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Februar 22, 2021

Course of action
S-Flex Coupling Variety Method
The selection course of action for determining the correct S-Flex coupling involves utilizing the charts proven within the following pages. You’ll find 3 parts for being chosen, two flanges and one particular sleeve.
Information and facts essential ahead of a coupling may be selected:
HP and RPM of Driver or running torque
Shaft size of Driver and Driven tools and corresponding keyways
Application or products description
Environmental circumstances (i.e. extreme temperature, corrosive situations, area limitations)
Methods In Selecting An S-Flex Coupling
Stage one: Determine the Nominal Torque in in-lb of one’s application by utilizing the following formula:
Nominal Torque = (HP x 63025)/RPM
Step two: Applying the Application Support Component Chart 1 decide on the services issue which greatest corresponds for your application.
Stage three: Determine the Design Torque of the application by multiplying the Nominal Torque calculated in Step one from the Application Service Component established in Step two.
Style and design Torque = Nominal Torque x Application Service Aspect
Phase 4: Working with the Sleeve Efficiency Data Chart 2 choose the sleeve materials which ideal corresponds for your application.
Phase five: Utilizing the S-Flex Nominal Rated Torque Chart three find the ideal sleeve material column for the sleeve chosen in Step four.
Stage 6: Scan down this column for the initially entry where the Torque Worth within the column is higher than or equal to your Style and design Torque calculated in Stage 3.
Refer to the optimum RPM worth with the coupling dimension to ensure that the application specifications are met. When the optimum RPM worth is significantly less than the application necessity, S-Flex couplings are usually not proposed for the 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 worth is found, refer for the corresponding coupling size within the 1st column of the S-Flex Nominal Rated Torque Data Chart 3 .
Stage 7: Evaluate the application driver/driven shaft sizes to your greatest bore size offered to the coupling selected. If coupling max bore will not be big adequate for the shaft diameter, pick the next largest coupling which will accommodate the driver/driven shaft diameters.
Stage 8: Employing the Item Choice tables, uncover the acceptable Keyway and Bore dimension expected and locate the quantity.