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From the ultrasonic bombardment deformation processing treatment mannered null head of the metal which is superior in
From the ultrasonic bombardment deformation processing treatment mannered null head of the metal which is superior in
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机译:经超声波轰击变形加工处理后,金属的零头表现出优异的加工性能。
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摘要
PROBLEM TO BE SOLVED: To provide a tool for shock-plastic working and a working method with which a fatigue-strength of a corner part existing at the edge part of a metal is improved.;SOLUTION: In the enlarged diameter-state tool for shock-plastic working treatment, whose outer diameter is gradually enlarged from a head part 8 toward a tip end part; the tip end part 5 surface is formed as smooth curved surface and the shape of a side surface from the head part 8 to the tip end part 5 surface is formed as the enlarged diameter so as to become an exponential function-shape. At this time, the shape of the side surface 2 from the head part 8 to the tip end surface can be formed as the enlarged diameter so as to become the exponential function-shape, or can be formed so as to optimize the radius of the curvature on the tip end surface.;COPYRIGHT: (C)2007,JPO&INPIT
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