23-01-2013, 12:57 PM
AIR MOTORS
AIR MOTORS.pptx (Size: 734.23 KB / Downloads: 84)
Devices which transform pneumatic energy into mechanical rotary movement
Pneumatic power into shaft power
Working elements operating on a compressed air
Pressure is converted into torque
Flow rate is converted into speed
CATEGORISED ACCORDING TO DESIGN
Piston motors
Sliding vane motors
Gear motors
Turbines
CHARECTARSTICS OF PNEUMATIC MOTOR
Smooth regulation of speed and torque
Small size (weight)
Overload safe
Insensitive to dust, water, heat, cold
Explosion proof
Large speed selection
Maintenance minimal
Direction of rotation easily reversed
Applications
Used in various pneumatic tools. Most popular are
Hand held drill m/c
Torque wrenches
Also used in industries