S-Flex Coupling Choice Procedure
The selection process for figuring out the correct S-Flex coupling involves utilizing the charts proven to the following pages. You will discover 3 parts to be chosen, two flanges and a single sleeve.
Information and facts necessary in advance of a coupling might be picked:
HP and RPM of Driver or running torque
Shaft dimension of Driver and Driven products and corresponding keyways
Application or products description
Environmental problems (i.e. extreme temperature, corrosive situations, area limitations)
Measures In Picking An S-Flex Coupling
Step 1: Figure out the Nominal Torque in in-lb of the application by using the following formula:
Nominal Torque = (HP x 63025)/RPM
Step 2: Making use of the Application Services Aspect Chart one select the support issue which very best corresponds to your application.
Phase 3: Calculate the Layout Torque of the application by multiplying the Nominal Torque calculated in Step 1 by the Application Support Element established in Phase 2.
Design Torque = Nominal Torque x Application Services Factor
Step four: Utilizing the Sleeve Efficiency Data Chart two pick the sleeve material which greatest corresponds for your application.
Phase five: Applying the S-Flex Nominal Rated Torque Chart 3 find the ideal sleeve materials column for that sleeve chosen in Step four.
Phase six: Scan down this column to your to start with entry where the Torque Worth while in the column is better than or equal on the Layout Torque calculated in Phase 3.
Refer towards the highest RPM value in the coupling size to be sure the application necessities are met. In case the maximum RPM value is less compared to the application necessity, S-Flex couplings will not be recommended to the application.
If Nominal Torque is significantly less than 1/4 of your coupling’s nominalrated torque, misalignment capacities are diminished by 1/2. When torque worth is located, refer towards the corresponding coupling dimension during the initial column with the S-Flex Nominal Rated Torque Data Chart three .
Step seven: Compare the application driver/driven shaft sizes for the greatest bore dimension out there to the coupling selected. If coupling max bore will not be large enough for the shaft diameter, choose the following greatest coupling that will accommodate the driver/driven shaft diameters.
Step 8: Working with the Item Variety tables, find the appropriate Keyway and Bore dimension demanded and locate the quantity.