Jaw Sort Coupling Variety Process
The assortment approach for figuring out the proper jaw coupling size and elastomer calls for working with the charts proven around the following pages. There are three components to be picked, two hubs and one elastomer. When the shaft size of 
the driver and driven of your application are from the same diameter, the hubs selected will be the identical. When shaft diameters differ, hubs chosen will vary accordingly.
Info necessary just before a coupling may be selected:
HP (or KW) and RPM or Torque of driver
Shaft sizes of driver and driven gear and corresponding keyways
Application description
Environmental problems (i.e. extreme temperature, corrosive circumstances, room limitations)
Ways In Picking A Jaw Coupling
Stage one: Decide the Nominal Torque of the application by utilizing the next formula:
Nominal Torque = in-lb = (HP x 63025)/RPM
Nm = (KW x 9550)/RPM
Step 2: Utilizing the Application Service Factors Chart 1 choose the support element which ideal corresponds for your application.
Phase three: Calculate the Style Torque of the application by multiplying the Nominal Torque calculated in Phase one from the Application Support Element established in Stage two.
Style and design Torque = Nominal Torque x Application Service Component
Stage 4: Making use of the Spider Efficiency Information Chart 2， select the elastomer material which very best corresponds for your application.
Step 5: Making use of the Jaw Nominal Rated Torque Chart 3 , locate the suitable elastomer materials column for your elastomer picked in Stage four.
Scan down this column towards the initially entry in which the Torque Value while in the ideal column is higher than or equal for the Style Torque calculated in Phase three.
The moment this value is located, refer to the corresponding coupling size within the initial column with the Jaw Nominal Rated Torque Chart three .
Refer for the optimum RPM worth for this elastomer torque capability to be sure that the application demands are met. Should the requirement is not satisfied at this point, one more type of coupling may be needed for your application. Please seek the advice of Lovejoy engineering for support.
Step six: Review the application driver/driven shaft sizes towards the maximum bore dimension offered to the coupling picked. If coupling bore dimension will not be massive sufficient to the shaft diameter, select the following biggest coupling that could accommodate the driver/driven shaft diameters.
Phase seven: Employing the UPC number choice table , discover the ideal Bore and Keyway sizes essential and find the number.
