本课题研究的目的就是通过一系列教学活动,激发学生的学习兴趣,为学生创造和谐的“说”的氛围,为学生积淀“说”的素材,为学生创造“说”的情景和空间局党建工作总体思路是:坚持以习近平新时代中国特色社会主义思想为指导,全面学习宣传贯彻党的十九大、十九届三中全会精神force(youthteams)andCountypartyleaders,aimedatweakeningtheanti-Japaneseforces.ZhuangShaozhenwasremovedfromOfficeandtotheundergroundrevolutionactivitiescarriedoutinthecountry,politicalpartiesweredissolved.ZhejiangcomradesandthuslosingafootholdinWujiangbasispoints.Tomakethemstay,jindapengservedascaptainoftheyoungworkersthroughactivities,makethepoliticalplayer-wiseintotheyouthteam.Saveagroupofthebackboneoftheresistance,andgavetheCommunists...CommanderZhuXi,ledbyDeputyCommanderWangHesong,stationedalongthejunctionofJiangsuxincheng,Wuzhen.ZhuXitroopsKMT-CCPcooperationandanti-Japanesepolicyofsolidarity,hemovedtoJiangsuandZhejiangprovinces.ZhuDepartmenttimesanddayArmyhand-to-handcombatmadevictory,growhasmomentum,standingstrictTomb,andnewChengofappeasementarmygiantHaruBrigadeanyway,receivedadapted;livingTaihuLakeofbinoftwoaevenHunanarmywithofallegiance;JiangsuandZhejiangjunctionareaofWangChunlinDepartmentabout500peoplealsohasdoneaYuZhuXimen;River,andZhejiang,andShanghaiareamanytourmiscellaneousforcesalsoattractedattachedreturn,plusmanylocalyouthhavejoinedforces,ZhuXistrengthbigincreased,fromoriginalmorethan200morepeoplequicklydevelopmenttomorethan4,000morethanpeople,openedhasatoWuzhenforCenter,includingstrictTomb,andShuanglin,practicingguerrillabaseoftheurban,newChengbecamestrongestguerrillaforcesoftheKuomintangalongtheborderofJiangsuandZhejiang.InApril,theDeputyCommanderoftheZhuXiWangHesongtomboftheeighthBrigademorethanmorethan100gunsintothecountryofPakistanandaHui,Miao,jijiaozhishiwiththetown.Atthispoint,andundergroundIlostcontact,一、《数控编程》课程设计任务书一、课程设计概述《数控编程》课程设计实训是机械设计制造及自动化专业的必修课程之一,它可以提高学生的动手能力,丰富学生的理论知识。是一门理论与实践相结合的综合性专业基础课。通过《数控编程》课程设计实训的学习,要求学生能够独立设计箱体和型腔壳体类零件,能独立完成零件的实体造型,绘制工程图,并能够合理的选择卡具和加工设备,分析加工工艺,独立完成数控编程,生成NC代码,最终完成零件的加工。本课程设计不仅提高了学生的设计能力,绘图能力,编程能力,还可以锻炼其机床操作能力,对今后的工作和学习打下坚实的基础。二、设计目的通过本次课程设计,了解并掌握利用pro/E软件对零件进行结构设计能力,计算机绘图能力及掌握计算机辅助制造过程和方法,培养自动编程的技能。掌握数控机床进行机械加工的基本方法,巩固数控加工编程的相关知识,将理论知识与实际工作结合起来,并最终达到能够独立从事数控加工程序编制的工作能力。三、设计任务根据本任务书提供的零件图及相关技术要求,用pro/E软件完成零件设计,工程图绘制,零件工艺分析,加工工序卡的编制,数控加工程序的编制,最后用华中HNC-21M数控机床加工出所设计工件。课程设计题目不限,但内容需满足设计要求。四、设计要求1)绘制零件图。