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Ed23/5 SERIES ELECTRO-HYDRAULIC THRUSTERS FOR INDUSTRIAL DRUM BRAKES
An Electro-hydraulic thruster is a device that generates linear thrust (or force) necessary for the operation of specific mechanisms. It requires a three-phase power supply as input. These thrusters are extensively employed to activate mechanisms such as Thruster Shoe Brakes, which are commonly found in material handling machines.
Description
THRUSTER SPECIFICATIONS :
The centrifugal pump and motor are immune from external overloading. Standard motor design are suitable for 380Voltes /50 Hz /3-phase supply. Other voltages connected, class'F' windings have internal star point and the three supply phases can be connected on the terminal board, irrespective of the phase sequence. The bi-directional radial flow impeller works with equal performance eficiency in both directions.
CONSTRUCTION FEATURES &OPERATION :
The two main sub-assemblys of the hydraulic thruster, the electric motor and the hydraulic unit are co-axially assembled to form the working unit.
In the switched off state (de-energised), the piston is at is lowest position due to external load (as brake spring ofthe drum brake),and the brake is applied. When energized,the electric, motor drives the centrifugal pump and delivers working fluid under the piston, under high pressure. This moves the piston axially in the guided path,and delivers thrust of force required to operate the attached device (like thruster brake) via the piston rod and the eye-lug attached device to it. The working stroke can be step-lessly controlled by external load.
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