Study on the Chucking Force of Electro-Magnetic Chuck
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概要
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The clamping condition of a workpiece and/or a tool has a considerable effect on the machining efficiency and machining accuracy. It is, therefore, necessary to examine the clamping characteristics of chucks and fixtures. This paper describes the clamping characteristics of an electro-magnetic chunk which is one of the most commonly used clamping attachments in a surface grinder. The distribution of magnetic flux density and the normal and the tangential component of the chucking force were measured using the gauss meter and the strain gauge type load cell. From the measured results, the following conclusions can be drawn ; 1) The distribution of magnetic flux density is not uniform, being variable with the perpendicular position to the separator. 2) The chucking force is not always in proportion to the contact area and the relative position between the workpiece and the magnetic poles has a remarkable effect on it. 3) The clamping characteristics are significantly influenced by the contact conditions such as the surface roughness and the flatness of a workpiece.
- 一般社団法人日本機械学会の論文
著者
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SAITO Yoshio
Department of General Education,Faculty of Medical Science,Toho University
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Nishiwaki Nobuhiko
Tokyo Institute Of Technology
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Nishiwaki Nobuhiko
Tokyo University Of Agriculture And Technology
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OOTANI Tadasu
Canon Co.
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OKIMOTO Kazutaka
Nippon Koukan Co.
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Saito Yoshio
Department Of Electronics And Information Science Kyoto Institute Of Technology
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Saito Yoshio
Department Of Mechanical Engineer Tokyo Institute Of Technology
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SAITO Yoshio
Department of Chemistry, Faculty of Science and Technology, Keio Univerisity
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