美国机械工程师手册_26663_yb.pdf

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1、TABLEOFCONTENTSMECHANICSMECHANICSMECHANICALPROPERTIESOFBODIES(Cont.)113TermsandDefinitions114UnitSystems162WorkandPower114Gravity163CentrifugalForce116Metric(SI)System167BalancingRotatingParts118ForceSystems167StaticandDynamicBalancing118ScalarandVectorQuantities167BalancingCalculations118

2、GraphicalResolutionofForces168MassesinSamePlane120CouplesandForces170MassesinTwoorMorePlanes121Resolutionofforcesystems171BalancingLatheFixtures122SubtractionandAdditionofForce126ForcesinTwoorMorePlanesFLYWHEELS127ParallelForces173Classification128NonparallelForces173EnergybyVelocity130Mec

3、hanisms174FlywheelDesign130Inclinedplane,Wedge174FlywheelsforPresses,Punches132LeversandShears133Toggle-joint176DimensionsofFlywheel134WheelsandPulleys177SimplifiedFlywheelCalculations135DifferentialPulleyandScrew178CentrifugalStressesinFlywheelMECHANICALPROPERTIESOF179CombinedStressesinFl

4、ywheelBODIES179ThicknessofFlywheelRims180SafetyFactors136PropertiesofBodies180SafeRimSpeeds136Formulasforcenterofgravity181SafeRotationSpeeds143MomentsofInertia182BurstingSpeeds144Polarmomentsofinertia183StressesinRotatingDisks146RadiusofGyration183SteamEngineFlywheels151CenterandRadiusofO

5、scillation184EngineFlywheel151CenterofPercussion184SpokesorArmsofFlywheels151VelocityandAcceleration185CriticalSpeeds151ConstantVelocity186CriticalSpeedFormulas152LinearMotionwithAcceleration187AngularVelocity153RotaryMotionwithAcceleration187LinearVelocityofPointsona154Force,Work,Energy,a

6、ndRotatingBodyMomentum154AccelerationsbyUnbalancedPENDULUMSForces188TypesofPendulums156TorqueandAngularAcceleration189PendulumCalculations156Energy189PendulumFormulas158ForcesandCouples158WorkandEnergyFRICTION159ForceofaBlow160ImpulseandMomentum190LawsofFriction191CoefficientsofFriction191

7、RollingFriction191StaticFrictionCoefficients112MECHANICS113MECHANICSThroughouttheMechanicssectioninthisHandbook,bothEnglishandmetricSIdataandformulasaregiventocovertherequirementsofworkingineithersystemofmeasurement.ExceptforthepassageentitledTheUseoftheMetric