S-Flex Selection

S-Flex Coupling Choice Process
The variety method for determining the correct S-Flex coupling calls for utilizing the charts shown on the following pages. You will discover three parts to get selected, two flanges and one particular sleeve.
Info vital before a coupling might be selected:
HP and RPM of Driver or running torque
Shaft size of Driver and Driven gear and corresponding keyways
Application or gear description
Environmental disorders (i.e. intense temperature, corrosive ailments, room limitations)
Techniques In Selecting An S-Flex Coupling
Step 1: Ascertain the Nominal Torque in in-lb of the application through the use of the following formula:
Nominal Torque = (HP x 63025)/RPM
Step 2: Employing the Application Support Aspect Chart one select the support issue which greatest corresponds for your application.
Stage three: Determine the Style Torque of your application by multiplying the Nominal Torque calculated in Step one by the Application Service Element established in Stage 2.
Style and design Torque = Nominal Torque x Application Service Factor
Phase 4: Making use of the Sleeve Effectiveness Data Chart 2 pick the sleeve materials which greatest corresponds for your application.
Stage 5: Employing the S-Flex Nominal Rated Torque Chart 3 locate the proper sleeve material column to the sleeve selected in Stage four.
Stage six: Scan down this column for the initially entry the place the Torque Value while in the column is greater than or equal to your Style and design Torque calculated in Step 3.
Refer on the maximum RPM worth of the coupling dimension to make certain the application requirements are met. In case the maximum RPM value is less than the application necessity, S-Flex couplings are usually not proposed for that application.
If Nominal Torque is significantly less than 1/4 in the coupling’s nominalrated torque, misalignment capacities are lowered by 1/2. After torque value is located, refer for the corresponding coupling dimension during the to start with column with the S-Flex Nominal Rated Torque Data Chart three .
Stage 7: Assess the application driver/driven shaft sizes on the maximum bore dimension readily available on the coupling picked. If coupling max bore is just not significant sufficient for your shaft diameter, decide on the next biggest coupling that should accommodate the driver/driven shaft diameters.
Step eight: Utilizing the Item Variety tables, find the acceptable Keyway and Bore dimension expected and locate the variety.


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