Documents

Gt2 Belt Clamp
STL – 110 kb
Version 1 - Feb 04, 2015
Updated on 04-02-2015 – 0:23 h – 1 g – 7×9×24 mm
Edit in 3dslash
Version 1 - February 04, 2015 14:05
Download
Twister Block Back
STL – 88 kb
Version 1 - Feb 04, 2015
Updated on 04-02-2015 – 1:06 h – 6 g – 29×32×24 mm
Edit in 3dslash
Version 1 - February 04, 2015 14:02
Download
Twister Block Front
STL – 93 kb
Version 1 - Feb 04, 2015
Updated on 04-02-2015 – 1:09 h – 7 g – 36×32×24 mm
Edit in 3dslash
Version 1 - February 04, 2015 14:04
Download
Twister Block Left
STL – 95 kb
Version 1 - Feb 04, 2015
Updated on 04-02-2015 – 1:16 h – 7 g – 39×32×24 mm
Edit in 3dslash
Version 1 - February 04, 2015 14:04
Download
Twister Block Right
STL – 88 kb
Version 1 - Feb 04, 2015
Updated on 04-02-2015 – 1:08 h – 6 g – 29×32×24 mm
Edit in 3dslash
Version 1 - February 04, 2015 14:02
Download
Twister Blocks
STP – 1.1 mb
Version 1 - Dec 26, 2013
Download
Twister Blocks Belt Clamp
STL – 27 kb
Version 1 - Feb 04, 2015
Updated on 04-02-2015 – 0:10 h – 1 g – 23×12×7 mm
Edit in 3dslash
Version 1 - February 04, 2015 14:02
Download
Twister Blocks Plated
STL – 550 kb
Version 1 - Feb 04, 2015
Updated on 04-02-2015 – 6:14 h – 35 g – 130×70×24 mm
Edit in 3dslash
Version 1 - February 04, 2015 14:04
Download
Twister Blocks Rod Clamp
STL – 21 kb
Version 1 - Feb 04, 2015
Updated on 04-02-2015 – 0:12 h – 1 g – 22×12×10 mm
Edit in 3dslash
Version 1 - February 04, 2015 14:03
Download

Issues

2048 cupcakes
Open
Issue #5 opened by Zelda Farah on August 08, 2023 03:51
design TwisterBlocks
Open
Issue #4 opened by Eddie Nelson on April 24, 2023 10:52
the default endswitch locations continue to function properly
Open
Issue #3 opened by Eddie Nelson on April 24, 2023 10:46
Away from the Crowds, but Still Highly Recommended by Mina Agnos of Travelive?
Open
Issue #2 opened by whycollection on February 09, 2023 03:17
UMO storage space
Open
Issue #1 opened by Ayatt Alex on January 13, 2023 09:19

See all issues or open a new issue

Comments

JanetTillman added this to the hi collection about 1 month ago

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Zelda Farah created issue 2048 cupcakes about 2 months ago

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Eddie Nelson created issue design TwisterBlocks 5 months ago

Eddie Nelson created issue the default endswitch locations continue to function properly 5 months ago

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smoothwindliecrassbound created issue Away from the Crowds, but Still Highly Recommended by Mina Agnos of Travelive? 8 months ago

Ayatt Alex created issue UMO storage space 9 months ago

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calinb commented over 7 years ago

Okay, I made the CAD changes but won't have time to print my re-spin for a few days. Here's what it looks like:

https://www.youmagine.com/designs/twisterblocks-re-spin

calinb commented over 7 years ago

Wow! Like all your projects, this is simply fantastic design work! However, I'm not too keen on giving up even 4 mm of x and y travel. I use up all my UMO real estate far too often and wish for more already!

Do you really need so much 6 mm rod engagement? Thanks for providing a .stp file, because I'm offsetting the faces by 2 mm and the screw holes by 1 mm (to keep them centered on the faces). Hence, I can try your design without giving up any X/Y travel. (Actually, I might be able to gain a little). To anchor the 6 mm rods more securely with my 2 mm shorter twister blocks, I might also try to add an extension on the twister block rod clamp that fits in the twister block rod assembly channel and provide additional support at the very end of the rod. The twister block slots are 2.5 mm deep so I can "get back" all of the 2 mm I'm removing plus 0.5 mm more, assuming that the rods are long enough to bottom in the channel against the twister block! If they are too short to benefit from this idea, I'll just buy longer 6 mm rods and custom cut them to fit tightly.

A picture tells 1000 words so I'll post a "re-spin" place keeper to illustrate my idea just as soon as I finish the CAD modifications.

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