Type of Document Master's Thesis Author Wolff, Andrew Vincent Author's Email Address firstname.lastname@example.org URN etd-05102004-214649 Title Analysis of a Split-Path Gear Train with Fluid-Film Bearings Degree Master of Science Department Mechanical Engineering Advisory Committee
Advisor Name Title Kirk, R. Gordon Committee Chair Inman, Daniel J. Committee Member Reinholtz, Charles F. Committee Member Keywords
- split path
- split torque
Date of Defense 2004-05-06 Availability unrestricted AbstractIn the current literature, split path gear trains are analyzed for use in helicopter transmissions and marine gearboxes. The goal in these systems is to equalize the torque in each path as much as possible. There are other gear trains where the operator intends to hold the torque split unevenly. This allows for control over the gearbox bearing loading which in turn has a direct effect on bearing stiffness and damping characteristics. Having control over these characteristics is a benefit to a designer or operator concerned with suppressing machine vibration.
This thesis presents an analytical method for analyzing the torque in split path gear trains. A computer program was developed that computes the bearing loads in various gearbox arrangements using the torque information gathered by the analytical method. A case study is presented that demonstrates the significance of the analytical method in troubleshooting an industrial gearbox that has excessive vibration.
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