RT 710Hydraulic Servo System Didactic Equipment Vocational Training Equipment Hydraulic Training Equipment
Hydraulic position control circuit with adjustable load conditions Features - complete model of a hydraulic servo control loop - position control with adjustable load conditions - hydraulic cylinder with directly mounted control valve - vibration-damped mounting - electronic servo amplifier - software including oscilloscope and frequency generator Learning objectives/experiments - familiarisation with the mode of operation of a hydraulic position control loop with adjustable load conditions - reading and understanding circuit diagrams - replacing springs and adjusting the damper - influence of load and system pressure on control accuracy - influence of the amplifier constants on the stability of the closed control loop - recording the frequency response Specification [1] self-contained training system of a complete hydraulic position control loop with adjustable loading conditions [2] oil circuit with hydraulic unit, hydraulic accumulator, 2 manometers, control valve and hydraulic cylinder to move a weighted carriage [3] operation of the electromagnetic control valve for position control by servo amplifier [4] servo amplifier with adjustable gain [5] all control variables available as voltage signals [6] potentiometric displacement sensor [7] adjustable load conditions on carriage using 2 springs with hand wheel and adjustable damping [8] low-friction ball bearing-mounted carriage [9] mobile steel profile trolley with built-under unit [10] software for data acquisition via USB under Windows 10 Technical data Hydraulic unit - power output: 1,1kW - flow rate: 4,3L/min - head: 1500m - tank capacity: 10L Hydraulic accumulator capacity: 2L Accumulator charging valve: max. 40L/min Hydraulic cylinder - piston diameter: d=40mm - stroke: 150mm - mass moved: 50kg Control valve NG6 - nominal flow rate: 24L/min - activation: ±10V Potentiometric position sensor - measuring range: 150mm - output: 0 …10V 400V, 50Hz, 3 phases; 400V, 60Hz, 3 phases 230V, 60Hz, 3 phases; UL/CSA optional LxWxH: 1680x670x1600mm; Weight: approx. 420kg