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Rearrange bearing distributor list 

- It didn't need to take up so many lines
- Also added Bosch's contact locator tool to make it easier for people
  to find other distributors, as suggested by /u/d4baller
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George Bryant 2021-01-31 15:28:20 +00:00
parent 8e91b2cb83
commit 3f0c12e528
1 changed files with 7 additions and 16 deletions
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23
hardware/Mechanicals-BTU-Mod/README.md
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@ -8,7 +8,7 @@ Ball transfer units (or BTUs) are omnidirectional bearings, as opposed to the si
This mod is a new 3D-printable top piece for the Ploopy which contains holes for ball transfer units instead of roller bearings.
Designer: [George Bryant](https://github.com/gbrnt) with help from [/u/d4baller](https://reddit.com/user/d4baller)
Designer: [George Bryant](https://github.com/gbrnt) with help and bearing advice from [/u/d4baller](https://reddit.com/user/d4baller)
## Versions
### v3
@ -24,21 +24,12 @@ Currently untested! It might collide with something internally, particularly if
## Buying the BTUs
The particular BTU this mod is designed for is the Bosch-Rexroth R053010810, or KU-B8-OFK. A set of three is about 20-30 USD, depending on where in the world you are and where you buy them from. Here are some sources we've found so far:
* [Bosch-Rexroth](https://www.boschrexroth.com/en/xc/products/product-groups/linear-motion-technology/ball-transfer-units-and-tolerance-rings/ball-transfer-units/r0530-with-sheet-steel-housing/r0530-1-with-sheet-steel-housing)
* UK (and worldwide?)
* Requires you to be a company (have a VAT number)
* [Livhaven](https://store.livhaven.com/r053010810-bosch-rexroth-ball-transfer-unit)
* US-based
* Doesn't require you to be a company, but overseas shipping is expensive
* [L-System](https://l-system.nu/webshop/linear-technology/ball-transfer-units-and-tolerance-rings/ball-transfer-units/type-r0530/ball-transfer-unit-ku-b8-ofk/)
* Sweden-based
* Allows you to select "private customer" but still has mandatory field for VAT number
* [Spareparts](https://www.sp-spareparts.com/en/p/r053010810-bosch-rexroth)
* Ireland-based? Ships to UK, and maybe elsewhere.
* Does not require you to be a company.
* [Rodivago](https://rodavigo.net/es/p/bola-transportadora-con-carter-de-metal-laminado-ref-053010810/557053010810
* Spain-based
* May require being a company.
* [Bosch-Rexroth](https://www.boschrexroth.com/en/xc/products/product-groups/linear-motion-technology/ball-transfer-units-and-tolerance-rings/ball-transfer-units/r0530-with-sheet-steel-housing/r0530-1-with-sheet-steel-housing) - UK and worldwide, but requires you to be a company (e.g. have a VAT number)
* [Livhaven](https://store.livhaven.com/r053010810-bosch-rexroth-ball-transfer-unit) - US-based. Doesn't require company information, but overseas shipping is expensive.
* [L-System](https://l-system.nu/webshop/linear-technology/ball-transfer-units-and-tolerance-rings/ball-transfer-units/type-r0530/ball-transfer-unit-ku-b8-ofk/) - Sweden-based. Might allow private customers to buy.
* [Spareparts](https://www.sp-spareparts.com/en/p/r053010810-bosch-rexroth) - Ireland-based. Ships to UK and maybe elsewhere. Does sell to private customers.
* [Rodivago](https://rodavigo.net/es/p/bola-transportadora-con-carter-de-metal-laminado-ref-053010810/557053010810) - Spain-based. May require being a company.
* For other sources, try Bosch-Rexroth's [contact locator tool](https://addresses.boschrexroth.com/) - find a distributor near you, and search for the bearing part number on their website.
## Printing
With a speed of 50-60mm/s, support on the build plate and a layer height of 0.3mm you should get a print time of ~12.5 hours. It may be worth tweaking various settings to reduce it further.