Jaw Style Coupling Assortment Approach
The variety process for determining the proper jaw coupling dimension and elastomer calls for employing the charts proven about the following pages. You’ll find three elements to get chosen, two hubs and 1 elastomer. Once the shaft dimension on the driver and driven in the application are of your identical diameter, the hubs selected will be precisely the same. When shaft diameters differ, hubs picked will vary accordingly.
Details important in advance of a coupling might be chosen:
HP (or KW) and RPM or Torque of driver
Shaft sizes of driver and driven gear and corresponding keyways
Application description
Environmental situations (i.e. excessive temperature, corrosive conditions, space limitations)
Ways In Choosing A Jaw Coupling
Phase 1: Establish the Nominal Torque of the application by utilizing the next formula:
Nominal Torque = in-lb = (HP x 63025)/RPM
Nm = (KW x 9550)/RPM
Stage two: Working with the Application Service Things Chart 1 select the service aspect which finest corresponds for your application.
Step 3: Calculate the Layout Torque of one’s application by multiplying the Nominal Torque calculated in Phase 1 through the Application Service Element established in Stage two.
Style and design Torque = Nominal Torque x Application Support Component
Phase four: Employing the Spider Functionality Data Chart 2, decide on the elastomer material which finest corresponds for your application.
Phase five: Utilizing the Jaw Nominal Rated Torque Chart three , locate the appropriate elastomer materials column for that elastomer selected in Phase four.
Scan down this column to the initial entry wherever the Torque Worth from the proper column is better than or equal towards the Layout Torque calculated in Phase three.
The moment this worth is found, refer to the corresponding coupling dimension during the initially column of the Jaw Nominal Rated Torque Chart 3 .
Refer for the greatest RPM value for this elastomer torque capability to make certain that the application necessities are met. If your requirement just isn’t happy at this time, a different style of coupling might be essential for that application. Please seek the advice of Lovejoy engineering for support.
Stage 6: Compare the application driver/driven shaft sizes to the maximum bore size accessible over the coupling picked. If coupling bore dimension is just not substantial ample for the shaft diameter, select the next largest coupling that may accommodate the driver/driven shaft diameters.
Phase seven: Making use of the UPC number selection table , locate the appropriate Bore and Keyway sizes required and locate the amount.