超声振动车削,ultrasonic vibration turning
1)ultrasonic vibration turning超声振动车削
1.Theultrasonic vibration turning system was divided appropriately into some subsystems, and the mechanical impedance of each subsystem was analyzed and calculated, then the resonance frequency of assembled system was worked out using impedance synthesis method.对超声振动车削系统进行了合理分解 ,分析计算了各子结构 (部件 )的机械阻抗 ,然后应用机械阻抗综合法求得组合系统的共振频率 ,为在试验中寻求系统的谐振点提供了理论依据。
2.Through the contrast experiment in which SiC p/Al composites are machined by common turning andultrasonic vibration turning method with PCD cutters, the influence of three kinds of cutting parameters such as cutting velocity, amount of feed and cutting depth on the cutting force in the two kinds of turning process is discussed.用PCD刀具对SiCp/Al复合材料进行了超声振动车削与普通车削的对比试验 ,探讨了切削速度、进给量和切深三种切削参数在两种切削状态下对切削力的影响规律 ,得出了超声振动车削SiCp/Al复合材料的主切削力经验公式。
英文短句/例句
1.Study on Cutting Force and Temperature in Ultrasonic VibrationTurning of 45 Hardened Steel with PCBN CuttersPCBN刀具超声振动车削45淬火钢的切削力与温度研究
2.Research and development of ultrasonic turning vibration CAE system超声车削振动系统的CAE研究与开发
3.Experimental Study on Ultrasonically Assisted Turning Slender Shaft细长轴超声波辅助振动车削试验研究
4.Experimental Study on Grinding Temperature of Different Material in Ultrasonic Plane Grinding不同材料超声振动磨削的磨削温度实验研究
5.Application Situation & Development Trend of Supersonic Vibration Cutting Technique……超声振动切削技术研究应用概况与发展动向(上)
6.Research on Chip Deformation in Ultrasonic Vibration Cutting With SEM超声振动切削切屑变形的扫描电镜研究
7.Study on Technology of Rotary Ultrasonic Longitudinal Vibration Drilling for Micro Holes;微小孔旋转超声轴向振动钻削技术研究
8.Study of Ultrasonic Vibration Precision Cutting for Plastic Material;塑性材料超声振动精密切削技术的研究
9.Study on Experiment of Ultrasonic Vibration Turning 45 Hardened Steel with PCBN ToolPCBN刀具超声振动切削45淬硬钢的试验研究
10.The Basic Technology Research on the Ultrasonic Milling of CFRP碳纤维复合材料超声振动铣削的技术基础研究
11.Study on Ultrasonic Grinding Vibrations Characteristic Experiment Based on Hypothesized Instrument基于虚拟仪器的超声磨削振动特性实验研究
12.Research on the surface characteristics in ultrasonic milling of CFRP超声振动铣削碳纤维复合材料表面特征研究
13.Study on Ductile Grinding Character of Nano ZrO_2 Ceramics using Ultrasonic Vibration Grinding纳米ZrO_2陶瓷的超声振动延性域磨削特性研究
14.Study on the Grinding Surface Temperature of Ultrasonic Vibration Aided Face Grinding超声振动辅助端面磨削表面温度场研究
15.Experimental Research on Grinding Temperature of ZrO_2 in Ultrasonic Grinding Dressed by Elliptic Vibration椭圆振动修整超声磨削ZrO_2温度试验研究
16.Research on Micro-surface Formation Mechanism of Ultrasonic Elliptical Vibration Cutting超声椭圆振动切削表面形貌形成机理的研究
17.The results show that vibration parameters have a great effect on the surface roughness and the tool life.在精密车床上进行了金刚石刀具超声振动切削不锈钢零件的加工实验。
18.Monitoring and Analysis of Acoustic Emission and Vibration Signal During Hard Cutting Process硬车削过程中声发射和振动信号的监测及分析
相关短句/例句
ultrasonic vibration turning超声波振动车削
1.The paper gives an analysis of the high frequency vari-speed characteristics in the unseparated typeultrasonic vibration turning (UVT) and proposes a mechanism of chatter suppression with the unseparated type UVT.详尽地分析了不分离型超声波振动车削的高频变速特征,提出不分离型超声波振动车削抑制颤振的机理,并用实验予以验证,这是对传统超声波振动切削理论的突破。
