Effect of additional current on cutting mechanism of free machining steels in turning

被引：0
|
作者：
Tanaka, R [1 ]
Hosokawa, A [1 ]
Yamada, K [1 ]
Ueda, T [1 ]
机构：
[1] Kanazawa Univ, Grad Sch Nat Sci & Technol, Div Mech Sci & Engn, Kanazawa, Ishikawa 9208667, Japan
来源：
PROGRESS OF MACHINING TECHNOLOGY | 2004年
关键词：
turning; carbide tool; tool wear; free machining steel; belag; AlN; electrical current;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It is well known that the electro motive force generated at an interface between tool and workplece in cutting influences on the shape of built-up edge and the tool life. There is, however, few reports about the current flow in the closed circuit of tool-workpiece-machine on the behavior of deposited layer called "belag" observed in machining workmaterials such as calcium deoxidized steel and BN added steel and so on. This paper deals with the machinability of steels in turning with additional current. Tested workmaterials were plane carbon steel JIS S45C and BN added steel which has good machinability at high cutting speed. Turning tests were performed by carbide tool P30 in order to investigate the influence of electrical conditions of closed circuit system on the cutting mechanism of BN added steel. The tool life, cutting force, chip geometries and others were investigated practically and these results were discussed.
引用
收藏
页码：786 / 791
页数：6
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