High speed interpolation for micro-line trajectory and adaptive real-time look-ahead scheme in CNC machining

doi:10.1007/s11431-011-4329-9

CSpace

	High speed interpolation for micro-line trajectory and adaptive real-time look-ahead scheme in CNC machining
	Zhang LiXian 1,2; Sun RuiYong 1,2; Gao XiaoShan 1; Li HongBo 1
	2011-06-01
发表期刊	SCIENCE CHINA-TECHNOLOGICAL SCIENCES
ISSN	1674-7321
卷号	54 期号:6 页码:1481-1495
摘要	CNC machining plays an important role in mechanical manufacturing. A key issue is to improve the machining feedrate while keeping the machining precision and satisfying the acceleration constraints of the CNC machine. For the consecutive micro-line segments interpolation, the velocities at the junction of two segments are the bottlenecks for the machining efficiency. This paper proposes a multi-period turning method to improve the feedrate at the junctions using the linear acceleration and deceleration mode, which utilizes the maximal acceleration capabilities of the NC machine while satisfying the machining precision. A new and more efficient look-ahead method and a feedrate override method are also proposed to boast the global machining speed. The proposed algorithm has been implemented on Blue Sky NC System, and experimented in real material manufacturing. Compared with several existing algorithms, the current algorithm can improve the manufacturing time ranging from 50% to 180%, depending on the machining parameters, and also results in better machining quality. In addition, the algorithm also satisfies the need of real-time interpolation.
关键词	CNC micro-line segment multi-period turning look-ahead scheme real-time interpolation feedrate override
DOI	10.1007/s11431-011-4329-9
语种	英语
资助项目	National Key Basic Research Project of China[2011CB302400] ; National Natural Science Foundation of China[60821002] ; National Natural Science Foundation of China[10871195] ; National Natural Science Foundation of China[10925105] ; Major National S&T Project "Advanced CNC Systems" ; CAS
WOS研究方向	Engineering ; Materials Science
WOS类目	Engineering, Multidisciplinary ; Materials Science, Multidisciplinary
WOS记录号	WOS:000290940000019
出版者	SCIENCE PRESS
引用统计
文献类型	期刊论文
条目标识符	http://ir.amss.ac.cn/handle/2S8OKBNM/11588
专题	中国科学院数学与系统科学研究院
通讯作者	Zhang LiXian
作者单位	1.Chinese Acad Sci, AMSS, Key Lab Math Mechanizat, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Zhang LiXian,Sun RuiYong,Gao XiaoShan,et al. High speed interpolation for micro-line trajectory and adaptive real-time look-ahead scheme in CNC machining[J]. SCIENCE CHINA-TECHNOLOGICAL SCIENCES,2011,54(6):1481-1495.
APA	Zhang LiXian,Sun RuiYong,Gao XiaoShan,&Li HongBo.(2011).High speed interpolation for micro-line trajectory and adaptive real-time look-ahead scheme in CNC machining.SCIENCE CHINA-TECHNOLOGICAL SCIENCES,54(6),1481-1495.
MLA	Zhang LiXian,et al."High speed interpolation for micro-line trajectory and adaptive real-time look-ahead scheme in CNC machining".SCIENCE CHINA-TECHNOLOGICAL SCIENCES 54.6(2011):1481-1495.