Abstract
Polymer gears are replacing metal gears in various applications nowadays. Polymer gears are deployed in lightweight applications and frequently used in robotic field. Various type of movement takes place in robot. Therefore, transmission efficiency (TE) is a key concerned for robot motion. Transmission efficiency very much depends on the pinion and gear materials. Gear tooth surface temperature affects the transmission efficiency of polymer gears. In the current work, Acrylonitrile Butadiene Styrene (ABS) gears are manufactured through injection molding. Transmission efficiency is investigated for ABS to ABS gear pairs and ABS to steel gear pairs. Fabricated gears are run at various speeds of 600, 800, 1000, and 1200 rpm and different torque values of 0.8, 1.2, 1.6, and 2 Nm for investigating the TE. Test gears are made to run up to 1.2 × 105 rotations during each experiment. The result finding shows that ABS to steel gear pairs have high transmission efficiency as compared to ABS to ABS gear pairs.
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