水平数控滑台x轴低速传动系统的研究与设计大学论文.doc

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1、水平数控滑台X轴低速传动系统的研究与设计水平数控滑台X轴低速传动系统的研究与设计学生：XX，XXXX机电与建筑工程学院指导老师：XXX，XXXX摘要从20世纪中叶数控技术出现以来，数控机床给机械制造业带来了革命性的变化。数控加工具有如下特点：加工柔性好，加工精度高，生产率高，减轻操作者劳动强度、改善劳动条件，有利于生产管理的现代化以及经济效益的提高。数控机床是一种高度机电一体化的产品，适用于加工多品种小批量零件、结构较复杂、精度要求较高的零件、需要频繁改型的零件、价格昂贵不允许报废的关键零件、要求精密复制的零件、需要缩短生产周期的急需零件以及要求100%检验的零件。数控机床的特点及其应

2、用范围使其成为国民经济和国防建设发展的重要装备。本设计对数控机床的滑台部分进行了研究关键词：数控机床数控滑台丝杠ABSTRACTFromthemid-twentiethcenturynumericalcontroltechnologytoemerge,NCmachinetoolsformechanicalmanufacturingindustryhasbroughttherevolutionarychange.NCmachininghasthefollowingcharacteristics:machiningflexibility,highmachiningaccuracy,prod

3、uctivityhigh,reducelaborintensity,theoperatortoimproveworkingconditions,behelpfulforproductionmanagementmodernizationandimprovetheeconomicbenefitsofthe.CNCmachineisakindofhighintegrationofmachineryproducts,applicabletosmallbatchprocessingvarietiesparts,thestructureisrelativelycomplicated,highera

4、ccuracyoftheparts,theneedforfrequentdakenparts,expensivedon'tallowdiscardofthekeyparts,requirementsofprecisioncopyparts,needtoshortentheproductioncycleofurgentlyneededpartsand100%inspectionrequirementsofparts.Numerically-controlledmachinetool'scharacteristicsandapplicationscopemakeitbecomenation

5、aleconomicandnationaldefenseconstructiondevelopmentimportantequipment.KEYWORDS:numericalcontrolmachineCNCSlipsetsscrew-24-水平数控滑台X轴低速传动系统的研究与设计目录摘要·························································1ABSTRACT···················································1课题来源····························

6、·····························11引言·························································22结构的设计···················································33传动链的设计计算·············································1031载荷的计算···············································103.2滚珠丝杠的动载荷计算与直径的估算················

7、·········113.2.1按预期的工作时间估算滚珠丝杠的额定动载荷3.2.2按精度要求确定允许的滚珠丝杠的最小螺纹底径　3.3滚珠丝杠螺母副的承载能力的校验·····························12-24-水平数控滑台X轴低速传动系统的研究与设计3.3.1压缩载荷的校验3.3.2滚珠丝杠螺母副的临界转速的校验3.3.3滚珠丝杠螺母副额定寿命的校验　　3.4计算机械传动系统的刚度·····················