摘要
针对多轴加工过程中刀具接触点不断变化而导致刀具每齿磨损分布预测不精确的问题,提出了一种考虑刀具跳动的每齿重叠磨损分布模型。基于刀具几何模型和磨损的切削刃轨迹模型建立了每齿单元磨损模型;基于每齿铣削机理和刀具跳动建立了考虑实际切削深度和实际切削接触点的每齿重叠磨损分布模型;通过刀具磨损切削试验案例验证了模型预测精度。试验结果与数值仿真相比:每齿重叠磨损分布预测结果与试验数据具有较好的一致性。
To solve the problem of inaccurate prediction of wear distribution per tooth caused by continuous change of tool contact points in the processing of multi-axis machine tool,a wear overlap distribution model with tool run-out was established.The element wear distribution per tooth model was developed by tool geometry model and worn cutting edge trajectory model.The wear overlap distribution per tooth model with actual cutting depth and contact point of each flute was proposed by the milling mechanism per tooth and tool run-out.A case study was carried out to validate the prediction accuracy of the proposed model.The comparison results show that there is a good agreement between simulation and experiment results.
作者
全宏杰
张春燕
郭建峰
QUAN Hongjie;ZHANG Chunyan;GUO Jianfeng(Jiangsu Rugao Secondary Specialized School,Nantong 226500,CHN;Jiangsu University of Science and Technology,Zhenjiang 212100,CHN)
出处
《制造技术与机床》
北大核心
2023年第7期54-60,共7页
Manufacturing Technology & Machine Tool
基金
镇江市重点研发资助项目(GY2020007)。
关键词
多轴加工
每齿重叠磨损分布
实际切削深度
实际切削接触点
multi-axis machining
wear overlap distribution per tooth
actual cutting depth
actual cutting contact point
