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TECHNICAL PAPERS

Forces and Energy in Circular Sawing and Grinding of Granite

[+] Author and Article Information
Xipeng Xu, Yuan Li

Department of Mechanical Engineering, National Huaqiao University, Quanzhou, Fujian, 362011, P.R. of China

Stephen Malkin

Department of Mechanical & Industrial Engineering, University of Massachusetts, Amherst, MA 01003-2210e-mail: malkin@ecs.umass.edu

J. Manuf. Sci. Eng 123(1), 13-22 (Mar 01, 2000) (10 pages) doi:10.1115/1.1344900 History: Received September 01, 1999; Revised March 01, 2000
Copyright © 2001 by ASME
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References

Figures

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SEM photographs of sawn and ground surfaces: (a) sawing, ap=30 mm and vw=175 mm/s (b) sawing, ap=30 mm and vw=350 mm/s (c) grinding, ap=0.015 mm and vw=100 mm/s (d) grinding, ap=0.010 mm and vw=100 mm/s
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Average normal contact stress versus infeed velocity normal to the contact zone
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Illustration of undeformed chip geometry
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Normal force per grain versus maximum undeformed chip thickness: (a) sawing, and (b) grinding
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G-Ratio versus maximum undeformed chip thickness
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Specific energy versus maximum undeformed chip thickness: (a) sawing, and (b) grinding
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Power per unit width versus rate of plowed surface area generated per unit width
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Relative position of resultant force in contact zone, k, versus contact zone length
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G-Ratio versus specific material removal rate for sawing
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Ratio of tangential to normal force versus specific material removal rate for grinding
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Tangential force per unit width, normal force per unit width, and force ratio versus specific material removal rate for sawing
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Tangential force versus horizontal force: (a) sawing, and (b) grinding
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Illustration of force components exerted by the workpiece on diamond tool: (a) sawing at large depths of cut, and (b) sawing and grinding at shallow depths of cut.
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Grinding force components per unit width, power per unit width, and specific grinding energy versus specific material removal rate
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Sawing force components per unit width, power per unit width, and specific sawing energy versus specific material removal rate
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Illustration of sawing and grinding in down mode

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