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麻花钻刃磨装置的设计说明书.doc

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麻花钻刃磨装置的设计说明书.doc

I摘要通过对实际情况的分析调查以及对现有麻花钻刃磨方法的比较和研究,采用内锥面刃磨麻花钻的方法。本设计阐述了内锥面刃磨麻花钻的刃磨原理、刃磨参数和工艺方案的确定、主轴转速的计算、砂轮的选取与安装等一系列问题,从而在研究分析的基础上参考现有主要磨床的设计和改造方法,以及结合内锥面刃磨钻头进行的一些实验和目前在钻头刃磨技术方面所得的成果,设计出了合理有效、安全可靠、经济简捷的麻花钻内锥面刃磨装置。关键词麻花钻内锥面刃磨刃磨装置设计IIAbstractAccordingtotheactualsituationanalysisinvestigationandexistingtwistdrillgrindingmethodofcomparisonandresearch,withtheinnerconegrindingoftwistdrillmethod.Theelaboratedesignoftheinnerconegrindingoftwistdrill,thegrindingprincipleofgrindingparametersandtheidentificationprocess,thecalculationofgrindingwheelspindlespeed,theselectionandinstallationandaseriesofproblems,andonthebasisofresearchandanalysiswithreferencetotheexistingmaingrinderdesignandmodificationmethods,andcombiningwiththeinnerconegrindingdrillsomeexperimentsandpresentindrillgrindingtechnologyresults,andprovethefeasibilityofthedesign,designareasonableandeffective,safeandreliable,economicandsimpleinnerconegrindingoftwistdrilldevice.KeywordstwistdrilltheinnerconegrindinggrindingdevicedesignIII目录摘要.........................................................................................................................................IAbstract...................................................................................................................................Ⅱ第1章绪论....................................................................................................................11.1设计麻花钻刃磨装置的意义.......................................................................11.2麻花钻刃磨技术研究概述...........................................................................11.2.1麻花钻刃磨装置国内外发展状况与趋势....................................11.2.2存在的主要问题.................................................................................41.3麻花钻刃磨方法的比较................................................................................5第2章麻花钻内锥面刃磨的理论分析....................................................................62.1麻花钻的几何特性.........................................................................................62.1.1麻花钻的结构.....................................................................................62.1.2麻花钻的几何参数............................................................................72.2麻花钻的传统刃磨方法................................................................................82.3麻花钻的内锥面刃磨方法...........................................................................92.4麻花钻的内锥面刃磨原理及.....................................................................10刃磨参数优化...........................................................................................................102.4.1钻头刃磨原理...................................................................................112.4.2刃磨参数的优化...............................................................................11第3章麻花钻刃磨装置的机械系统设计.............................................................133.1刃磨装置的总体方案..................................................................................133.2丝杠螺母副的设计计算..............................................................................143.2.1横纵向进给的设计计算.................................................................143.2.2垂直进给的设计计算......................................................................193.3传动系统的锥齿轮设计计算.....................................................................233.3.1横向进给方向上锥齿轮的设计....................................................233.3.2垂直进给方向上锥齿轮的设计....................................................273.4导轨的设计计算...........................................................................................31第4章麻花钻装夹及分度装置设计......................................................................32第5章电动机及砂轮的选择...................................................................................41IV5.1电动机的选择...............................................................................................415.2砂轮的选择....................................................................................................41结论..................................................................................................................................43致谢..................................................................................................................................44参考文献...........................................................................................................................45VContentsAbstract...................................................................................................................................IChapter1introduction.................................................................................................11.1Theresearchpurposeandmeaningofdesigningtwistdrill.....................11.2researchanoverviewoftwistdrillgringingtechnology...........................11.2.1Overviewoftwistdrillsharpeningdevice........................................11.2.2Themainproblems...............................................................................41.3Compareoftwistdrillgrindingmethod.......................................................5Chapter2Thetheoreticalanalysisoftwisttheinnerconegrinding...............62.1Geometricpropertiesofthetwistdrill..........................................................62.1.1Structureofthetwistdrill....................................................................62.1.2Geometricparametersofthetwistdrill...........................................72.1Thetraditionalgrindingmethodofthetwistdrill......................................82.3Theinnerconegrindingmethodofthetwistdrill......................................92.4Theinnerconegrindingtheoryofthetwistdrilland..............................10optimizingofgrindingparameters......................................................................102.4.1Theinnerconegrindingtheoryofthetwistdrill...........................112.4.2optimizingofgrindingparameters...................................................11Chapter3twistdrillgrindingequipmentmechanicalsystemdesign.........133.1Programofgrindingdevice........................................................................133.2Designandcalculationofscrew–nutpairs...............................................143.2.1Horizontalandverticalfeeddesigncalculation.............................143.2.2designandcalculationoftheverticalfeed.....................................193.3Bevelgeardrivesystemdesigncalculation...............................................233.3.1Crossfeeddirectionbevelgeardesign............................................233.3.2Perpendiculartothebevelgeardesign............................................273.4Designandcalculationoftheguide..........................................................31Chapter4Twistdrillclampinganddividingdevice..........................................32Chapter5Selectionofthemotoranwheel...........................................................41

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