Rail Deflections
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- | The Mathcad file for determining rail deflection from a given diameter, and vice-versa: [http://editthis.info/TeamNumber1/Image: | + | The Mathcad file for determining rail deflection from a given diameter, and vice-versa: [http://editthis.info/TeamNumber1/Image:2007_04_12_rail_deflections.xmcd mathcad file]. |
- | The Excel file contain tables of maximum deflections & diameters: [http://editthis.info/TeamNumber1/Image: | + | The Excel file contain tables of maximum deflections & diameters: [http://editthis.info/TeamNumber1/Image:2007_04_12_rail_deflections.xls excel file]. |
+ | |||
+ | Based on sensitivity of the errors, we chose a rail diameter of 1/2", and equivalent bushings specified below. | ||
+ | |||
+ | |||
+ | ==Bushing Selection== | ||
+ | |||
+ | http://www.mcmaster.com/ | ||
+ | |||
+ | Plain Bearings | ||
+ | This product matches all of your selections. | ||
+ | |||
+ | Part Number: 2610T17 | ||
+ | |||
+ | Cost: | ||
+ | <nowiki> $2.98 Each</nowiki> | ||
+ | |||
+ | Material | ||
+ | Plastic | ||
+ | |||
+ | Plastic Type | ||
+ | Delrin | ||
+ | |||
+ | Type | ||
+ | Sleeve Bearings | ||
+ | |||
+ | For Shaft Diameter | ||
+ | 1/2" | ||
+ | |||
+ | Shaft Diameter Tolerance | ||
+ | +0.002" to -0.000" | ||
+ | |||
+ | Outside Diameter | ||
+ | 5/8" | ||
+ | |||
+ | Outside Diameter Tolerance | ||
+ | +0.002" to -0.000" | ||
+ | |||
+ | Length | ||
+ | 3/8" | ||
+ | |||
+ | Length Tolerance | ||
+ | ±0.005" | ||
+ | |||
+ | Load (P Max) | ||
+ | 1,000 | ||
+ | |||
+ | Speed (V Max) | ||
+ | 1,000 | ||
+ | |||
+ | Load at Speed (PV Max) | ||
+ | 2,700 | ||
+ | |||
+ | Temperature Range | ||
+ | -20° to +180° F | ||
+ | |||
+ | Specifications Met | ||
+ | Not Rated |
Current revision as of 20:27, 13 April 2007
The Mathcad file for determining rail deflection from a given diameter, and vice-versa: mathcad file.
The Excel file contain tables of maximum deflections & diameters: excel file.
Based on sensitivity of the errors, we chose a rail diameter of 1/2", and equivalent bushings specified below.
Bushing Selection
Plain Bearings This product matches all of your selections.
Part Number: 2610T17
Cost: $2.98 Each
Material Plastic
Plastic Type Delrin
Type Sleeve Bearings
For Shaft Diameter 1/2"
Shaft Diameter Tolerance +0.002" to -0.000"
Outside Diameter 5/8"
Outside Diameter Tolerance +0.002" to -0.000"
Length 3/8"
Length Tolerance ±0.005"
Load (P Max) 1,000
Speed (V Max) 1,000
Load at Speed (PV Max) 2,700
Temperature Range -20° to +180° F
Specifications Met Not Rated