渐开线花键滚齿机主轴及纵向进给设计 外文翻译

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1、沈阳工业大学毕业设计（外文翻译）本科生毕业设计（论文）外文翻译毕业设计（论文）题目：渐开线花键滚齿机主轴及纵向进给设计外文题目：NewDevelopmentsinGearHobbing译文题目：滚齿机的新发展学生姓名：周亚峰专业：机械设计制造及其自动化指导教师姓名：杨国哲评阅日期：沈阳工业大学毕业设计（外文翻译）英文原文NewDevelopmentsinGearHobbingDr.OliverWinkelManagementSummarySeveralinnovationshavebeenintroducedtothegearmanufacturingindustryinrecenty

2、ears.Inthecaseofgearhobbing—thedrycuttingtechnologyandtheabilitytodoitwithpowder-metallurgicalHSS—mightbetwoofthemostimpressiveones.Andthetechnologyisstillmovingforward.Theaimofthisarticleistopresentrecentdevelopmentsinthefieldofgearhobbinginconjunctionwiththelatestimprovementsregardingtoolmater

3、ials,processtechnologyandprocessintegration.IntroductionAcoupleofnewerdevelopmentshavebeenintroducedregardinggearhobbing;i.e.,theinnovationsinthesubstratematerialsandcoatingsystemshaveledtoanincreaseofproductivitybyhighercuttingspeedsandlongertoollife.Butweallknowthathigherperformanceleadstohigh

4、erpricesforthetools,sotheimpactonthetoolinvestmentaswellastheresultingcost-per-piecehavetobeexamined.Anotherperspectivetoimproveproductivityistoshortentheprocesschain.Here,theprocessintegrationviachamferinganddeburringonthehobbingmachineisdiscussed.BeyondconventionalchamferingmethodsliketheGrato

5、matprincipleorrotarydeburring,anewprocessusingspeciallydesignedchamferingcutterswillbepresented.-30-沈阳工业大学毕业设计（外文翻译）Finally,thechanceforcostsavingsbyprocesssubstitutionisdiscussed,focusingonexamplesforfinishhobbing.Toovercomeshavingasthetraditionalsoft-finishingmethod,newtoolconceptsarepresented

6、thataimtoincreasetheprocessperformanceregardingtoollifeandworkpiecequality.Ofequalimportance,theabilitytoeliminateorcontrolthenaturaltwistoffinishhobbingmightleadtonewapplications.ModernToolDesignMachinetoolshavealsoimprovedconsiderablyinthelastdecades,buttheirmajorimpactonhobbingtechnologywasre

7、latedtotooldevelopment.Ifweexaminethosepastimprovements,thefocuswas,ontheonehand,onthesubstratematerialsand,ontheotherhand,onthecoatingsystems(Fig.1).Together,bothdevelopmentsledtomuchhighercuttingspeedsand/orlongertoollife.