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Advanced mathematical modelling and experimental investigation of new torque arms for shaft-mounted drives

Kosse, Vladis (2010) Advanced mathematical modelling and experimental investigation of new torque arms for shaft-mounted drives. In Teh, Kian, Davies, Ian, & Howard, Ian (Eds.) Proceedings of the 6th Australasian Congress on Applied Mechanics, Engineers Australia , Perth, Western Australia, pp. 1-10.

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Abstract

Shaft-mounted gearboxes are widely used in industry. The torque arm that holds the reactive torque on the housing of the gearbox, if properly positioned creates the reactive force that lifts the gearbox and unloads the bearings of the output shaft. The shortcoming of these torque arms is that if the gearbox is reversed the direction of the reactive force on the torque arm changes to opposite and added to the weight of the gearbox overloads the bearings shortening their operating life. In this paper, a new patented design of torque arms that develop a controlled lifting force and counteract the weight of the gearbox regardless of the direction of the output shaft rotation is described. Several mathematical models of the conventional and new torque arms were developed and verified experimentally on a specially built test rig that enables modelling of the radial compliance of the gearbox bearings and elastic elements of the torque arms. Comparison showed a good agreement between theoretical and experimental results.

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ID Code: 39316
Item Type: Conference Paper
Keywords: Shaft Mounted Drives, Torque Arms, Modelling, Experimental Investigation
ISBN: 9780858259416
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Dynamics Vibration and Vibration Control (091304)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Numerical Modelling and Mechanical Characterisation (091307)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Deposited On: 23 Dec 2010 11:48
Last Modified: 01 Mar 2012 00:27

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