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PRODUTOS » Sistemas de Ensaios » Structural Durability » Structural Durability Solutions » Dynamic Torsion Test System

Dynamic Torsion Test System

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Challenge

New technology and the associated demands on a modern clutch system require a further development of existing systems to meet these requirements. Main focus is on the power flow between the engine and the transmission: Rapid and reliable separation and connection of the power flow, smooth moving-off, damping of engine vibrations, easy operation, long life without sacrificing comfort and a requirement  to minimize installation space.

In order to meet these requirements, dynamic component inspections and operational strength tests must be carried out on your coupling components or 2-mass flywheels, with dynamic centrifugal forces (with rotational momentum, with corresponding centrifugal forces). Furthermore, the real wear of your clutch components and damping elements must be examined. In addition, torque characteristics must be determined over the angle of rotation.

Solution

The dynamic torsion test stand is designed for the operational fatigue testing of torsional vibration dampers under rotational speed. These are used as damping elements in two-mass flywheels of modern clutch systems. Damping elements serve to reduce the vibrations generated by the clutch and the rotating transmission masses.

The permanent behavior of the bearing and damping elements in the flywheel is examined. Furthermore, multi-stage torsional characteristics (clutch hysteresis loops) can be determined as a function of the rotational speed during torque changes (thrust and tension).

The nominal torques of up to 2500 Nm and high-frequency torsional vibrations are generated by a spinning Hydropuls rotary cylinder with a rotary vane principle. This is rotated at a controllable speed together with the test specimen. As a result, all loads occurring under operating conditions can be simulated on the test specimen.

Controller Labtronic® 8800ml

Labtronic 8800ml, Instrons new test controller, provides an integrated laboratory solution for all requirements from component tests through to simulation of service loads on full vehicles.

Hydropuls® actuators

Hydropuls hydraulic actuators are used in the full of static and dynamic applications where high precision simulation of movement, forces, strains and accelerations are required.

Power Packs and accessories

A modular range of variable flow hydraulic power supplies are available to service dedicated test systems or to be configured as a central laboratory supply facility. Pipeline solutions are also available to safely distribute the hydraulic supply around the lab.

Sensors

A comprehensive range of fatigue rated precision transducers are available to measure position, force, torque, pressure, strain and acceleration.

Servo valves

To deliver the full range of actuator performance requirements, a range of 2 and 3 stage servo valves with flow rates from 5 liters to 2400 liters/min are available.

RSLabSite modulogic

All you need for your durability tests is the measurement data obtained from the proving ground – RS LabSite® modulogic will do the rest!

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