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六工位试验台设计说明书.pdf

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六工位试验台设计说明书.pdf

哈尔滨理工大学学士学位论文I六工位试验台设计摘要六工位回转工作台式组合机床为广东省东莞力达公司(美国通用电气公司)专门设计制造的,用于加工电机前后端盖六工位回转工作台式组合机床。在本机床完成上料、粗镗、钻孔、攻丝、精镗止口、下料六工序,生产节拍20秒钟。该六工位回转工作台是采用了比较简单的换位斜板和转向盘来实现转位和定位,换位斜板与燕尾形导轨的滑块相连,用气缸推动,换位斜板只能沿导轨作直线运动。换位斜板是一块多边形,在转向盘底下均匀地分布着一些圆柱定位销,其数量等于分度工位数。当拟制活塞推动斜板向前移动时,斜板的一边推动着定位销,使转向盘回转。转到极限位置时,压缩气体进入拟制的另一腔,使活塞杆带动斜板向后退回。六工位回转工作是该机床的重要组成之一,它对工件的加工精度有直接的影响。主要是它的定位精度对工件精度影响很大。还有是否有可靠的固定,使加工时工作台能平稳。工作台旋转的快慢,影响机床的工作效率。冲击的大小又直接影响产生的噪音。所以在设计过程中,即要考虑机床的工作效率,准确的工作定位,冲击又不能太大,以免产生太大噪音,影响居民的工作和休息。关键词六工位回转工作台换位斜板哈尔滨理工大学学士学位论文IIThesixTestBenchAbstractSixworksturnroundworksettypecombinationmachinebedaswhattheprovinceDongGuandintofGuangdongreachthespecializeddesignincompanyingeneraluseelectricityintheUnitedStatescompanymanufacturing,usedforprocessingtheelectricalengineeringtocarrytocoverinfrontandbacksixworksturnroundtheworksettypecombinesthemachinebed.Anticipateinthismachinebedcompleting,heavyboring,drillahole,offendthesilk,rightboring,descendtoanticipatesixworkpreface,produce20secondsinrhythm.ThesixpositionrotarytableisusedrelativelysimpletoboardandZhuanxiangPanramptoachievetransferandpositioning,andtransferobliqueplateshapedDovetailzonedplateconnectedtotherails,withthecylindertopromote,transferonlyobliqueplateCanmakestraightlinemovementalongtherails.Transpositionisapolygoninclinedboard,inZhuanxiangPanevenlydistributedunderanumberofcylindricalpin,thenumberofpointsequaltothemedian.WhendrawinguptheramptopromotethePistonsboardmoveforward,therampsideoftheplatetopromotethepin,sothatZhuanxiangPanRotary.Tolimitlocation,compressedgasesintothepreparationofanothercavity,theroddrivenbackwardinclinedtoreturn.Sixworksanimportanceforturningroundworkisthemachinebedsconstituteit,ittoworkaninfluenceforprocessingaccuracyhavingdirectly.Primarilyisfixedpositionaccuracythatworkefficiencythatittoworkarateofspeedforprocessingaccuracyinfluenceverybigly.Stillhavingwhetherhavingdependableandfixedlymakingprocessingworkingpedestalcansteadily.Workingsetrevolving,affectthemachinebed.Percussivesize,affecttheoutputaworkefficiencyfor.Soindesignprocess,thenconsideringmachinebedagain哈尔滨理工大学学士学位论文IIIanddirectly,theaccurateworkpositions,poundattocannotbetoobigagain,inordertopreventcreationtoobigaworkfor,affectingresidentwithtakearest.Keywords6positionRotarytableTranspositionInclinedPlate.哈尔滨理工大学学士学位论文IV目录摘要......................................................................................................................IAbstract...............................................................................................................II第1章绪论........................................................................................................11.1课题背景...................................................................................................11.2各设计内容简单介绍...............................................................................21.2.1工作台转位和定位原理....................................................................21.2.2各构件的设计....................................................................................21.2.3气压系统的设计................................................................................21.2.4各构件的设计....................................................................................21.2.5计算部分............................................................................................2第2章总体方案设计........................................................................................32.1总体结构...................................................................................................32.2原理方案的设计.......................................................................................32.3轴承的选用...............................................................................................52.4动力的选择...............................................................................................52.5斜板的选用...............................................................................................72.6润滑方式选择...........................................................................................9第3章计算分析..............................................................................................103.1工作台回转运动规律分析.....................................................................103.2计算工作台的转动惯量及所需动力.....................................................103.3在各阶段的受力分析.............................................................................113.3.1在推进过程中..................................................................................113.3.2在推进过程中..................................................................................123.4行程的计算.............................................................................................13第4章气压传动系统......................................................................................164.1明确系统设计要求.................................................................................164.2分析系统工况.........................................................................................164.3确定执行元件的工作压力.....................................................................174.3.1初选气压缸的工作压力..................................................................174.3.2确定气压缸的主要参数..................................................................174.3.3计算液压缸的流量和功率..............................................................174.4拟定系统原理图.....................................................................................18结论....................................................................................................................20

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