Error analysis and in-process compensation on cup wheel grinding of hard sphere

被引：8
|
作者：
Li, Dongdong [1 ]
Xu, Mingming [1 ]
Wei, Chenjun [1 ]
Hu, Dejin [1 ]
Xu, Liming [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200030, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE | 2011年 / 51卷 / 06期
关键词：
Error analysis; Sphere grinding; Cup wheel; Adjustable depth of cut; SURFACES;
D O I：
10.1016/j.ijmachtools.2011.03.004
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Grinding using cup wheel has been widely used in hard sphere machining process. In conventional sphere grinding (CSG), the linear velocity of the point with the same latitude on the sphere varies, which causes the sphericity error. The misalignment of the machine tool is another source of sphericity error. In this paper, these two types of sphericity errors are analyzed, and an adjustable depth of cut sphere grinding (ADCSG) is proposed to reduce the sphericity error. CSG and ADCSG were carried out on a home-made MD6050 NC precision sphere grinding machine, and the effectiveness of ADCSG is demonstrated with grinding tests. The results showed that ADCSG can reduce the sphericity error effectively compared with CSG. The sphericity error can reach less than 5 mu m. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：543 / 548
页数：6
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