System
S-Flex Coupling Variety Procedure
The selection approach for determining the correct S-Flex coupling calls for making use of the charts shown within the following pages. There are actually 3 elements for being picked, two flanges and 1 sleeve.
Facts essential ahead of a coupling can be chosen:
HP and RPM of Driver or running torque
Shaft size of Driver and Driven equipment and corresponding keyways
Application or tools description
Environmental circumstances (i.e. severe temperature, corrosive situations, area limitations)
Techniques In Deciding on An S-Flex Coupling
Phase 1: Decide the Nominal Torque in in-lb of one’s application by utilizing the following formula:
Nominal Torque = (HP x 63025)/RPM
Phase 2: Utilizing the Application Support Issue Chart 1 pick the support factor which most effective corresponds to your application.
Stage 3: Calculate the Design and style Torque of your application by multiplying the Nominal Torque calculated in Step 1 through the Application Service Aspect established in Stage 2.
Style Torque = Nominal Torque x Application Support Aspect
Phase four: Employing the Sleeve Overall performance Information Chart 2 choose the sleeve materials which finest corresponds to your application.
Stage 5: Utilizing the S-Flex Nominal Rated Torque Chart three find the appropriate sleeve materials column for the sleeve chosen in Step 4.
Phase 6: Scan down this column for the initial entry the place the Torque Worth in the column is better than or equal to your Design Torque calculated in Phase 3.
Refer for the highest RPM worth of your coupling size to be sure that the application necessities are met. If the highest RPM worth is less than the application requirement, S-Flex couplings are certainly not encouraged to the application.
Note:
If Nominal Torque is significantly less than 1/4 with the coupling’s nominalrated torque, misalignment capacities are decreased by 1/2. As soon as torque value is located, refer for the corresponding coupling size while in the initially column with the S-Flex Nominal Rated Torque Information Chart 3 .
Stage 7: Review the application driver/driven shaft sizes to your highest bore dimension readily available about the coupling picked. If coupling max bore is not substantial ample to the shaft diameter, select the subsequent largest coupling that can accommodate the driver/driven shaft diameters.
Phase 8: Working with the Item Choice tables, uncover the appropriate Keyway and Bore dimension expected and find the variety.