S-Flex Variety

S-Flex Coupling Choice Method
The choice approach for determining the proper S-Flex coupling calls for employing the charts shown within the following pages. You will discover 3 parts to become selected, two flanges and one sleeve.
Info essential in advance of a coupling can be selected:
HP and RPM of Driver or operating torque
Shaft size of Driver and Driven equipment and corresponding keyways
Application or gear description
Environmental circumstances (i.e. extreme temperature, corrosive conditions, area limitations)
Steps In Deciding on An S-Flex Coupling
Phase 1: Determine the Nominal Torque in in-lb of one’s application by using the following formula:
Nominal Torque = (HP x 63025)/RPM
Step 2: Employing the Application Service Aspect Chart 1 select the services issue which most effective corresponds to your application.
Phase 3: Determine the Style Torque of one’s application by multiplying the Nominal Torque calculated in Step 1 by the Application Services Element established in Stage two.
Style and design Torque = Nominal Torque x Application Support Factor
Stage 4: Working with the Sleeve Functionality Information Chart 2 select the sleeve materials which most effective corresponds for your application.
Phase 5: Utilizing the S-Flex Nominal Rated Torque Chart 3 find the proper sleeve materials column for your sleeve chosen in Step 4.
Step six: Scan down this column for the first entry in which the Torque Worth while in the column is higher than or equal to your Design and style Torque calculated in Step three.
Refer on the optimum RPM worth on the coupling size to be sure the application demands are met. In case the optimum RPM value is much less than the application requirement, S-Flex couplings will not be suggested to the application.
If Nominal Torque is less than 1/4 from the coupling’s nominalrated torque, misalignment capacities are diminished by 1/2. After torque worth is located, refer on the corresponding coupling dimension within the 1st column of the S-Flex Nominal Rated Torque Data Chart 3 .
Step 7: Assess the application driver/driven shaft sizes to the maximum bore size obtainable within the coupling picked. If coupling max bore isn’t massive ample for your shaft diameter, choose the next biggest coupling that should accommodate the driver/driven shaft diameters.
Phase eight: Applying the Item Variety tables, locate the acceptable Keyway and Bore size necessary and locate the variety.


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