Bulldozer Geardown Conceptual Calculations: Difference between revisions
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From [[Roller Chain Strength Table]] - the working strength of 100 pitch chain is 5000 lb. The [[15,000 Inch Pound Motor]]s provide 3x this force at 1" radius. For us to allow operation within working strength of single chain - we need to use a 3" radius sprocket, where force will be 1/3 of the rated 15,000 lb at 1" radius. this indicates that we would go from 3" to 6" sprocket to make everything fit: | From [[Roller Chain Strength Table]] - the working strength of 100 pitch chain is 5000 lb. The [[15,000 Inch Pound Motor]]s provide 3x this force at 1" radius. For us to allow operation within working strength of single chain - we need to use a 3" radius sprocket, where force will be 1/3 of the rated 15,000 lb at 1" radius. this indicates that we would go from 3" to 6" sprocket to make everything fit: | ||
<html></html> | <html><img src="https://docs.google.com/drawings/d/1tToSnMuJbF0nt5vOuDdVMwo2Z_Y0-MkCxAl1Qdf7odk/pub?w=972&h=445"></html> | ||
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[[Image:Chain.gif|frame|right|Roller chain and sprocket.]] | [[Image:Chain.gif|frame|right|Roller chain and sprocket.]] | ||
Revision as of 20:48, 1 June 2013
Core Calculations
From Roller Chain Strength Table - the working strength of 100 pitch chain is 5000 lb. The 15,000 Inch Pound Motors provide 3x this force at 1" radius. For us to allow operation within working strength of single chain - we need to use a 3" radius sprocket, where force will be 1/3 of the rated 15,000 lb at 1" radius. this indicates that we would go from 3" to 6" sprocket to make everything fit:
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Roller chain and sprocket.
Designs
1
motor
- 1-7/8" shaft
- 13T 80# sproket 1-7/8" bore
box
- 2" shaft
- 22T 80# sproket 2" bore
- 11T 100# sproket 2" bore
- 3" shaft
- 25T 100# sproket 2-15/16" bore
- 1.692:1
- 2.272:1
3.84
2
motor
- 1-7/8" shaft
- 14T 80# sproket 1-7/8" bore
box
- 2" shaft
- 22T 80# sproket 2" bore
- 11T 100# sproket 2" bore
- 3" shaft
- 25T 100# sproket 2-15/16" bore
- 1.571:1
- 2.272:1
3.57