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校长为学校学生道路交通安全工作第一责任人,负责校(园)内的道路交通安全管理工作和学生出行的道路交通安全教育,以及学生春(秋)游和其他教育教学活动的道路交通安全管理工作centerpinchecksandanchoringtheinnercylinder.AccordingtoWhilecouplingalignmentshouldkeepoiloutofcavityandlocatetherotoraxisneckraisedarewithintheprescribedlimits,thereshouldbenogaps,Horn,HornandHorn0.05mmfeelergaugesfitinto.Centercoupling,condenserwaterfillingandwater-filledaccordingtofactoryrequirement.ForcouplingthreesupportedrotorCenter,themouthunderthecouplingbetweenthevalueshouldbeasstipulatedinthemanufacturer,usually0.15~0.25mm.Inthecaseofcouplingconnection,ifpossible,liftingonlyonebearingendofthesupportbearingoftherotor,removethebearing,fittedwithspecialtilesandspecialliftingtools,discrotors,checkthejournalfluttertile,shouldgenerallybelessthan0.10MM.Whenthecouplingsandrotorcomeswhenthereisaconflict,thecouplingCentreshallprevail.6.4.5.2.2shaftlookingfor:...6.4.5.3.Provisionalboltconfirmedthepositioningoftherotorsize,aswellasthecouplingbetweentheadjustmentshimthicknessaccuracy,drawingstomeetthetechnicalrequirements.Plane,cylindricalandcleanthecouplingboltholesshouldbecleanandwithoutburrs,scrapironandgrease-free,relativepositionofthecouplingaccordingtothedrawingrequirementsare.Couplingtopscrews,rounddistanceapart,indicatorstomonitormovementoftheaircraft,itsvalueisallowedtopassthevalueaxismoving,mountedadjustmentpads,notepadsinstallationdirectionguidepincouplingwithprocessendclosed.Thebackwheelsslowlytightened,when2mmorso,withstandardwhitebarswheretwobackwheelboltholemeasurementaboveandbelow,confirmtwobackwheelboltholeconcentricity.Then,thesymmetricalhorizontalmounttwotemporaryboltstightened,attentiontomonitordialindicator,theninstallthesymmetricaltemporarybolts,thistimesitesslowlymovingrotor,inthemeasuredcircumferenceof8equalpartsbackwheelrimrock,eachmeasuringrelativechangesinvalueshouldbelessthan0.02mm.6.4.5.4couplingreamedandpairedboltreamingdiereamer,adjustablereamers,boringmill,inseveralways.6.4.5.4.1Generalrequirementsbeforereamingorboring,数控加工操作实习教学大纲第一部分大纲说明一、课程性质、目的和任务《数控加工操作实训》是数控技术专业的必修核心实践课程(环节)。该课程是以数控机床为实训平台,以数控加工工艺分析与工艺文件编制、加工程序编制、数控机床的基本操作技能、工件加工与检测为核心内容。通过实训,使学生能够综合运用数控加工技术的基础知识与基本理论,掌握数控加工的操作技能,达到国家职业资格相应工种中级工的技能水平,培养学生独立分析问题和解决问题的能力。二、课程的教学基本要求通过本课程的教学,要达到以下基本要求。1、工艺能力能够根据图纸的几何特征和技术要求,运用数控加工工艺知识,选择加工方法、装夹定位方式、合理地选择加工所用的刀具及几何参数,划分加工工序和工步,安排加工路线,确定切削参数。在此基础上,能够完成中等复杂零件数控加工工艺文件的编制。2、编程能力能够根据图纸的技术要求和数控机床规定的指令格式与编程方法,正确地编制中等复杂典型零件的加工程序,为数控加工做准备。3、操作能力掌握一种典型数控机床的基本操作方法,能够独立地进行机床的基本操作,达到国家职业资格标准相应工种的中级工操作水平。通过实训,能按零件图纸的技术要求,在规定的时间内,完成中等复杂零件的数控加工和质量控制。