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Lovejoy
FARR Rigid Couplings

FARR Rigid Couplings

Product catalog summary

Overview: The document outlines technical specifications and guidelines for FARR Couplings by Lovejoy, Inc., designed for rigid connections in low-speed applications such as gearboxes and conveyors. It also covers various coupling products and provides contact information for Lovejoy's global offices.

Specifications: FARR Couplings are constructed from heat-treated 4140 alloy steel with male and female piloted hubs, ensuring 80% hub-to-shaft contact. They include safety keeper plates and are assembled with Grade 8 bolts and Grade 'C' Prevailing Torque nuts. Standard torque ranges from 11,300 to 2,138,000 in-lbs, with larger sizes available.

Selection Guide: Selecting the right coupling requires application details, horsepower, RPM, gearbox ratio, output speed, shaft sizes, overhang load, and lever arm distance. Application torque is calculated using T (in-lb) = HP x 63025 / RPM, and design torque is determined by applying a 2.0 service factor. The coupling must meet or exceed the design torque.

Dimensional Data: A table provides dimensional data for various coupling sizes, including maximum bore, overall length, weight, bolt specifications, and tightening torque requirements.

Performance Data: Includes torque capacity in in-lb and Nm, maximum unbalanced RPM, and maximum bore size. It stresses verifying bore capacity and recommends a drive system analysis by Lovejoy Application Engineering.

Features: FARR Couplings offer increased torque capacity, extended length through bore, and a keeper plate design for enhanced safety and performance.

Product Specifications: Lists various coupling types such as Straight Jaw, Gear, Disc, ROSTA® Grid, Jaw In-Shear, Curved Jaw, Universal Joints, Torsional, Motion Control, S-Flex Couplings, and Shaft Locking Devices.

Selection Form: A form for customers to provide details like contact information, application specifics, motor horsepower, speed, reducer ratio, shaft diameters, lever arm distance, and overhung load weight.

Contact Information: Includes contact details for Lovejoy's headquarters in the USA and offices in Germany and Canada, with phone, fax, and email information.

Certifications: Lovejoy, Inc. is ISO 9001-2000 certified, ensuring adherence to quality management standards.

Catalog excerpts

A. Obtain The Following Information: s Application s Horsepower & RPM s Gearbox (Reducer) Ratio s Output Speed s All Shaft Sizes s Overhang Load s Lever Arm > (Distance from end of Gearbox output Shaft to Center-Line of Gearbox or Center Line of Gravity) B. Calculate Application Torque: D. Select coupling with a torque capacity equal to or greater than the Design Torque from the Performance Data table.E. Verify that the Bore capacity of the coupling will meet the application shaft requirements.F. The Male pilot hub to always be used on the Reducer (Gearbox or Driver) shaft and the Female pilot...

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