摆线齿轮泵外转子加工工艺及主要工装设计说明书.doc

I摘要本文就摆线的基本概念作了介绍，并阐述摆线齿轮泵中，外转子的加工工艺过程、工装设备以及成形拉刀的设计计算。摆线齿轮泵中以内转子为主动轮，外转子为从动轮，在设计中要求外转子精度高，同时考虑到经济成本，在设计加工工艺时，尽量采用既高精度又经济的方式。而且还介绍了在单件生产纲领下，进行摆线齿轮泵外转子曲面磨削的方法。确定了磨削参数及工艺装备。本加工方法具有传动链短，砂轮修磨简单，可稳定的保持加工精度。关键词：摆线齿轮外转子；工艺；结构设计；工装设备；成形拉刀。IIAbstractThisarticleintroducedthebasicconceptofcycloidandcycloidgearpumpdescribed,theouterrotorofthemachiningprocess,toolingequipmentanddesigncalculationofformingbroach.Withintherotorcycloidalgearpumpforthedrivingwheel,outerrotortothedrivenwheel,therotorinthedesignrequirementsofhighprecision,takingintoaccounteconomiccosts,inthedesignprocess,trytousethehigh-precisionandeconomicalway.Butalsointroducedtheprograminthesingleproductionunderthecycloidgearpumpouterrotorsurfacegrindingmethod.Determinetheparametersandprocessesofgrindingequipment.Thisprocessingmethodhasashorttransmissionchain,grindingwheelsimple,steadyandprecisionKeywords:cycloidalgearouterrotor；process；structuraldesign；toolingequipment；formingbroachIII目录摘要.I第1章绪论.11.1齿轮泵概述.11.2齿轮泵发展趋势.11.3外转子设计的基本要求.3第2章外转子的加工工艺设计.42.1零件的分析.42.1.1零件的作用.42.1.2零件工艺分析.42.2工艺规程设计.42.2.1确定毛坯的制造形式.42.2.2基面的选择.52.2.3制定工艺路线.52.2.4机械加工余量，工序尺寸及毛坯尺寸确定.7第3章夹具设计.183.1拉胎.183.1.1问题的提出.183.1.2定位基准的选择.183.1.3定位误差分析.183.1.4夹紧力.183.1.5胎具结构.183.2磨胎.183.2.1问题的提出.183.2.2定位基准的选择.193.2.3夹具结构.193.3磨头.22IV3.4打磨砂轮工具.23第4章内曲面成形拉刀设计.234.1粗拉刀设计.234.1.1切削部设计.234.1.2校准部设计.294.1.3其它部分及拉刀总长度.304.1.4拉刀强度计算及拉削力的校验.334.2精拉刀设计.344.2.1参数选择.344.2.2校核最大拉削力maxF.374.2.3拉刀强度校验.374.2.4拉刀总长度L.37结束语.40致谢.41参考文献.42VCONTENTSAbstract.IIChapterOneIntroduction.11.1GearPumpOverview.11.2DevelopmentTrendofgearpump.11.3Thebasicrequirementsofexternalrotordesign.3ChapterTwoExternalrotordesignprocess.42.1Partsoftheanalysis.42.1.1Partsoftherole.42.1.2PartsProcessAnalysis.42.2Processplanning.42.2.1Determinetheformofblankmanufacturing.42.2.2Thechoiceofthebasesurface.52.2.3Developmentofprocessroutes.52.2.4Machiningallowance,processtodeterminethesizeandroughsize.7ChapterThreeFixtureDesign.183.1Pulltire.183.1.1Proposedoftheproblems.183.1.2Thechoiceoflocatingdatum.183.1.3Orientationerror.183.1.4Clampingforce.183.1.5Moldstructure.183.2Tirewear.183.2.1Proposedoftheproblems.183.2.2Thechoiceoflocatingdatum.193.2.3FixtureStructure.193.3Grindinghead.22