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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 2    No. 4    November 1992

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OPTIMIZING THE CUTTER FOR SLANTING KNIFE CUTTING OPERATION AND ITS BLANKING FORCE
Chen  Xuesheng

Wuhan Institute of Technology, 430070 Wuhan, China

Abstract:The cutting force under a slanting cutter is discussed. It is not only related to the sheet to be cut and the slanting cutter height, but also to the shape of the cutter. It is from this point of view that the question of optimizing the cutter for slanting knife cutting operation is addressed. Then the general differential equations for the optimum cutter are obtained, and analytic solutions for the workpiece, the contour of which consists of straight lines and arcs, are obtained. A method for solving the general equations is also presented.The cutting force and breaking noise will be minimized for a given slanting cutter height and workpiece if the optimum cutter is employed.

 

Key words:   slanting knife cutting operation  blanking force  optimum cutter

ISSN 1672-7029
CN 43-1423/U

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