2.This paper has brought to light the microcosmic mechanism ofultrasonic vibration turning(UVT)reducing chatter bay means of AMRAY-1000B Scanning Electron Microscope(SEM).作者应用AMRAY-1000B型扫描电镜(SEM)揭示出超声波振动车削抑制颤振的微观本质。
3)ultrasonic vibration cutting超声振动切削
1.With orthogonal test, investigation is done to the influence of stock removal and cutter material on the service life of cutting tools in cutting stainless steel (1Cr18Ni9Ti) withultrasonic vibration cutting.通过正交试验研究了超声振动切削不锈钢材料 (1 Cr1 8Ni9Ti)时切削用量和刀具材料对刀具寿命的影响 ,并与普通切削进行了对比试验 ,阐明了不锈钢加工采用超声振动切削的优越性 ,给出了合理的切削用量和合适的刀具材
2.Cutting performance of metallic matrix particulate reinforced composites SiCp/Al inultrasonic vibration cutting and common cutting is experimentally researched.通过试验研究了普通和超声切削新型颗粒增强金属基复合材料SiCp/Al的切削特性 ,得到了超声振动切削该新材料的切屑形态、切屑变形系数、剪切角和表面残余应力的变化规律 ,研究表明 :金属基复合材料的切削过程不完全是塑性材料的切削过程 ,而是有些类似脆性材料的破坏形式 ,超声振动切削复合材料和振动切削其他塑性材料的规律较为相似 ,但由于材料本身的结构特点 ,形成的切屑仍属于塑性和半塑性的节状切屑 ,此外振动切削的切向残余压应力较普通切削大 ,在试验的切深下 ,残余压应力随切削深度的变化不显
4)Ultrasonic Vibration Grinding超声振动磨削
1.Kinematics Analysis onUltrasonic Vibration Grinding;超声振动磨削运动学分析
2.As we can develop the platform on Labview to establish the grinding online processing the vibration signal testing system,the ultrasonic vibration grinding characteristic was analyzed.虚拟仪器可利用计算机强大的软件功能实现信号数据的运算、分析和处理,所以采用虚拟仪器技术对磨削在线加工进行测试,以Labview为开发平台,建立磨削在线加工的振动信号测试系统,从而分析超声振动磨削特性。
5)Ultrasonic Vibration Cutting超声波振动切削
1.This paper deals with not only the roughness of the surface of GFRP and deoxidised copper but also the tool life of hardened steel and molybdenum by ultrasonic vibration cutting with artificial superhard tool.研究了人造超硬刀具超声波振动切削纤维增强复合塑料和无氧铜的表面粗糙度以及淬火钢和金属钼的刀具耐用度,得到了一些重要的结果。
6)Ultrasonic Vibration Drilling超声振动钻削
1.The Test of Sonic Wave Vibration System in theUltrasonic Vibration Drilling;超声振动钻削系统中声振系统的试验研究
2.Research on the design of ultrasonic vibration drilling acoustic system;超声振动钻削声学系统的设计研究
3.A method of ultrasonic vibration drilling is presented to the hole machining of metal matrix composites.采用超声振动钻削的方法对金属基复合材料进行孔加工。
延伸阅读
超声波振动拔管超声波振动拔管tube drawing with ultrasonic vibrationehaoshengbo zhendong baguanl超声波振动拔管(tube drawing with ultra-;soni。vibration)在对拔管模或芯棒或同时对两{者施加超声波振动的条件下进行的管材冷拔。超声波振动拔管原理是将高频电谐振通过换能器转换成机械振动,并将振动能量通过聚能器传播到变形区中,改变金属变形的性质和应力状悉,系统框图如图l。实用的振动外模的声传递系统如图2。采用这一传声系统是为了换模方便和不增加锤头长度。振动芯棒的声传递系统如图3。哗孵州僵 图1超声波振动拔管系统框图1爵馗图2实用声波传递系统 1一外模;2一外套;3一固定点;4一聚能器;5一振子1 2 5 8 191乒贰令鲁,4 3 679图3拔制内凸筋管时超声振动芯棒系统1、2、3一换能器;4、5、6一聚能器;7一压力轴承,8一拉杆;9一芯棒,10一外模;n一管料换能器部件之一的振子是采用镍片叠合而成的。利用磁性材料在外磁场作用下产生微小宏观变形在单方向伸长和缩短,也可能产生体积收缩或膨胀(磁致伸缩效应),将高频电谐振变为机械振动。处于工作状态的磁致伸缩换能器的等效电路如图4。图中左侧虚线框内是超声波发生器的输出等效电路,由高频正弦激励电源云和内阻抗分组成;右侧虚线框内是换能器的等效电路,坛1、坛:分别为钳定阻抗和动态阻抗。广一]二~名竺之厂一一,L_兰二十一一一-上一一一士二立_」 图4等效电路换能器中流过的电流是激励电流I和极化电流10之和。I。是直流电源e提供的恒定常量,激励电流I是正弦交变量。电抗器Lc对I。的阻力很小,而对I的阻力很大,祸合电容C只允许I通过,而不允许I。通过,所以换能器中流过的电流是I和I。。I。在换能器铁芯内产生极化磁场,I产生激励磁场。聚能器为一圆锥体,其长度按振幅分布使端点具有最大的振幅和最小的应力(图5)。 j图5在聚能器上应力和振幅分布1一应力,2一振幅应用超声波振动拔管的效果有:可降低拔制力,增加道次变形量,改善产品表面质量,减少空拔管内残余应力;可降低对润滑剂的要求,提高工具寿命,减少断头和废品(提高成材率);可加工难变形材料以及降低能耗等。研究者对振动效果的机理提出3种见解:(1)体积效应,指吸收超声波能量,改变组织状态,导致金属的变形杭力降低和塑性加工性能的改善。(2)表面效应,指改变拉拔中金属与工具间摩擦状态,减少外摩擦阻抗,使接触面分离,表面发热,有利于润滑剂吸入和排出,有净化表面作用以及摩擦力换向等。(3)旋锻效应,指金属上作用有一个高频的交变应力,可降低变形抗力。(李连诗)