【導讀】畢業(yè)設計-銑床專用夾具設計。我國社會主義現(xiàn)代化要求機械制造工業(yè)為國民經濟各部門的技術進步技術。輕工業(yè)以及其它產業(yè)提供質量優(yōu)良技術先進的技術裝備同時還要為新材料新能。源機械工程等新技術的生產和應用提供基礎備本論文是結合目前實際生產中通。用夾具不能滿足生產要求用通用夾具裝夾工件效率低勞動強度大加工質量不高。而且往往需要增加劃線工序本論文為銑床專用夾具主要包括夾具的定位方案夾。緊方案對刀方案夾具體的設計及加工精度等方面的分析本夾具能在加工常規(guī)零。批量生產從而降低生產成本從而夾具的使用在某種程度上提高實際生產中企業(yè)。的效益因而對夾具知識的認識和學習在今天顯的優(yōu)重要起來。限制工件自由度與加工要求的關系14. 確定定位方式與定位元件16. 定位誤差的產生原因及計算方法17. 41夾緊裝置的組成及基本要求21. 42夾緊力的確定22. 具占有確定的位置以完成工件的加工和檢驗夾具是完成這一過程的工藝裝備機。機床及刀具之間的位置并將工件夾緊

　　

【正文】 al Pipe Applied in Condenser and its Application 100379 〔 17 〕 PengYouwen AnumericalCalculationofBailianyaHydroelectric StationWater – divertingStructure TransitionProcess 100379 附錄一 外文 Entering the 21st century Chinas economy and international fully connected entered a new period of vigorous development The tool machine manufacturing industry is facing both mechanical manufacturing requirement level ascension manufacturing equipment caused by the development of opportunities also encounter after joining the world trade anization fierce international market petition pressure accelerating the development of numerical control machine tool machine manufacturing industry sustainable development is to solve a key With the industry for nc machine tools in great demand and puter technology and modern design techniques the rapid progress of CNC application scope are still growing and constantly develop with more adapt to the needs of production and processing This paper briefly analyzes the high high precision CNC generalization KaiFangHua propertyrights intelligent multiaxial working and development trend of such greening and put forward the CNC machine in China some problems in development of The development trend of nc machine 1 fast pace As cars defense aviation aerospace industries and aluminum alloy the rapid development of the application of new materials for CNC machine processing high demand is higher and higher Spindle speed this machine adopts electric spindle of builtin type spindle motor spindle 202100rmin supreme turn shortdial Feedrate is in the resolution for the 001 muon m the biggest feed rate reached 240mmin and may obtain the precise processing paring Speed microprocessor for the rapid development of high speed and precision nc system development to provide the safeguard developed a CPU has developed into 32bit and 64bit CNC system the higher the frequency to hundreds of megahertz thousands of MHZ Since the operation speed greatly enhance make when resolution for the 01 u m 001 muon m still can get up to 24 240mmins feeding speed Cutter replacement speed at present foreign advanced processing center tools already in exchange time is generally about 1s high has amounted to 05 s 2 The precision The accuracy requirement of the nc machine has now been confined to static geometry precision and the machines motion accuracy thermal deformation and the vibration monitoring and pensation more and get attention Improve CNC system control precision adopting high speed interpolation technology to achieve continuous into tiny piece of program CNC control unit to fine and using high resolution position detection devices advance position detection accuracy position servo system with nonlinear control by feedforward control methods Adopt error pensation technology using reverse clearance pensation screw pitch error pensation and the cutting tool error pensation for equipment technology such as thermal deformation error and space prehensive pensation error Research results show that the integrated error pensation technology application processing error can be reduced 60 80 Using grid decoder inspection and the improvement of the machining center trajectory simulation predicted by the precision and the processing precision machine tool to ensure that the location accuracy and repositioning precision make its performance longterm stability in different operation conditions can finish many kinds of processing tasks and ensure the parts processing quality 3 multiple functions Compound machine refers to realize in a machine or as much as possible from a variety of elements to finished product semifinished product processing According to its structure characteristics can be divided into process plex and processes of pound two Adopted plex machine tool processing reduce the workpiece loading and unloading change and adjust tool and auxiliary time among the error produces in the process improve the precision machining parts shortened product manufacturing cycle improve the production efficiency and manufacturers market reaction ability pared with the traditional process scattered production method has obvious advantages The processing of pound also led to the multiaxial to modular machine tool the development 4 control intellectualization As the development of artificial intelligence in order to satisfy the manufacturing flexibility and manufacturing automation development needs nc machine tools in continuously improve the level of intelligence Specific reflects in the following aspects processing adaptive control technology through the monitoring process cutting force and spindle and feed motor power current voltage use the information such as the algorithm of traditional and modern achiered recognition in the tool wear and breakage force the stability of the state and machining and based on these state state regulates realtime processing parameters spindle speed feed speed and processing instructions make equipment in best operation state in order to improve the machining precision lower surface roughness and improve equipment operation safety of Processing parameters of the intelligent optimization and selection will process experts or technician experience parts processing general and special laws use modern intelligent method based on expert system or structure model based processing parameters of the intelligent optimization and selector using it to obtain the optimum processing parameters so as to improve the efficiency and processing technology level programming shorten the production preparation time purpose Intelligent fault diagnosis and the repair technology on the basis of the existing failure information the application method of realization of modern intelligent fault fast a