Rail Deflections

From Teamnumber1

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

http://www.mcmaster.com/

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