3D打印机设计

…………………….……………….…………………山东农业大学毕业论文题目：3D打印机设计装订线……………….…….………….………….………学院机电学院专业班级电气五班届次2014届学生姓名学号20100776指导教师二O一四年五月十二日目录摘要..............................................................................................................................ⅠAbstract.........................................................................................................................Ⅱ引言................................................................21绪论..............................................................21.1国内外3D打印机的研究现状....................................21.1.1国外3D打印机的研究现状..................................21.1.2国内3D打印机的研究现状..................................31.23D打印机的发展趋势..........................................31.2.13D打印产业的未来发展前景.................................31.2.23D打印技术未来发展的主要趋势.............................41.33D打印机的工作原理及特点....................................41.4发展创新与突破...............................................62总体方案及结构设计................................................72.1引言.........................................................72.2总体框架的设计...............................................82.3温度控制回路的设计...........................................82.4XYZ三方向控制电机的设计.....................................92.5喷头移动及喷出量调节的设计...................错误!未定义书签。3机械结构.........................................错误!未定义书签。3.1传动方式的选择...............................错误!未定义书签。3.2转动惯量的计算...............................错误!未定义书签。3.3喷头的选择..................................................124电机的选择......................................................134.1伺服电机和步进电机的对比....................................134.2直流交流伺服电机对比........................................154.3负载转矩的计算..............................................154.4打印速度的初步估计..........................................165传感器..........................................................165.1温度传感器对比..............................................165.2机械位置传感器..............................................185.3压力传感器..................................................1963D打印机的优点及面临问题........................................216.13D打印机的优点.............................................216.23D打印技术面临的问题.......................................21参考文献...........................................................22致谢...............................................................23ContentsSummary...........................................................ⅠAbstract.........................................................Ⅱ1Introduction.....................................................21.1ResearchStatus3Dprinterathomeandabroad..................21.1.1ResearchStatusofForeign3Dprinter........................21.1.2ResearchStatusofdomestic3Dprinters.......................31.2Trendsof3Dprinter...........................................31.2.1Futureprospectsof3Dprintingindustry...................31.2.23Dprintingtechnologyforfuturedevelopment..............41.33Dprinterworksandfeatures..................................41.4Thedevelopmentofinnovativeandbreakthrough.................61.5ChapterSummary................................................72Overallprogramandstructuraldesign.............................72.1Introduction...................................................72.2Theoveralldesignoftheframework............................82.3Temperaturecontrolloopdesign................................82.4XYZthreedirectionalcontrolmotordesign.....................92.5Mobileandspraynozzledesignvolumeadjustment...............93Mechanicalstructure.............................................103.1SelectTransmission..........................................103.2Calculationofmomentofinertia..............................113.3Selectnozzle.................................................124Selectmotor....................................................134.1Comparisonofservomotorsandsteppermotors.................134.2ComparisonofDCservomotor.................................154.3Thecalculatedofloadtorque.................................154.4PreliminaryestimatesPrintSpeed............................165Sensor...........................................................165.1ComparisonTemperatureSensor.................................165.2Mechanicalpositionsensor....................................185.3Pressuresensor...............................................196Advantagesof3Dprintersandtheproblemsfaced..................216.1Advantages3Dprinter.......................................216.23Dprintingtechnologyissuesfacingthe.....................21References........................................................22Acknowledgements..................................................23I3D打印机毕业设计作者：指导教师：【摘要】3D打印是最近两年开始流行的一种快速成形技术,它以数字模型文件为基础,通过逐层打印的方式来构造物体.我们日常生活中的打印机能打印一些平面纸张材料,而3D打印机打印出的是立体塑品产品.文章对3D打印的技术体系和国内外产业发展现状、发展态势作了综合介绍，综述3D打印技术的基本概念、发展简史、打印过程原理、应用领域、广泛影响以及面临的问题等.在介绍3D技术的发展历程、3D打印技术的工作原理流程及特点的基础上，分析了3D打印技术的创新点和存在的问题，展望了3D打印技术的未来发展趋势.关键词:3D打印机;快速成型;结构设计;社会制造II3DprinterGraduationAuthor:JiangYunfeiInstructor:SongHongjun【Abstract】：3Dprintingisoneofthe