行星齿轮减速器的设计及箱体的加工工艺(毕业论文)

毕业设计(论文)行星齿轮减速器的设计及箱体的加工工艺PLANETARYGEARREDUCERDESIGNANDMACHININGPROCESSOFTHEBOX摘要本文首先对行星齿轮传动的特点，减速器的主要型式及其特性，我国行星齿轮传动技术的发展及目前的水平，常用行星齿轮传动的类型及其特点等进行了简要的介绍，然后对行星齿轮减速器的传动，结构及箱体的加工工艺进行了设计。并采用AutoCAD设计软件对齿轮轴、行星齿轮、行星轴、内齿轮、输出轴、箱体、总装图等进行了工程绘图。通过查阅大量文献资料，阐述了行星齿轮传动设计和主要的强度等的相关内容。对行星齿轮减速器传动机构的基本参数和尺寸进行了选择和计算。在查阅了大量关于行星齿轮减速器设计的资料和参考了某公司生产的3K型行星齿轮减速器后，确定了此行星齿轮减速器的设计方案。关键词减速器；行星齿轮；箱体AbstractThispaperfirstlyplanetarygeartransmissioncharacteristics,themaintypesandcharacteristicsofgearreducer,ourplanetarygeartransmissiontechnologyandthedevelopmentofthecurrentlevelofplanetarygeartransmission,commonlyusedthetypesandcharacteristicsofetcwerebrieflyreviewedinthispaper,Thentotheplanetarygearsreductiongeartransmission,structureandtheprocessingtechnologyoftheboxonthedesign.andusingAutoCADdesignsoftwareforthegearaxis,aplanetarygear,aplanetaryshaftinthegears,outputshaft,body,assemblyfigureetcengineeringdrawing.Throughconsultingalargenumberofliterature,thispaperexpoundstheplanetarygeartransmissiondesignandmajorstrengthofrelatedcontent.Planetarygearreducerdriveinstitutionsofthebasicparametersandsizewerechosenandcalculation.Alotabouttheplanetsinconsultthematerialanddesignofgearreducerreferenceinacompanyproductionof3Ktypeplanetarygearreducerdefinedafterthisplanetarygearreducerdesignscheme.Keywordsspeedreducerplanetgearthebox目录1绪论.............................................................................................................................................11.1概述......................................................................................................................................11.2行星齿轮传动的特点：......................................................................................................11.3齿轮减速器的现状及发展趋势..........................................................................................21.4常用行星齿轮传动的类型及其特点..................................................................................32行星齿轮减速器传动设计.........................................................................................................42.1设计参数..............................................................................................................................42.2确定石油机械装置行星减速器的传动形式......................................................................42.3根据给定的传动比确定各轮的齿数..................................................................................42.4按齿根弯曲强度条件确定模数m.......................................................................................52.5啮合参数的计算..................................................................................................................62.6几何尺寸的计算..................................................................................................................62.7传动效率的计算..................................................................................................................72.8装配条件的验算..................................................................................................................92.8.1邻接条件.......................................................................................................................92.8.2同心条件.......................................................................................................................92.8.3安装条件.......................................................................................................................92.9强度验算..............................................................................................................................93行星齿轮减速器结构设计.......................................................................................................153.1传动作用力计算................................................................................................................153.1.3各行星轮作用在轴上的总力及转矩.........................................................................173.2轴的设计............................................................................................................................183.2.1选择轴的材料.............................................................................................................183.2.2按许用扭应力初步估算轴径.....................................................................................183.2.3轴的结构设计.............................................................................................................183.2.4按许用弯曲应力计算轴径.........................................................................................193.2.5轴的疲劳强度安全因数校核计算.............................................................................203.2.6轴的静强度安全因数校核计算.................................................................................213.3轴承的选用........................................................................................................................224行星齿轮减速器箱体工艺规程...............................................................................................234.1零件的分析........................................................................................................................234.1.1零件的功