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Alternative TitleProcessing Calculation Method of 5-axis NC Spiral Trajectory Based on Parametric Surface Mapping
周波; 赵吉宾; 刘伟军; 李论
Source Publication机械工程学报
Indexed ByEI ; CSCD
EI Accession number20131616214607
Contribution Rank1
Funding Organization国家重点基础研究发展计划(973计划,2011CB302400); 国家自然科学基金(50975274,51175479)资助项目
Keyword五轴数控加工 偏微分方程 映射规则 螺旋轨迹
Other AbstractUsing 5-axis CNC machine tools for high speed machining, once a mutation occurs somewhere in the processing interference and mutations of surface corner, the mutation of tool axis vector may occur rapidly, while the use of traditional methods including retracting and then engaging again, will inevitably lead to reduce the product quality and process efficiency. To solve the above problems, a novelty path generation algorithm for 5-axis high speed machining is proposed. The processes are carried out which are using partial differential equations of heat conduction model and defining the projection parameters of projection region for the calculation of contours within the projection region, selecting out of the temperature contours which meet the processing conditions, defining the mapping rules and planning processing trajectory within the standard parameter domain, then mapping trajectory to the corresponding parameter domain to generate spiral trajectory, and mapping the spiral trajectory to the parametric surface to generate the spiral processing trajectory. This processing trajectory can be achieved without retracting processing. Using the above algorithm to obtain the simulation results, it shows that the new method is superior to traditional processing methods. The results also show that this method can achieve high-speed processing based on the complexity of parametric surfaces and cavity of trimmed surface.
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Document Type期刊论文
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GB/T 7714
周波,赵吉宾,刘伟军,等. 基于参数曲面映射的五轴数控螺旋加工轨迹计算方法[J]. 机械工程学报,2013,49(5):100-109.
APA 周波,赵吉宾,刘伟军,&李论.(2013).基于参数曲面映射的五轴数控螺旋加工轨迹计算方法.机械工程学报,49(5),100-109.
MLA 周波,et al."基于参数曲面映射的五轴数控螺旋加工轨迹计算方法".机械工程学报 49.5(2013):100-109.
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