申克动平衡原理8

Unbalanceconsequences,causes,definitions...Fundamentals-Part1unbalance,C.o.G.,eccentricity,centrifugalforce,vektor...Fundamentals-Part2axialunbalancedistributiononrigidrotors,typesofunbalances...BalancingandDiagnosticSystemsTolerancesqualitygrade,allocationofbalancingplanes...MeasuringUnbalancebalancingmachines,accomodation,drive,measuringprinciples...Balancingspeeddeterminedbybalancingmaschine,rotor,economy,safety...CorrectionofUnbalancetypesofcorrection(add,remove,shift),economy,errors,tolerance...Errorsphenomena,causes,types,cure(typicalexamples)...StateofaRotorrigidrotor(constantbehaviour),otherrotors(variable~)...Addentumarticles...不平衡量结果，原因，定义……基本原理第一节不平衡量，偏心，离心力，振动……基本原理第二节在刚性转子上的轴向不平衡量的分配，不平衡量的类型……公差质量等级，平衡面的分配……测量不平衡量平衡机，安置，驱动，测量原理……平衡速度的确定平衡机，转子，整体，安全性……不平衡量的校正校正类型（加重，去重，移动质量），整体，误差，公差……错误现象，原因，类型，诊断（典型例子）……转子的状态刚性转子（固定特性），其他转子（变量）……附录条款Mass-axisShaft-axisHattoSchneider,19.2.98,VB-09-Oct-2000Seminar-Chapter-Subject-Page11-07-00-01BalancingandDiagnosticSystemsAimPrinciplesUnbalanceCorrection1aim,2principlesAimofbalancing:Shaft-axisandMass-axiscoincideUsualsituation;unbalanced:不平衡量的校正1个目的，2个原理平衡的目的：使轴线与质心线重合通常位置；不平衡的质心轴轴中心线目的原理HattoSchneider,19.2.98,VB-09-Oct-2000Aimofbalancing:Shaft-axisandMass-axiscoincide2Priciples:1.Mass-axisismovedby:AdditonofmassRemovalofmassShiftingofmass2.Shaft-axisismovedby:Mass-centering(inoneortwoplanes)Typicalapplication:crankshaft(eccentricreworkofshaftsmakesnewshaftaxis)Seminar-Chapter-Subject-Page11-07-01-01BalancingandDiagnosticSystemsAimPrinciplesUnbalanceCorrection1aim,2principlesMass-axisismovedtowardsshaft-axisShaft-axisismovedtowardsmass-axis不平衡量的校正1个目的，2个原理平衡目的：使轴线与质心线重合2个原理：质心轴线移向轴心线质心轴线移动通过：加重去重质量移动原理目的轴心线移向质心线轴心线移动通过：质量定中心（在一个或2个平面）典型应用：曲轴轴的离心重新加工产生新的轴心线HattoSchneider,19.2.98HattoSchneider,26.2.98BalancingandDiagnosticSystemsSeminar-Chapter-Subject-Page11-07-02-01UnbalanceCorrectionprinciple:addingmassaddingmassE.g:Screw,washer,radialapplicationSelectiononmeasuringsystem不平衡量的校正原理：加重在测量系统上选择加重例如：螺钉，垫圈，在半径方向上应用HattoSchneider,19.2.98HattoSchneider,26.2.98BalancingandDiagnosticSystemsSeminar-Chapter-Subject-Page11-07-02-02UnbalanceCorrectionremovingmassremovingmassE.g:Drilling,radialSelectiononmeasuringsystem不平衡量的校正去重在测量系统上选择例如：钻削，半径方向上去重2...3masses1or2planesHattoSchneider,19.2.98,VB-09-Oct-2000Seminar-Chapter-Subject-Page11-07-02-04BalancingandDiagnosticSystemsShiftingmassesUnbalanceCorrectionshiftingofmasses不平衡量的校正质量移动移动质量2…3质量块1或2个平面Mass-axisAftermachiningtheshaft(removaloftheredpart)Applicationexample:Thisisdoneoncrankshaftstoreducetheinitialunbalance,etc.theshaftaxisisinlinewiththemass-axisGeometricalaxisHattoSchneider,19.2.98,VB-09-Oct-2000Seminar-Chapter-Subject-Page11-07-02-05BalancingandDiagnosticSystemsMasscenteringUnbalanceCorrectionprinciples不平衡量的校正原理质心轴加工好轴后（切除了红色部分），轴线与质心线重合了应用事例有在曲轴上加工减少初始不平衡量，等等几何轴质量定中心rr1r2t1tHattoSchneider,19.2.98,VB-09-Oct-2000Seminar-Chapter-Subject-Page11-07-03-01BalancingandDiagnosticSystemsEffectivecorrectionDrilling,radialUnbalanceCorrectioneffectiveunbalancecorrectionoverdepth,radialpenetrationThiscurvecanbecalculatedbysoftware(optionformeasuringsystems)ortakenfromatable不平衡量的校正深度半径方向穿孔的有效不平衡量校正有效的校正，半径方向钻削曲线值可以通过软件（测量系统的选项）计算出，或者从表格中得出。深度钻削，半径方向jjj90°180°0°00.51.0U/Ueff.maxr2r1HattoSchneider,19.2.98,VB-09-Oct-2000Seminar-Chapter-Subject-Page11-07-03-02BalancingandDiagnosticSystemsUnbalanceCorrectionEffectivecorrectionMilling,circumf.12不平衡量的校正有效校正：铣削圆周面