Test Rig Technology Brochure
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TORSION MOTORS • HYDRO SWINGERS Components for economically efficient Four Square Test Rigs

GAT - Technology for economically efficient Four Square Test Rigs for drive elements GAT - Gesellschaft für Antriebstechnik mbH with headquarters in Geisenheim, Germany, is a leading international technology company. For more than 30 years, GAT has been developing and producing tailored products for the most diverse industry applications in the electrotechnical transmission technology as well as fluid and sealing technology sectors. As an innovative company that meets the challenge of the ever and always faster increasing requirements of modern technologies, GAT and their employees are...

The components Developing new components for drive systems requires careful testing to ensure compliance with technical requirements. The reason for following this approach is not only the need to adhere to the applicable product liability laws but also because we aim for better performance and increased efficiency while reducing costs at the same time. Marine drive systems Wind turbine gearboxes Automotive drive systems GAT is your ideal partner whenever you need to plan a test rig suitable for running full-load tests of drive elements subject to torsional forces. Benefit from our...

Torsion Motors VMC/EVC Torsion Motors VMC/EVC comprise a hydraulic actuator and a rotary union. The hydraulic actuator is based on the swivel-vane principle. Its vane shaft is hydraulically suspended. Pressurized fluid is transmitted from the fixed housing part into the rotating hydraulic actuator by the rotary union. This represents the core element that ensures the operational reliability of the hydraulic supply to the rotating hydraulic actuator. VMC 1.000 - 100 - Inline mounting EVC 2.500 - 100 - RB - PB -Running in bearing for inline mounting Torsion Motors VMC are especially suitable...

* In standard design, ** On request, *** Shaft 1:50 Taper, **** Design: I=Inline, F= Cantilever, RB= Unit Running in Bearings, Other sizes and custom variants on request.

Torsion Motors VM/EV Torsion Motors VM/EV comprise a hydraulic actuator and a rotary union. The hydraulic actuator is based on the swivel-vane principle. The vane shaft is suspended in friction bearings. Pressurized fluid is transmitted from the fixed housing part into the rotating hydraulic actuator via the rotary union. The rotary union is the core element ensuring the reliable hydraulic supply of the rotating hydraulic actuator. EV 20.000 - 100 - RB - Running in bearing for inline mounting Features: Low leak-oil volume Suitable for servo-hydraulic operation Medium primary rotational...

Hydro Swingers HSC/EHC Hydro Swingers HSC/EHC comprise a hydaulic actuator with attached servovalve block and angle sensor. The hydaulic actuator is based on the swivel-vane principle. The valve unit comprising servovalve manifolds, pressure sensors and accumulators is attached to the valve block and is attached to the hydraulic supply. The shaft ends are coupled by a 1:50 taper. The coupling flanges are attached clearance-free with an oil interference fit. ■ Tough design ■ High dynamic response ■ Direct torque generation ■ Wide frequency range ■ Long product lifetime Excellent suitable for...

Hydraulic Supply HA The Hydraulic Supply HA unit provides the hydraulic energy to operate torsion motors or hydro swingers. It also cools and filters the hydraulic oil. The unit comprises a hydraulic unit and a control unit. Its modular control system can be extended to allow the controlling and monitoring of systems with several individual drives. HA 20 - 170 / 230 HA 90 - 230 Features: Compliant with the requirements of GAT Torsion Motors Long maintenance cycles Long product lifetime Separate cooling circuit Simplest operation Fast start-up It can also be extended to control and monitor...

Control Electronics RE The Control Electronics RE is especially designed for use in Four Square Test Rigs with GAT Torsion Motors. Operational reliability, fast start-up and flexibility are the key features of the GAT Control Electronics RE. Depending on the application either torque or torque angle are used as control parameter. Setpoint values can be specified either by function generators or by process controllers. Features: Modular design in 19“-rack system PID controllers with adjustable limit values, ramps and control definitions Digital display for displaying values in % LCD for...

The Four Square Test Rig with GAT Torsion Motors The power circulates in the mechanically closed loop via the first test rig gearbox, the torsion motor, the second test rig gearbox and the sample, or, depending on torsional direction and sensor of rotation in reverse direction. The torque will be generated by impingeing the torsion motor with hydraulically pressure within the closed loop. The drive is dimensioned only to compensate for friction loss and to control the rotational speed of the system. This design is especially efficient because only the energy dissipated by the rotating...

VMC 100.000 - 40 Cantilever - Inline mounted Full-load testing of drive shafts and joints (CV shafts) Torsion motor EV 4.000-100 Torque up to 6,000 Nm Speed 2,500 rpm Cantilever mounted torsion motor Full-load testing of 80,000 kW power plant gearboxes Torsion motor VMC 100.000-40 Torque up to 200,000 Nm Speed 4,000 rpm ± 20° torsion angle Cantilever torsion motor inline mounting Full-load testing of Martime gearboxes Torsion motor EV 100.000-120-RB Torque up to 150,000 Nm Speed 1,500 rpm ± 50° torsion angle Inline mounted torsion motor, runnig in bearing Full-load testing of wind turbine...

Our Product Portfolio ■ Rotary Unions ■ Electrical Slip Rings ■ Precision Air Bearings ■ Test Rig Technology ■ Special Equipment GUARANTEED QUALITY MANAGEMENT GAT - Gesellschaft fur Antriebstechnik mbH GAT - Gesellschaft fur Antriebstechnik mbH IndustriestraGe 11 65366 Geisenheim - Germany