ME357 Mechanical Design and Manufacturing ll Electric Motors Principles and Applications 1
1 ME 357 Mechanical Design and Manufacturing II Electric Motors Principles and Applications
Lectures ME350 Power/Energy Conversion (Electrical Motors) Power/Energy Transmission (Gears, Belt Drives, Power Screws) Joints Transmission (Fasteners, Support Structural Connectors) (Bearings) Support (Frames Shafts Axles Spindles) Tools Stress Analysis, Failure Theories Dynamics,Statics,Etc.... 2
2 ME 350 Lectures Power/Energy Conversion (Electrical Motors) Power/Energy Power/Energy Conversion Conversion (Electrical Motors) (Electrical Motors) Power/Energy Transmission (Gears, Belt Drives, Power Screws) Transmission Support (Bearings) Joints (Fasteners, Connectors) Structural Support (Frames Shafts Axles Spindles) Tools Stress Analysis, Failure Theories Dynamics, Statics, Etc…
Power/Energy Converters ME350 Rotary >Electrical Input->Mechanical Rotary Motion/Torque =DC Motor(直流电机) =AC Motor(交流电机) =Stepper Motor(步进电机) >Combustion -Mechanical Rotary Motion /Torque =Gasoline Engine(发动机) =Gas Turbine（燃气轮机) 3
3 Power/Energy Converters ME 350 • Rotary ¾Electrical Input -> Mechanical Rotary Motion/Torque =DC Motor DC Motor（直流电机） =AC Motor（交流电机） =Stepper Motor（步进电机） ¾Combustion -> Mechanical Rotary Motion /Torque =Gasoline Engine（发动机） =Gas Turbine（燃气轮机）
Power/Energy Converters ME350 ●Linear >Electrical Input->Mechanical Linear Motion/Torque or force Solenoids =Leadscrew linear actuators(丝杠线性执行机构) =Solenoids（电磁铁或螺线管) >Pressure -Mechanical Linear Motion/Torque or force =Hydraulic Pumps(液压泵) =Hydraulic Actuators(液压动力装置) =Pneumatic Actuators(气动动力装置) =Compressors(压缩机) 4
4 Power/Energy Converters ME 350 • Linear ¾Electrical Input -> Mechanical Linear Motion/Torque or force =Leadscrew linear actuators（丝杠线性执行机构） =Solenoids（电磁铁或螺线管） ¾Pressure -> Mechanical Linear Motion/Torque or force =Hydraulic Pumps（液压泵） =Hydraulic Actuators（液压动力装置） =Pneumatic Actuators（气动动力装置） =Compressors（压缩机） Solenoids
Electric Motors ME350 Electric Motors convert electrical power to mechanical power. Electrical Power Mechanical Power Electric Motor 1,V F,vorT,o /Current F:Force T:Torque V:Voltage v:Velocity o:Angular Velocity Electrical Power=I*V Mechanical Power F*v for linear motor T*o for rotary motor Electric motors normally i mean electromagnetic motors. They use the principles of electromagnetism for electrical/mechanical power conversion.s
5 ME 350 Electric Motors • Electric Motors convert electrical power to mechanical power. Electric Motor Electrical Power I, V Mechanical Power F, v or T, ω I : Current V: Voltage F: Force v: Velocity T: Torque ω: Angular Velocity • Electric motors normally mean electromagnetic motors. They use the principles of electromagnetism for electrical/mechanical power conversion. Electrical Power = I*V Mechanical Power = F*v for linear motor = T* ω for rotary motor