1E52FM左曲轴箱双面钻专用机床设计

Wewillcontinuetoimprovethecompany'sinternalcontrolsystem,andsteadyimprovementinabilitytomanageandcontrol,optimizebusinessprocesses,toensuresmoothprocesses,responsibilitiesinplace;tofurtherstrengtheninternalcontrols,playacontrolpostindependentoversightroleofevaluationcomplyingwiththird-partyresponsibility;toactivelymakeuseofinternalaudittoolsdetectpotentialmanagement,streamline,standardizerelatedtransactions,strengtheningoperationsinaccordancewithlaw.Deepeningtheinformationmanagementtoensurefullcommunicationzeroresistance.ToconstantlyperfectERP,andBFS++,andPI,andMIS,andSCM,informationsystembasedconstruction,fullintegrationinformationsystem,achievedinformationresourcesshared;toexpandPortalsystemapplicationofbreadthanddepth,playinformationsystemonenterpriseofAssistantrole;toperfectdailyrunmaintenanceoperationofrecords,promoteproblemreasonsanalysisandsystemhandover;tostrengtheningBFS++,andERP,andSCM,technologyapplicationoftraining,improveemployeesapplicationinformationsystemofcapacityandlevel.Humanisticcaretoensurezero.TostrengtheningHumanitiescare,continuestofostercompanywindclear,andgasare,andheartShunofcultureatmosphere;strengtheninglovehelpedtrapped,caredifficultemployees;carriedoutstyleactivities,richemployeeslife;strengtheninghealthandlabourprotection,organizationcareerhealthmedical,controlcareeragainst;continuestoimplementationpsychologicalwarningpreventionsystem,trainingemployeeshealthofcharacter,andstableofmoodandenterprisingofattitude,createdfriendlyfraternityofHumanitiesenvironment.Tostrengthenriskmanagement,ensurethatthebusinessofzerorisk.Tostrengthenedbusinessplansmanagement,willbusinessbusinessplanscovertoalllevel,ensurethebusinesscancontrolincontrol;tocloseconcernfinancial,andcoalelectriclinkage,andenergy-savingscheduling,nationalpolicytrends,strengtheningtrack,activeshould;toimplementationState-ownedassetsmethod,furtherspecificationbusinessfinancialmanagement;toperfectrisktubecontrolsystem,achievedriskrecognition,andmeasure,andassessment,andreport,andcontrolfeedbackofclosedringmanagement,improveriskpreventioncapacity.Tofurtherstandardizetrading,andstrivetoachieveaccordingtolaw,standardizeandfair.Innovationofperformancemanagement,toensurethatpotentialemployeeszerofly.Tostrengthenperformancemanagement,processcontrol,enhanceemployeeevaluationandlevelsofeffectivecommunicationtoimproveperformancemanagement.Tofurtherquantifyandrefineemployeestandards...Work,fullplayparty,andbranch,andmembersinfivetypeEnterpriseconstructionintheofcorerole,andfightingfortressroleandpioneermodelrole;tocontinuestostrengtheningfourgoodleadershipconstruction,fullplaylevelscadresinenterprisedevelopmentinthe门急诊医技楼外脚手架采用悬挑式单排脚手架，基础回填后改为落地式双排脚手架，脚手架搭设高度为23m。病房医技楼外脚手架采用悬挑双排脚手架，分四次悬挑ofbackbonebackbonerole;tofullstrengtheningmembersyouthwork,fullplayyouthemployeesincompanydevelopmentintheofforcerole;toimproveindependentCommissionagainstcorruptionworklevel,strengtheningonenterprisebusinesskeylinkofeffectivenessmonitored.,Andmaintainstability.Tofurtherstrengthenpublicityandeducation,improvetheoveralllegalsystem.Wemuststrengthensafetymanagement,establishandimprovetheeducation,supervision,andevaluationasoneofthetrafficsafetymanagementmechanism.ToconscientiouslysumuptheOlympicsecuritycontrols,promotingintegratedmanagementtoahigherlevel,higherstandards,ahigherlevelofdevelopment.Employees,todayislunarcalendaronDecember24,theoxBellisabouttoring,atthistimeofyear,weclearlyfeelthepulseoftheXXpowergenerationcompanytoflourish,tomoreclearlyhearXXpowergenerationcompaniesmatureandsymmetrybreathing.Recallingpastoneanotheracrossarailing,weareenthusiasticandfullofconfidence.Futuredevelopmentopportunities,wemoreexcitingfightmorespirited.Employees,letustogetheracross2013fullofchallengesandopportunities,tocreateagreen,low-costoperation,fullofhumanecareofaworld-classpowergenerationcompanyandworkhard!TheoccasionoftheSpringFestival,mysincerewishthatyouandthefamiliesofthestaffinthenewyear,goodhealth,happy,happy1引言1.1课题的来源及研究意义毕业设计是完成工程技术人员基本训练的最后一个重要环节，目的是培养学生综合运用所学专业和基础知识、独立解决本专业一般工程技术问题的能力。在设计方案的选定、设计资料的收集、手册和国家标准、规范的运用，设计方案的应用、零件图及总装图的绘制等方面有一定较全面的锻炼，并使每个学生树立起正确的设计思路和良好的工作风。一个零件的同一面上，往往有多个孔，如果在普通机床上加工。通常要一个一个孔的钻，生产率低下，同时，各加工孔的形状和它的位置公差以及尺寸精度都难以保证，工人劳动强度大。特别是大批大量生产的工艺，更是大大地增加了生产周期，而且成本也很高。为了克服多孔零件普通机床加工不利的一面，行之有效的方案就是在普通机床的主轴上装上多头轴，但是对于大型箱体零件，采用变种方案也不行，而采用组合钻床才是最佳方案。组合机床是集机电于一体的综合自动化程度较高的制造技术和成套工艺装备,它的特征是高效、高质、经济实用,因而被广泛用于工程机械、交通、能源、军工、轻工、家电等行业。本文根据工厂需要,设计一台能高效、高精度的进行双面钻孔的专用组合机床。组合机床一般采用多轴、多刀、多工序、多面、多工位同时加工，是一种工序集中的高效率机床。组合机床加工，刀具是借助于钻摸板和镗模架，精加工机床采用高精度的导向，所以能稳定的保证产品质量。组合机床是一种高效率的机床，是机械制造业高速发展必不可少的设备之一。组合机床的重要性，在大批量生产的汽车制造业、柴油机制造业早已被人们所认识。为了保证产品的质量，实现产量翻番，一些中小批生产厂也越来越多的采用了组合机床。可以说大搞组合机床及其自动线是多快好省地发展机械工业的重要措施之一[1]。1．2组合机床发展的历史1.2.1国外组合机床发展的历史1911年，美国为了加工汽车零件研制了组合机床。在发展初期，各机床制造厂都执行自己的通用部件标准。为了方便用户使用和维护，提高互换性，1953年美国福特汽车公司和通用汽车公司与美国机床制造厂协定，确定了组合机床通用部件标准化的Wewillcontinuetoimprovethecompany'sinternalcontrolsystem,andsteadyimprovementinabilitytomanageandcontrol,optimizebusinessprocesses,toensuresmoothprocesses,responsibilitiesinplace;tofurtherstrengtheninternalco