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Jaw Coupling Assortment Process

Jaw Kind Coupling Selection System
The choice process for identifying the proper jaw coupling size and elastomer requires using the charts proven about the following pages. There are 3 parts to be picked, two hubs and one elastomer. Once the shaft dimension from the driver and driven of the application are of the similar diameter, the hubs selected will probably be precisely the same. When shaft diameters differ, hubs chosen will vary accordingly.
Data important in advance of a coupling can be chosen:
HP (or KW) and RPM or Torque of driver
Shaft sizes of driver and driven tools and corresponding keyways
Application description
Environmental ailments (i.e. excessive temperature, corrosive disorders, area limitations)
Techniques In Selecting A Jaw Coupling
Stage one: Ascertain the Nominal Torque of one’s application by using the following formula:
Nominal Torque = in-lb = (HP x 63025)/RPM
Nm = (KW x 9550)/RPM
Step 2: Making use of the Application Service Things Chart 1 pick the support component which very best corresponds to your application.
Stage 3: Determine the Style and design Torque of the application by multiplying the Nominal Torque calculated in Stage 1 by the Application Services Factor determined in Stage two.
Design Torque = Nominal Torque x Application Services Factor
Phase 4: Working with the Spider Effectiveness Data Chart 2, decide on the elastomer material which best corresponds to your application.
Stage 5: Making use of the Jaw Nominal Rated Torque Chart 3 , find the proper elastomer materials column for your elastomer picked in Phase four.
Scan down this column to your initial entry in which the Torque Worth while in the ideal column is greater than or equal to the Layout Torque calculated in Phase 3.
After this worth is located, refer to your corresponding coupling size while in the 1st column on the Jaw Nominal Rated Torque Chart three .
Refer to the optimum RPM value for this elastomer torque capability to ensure that the application specifications are met. In case the necessity will not be pleased at this time, an additional type of coupling may very well be necessary to the application. Please talk to Lovejoy engineering for help.
Stage six: Assess the application driver/driven shaft sizes for the highest bore size accessible to the coupling picked. If coupling bore size is just not large adequate for the shaft diameter, choose the subsequent biggest coupling that may accommodate the driver/driven shaft diameters.
Stage seven: Employing the UPC number variety table , obtain the appropriate Bore and Keyway sizes demanded and locate the quantity.

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The use of original equipment manufacturer’s (OEM) part numbers or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the listed replacement parts contained herein are not sponsored, approved, or manufactured by the OEM.