The bench is a unit for the study of the technical and operational characteristics of two kinds of hydraulic motor: the gear motor and the axial piston motor. The hydraulic main unit supplies the oil at a flow rate and pressure necessary to operate the motors, whose power is dissipated by a mechanical brake. The supplied instrumentation is used to draw the performance curve of the two engines.
TRAINING PROGRAM
• Study of a hydraulic volumetric motor operation
• System start-up and operation check-up
• Measurements: temperature, pressure, flow rate, torque, rpm
• Experimental calculation of the following curves: flow/rpm, torque/rpm, power/rpm of the two engines
• Experimental calculation of the motor performance
TECHNICAL SPECIFICATIONS
• Wheeled oven-painted steel framework
• Color screen-printed plate reproducing the hydraulic circuit
Hydraulic main unit
• Electric motor power: 1.5 kW – 900 rpm
• Pump flow rate: 8.2 l/min
• Max pressure: 65 bar
• Suction filter
• Pressure limiter
• Oil: 80 l
• Indicators of min. and max. oil level
• Oil filling and drain plugs
• Oil thermostat and thermometer
• Oil heater power: 2 kW
• Water heat exchanger
• Thermostatic cooling valve
Hydraulic motors
• Flow control valve
• Gear motor
• Axial piston motor
• Mechanical brake
Instrumentation
• Control panel
• 2 flowmeters with digital display
• Load cell with digital display
• Tachometer with digital display
• 3 digital thermometers with Pt100 probe
• 3 dial pressure gauges
• Digital multimeter
