bta深孔钻削在线测偏及纠偏技术分析word格式论文.docxVIP

The Research on Technology of On-line Detection of Deviating and On-line Rectification of BTA Deep Hole DrillingAbstractThe deep hole processing technology is widely used in the field of mechanical manufacturing, aerospace and defense equipment. The deep hole processing not only work in a state of enclosed, but also its processing environment is complex and process stability. Therefore, while in the process of deep hole processing, cutting tool easily affected by various objective factors, and finally lead to the deviation phenomenon. Deviating of the cutting tool directly affects straightness of the processed hole, and leads to rejection of the processed workpiece, and its will be seriously affecting the economic benefits. So it is very important to do more research on technology of on-line detection of deviating and on-line rectification of deep hole drilling.This paper discusses the background and significance of the research on technology of detection of deviating and rectification in the deep hole processing, through the development status of domestic and foreign, by evaluating various methods and technics on its. Then, this paper puts forward a kind of use of working principle of piezoelectric gauge force sensor for on-line detection of deviating and on-line rectification of BTA(Boring and Trepanning Association) deep hole drilling. This scheme owns a certain innovation in the field of deep hole processing.First of all, in order to solve the problem of axial deviation of BTA deep hole drilling, this paper researches the effect of the eccentric of guide bushing, processing methods, the layout of support pads and long holes drilling on the axial straightness of the deep hole drilling. Through the rational optimization of cutting method, the best axial hole straightness is obtained. Then, by using FLUENT fluid dynamics software to carry on number simulation for cutting fluid oil pressure system, in order that get cutting fluid changes of oil pressure andoil rate