... and/or the tooth top land can become pointed. An approach to circumvent this dilemma is to make the gear mesh helical and use the face contact ratio to boost the overall contact ratio to a value greater than one [( 7 8 )]. aerospace engineering design engineering gears greases mechanical testing oils...

... procedure and evaluation of the design have been presented. 21 05 2010 31 03 2011 08 06 2011 08 06 2011 design engineering mechanical testing rotors turbomachinery The trend in the engineering field for rotating machinery is to design smaller and faster machines...

... 2007 20 05 2008 gears mechanical engineering computing mechanical testing power transmission (mechanical) Gear system durability depends upon a number of design, manufacturing, and assembly related variations. This is especially true in planetary gears, where there are a number...

... received September 2003; revised January 2004. Associate Editor: E. Sancaktar. 01 September 2003 01 January 2004 28 10 2004 fasteners plates (structures) failure (mechanical) plastic deformation mechanical testing The self-loosening process of a bolted joint consists...