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1、双动薄板冲压机液压系统设计(有全套图纸)全套图纸或资料,联系qQ174320523双动薄板冲压机液压系统设计摘要随着航天、汽车、轮船等钣金件工业的不断进步,市场对薄板质量的需求越来越高,对薄板的冲压性能也越来越高,不仅要求生产效率的提高,生产质量更要求严格。因此,薄板冲压机对钣金件冲裁、拉伸、成形、弯曲、校正等加工工艺中起到非常重要,同时也能起到提高生产效率和生产质量。近年来,我国的工程机械取得了蓬勃的发展,其中,液压传动技术起到了至关重要的作用。而且,随着液压传动技术的快速发展和广泛应用,它已成为下业机械、下程建筑机械等行业小可缺少的重要技术。然而,尽管液压技术在机械能与压力能的
2、转换已取得很大进展,但它在能量损失和传动效率上仍然存在着问题。因为,在液压系统中,随着油液的流动,有相当多的液体能量损失掉,这种能量损失不仅体现在油液流动过程中的内摩擦损失上,还反映在系统的容积损失上,使系统能量利用率降低,传动效率无法提高。高能耗和低效率又使油液发热增加,使性能达不到理想的状况,给液压技术的进一步发展带来障。因此,探索和研究高效液压传动技术,提高其综合性能就成为了液压技术领域研究的重点之一。关键词:钣金件;工程机械;损失;高效DoubleactionthinsteelplatepunchpresshydraulicsystemdesignAbstractAlong
3、withsheetmetalindustry'sandsoonastronautics,automobile,steamboatunceasingprogresses,themarketisgettinghigherandhighertothethinsteelplatequality'sdemand,isalsogettinghigherandhighertothethinsteelplaterammingperformance,notonlytherequestproductionefficiency'senhancement,theproductionqualityreque
4、stsstrictly.Therefore,thethinsteelplatepunchpresstothesheetmetalblanking,thestretch,theforming,curving,processingcraftsandsoonadjustmentgetsupisimportant,simultaneouslycanalsohavetheenhancementproductionefficiencyandtheproductionquality.therecentyears,ourcountry'sengineeringmachineryhasmadethe
5、vigorousprogress,thehydraulictransmissiontechnologyplayedtherolewhichwantedveryimportant.Moreover,alongwiththehydraulictransmissiontechnology'sfastdevelopmentandthewidespreadapplication,ithasbecometheimportanttechnologywhichindustrythemachinery,professionsandsoonfarewellgiftoffoodconstructionm
6、achinerysmallmaylack.However,althoughthehydraulictechniquehasmadetheverybigprogressinthemechanicalenergyandthepressureenergytransformation,butitstillhastheproblemintheenergylossandthetransmissionefficiency.Because,inthehydraulicsystem,alongwiththefatliquorflowing,hasthequitemanyliquidenergylos
7、s,thiskindofenergylossnotonlymanifestsinthefatliquorflowingprocessintheinternalfrictionloss,butalsoreflectedthatinsystem'svolumetricloss,causesthesystemenergyusefactortoreduce,thetransmissionefficiencyisunabletoenhance.GaoNenghaoandthel
