A new design - CoreXrY Hi, I think I've come up with a new take on CoreXY. I call it CoreXrY for the rotational movement between the X and the Y belts. I have details up here - [eaden.net] ( more to come ) But briefly, it uses 2 parallel closed belts for the A and B motors. This means less overall belt length. I have a working model. corexry.png mod_embed_images_loadimage('2ec772aa9e059ef46b485b2f19ae2027', '/forum/thumbcache/f7e/881/4dd/d7c/29f/0a4/1d9/702/773/d3c/f3_800x400.png', 'https://eaden.net/corexry/corexry.png', 'https://reprap.org/forum/addon.php?397,module=embed_images,check_scaling=1,url=https%3A%2F%2Feaden.net%2Fcorexry%2Fcorexry.png', '', 891312, 800, 400, 'Loading image ...', false); Interested in peoples thoughts about the pros/cons. https://reprap.org/forum/read.php?397,891312,891312#msg-891312 Tue, 14 Apr 2026 06:01:57 -0400 Phorum 5.2.23 https://reprap.org/forum/read.php?397,891312,893117#msg-893117 Re: A new design - CoreXrY https://reprap.org/forum/read.php?397,891312,893117#msg-893117 Some other benefits I can see, are easier belt adjustment and replacement.]]> stamos CoreXY Machines Sun, 16 Jul 2023 06:19:10 -0400 https://reprap.org/forum/read.php?397,891312,892739#msg-892739 Re: A new design - CoreXrY https://reprap.org/forum/read.php?397,891312,892739#msg-892739
I got really excited when I saw this. I really liked the creativity.

I took a closer look at it. I'm fairly certain its actually a H-bot not a core-xy. Its got the same belt length, same twisting moment and if you look at it very much the same belt pattern. I can't actually see any advantages of this design over a regular H-bot other than it looks really rather cool at the cost of a bunch of extra pulleys.

Always cool to see something new though.]]> Crumb4650 CoreXY Machines Fri, 12 May 2023 09:11:00 -0400 https://reprap.org/forum/read.php?397,891312,891436#msg-891436 Re: A new design - CoreXrY https://reprap.org/forum/read.php?397,891312,891436#msg-891436
Quote
the_digital_dentist
What is the point of adding extra motors, unless you want to use motors that are insufficient to move the mechanism by themselves? And why would you want to do that?

1. Because the "virtual" beltlength decreases. Less belt-stretch and thus less ringing. You can make the printer larger without getting too much ringing.

2. Higher acceleration. From what I've read, just going with a longer or larger diameter motor doesn't achieve this. If you want very high acceleration (50k plus) you need two of those LDO Speedys (48mm length, NEMA17 diameter).]]> reaprap CoreXY Machines Sun, 25 Dec 2022 00:10:03 -0500 https://reprap.org/forum/read.php?397,891312,891423#msg-891423 Re: A new design - CoreXrY https://reprap.org/forum/read.php?397,891312,891423#msg-891423 NathanaelXYZ CoreXY Machines Thu, 22 Dec 2022 15:59:58 -0500 https://reprap.org/forum/read.php?397,891312,891349#msg-891349 Re: A new design - CoreXrY https://reprap.org/forum/read.php?397,891312,891349#msg-891349 the_digital_dentist CoreXY Machines Thu, 15 Dec 2022 10:33:28 -0500 https://reprap.org/forum/read.php?397,891312,891340#msg-891340 Re: A new design - CoreXrY https://reprap.org/forum/read.php?397,891312,891340#msg-891340
The VZ bot cad file linked doesn’t seem to have the belts, so a little hard to tell.]]> eadz CoreXY Machines Wed, 14 Dec 2022 15:53:16 -0500 https://reprap.org/forum/read.php?397,891312,891322#msg-891322 Re: A new design - CoreXrY https://reprap.org/forum/read.php?397,891312,891322#msg-891322
I guess this AWD design should also be possible with your XrY design?]]> reaprap CoreXY Machines Mon, 12 Dec 2022 04:42:19 -0500 https://reprap.org/forum/read.php?397,891312,891321#msg-891321 Re: A new design - CoreXrY https://reprap.org/forum/read.php?397,891312,891321#msg-891321 www.youtube.com]]]> eadz CoreXY Machines Sun, 11 Dec 2022 14:58:38 -0500 https://reprap.org/forum/read.php?397,891312,891320#msg-891320 Re: A new design - CoreXrY https://reprap.org/forum/read.php?397,891312,891320#msg-891320

]]> eadz CoreXY Machines Sun, 11 Dec 2022 14:51:59 -0500 https://reprap.org/forum/read.php?397,891312,891318#msg-891318 Re: A new design - CoreXrY https://reprap.org/forum/read.php?397,891312,891318#msg-891318
It might be a good way to build a large corexy printer.]]> the_digital_dentist CoreXY Machines Sun, 11 Dec 2022 10:38:54 -0500 https://reprap.org/forum/read.php?397,891312,891312#msg-891312 A new design - CoreXrY https://reprap.org/forum/read.php?397,891312,891312#msg-891312
I think I've come up with a new take on CoreXY. I call it CoreXrY for the rotational movement between the X and the Y belts.

I have details up here - [eaden.net] ( more to come )

But briefly, it uses 2 parallel closed belts for the A and B motors. This means less overall belt length. I have a working model.



Interested in peoples thoughts about the pros/cons.
]]> eadz CoreXY Machines Sun, 11 Dec 2022 03:53:58 -0500