References

Project description

Receiver isolation by vibration-insulated installation of a high-precision portal milling machine with a total mass incl. reinforced concrete foundation of approx. 650 t. Protection of the milling machine against vibrations from the adjacent press shop to ensure machining accuracy of the milling machine. Limitation of horizontal movements by horizontal buffer.

Solution

Delivery and installation of 20 VICODA spring elements with max. load capacity of 370 kN and 4 horizontal buffers. Vertical tuning frequency of the setup of approx. 2.9 Hz and damping factor of > 20%.

Project data

ProductSpring elements S-WPV, horizontal buffer VMBriefVibration-isolated installation of a high-precision portal milling machineDelivery date2017CountryDEObjectHigh-precision portal milling machine on reinforced concrete foundation

Project description

Limitation of vibration amplitudes and ground forces by vibration-isolated installation of a centrifugal fan with a weight of approx. 13t. In previous elastic installation, large horizontal movements occurred during operation due to resonance in the horizontal direction. Strong corrosion of existing spring elements.

Solution

Replacement with 11 VICODA spring elements with special coating for highly corrosive medium. Vertical tuning frequency of the setup approx. 7 Hz, degree of isolation 55%. Reduction of vibrating movements due to increased horizontal rigidity.

Project data

ProductSpring elements S-ULPBriefVibration isolation of a fan, dynamic foot forcesDelivery date2017CountryHUObjectCentrifugal fan in fertilizer factory

Project description

Vibration reduction through vibration-isolated installation of a medal press with a total weight of approx. 10 t and 80 strokes/min. The damping was to be chosen so that the press is at rest before the next lifting process, so as not to interfere with the production process.

Solution

Delivery of 4 spring elements with integrated damping > 10% and a load capacity of max. 130 kN (29,225.16 lbf). Vertical tuning frequency approx. 7 Hz

Project data

ProductSpring elements MPDBriefVibration-isolated installation of a medal press.Delivery date2016CountryDEObjectMedal press

Project description

Vibration reduction through vibration-isolated installation of a toggle press with a total mass of approx. 225 t and 25 strokes/min. The damping was to be chosen so that the press is at rest before the next lifting process, so as not to interfere with the production process.

Solution

Delivery of 4 spring elements with integrated damping of approx. 10% and a vertical tuning frequency of 4.2 Hz and a load capacity of 650 kN (146,13 lbf) per spring element.

Project data

ProductSpring elements PHDBriefVibration-isolated installation of a toggle pressDelivery date2006CountryDEObjectKniehebelpresse

Project description

Limitation of the dynamic forces applied to the ground by vibration-isolated installation of a gas engine with generator with a total mass of approx. 106t. In addition to vibration isolation of the operating loads, earthquake requirements were also taken into account in the design of the spring elements and dampers.

Solution

Delivery of 10 spring elements with a damping degree of 11% and a load capacity of max. 147 kN (33,046.91 lbf)per spring element. Vertical tuning frequency of the setup of approx. 2.6 Hz, degree of isolation 90%.

Project data

ProductSpring elements SL and SHBriefVibration-isolated installation of a gas engineDelivery date2016CountryJPObjectGas engine with generator on steel frame

Project description

Reduction of operating vibration amplitudes by a factor of 6 on a condensation line by installing viscoelastic dampers. Fatigue cracks were already evident on the weld seams due to impermissible operating amplitudes.

Solution

Vibration measurement and selection of suitable viscoelastic damper. Design and manufacture of the bearing steel construction. Vibration reduction by a factor of 6.

Project data

ProductViscoelastic damper type VDBriefDamping of a condensation lineDelivery date2016CountryDEObjectCondensation line in a CHP

Project description

Vibration reduction through a TMD with an efficiency of 22 dB in a temperature range of -7 °C to + 55 °C. Significant vibrations on an aftercooling line of a compressor (DN250).

Solution

Installation of Pipe TMDs with a mass of 350 kg (771.62 lbs), a natural frequency of 6.4 Hz (5.9 Hz) and a damping of 20% of the critical damping. The vibration amplitude is ± 9 mm (0.35").

Project data

ProductPipe TMDBriefPassive absorbing of a compressor aftercooling lineDelivery date2015CountryAUObjectAftercooling line of a compressor in a chemical plant

Project description

Reduction of vibration velocities through active absorption on the pipeline. Process-induced vibration excitation by the rising medium in the pipe, which meets at the top end of a double 45° deflection.

Solution

Installation of an active tuned mass damper with a total mass of 147 kg (324.08 lbs) and a frequency range of 1–200 Hz.

Project data

ProductPipe ADDBriefActive absorption of a pipelineDelivery date2014CountryDEObjectPipeline in a chemical plant

Project description

Vibration-isolated mounting of a turbine deck with a total static weight of approx. 6390 t for a 910 MW steam turbine.

Solution

Use of a total of 36 steel spring elements of the GT series with a single load capacity of up to 2158 kN.

Project data

ProductSteel spring elements type GTBriefVibration-isolated installation of a turbineDelivery date2015CountryPLObjectSupport of a turbine deck

Project description

Vibration isolated installation up of an induced draft fan with a total static mass of approx. 500 t.

Solution

Installation of 28 steel spring elements, some with integrated high-viscosity damping of the GI/GID series with a single load capacity of up to 412 kN (92621.28 lbf). To do this, the foundation without fan had to be raised by approx. 50 mm (1.97"), using a total of 8 hydraulic cylinders, and then lowered again after installation of the steel spring elements.

Project data

ProductSteel spring elements type GI/GIDBriefVibration-isolated installation of an induced draft fanDelivery date2009CountryDEObjectSupport of an induced draft fan