Rail Deflections
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The Excel file contain tables of maximum deflections & diameters: [http://editthis.info/TeamNumber1/Image:2007_04_12_rail_deflections.xls excel file]. | The Excel file contain tables of maximum deflections & diameters: [http://editthis.info/TeamNumber1/Image:2007_04_12_rail_deflections.xls excel file]. | ||
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| + | Based on sensitivity of the errors, we chose a rail diameter of 1/2", and equivalent bushings specified below. | ||
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| + | ==Bushing Selection== | ||
| + | |||
| + | http://www.mcmaster.com/ | ||
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| + | Plain Bearings | ||
| + | This product matches all of your selections. | ||
| + | |||
| + | Part Number: 2610T17 | ||
| + | $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 | ||
Revision as of 20:25, 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
$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
