S-Flex Selection

Process
S-Flex Coupling Assortment System
The selection method for identifying the appropriate S-Flex coupling demands using the charts shown over the following pages. You’ll find 3 elements for being selected, two flanges and one particular sleeve.
Details essential in advance of a coupling may be chosen:
HP and RPM of Driver or running torque
Shaft size of Driver and Driven products and corresponding keyways
Application or products description
Environmental situations (i.e. severe temperature, corrosive ailments, area limitations)
Techniques In Choosing An S-Flex Coupling
Phase 1: Decide the Nominal Torque in in-lb of your application by using the following formula:
Nominal Torque = (HP x 63025)/RPM
Phase 2: Utilizing the Application Support Aspect Chart one pick the services component which very best corresponds to your application.
Stage three: Determine the Style Torque of the application by multiplying the Nominal Torque calculated in Stage one from the Application Services Component determined in Phase 2.
Style Torque = Nominal Torque x Application Services Aspect
Stage 4: Using the Sleeve Performance Information Chart 2 decide on the sleeve material which greatest corresponds to your application.
Step five: Utilizing the S-Flex Nominal Rated Torque Chart three find the proper sleeve material column to the sleeve chosen in Step four.
Phase 6: Scan down this column for the initial entry wherever the Torque Value during the column is greater than or equal towards the Design Torque calculated in Stage 3.
Refer to the highest RPM value in the coupling size to be sure the application requirements are met. In the event the greatest RPM value is significantly less than the application requirement, S-Flex couplings will not be proposed for that application.
Note:
If Nominal Torque is less than 1/4 from the coupling’s nominalrated torque, misalignment capacities are reduced by 1/2. After torque value is located, refer to your corresponding coupling size in the to start with column on the S-Flex Nominal Rated Torque Information Chart three .
Phase seven: Examine the application driver/driven shaft sizes towards the optimum bore size accessible around the coupling chosen. If coupling max bore will not be substantial adequate for the shaft diameter, choose the next greatest coupling that may accommodate the driver/driven shaft diameters.
Stage eight: Employing the Item Variety tables, obtain the appropriate Keyway and Bore size expected and find the number.

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