S-Flex Assortment

S-Flex Coupling Variety System
The selection method for figuring out the right S-Flex coupling requires working with the charts shown about the following pages. You will find three parts to get chosen, two flanges and 1 sleeve.
Info essential before a coupling may be picked:
HP and RPM of Driver or working torque
Shaft dimension of Driver and Driven tools and corresponding keyways
Application or equipment description
Environmental ailments (i.e. extreme temperature, corrosive conditions, space limitations)
Steps In Picking An S-Flex Coupling
Step one: Decide the Nominal Torque in in-lb of your application by using the following formula:
Nominal Torque = (HP x 63025)/RPM
Stage 2: Using the Application Services Element Chart 1 select the support issue which very best corresponds for your application.
Phase 3: Determine the Design Torque of the application by multiplying the Nominal Torque calculated in Phase 1 by the Application Service Factor determined in Stage two.
Style Torque = Nominal Torque x Application Support Component
Phase four: Using the Sleeve Overall performance Information Chart two decide on the sleeve material which best corresponds for your application.
Phase 5: Employing the S-Flex Nominal Rated Torque Chart 3 find the acceptable sleeve material column for your sleeve chosen in Stage four.
Step 6: Scan down this column towards the to start with entry where the Torque Value inside the column is higher than or equal for the Style Torque calculated in Phase 3.
Refer to your highest RPM value in the coupling dimension to make sure that the application necessities are met. Should the optimum RPM worth is less than the application necessity, S-Flex couplings are usually not proposed to the application.
If Nominal Torque is less than 1/4 in the coupling’s nominalrated torque, misalignment capacities are reduced by 1/2. As soon as torque worth is located, refer for the corresponding coupling size from the initially column of the S-Flex Nominal Rated Torque Information Chart 3 .
Phase seven: Compare the application driver/driven shaft sizes towards the highest bore size readily available over the coupling chosen. If coupling max bore just isn’t significant ample to the shaft diameter, decide on the next largest coupling that will accommodate the driver/driven shaft diameters.
Stage eight: Working with the Item Assortment tables, obtain the suitable Keyway and Bore size essential and locate the quantity.


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