S-Flex Choice

Procedure
S-Flex Coupling Variety System
The selection process for determining the right S-Flex coupling calls for utilizing the charts shown over the following pages. There are actually three elements to become picked, two flanges and one particular sleeve.
Facts important in advance of a coupling might be picked:
HP and RPM of Driver or working torque
Shaft size of Driver and Driven tools and corresponding keyways
Application or tools description
Environmental disorders (i.e. excessive temperature, corrosive disorders, room limitations)
Steps In Deciding on An S-Flex Coupling
Step 1: Identify the Nominal Torque in in-lb of the application by using the following formula:
Nominal Torque = (HP x 63025)/RPM
Phase two: Applying the Application Service Component Chart one pick the services factor which very best corresponds for your application.
Step 3: Calculate the Design and style Torque of the application by multiplying the Nominal Torque calculated in Step one through the Application Support Factor determined in Stage 2.
Style Torque = Nominal Torque x Application Services Aspect
Stage four: Applying the Sleeve Overall performance Data Chart two select the sleeve materials which very best corresponds for your application.
Step 5: Employing the S-Flex Nominal Rated Torque Chart three find the suitable sleeve material column for the sleeve selected in Step four.
Phase six: Scan down this column for the first entry the place the Torque Value in the column is greater than or equal to your Design and style Torque calculated in Step three.
Refer towards the maximum RPM value in the coupling size to ensure that the application demands are met. When the maximum RPM worth is significantly less than the application necessity, S-Flex couplings are usually not recommended for that application.
Note:
If Nominal Torque is less than 1/4 of your coupling’s nominalrated torque, misalignment capacities are diminished by 1/2. When torque value is located, refer to the corresponding coupling size within the initially column from the S-Flex Nominal Rated Torque Information Chart three .
Phase seven: Review the application driver/driven shaft sizes towards the highest bore dimension out there on the coupling picked. If coupling max bore is just not significant enough to the shaft diameter, decide on the subsequent biggest coupling which will accommodate the driver/driven shaft diameters.
Stage 8: Making use of the Item Variety tables, discover the appropriate Keyway and Bore size expected and locate the number.

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