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Item Information   Holdings       More by this author     Risch, Patrick     Subjects     Machinery -- Alignment     Structural analysis     Machine design     Shafting     MSE Project.     Browse Catalog     by author:      Risch, Patrick       by title:      The Falk Corporation...         MARC Display

The Falk Corporation 405 ABRCM alignment free gear drive torque-arm assembly redesign / Patrick Risch. by Risch, Patrick Subjects Machinery -- Alignment   Structural analysis   Machine design   Shafting   MSE Project. Description:  59 leaves : ill. ; 29 cm. Contents:  Committee advisor(s): Dr. Joseph Musto. The 405 ABRCM gear-drive advantages -- The 405 ABRCM gear-drive arrangement -- The current torque-arm assembly -- Torque-arm assembly functions -- Torque-arm misalignment -- Gear-drive center of gravity calculations -- Torque-arm reaction calculations -- Low speed shaft calculations -- Radial misalignment load calculations -- Current pin - characteristics -- Pin area and moment of inertia calculations -- 2-D beam program calculations -- Pin shear and bending stresses with radial misalignment -- New torque-arm assembly -- Mounting bracket design criteria -- Mounting bracket design -- Lower mounting bracket dimensions -- Upper mounting bracket dimensions -- Tolerance values of the upper and lower mounting bracket -- Lower bracket t-slot stresses -- Upper bracket stresses -- Shear and bending stress charts -- misalignment correction -- Rod-end assembly design -- Rod-end selection information -- New pin design -- New pin stresses -- Cost analysis. The Falk 405 ABRCM gearbox was designed to save the customer time and money. The customer would not have to set up a foundation for the gearbox and also the customer would not have to frequently align couplings. The purpose of the torque-arm is to support the gearbox assembly and give the required five degrees of freedom to the system. Torque-arm misalignment has been proven to cause low-speed shaft failures and torque-arm pin failures. Redesigning the torque-arm assembly would allow for correction of torque-arm misalignment errors without equipment modification. The criteria used for selection of the new assembly were as follows: first, alignment correction in the radial direction (30 degrees) and Z-direction (10 degrees); second, stronger torque-arm pins were required because of the pin failures that have occurred. Calculations were performed to determine the possible loads applied to the torque-arm. The loads were then used to determine stresses so each component could be sized and designed properly. The new torque-arm assembly consists of a two-piece mounting bracket for alignment correction. The torque-arm was changed from a single piece design to a two-piece rod end assembly. The two-piece rod-end assembly allows for easy lubrication and for a larger and stronger pin design.   Copy/Holding information Location Collection Call No. Status   Walter Schroeder Library Master's Theses AC805 .R57 2002 Available Add Copy to MyList Format: HTMLPlain textDelimited Subject:   Email to:

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