Effect of servo and geometric errors of tilting-rotary tables on volumetric errors in five-axis machine tools

被引：13
|
作者：
Ding, Wenzheng [1 ]
Zhu, Xiaochun [1 ]
Huang, Xiaodiao [2 ]
机构：
[1] Nanjing Inst Technol, Jiangsu Key Lab Adv Numer Control Technol, Nanjing 211167, Jiangsu, Peoples R China
[2] Nanjing Univ Technol, Jiangsu Key Lab Digital Mfg Ind Equipment & Contr, Nanjing 210009, Jiangsu, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE | 2016年 / 104卷
基金：
中国国家自然科学基金;
关键词：
Servo errors; Geometric errors; Tilting-rotary table; Volumetric errors; Five-axis machine tool; COMPENSATION; IDENTIFICATION; CENTERS;
D O I：
10.1016/j.ijmachtools.2016.02.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The tilting-rotary table becomes a standard accessory for five-axis machine tools. An approach for volumetric errors evaluation taking into account servo and geometric errors of the tilting-rotary table is proposed in this paper. A simple machining model of volumetric circles is used to evaluate volumetric errors due to servo errors of the tilting-rotary table. A kinematic error model is used to predict the volumetric errors resulting from geometric errors associated with the tilting-rotary table. Then effects of the two error sources are added to predict the total volumetric errors. A test part obtained by improving the cone frustum specified in NAS979 is presented to validate this method. Cases studies with cutting experiments are carried out on a commercial five-axis machine tool. The results show that the proposed model is effective to evaluate the effect of servo and geometric errors of the tilting-rotary table on volumetric errors in the five-axis machine tool. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：37 / 44
页数：8
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