S-Flex Assortment

S-Flex Coupling Selection Approach
The selection procedure for determining the correct S-Flex coupling needs applying the charts shown to the following pages. You can find 3 parts to be chosen, two flanges and one particular sleeve.
Data important before a coupling can be chosen:
HP and RPM of Driver or working torque
Shaft size of Driver and Driven tools and corresponding keyways
Application or products description
Environmental disorders (i.e. severe temperature, corrosive situations, area limitations)
Methods In Picking An S-Flex Coupling
Stage 1: Figure out the Nominal Torque in in-lb of your application through the use of the following formula:
Nominal Torque = (HP x 63025)/RPM
Step 2: Making use of the Application Services Element Chart 1 decide on the service factor which finest corresponds to your application.
Stage three: Calculate the Design and style Torque of the application by multiplying the Nominal Torque calculated in Phase 1 from the Application Service Factor established in Phase 2.
Design and style Torque = Nominal Torque x Application Support Element
Phase 4: Applying the Sleeve Overall performance Information Chart 2 decide on the sleeve material which most effective corresponds for your application.
Phase five: Applying the S-Flex Nominal Rated Torque Chart 3 locate the acceptable sleeve materials column for that sleeve selected in Stage 4.
Phase six: Scan down this column on the initially entry where the Torque Value in the column is better than or equal for the Design and style Torque calculated in Stage three.
Refer towards the optimum RPM worth of your coupling size to make certain the application demands are met. In case the optimum RPM worth is much less than the application requirement, S-Flex couplings are certainly not advised for that application.
If Nominal Torque is significantly less than 1/4 on the coupling’s nominalrated torque, misalignment capacities are diminished by 1/2. The moment torque worth is found, refer for the corresponding coupling size during the first column from the S-Flex Nominal Rated Torque Information Chart 3 .
Phase 7: Assess the application driver/driven shaft sizes to your highest bore dimension obtainable over the coupling picked. If coupling max bore isn’t significant enough for the shaft diameter, select the following greatest coupling that could accommodate the driver/driven shaft diameters.
Step 8: Making use of the Item Assortment tables, locate the appropriate Keyway and Bore size demanded and locate the quantity.


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