Archive > 2016 > June 2016 > Worm Gear Efficiency Estimation and Optimization

Worm Gear Efficiency Estimation and Optimization - June 2016

The article "Worm Gear Efficiency Estimation and Optimization" appeared in the June 2016 issue of Gear Technology.

Summary
This paper outlines the comparison of efficiencies for worm gearboxes with a center distance ranging from 28 - 150 mm that have single reduction from 5 to 100:1. Efficiencies are calculated using several standards (AGMA, ISO, DIN, BS) or by methods defined in other bibliographic references. It also deals with the measurement of torque and temperature on a test rig — required for the calibration of an analytical model to predict worm gearbox efficiency and temperature. And finally, there are examples of experimental activity (wear and friction measurements on a blockon- ring tribometer and the measurements of dynamic viscosity) regarding the effort of improving the efficiency for worm gear drivers by adding nanoparticles of fullerene shape to standard PEG lubricant

Keywords
worm gears, efficiency, worm drives, worm gearboxes, Varvel S.p.A.

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