Design and manufacturing analyses are presented which are the basis for an integrated CAD/CAM system for cams. The design analysis begins with the lift schedule specified either by analytical functions or by discrete data points which are transformed to an analytical form by cubic spline interpolation. The required cam contour and its curvature at each point on the cam periphery are then derived. Machining of the required cam shape is analyzed for NC jig grinding, CNC grinding, and rocker grinding. For NC jig grinding only the geometrical aspects of the process are analyzed, but for CNC and rocker grinding both the geometrical and physical aspects of the process are considered for control of cam geometry and thermal damage. Integration of design and maufacturing tasks in this way allows for manufacturing characteristics and limitations to be taken into account in the design stage.
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November 1989
This article was originally published in
Journal of Engineering for Industry
Research Papers
Design and Manufacturing Analyses for Integrated CAD/CAM of Cams
Z. Gal-Tzur,
Z. Gal-Tzur
Technion-Israel Institute of Technology, Haifa, Israel
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M. Shpitalni,
M. Shpitalni
Technion-Israel Institute of Technology, Haifa, Israel
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S. Malkin
S. Malkin
Department of Mechanical Engineering, University of Massachusetts, Amherst, MA 01003
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Z. Gal-Tzur
Technion-Israel Institute of Technology, Haifa, Israel
M. Shpitalni
Technion-Israel Institute of Technology, Haifa, Israel
S. Malkin
Department of Mechanical Engineering, University of Massachusetts, Amherst, MA 01003
J. Eng. Ind. Nov 1989, 111(4): 307-314
Published Online: November 1, 1989
Article history
Received:
December 1, 1987
Revised:
October 1, 1988
Online:
July 30, 2009
Citation
Gal-Tzur, Z., Shpitalni, M., and Malkin, S. (November 1, 1989). "Design and Manufacturing Analyses for Integrated CAD/CAM of Cams." ASME. J. Eng. Ind. November 1989; 111(4): 307–314. https://doi.org/10.1115/1.3188765
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