Bronze Bushing: Difference between revisions
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(Created page with "*5/16" ID for Universal Axis - 3/4" long - [https://www.mcmaster.com/#6391k406/=1cu9tex] - $1.58") |
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*5/16" ID for Universal Axis - 3/4" long - [https://www.mcmaster.com/#6391k406/=1cu9tex] - $1.58 | *5/16" ID for Universal Axis - 3/4" long - [https://www.mcmaster.com/#6391k406/=1cu9tex] - $1.58. 0.09 cubic inch volume - bronze is 0.3 lb per cubic inch - so each bearing is 0.03 lb. | ||
*3D printing - 1/4 lb of bronze filamet is $45. For the above 3/4" bushings - only 8 can be printed - so about $6 each. | |||
*If we reduce the length to 1/4" - we get down to $2 per bushing - still 4x as expensive as linear ball bearings. | |||
Revision as of 18:32, 14 May 2018
- 5/16" ID for Universal Axis - 3/4" long - [1] - $1.58. 0.09 cubic inch volume - bronze is 0.3 lb per cubic inch - so each bearing is 0.03 lb.
- 3D printing - 1/4 lb of bronze filamet is $45. For the above 3/4" bushings - only 8 can be printed - so about $6 each.
- If we reduce the length to 1/4" - we get down to $2 per bushing - still 4x as expensive as linear ball bearings.