摘要
针对深孔瓶腔零件加工难题,采用动力减振方式设计一套大长径比的镗杆。在理论模型的分析基础上,初步设计镗杆结构。对于不能作为设计变量的参数,则设计几组相关参数,利用虚拟样机技术分别建立仿真模型,通过仿真对减振效果进行比较。从而确定性能最优的模型;对于可作为设计变量的参数,则利用ADAMS的优化计算,确定系统的最佳参数。然后根据最佳的参数设计镗杆。最后,对减振镗杆进行切削实验,验证减振效果。通过切削实验对比,减振镗杆镗孔的质量要明显好于普通镗杆,并在实际生产中解决了一个深孔瓶腔零件的加工问题。
The boring hole in a bottleneck part is a difficult problem.A vibration absorption boring bar is designed for solving the problem.First,some dimension parameters of the boring bar are designed based on the analysis of the theoretical model.In order to design the parameters which can＇t be regarded as variables,a couple of parameters are designed and their models are built by using virtual prototype technology.The best model is selected by comparing the effect of vibration.In addition,the best parameters of the system variables are calculated by optimization with ADAMS（Automatic Dynamic Analysis of Mechanical System）.Then the boring bar is designed using the best parameters of the system.Finally,cutting experiments are done to verify the effect of vibration damping.The result of the experiment shows that the vibration absorption boring bar is working better than the normal bar.The vibration absorption boring bar is also used in the production department for machining the part.The quality of the hole can meet the demand of the process department.
出处
《机械科学与技术》
CSCD
北大核心
2010年第10期1408-1411,1416,共5页
Mechanical Science and Technology for Aerospace Engineering
基金
中央高校基本科研业务类专项资金项目
数字化设计制造项目(SWJTU09ZT06)
教育部新世纪人才计划支持项目资助
关键词
虚拟样机
动力减振
深孔瓶腔零件
镗杆设计
virtual prototype
vibration absorption
bottleneck part
boring bar designing
