开式齿轮润滑ppt培训课件

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1、OpenGearLubrication开式齿轮润滑OpenGearLubrication开式齿轮润滑Introduction介绍GearDefinition齿轮定义Gearsaremachinepartsthattransmitpowerandforcefromonerotatingshafttoanother.齿轮是把动力从一个转轴传递到另一个转轴的机械零件.Thesmallergeariscalledthe“Pinion”gear小齿轮又称“Pinion”Thelargergearisthe“Girth”or“Bull”gear大齿轮又称“Girth”或“Bull”OpenGears开式

2、齿轮开式齿轮被用来传递动力给高转速和低转速的设备，这些设备承受高负荷并且在恶劣工作条件中运行。Opengearsareusedtotransmitpowertolargeandslowlyrotatingequipmentunderhighloadandsevereoperatingconditions.Examples(举例)Mills磨粉机Kilns炉窑Rotarydriers旋转式干燥器Coolers冷却器DifferencebetweenOpenandClosedGears开式齿轮和闭式齿轮的区别闭式齿轮ClosedGearsFullyenclosedcontrolledenviro

3、nment完全可控环境Circulatingfluid循环流动Lubricantfiltration润滑剂过滤开式齿轮OpenGearsSemicontrolledenvironment半可控环境Noncirculatingfluid非循环流动Nofiltration没有过滤Mainshaftwithbothgrindingstone-shaftson12thcenturymill12世纪磨粉机：带有两个磨石轴的主轴Nothingnew.Usedsince400BCtopumpwaterandtransferpowerfromwindmills从公元前400年开始人们就用风车抽水和传递动力M

4、odernGearPerformance现代齿轮工作性能Power动力>2x5000KW(两个小齿轮)Circumferentialspeedupto12m/sec转动速度可达12米/秒Toothwidthupto1200mm齿宽可达1200毫米OpenGears开式齿轮GirthGearSuspensionSystems矢轮悬吊系统Suspensionviaspringsattachedtoshellofrotaryequipment.Mostlyforrotatingkilns,dryers,coolers.通过弹簧附在旋转设备的外壳。主要对旋转窑、干燥机、冷却器。Directattac

5、hmenttorotatingequipment，Mostlyforrodmills,ballmills.直接附在旋转设备上。主要对棒磨机、球磨机。Suspensiononspringelements悬吊在弹簧元件advantages:-onlyinsignificantheattransmission-smallthermaldeformation优点:-热传输可忽略-热变形小disadvantages:higherrequirementsatinstallation缺点:-安装要求较高attachmenttoShell附在外壳上Advantages:fastinstallationnod

6、eformationsduringgearmash优点：快速安装在齿轮捣碎时没有变形Disadvantages:-hightransmissionofvibrations-possibledeformationsduetohightoothpressureandtemperatureeffect缺点：高的振动传动由于齿面压力高和温度影响可能变形GearDesign,ControlledFactors齿轮设计-受约束的因素Factorsaffectingservicelife影响使用寿命的因素Profileofthegears,spur,helical,doublehelical齿轮的外型：直

7、齿，斜齿，人字齿Singleordoublepiniondrives单个或双个小齿轮驱动Useofthroughhardenedorcasehardenedpinions小齿轮通过淬火硬化Inputpinionspeed100–220rpm小齿轮的转速100-220转/分钟Dimensionofgearmodules齿轮的模数numberofpinionteeth小齿轮齿数facewidth齿轮宽度geard