Using Hysteresis Loop and Torsional Shock Loading to Assess Damping and Efficiency of Cyclodrives
Kosse, Vladis (2007) Using Hysteresis Loop and Torsional Shock Loading to Assess Damping and Efficiency of Cyclodrives. In Randall, B. (Ed.) 14th International Congress on Sound and Vibration (ICSV14), 9-12 July 2007, Cairns, Qld.
Cyclodrives gained popularity in the last 10...15 years. They posses many unique features such as large reduction ratio in one stage and ability to withstand up to 500% shock overloading. They are much smaller than conventional drives with a similar reduction ratio. They posses 'lost motion' up to (plus/minus)28 degrees, which can be attributed to clearances and contact deformation, and it plays much greater role in Cyclodrives performance than in other kinds of drives. Despite many interesting characteristics of Cyclodrives very few research publications are available on Cyclodrive features and dynamics. In this paper a comparative analysis is conducted of Cyclodrives and other kinds of drives with very large reduction ratio in one stage. Results of experimental study of the hysteresis phenomenon in Cyclodrives and damping properties derived from dickey curves under torsional impact load are presented. The static efficiency of Cyclodrives was significantly lover of the dynamic efficiency reported by the manufacturer (in excess of 92.5%) when they are loaded up to the nominal torque, and significantly decreases when they are overloaded to 4 times the nominal torque.
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|Item Type:||Conference Paper|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Mechanical Engineering not elsewhere classified (091399)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
|Copyright Owner:||Copyright 2007 (please consult author)|
|Deposited On:||17 Nov 2008|
|Last Modified:||29 Feb 2012 13:31|
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