Jaw Coupling Assortment Method

Jaw Style Coupling Variety Procedure
The choice method for figuring out the right jaw coupling dimension and elastomer requires utilizing the charts proven on the following pages. There are three elements for being chosen, two hubs and one particular elastomer. When the shaft dimension with the driver and driven from the application are in the very same diameter, the hubs selected will likely be precisely the same. When shaft diameters vary, hubs selected will vary accordingly.
Information necessary just before a coupling is often 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. intense temperature, corrosive disorders, space limitations)
Techniques In Choosing A Jaw Coupling
Stage 1: Ascertain the Nominal Torque of one's application through the use of the next formula:
Nominal Torque = in-lb = (HP x 63025)/RPM
Nm = (KW x 9550)/RPM
Phase two: Working with the Application Service Elements Chart one decide on the support component which greatest corresponds to your application.
Phase three: Determine the Layout Torque of your application by multiplying the Nominal Torque calculated in Step one from the Application Services Element determined in Stage 2.
Design and style Torque = Nominal Torque x Application Services Component
Stage 4: Working with the Spider Efficiency Information Chart 2, choose the elastomer materials which greatest corresponds to your application.
Phase five: Making use of the Jaw Nominal Rated Torque Chart three , find the proper elastomer materials column for that elastomer chosen in Stage 4.
Scan down this column towards the to start with entry where the Torque Value from the appropriate column is better than or equal towards the Design and style Torque calculated in Phase three.
When this value is found, refer on the corresponding coupling size during the first column from the Jaw Nominal Rated Torque Chart 3 .
Refer towards the highest RPM worth for this elastomer torque capability to ensure that the application specifications are met. If your requirement is not really satisfied at this time, a further sort of coupling could possibly be needed for that application. Please talk to Lovejoy engineering for support.
Phase six: Assess the application driver/driven shaft sizes for the highest bore size readily available within the coupling picked. If coupling bore dimension is not really substantial enough for that shaft diameter, choose the next greatest coupling that could accommodate the driver/driven shaft diameters.
Step seven: Working with the UPC number selection table , obtain the ideal Bore and Keyway sizes essential and locate the variety.

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