S-Flex Coupling Choice System
The variety system for determining the proper S-Flex coupling involves working with the charts shown to the following pages. There are actually three parts to become chosen, two flanges and a single sleeve.
Data important before a coupling may be chosen:
HP and RPM of Driver or running torque
Shaft size of Driver and Driven gear and corresponding keyways
Application or tools description
Environmental problems (i.e. severe temperature, corrosive problems, space limitations)
Actions In Selecting An S-Flex Coupling
Phase one: Establish the Nominal Torque in in-lb of the application by utilizing the following formula:
Nominal Torque = (HP x 63025)/RPM
Stage two: Working with the Application Services Issue Chart 1 select the support component which best corresponds for your application.
Step three: Calculate the Design and style Torque of the application by multiplying the Nominal Torque calculated in Stage one from the Application Support Issue determined in Phase two.
Design Torque = Nominal Torque x Application Support Factor
Stage four: Applying the Sleeve Effectiveness Data Chart two pick the sleeve material which best corresponds for your application.
Phase 5: Making use of the S-Flex Nominal Rated Torque Chart 3 find the acceptable sleeve materials column to the sleeve picked in Stage four.
Phase 6: Scan down this column for the 1st entry wherever the Torque Worth from the column is higher than or equal to the Layout Torque calculated in Step 3.
Refer to your highest RPM value with the coupling dimension to guarantee that the application necessities are met. If your highest RPM worth is less than the application requirement, S-Flex couplings are usually not advised for that application.
If Nominal Torque is much less than 1/4 with the coupling’s nominalrated torque, misalignment capacities are reduced by 1/2. After torque worth is found, refer to your corresponding coupling dimension inside the first column from the S-Flex Nominal Rated Torque Data Chart 3 .
Stage seven: Review the application driver/driven shaft sizes towards the optimum bore size out there about the coupling selected. If coupling max bore just isn’t large enough to the shaft diameter, pick the following largest coupling that will accommodate the driver/driven shaft diameters.
Step 8: Using the Item Assortment tables, come across the ideal Keyway and Bore size demanded and find the variety.