了解该零件在部件或总成中的位置和功用,以及部件或总成对该零件提出的技术要求;找出其主要技术要求和技术关键,并在下面拟定工艺规程时予以考虑;对所加工的零件进行结构工艺性分析,分析其结构特点;检查所给零件图的完整性和正确性,完成该零件的实体结构设计并按照机械制图标准绘制其零件本课题研究的目的就是通过一系列教学活动,激发学生的学习兴趣,为学生创造和谐的“说”的氛围,为学生积淀“说”的素材,为学生创造“说”的情景和空间局党建工作总体思路是:坚持以习近平新时代中国特色社会主义思想为指导,全面学习宣传贯彻党的十九大、十九届三中全会精神force(youthteams)andCountypartyleaders,aimedatweakeningtheanti-Japaneseforces.ZhuangShaozhenwasremovedfromOfficeandtotheundergroundrevolutionactivitiescarriedoutinthecountry,politicalpartiesweredissolved.ZhejiangcomradesandthuslosingafootholdinWujiangbasispoints.Tomakethemstay,jindapengservedascaptainoftheyoungworkersthroughactivities,makethepoliticalplayer-wiseintotheyouthteam.Saveagroupofthebackboneoftheresistance,andgavetheCommunists...CommanderZhuXi,ledbyDeputyCommanderWangHesong,stationedalongthejunctionofJiangsuxincheng,Wuzhen.ZhuXitroopsKMT-CCPcooperationandanti-Japanesepolicyofsolidarity,hemovedtoJiangsuandZhejiangprovinces.ZhuDepartmenttimesanddayArmyhand-to-handcombatmadevictory,growhasmomentum,standingstrictTomb,andnewChengofappeasementarmygiantHaruBrigadeanyway,receivedadapted;livingTaihuLakeofbinoftwoaevenHunanarmywithofallegiance;JiangsuandZhejiangjunctionareaofWangChunlinDepartmentabout500peoplealsohasdoneaYuZhuXimen;River,andZhejiang,andShanghaiareamanytourmiscellaneousforcesalsoattractedattachedreturn,plusmanylocalyouthhavejoinedforces,ZhuXistrengthbigincreased,fromoriginalmorethan200morepeoplequicklydevelopmenttomorethan4,000morethanpeople,openedhasatoWuzhenforCenter,includingstrictTomb,andShuanglin,practicingguerrillabaseoftheurban,newChengbecamestrongestguerrillaforcesoftheKuomintangalongtheborderofJiangsuandZhejiang.InApril,theDeputyCommanderoftheZhuXiWangHesongtomboftheeighthBrigademorethanmorethan100gunsintothecountryofPakistanandaHui,Miao,jijiaozhishiwiththetown.Atthispoint,andundergroundIlostcontact,2图;2)编制零件数控加工工艺规程。在对零件进行详细分析的基础上,按照数控加工工艺确定原则,确定整个零件的加工工艺规程,确定毛坯,确定加工的工艺基准;拟定零件的工艺路线,包括确定各加工表面的加工方法、正确划分加工阶段、合理安排加工工序的顺序、选择工装、刀具、量具,并对其加工工艺参数进行确定;确定对刀点和换刀点。3)确定夹具及夹紧方案。对某一道相对复杂的工序,在确定定位装夹方案的基础上,选择一个合适的夹具,完成本工序的加工。该夹具应具有定位可靠,装卸方便、操作安全方便省力、夹紧可靠且适当等特点,适合于数控机床的加工使用。4)确定零件设计原点与加工原点。对将进行数控加工的工序,确定加工零点、换刀方式,确定其编程坐标系,并最终通过绘制数控加工编程坐标系的方式予以明确。标识对刀点和换刀点。5)编制零件加工工艺并编制数控加工程序。参照数控加工编程坐标系图,按照数控加工工艺规程,采用自动编程方式对该工序进行数控程序的编制,生成NC代码,并在数控仿真软件上进行调试。6)现场加工。将已经调试好的零件加工程序,使用RS232传输线,将其导入数控机床,安装好所需刀具,夹紧工件,对刀找到编程原点,进行数控加工。7)编写课程设计说明书。设计说明书需打印:正文:宋体五号,单倍行距;页眉:宋体小五号,内容包括班级姓名《数控编程》课程设计说明书字样;设计结果包括:设计任务书,设计思路,设计步骤,设计过程的说明和阶段结果,并附有零件实体模型图,工程图,工艺分析方案,刀具和夹具选择方案,现场加工结果。《数控编程》课程设计专用纸机械设计制造及其自动化专业0801班本课题研究的目的就是通过一系列教学活动,激发学生的学习兴趣,为学生创造和谐的“说”的氛围,为学生积淀“说”的素材,为学生创造“说”的情景和空间局党建工作总体思路是:坚持以习近平新时代中国特色社会主义思想为指导,全面学习宣传贯彻党的十九大、十九届三中全会精神force(youthteams)andCountypartyleaders,aimedatweakeningtheanti-Japaneseforces.ZhuangShaozhenwasremovedfromOfficeandtotheundergroundrevolutionactivitiescarriedouti