三、与相关课程的衔接、配合、分工《数控加工操作实训》是数控技术专业的最重要的实践环节。以《工程制图》、《机械制造基础》、《数控机床》、《数控加工工艺》、《数控编程技术》课程为理论基础;以《金工实习》为实训基础。以数控机床为实训平台,以数控加工的操作技能为核心,以达到国家职业资格中级工操作技能水平为目标。四、课程教学要求的层次通过本实训环节的教学要达到3个层次的基本要求。理解:对与本实训环节相关的基本概念,达到理解程度。校长为学校学生道路交通安全工作第一责任人,负责校(园)内的道路交通安全管理工作和学生出行的道路交通安全教育,以及学生春(秋)游和其他教育教学活动的道路交通安全管理工作centerpinchecksandanchoringtheinnercylinder.AccordingtoWhilecouplingalignmentshouldkeepoiloutofcavityandlocatetherotoraxisneckraisedarewithintheprescribedlimits,thereshouldbenogaps,Horn,HornandHorn0.05mmfeelergaugesfitinto.Centercoupling,condenserwaterfillingandwater-filledaccordingtofactoryrequirement.ForcouplingthreesupportedrotorCenter,themouthunderthecouplingbetweenthevalueshouldbeasstipulatedinthemanufacturer,usually0.15~0.25mm.Inthecaseofcouplingconnection,ifpossible,liftingonlyonebearingendofthesupportbearingoftherotor,removethebearing,fittedwithspecialtilesandspecialliftingtools,discrotors,checkthejournalfluttertile,shouldgenerallybelessthan0.10MM.Whenthecouplingsandrotorcomeswhenthereisaconflict,thecouplingCentreshallprevail.6.4.5.2.2shaftlookingfor:...6.4.5.3.Provisionalboltconfirmedthepositioningoftherotorsize,aswellasthecouplingbetweentheadjustmentshimthicknessaccuracy,drawingstomeetthetechnicalrequirements.Plane,cylindricalandcleanthecouplingboltholesshouldbecleanandwithoutburrs,scrapironandgrease-free,relativepositionofthecouplingaccordingtothedrawingrequirementsare.Couplingtopscrews,rounddistanceapart,indicatorstomonitormovementoftheaircraft,itsvalueisallowedtopassthevalueaxismoving,mountedadjustmentpads,notepadsinstallationdirectionguidepincouplingwithprocessendclosed.Thebackwheelsslowlytightened,when2mmorso,withstandardwhitebarswheretwobackwheelboltholemeasurementaboveandbelow,confirmtwobackwheelboltholeconcentricity.Then,thesymmetricalhorizontalmounttwotemporaryboltstightened,attentiontomonitordialindicator,theninstallthesymmetricaltemporarybolts,thistimesitesslowlymovingrotor,inthemeasuredcircumferenceof8equalpartsbackwheelrimrock,eachmeasuringrelativechangesinvalueshouldbelessthan0.02mm.6.4.5.4couplingreamedandpairedboltreamingdiereamer,adjustablereamers,boringmill,inseveralways.6.4.5.4.1Generalrequirementsbeforereamingorboring,运用:对本实训环节所涉及的相关基础知识、基本理论要能够运用,理论联系实际,提高自己分析问题和解决问题的能力,为掌握操作技能奠定基础。掌握:掌握数控机床与数控加工的基本操作技能,操作技能达到相应工种中级工水平,为就业上岗打下坚实的基础。第二部分媒体使用与教学过程建议一、课程教学总时数和学分本课程8学分,课内学时为144学时,开设一学期。根据该实训环节的特点,建议采取集中方式进行,各办学点根据自己的生源情况和设备情况,总实训周数为8周。二、教学媒体及其相互关系本课程的教学媒体由文字教材和录像课组成,以数控机床为实训平台,以零件为加工对象。1、文字教材文字教材是主要的教学媒体,为适应电大远程开放办学的需要并结合本课程的特点,文字教材的编写具有以下特点:(1)采用模块化单
本文标题:数控加工操作实训教学大纲
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