The Application of Meta Functions to the Quasi-Static Analysis of Workpiece Displacement Within a Machining Fixture

[+] Author and Article Information
M. J. Hockenberger

Precision Grinding and Manufacturing Co., Rochester, NY 14606

E. C. De Meter

Department of Industrial and Manufacturing Engineering, The Pennsylvania State University, University Park, PA 16802

J. Manuf. Sci. Eng 118(3), 325-331 (Aug 01, 1996) (7 pages) doi:10.1115/1.2831032 History: Received August 01, 1994; Revised April 01, 1995; Online January 17, 2008


Spherical-tipped locators and clamps are often used for the restraint of workpieces during machining. For structurally rigid fixtures and workpieces, contact region deformation, slip, and lift-off are the predominant modes of workpiece displacement during clamp actuation and machining. This paper presents a general model for the quasi-static analysis of workpiece displacement. It also shows how meta functions can be applied to simplify the modeling of contact forces. Through the use of meta functions, the general model can be formulated and solved quickly. This paper concludes with a description of an experimental study used to validate this model.

Copyright © 1996 by The American Society of Mechanical Engineers
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