Jaw Sort Coupling Selection Procedure
The choice procedure for figuring out the appropriate jaw coupling dimension and elastomer demands making use of the charts proven over the following pages. You can find three elements to be selected, two hubs and a single elastomer. Once the shaft dimension of the driver and driven of the application are of the same diameter, the hubs selected are going to be precisely the same. When shaft diameters vary, hubs chosen will vary accordingly.
Facts vital before a coupling can be picked:
HP (or KW) and RPM or Torque of driver
Shaft sizes of driver and driven gear and corresponding keyways
Application description
Environmental disorders (i.e. severe temperature, corrosive circumstances, space limitations)
Ways In Choosing A Jaw Coupling
Step one: Figure out 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
Phase two: Using the Application Services Components Chart 1 pick the service issue which most effective corresponds to your application.
Step 3: Determine the Style Torque of your application by multiplying the Nominal Torque calculated in Phase 1 from the Application Support Issue established in Phase 2.
Layout Torque = Nominal Torque x Application Services Component
Step four: Making use of the Spider Functionality Data Chart 2, pick the elastomer materials which finest corresponds for your application.
Step 5: Making use of the Jaw Nominal Rated Torque Chart 3 , locate the appropriate elastomer material column for the elastomer picked in Step four.
Scan down this column towards the very first entry in which the Torque Value from the appropriate column is better than or equal for the Style Torque calculated in Step three.
As soon as this value is found, refer on the corresponding coupling size inside the initial column of your Jaw Nominal Rated Torque Chart 3 .
Refer to your greatest RPM value for this elastomer torque capability to ensure that the application requirements are met. When the necessity isn’t happy at this point, one more form of coupling may be necessary for that application. Please check with Lovejoy engineering for support.
Phase 6: Examine the application driver/driven shaft sizes to your highest bore dimension obtainable around the coupling picked. If coupling bore dimension just isn’t significant ample for the shaft diameter, decide on the following greatest coupling that could accommodate the driver/driven shaft diameters.
Phase seven: Utilizing the UPC quantity choice table , find the suitable Bore and Keyway sizes needed and find the amount.