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天津大学《特种加工》课程教学大纲课程编号:2010059课程名称:特种加工学时:32学分:2学时分配:授课:24上机:实验:实践:8实践(周):授课学院:机械学院适用专业:机械设计制造及其自动化先修课程:金属工艺学一、课程的性质与目的《特种加工》课程是机械制造及自动化专业的一门重要的专业课。通过本课程学习,要求掌握特种加工的基本原理、基本规律、工艺特点以及应用场合,了解特种加工设备的组成和工作原理,以及生产中广泛应用的实验方法。二、教学基本要求1、熟悉电火花加工、电化学加工、激光加工、超声加工的基本原理和工艺规律;2、掌握电火花加工、电化学加工、激光加工、超声加工的工艺过程及应用场合;3、了解常见的特种加工设备的组成和工作原理;4、了解电子束和离子束加工、快速成形以及化学加工等特种加工方法的基本原理和加工过程。三、教学内容第一章概论特种加工的概念、特点、分类和适用范围,特种加工对材料可加工性和结构工艺性的影响,以及特种加工产生背景和发展状况。第二章电火花加工电火花加工的基本原理、加工机理、工艺规律,电火花加工设备包括脉冲电源、自动进给调节系统和加工机床,以及电火花加工的应用场合。做2学时的电火花成型加工工艺实验。第三章电火花线切割加工电火花线切割加工原理、加工特点、加工工艺、加工设备及应用范围,着重讲述了线切割加工的控制系统和编程技术,以及影响线切割工艺指标的因素。做2学时的电火花线切割加工工艺实验。第四章电化学加工电化学加工的基本原理及分类;电解加工和电解磨削的机理、特点、工艺和应用,以及加工设备和电解液;电铸、涂镀和复合镀的原理、工艺及应用。重点阐述了电解加工的基本规律,以及提高电解加工精度的途径,影响电解磨削精度的主要因素。第五章激光加工激光产生的机理、激光的特性、激光加工的原理及特点,激光加工设备;重点阐述了激光加工工艺及应用。做2学时的激光加工实验。第六章电子束和离子束加工电子束加工原理、特点、加工装置以及工艺应用;离子束加工原理、分类、加工特点、加工装置和适用场合。第七章超声加工超声波的特性、超声加工原理和特点、超声加工设备、超声加工的应用,以及影响超声加工质量的因素。第八章快速成形技术四种常见的快速成形技术的工艺原理、加工设备及应用。做2学时的快速成型实验。第九章其它特种加工化学加工、等离子体加工、挤压珩磨、水射流切割等加工原理、工艺特点、加工设备以及应用范围。四、学时分配教学内容授课上机实验实践实践(周)第一章2第二章42第三章42第四章4第五章22第六章2第七章2第八章22第九章2合计248五、评价与考核方式闭卷考试成绩占100%,但是不做实验的同学,总成绩为不及格。六、教材与主要参考资料1.《特种加工》(第四版),刘晋春等主编,机械工业出版社,20042.自编实验指导书TUSyllabusforNon-traditionalmachiningCode:2010059Title:Non-traditionalmachiningSemesterHours:32Credits:2SemesterHourStructureLecture:24ComputerLab:Experiment:Practice:Practice(Week):Offeredby:Collegeofmechanicalengineeringfor:Mechanicaldesign,ManufacturingandAutomationPrerequisite:MetalTechnology1.Objective(1)AcquaintwiththebasicprincipleandcraftregulationofElectricalDischargeMachining,ElectrochemicalMachining,LaserBeamMachining,UltrasonicMachining;(2)MasterthecraftprocessandapplicationsituationofElectricalDischargeMachining,ElectrochemicalMachining,LaserBeamMachining,UltrasonicMachining;(3)Understandthestructureandworkprincipleofequipments;(4)UnderstandthebasicprincipleandthecraftprocessofElectronBeamandIonBeamMachining,RapidPrototypingandChemicalMachining.2.CourseDescriptionThiscoursemainlyintroducesthebasicprinciple,basicequipments,craftregulation,maincharacteristicsandscopeofElectricalDischargeMachining,ElectrochemicalMachining,LaserBeamMachining,ElectronBeamandIonBeamMachining,UltrasonicMachining,RapidPrototypingetc.3.TopicsChapter1Introduction(generaloutline)Thecreationbackgroundanddevelopmentconditionofnon-traditionalmachining;Processselection,classification,andcomparativestudyofdifferentprocesses.Chapter2ElectricalDischargeMachining(electrosparkmachining)Basicprinciple,processmechanism,craftregulation,equipmentsandtheapplicationofelectrosparkmachiningChapter3WirecutElectricalDischargeMachiningBasicprinciple,processmechanism,craftregulation,equipmentsandtheapplicationofWirecutElectricalDistrargeMachining;theprocessedcontrolsystemandthetechniqueprogrammingontypicalmachiningtools;thefactorsinfluencecraftindex.Chapter4ElectrochemicalMachiningBasicprincipleandclassificationofElectrochemicalMachining;themechanism,characteristics,craftandapplicationofElectrochemicalMachiningandGrind,aswellasequipmentsandelectrolyte;theprinciple,craftandapplicationofElectroformandElectroplate.Chapter5LaserBeamMachiningThelaser'scharacteristics,themechanismoflaser,theprinciple,characteristicsandequipmentsofLaserBeamMachining;Emphasisarethecraftandapplication.Chapter6ElectronBeamMachiningandIonBeamMachiningTheprinciple,characteristics,equipmentandcraftapplicationofElectronBeammachining;Theprinciple,classification,characteristics,deviceandapplicationofIonBeamMachining.Chapter7UltrasonicMachiningThecharacteristicofultrasonic;theprinciple,characteristics,equipments,andapplicationofUltrasonicMachining;theinfluencefactoronthemachiningquality.Chapter8RapidPrototypingThecraftprinciples,processequipmentsandapplicationson4kindsofthefamiliarlyRapidPrototypingmethod.Chapter9othernon-traditionalmachiningTheprocessprinciple,craftcharacteristics,equipmentsandapplicationofChemicalMachining,PlasmaArcMachiningandothersarebrieflyintroduced.4.SemesterHourStructureTopicsLectureComputerLab.ExperimentPracticePractice(Week)Introduction2ElectricalDistrageMachinng42WirecutElectricalDischargeMachining42ElectrochemicalMachinin4LaserBeamMachining22ElectronBeamMachiningandIonBeamMachining2UltrasonicMachining2RapidPrototyping22othernon-traditionalmachining2Sum:2485.GradingThetotalresultisthescoreofwrittentest.Ifstudentsdidnottakepartintheexperimenter,theywouldnotpassthiscourse.6.Text-Book&AdditionalReadings《Non-traditionalmachining》compiledbyJinchunLiu,machineindustrialpublisher,2004
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