News archive

Gym floors for Zengun

Vibratec signed today a LTA (Long Term Agreement) with Siemens

Vibratec has been awarded a grant from Vinnova

Constrained Layer Damping on old steel bridge


Royal Music Academy in Stockholm

Constrained layer damping in Kansas

Surface treatment of our wire rope isolators

The method of surface treatment of our wire rope isolators has been changed. We have replaced the so-called hexavalent chromium (Cr+6) in the plating process with E-clps 3+, which is a more environment friendly process and according to EU-regulation RoHS.

The new Cr+3 plating process results in equivalent plating rate, hardness, and current efficiency compared with Cr+6 plating, and will not effect the price. However, with the new surface treatment the wire rope isolator will have a white “natural” aluminum color instead of the previous yellow.


Vibration isolation of new SystemAir lab in India

Systemair India Pvt. Ltd. (100% owned subsidiary of Systemair AB, Sweden) has just come up with a ultra-modern laboratory to test air and sound performance. The new laboratory has a pressure chamber and an acoustic chamber and is thus sensitive to vibrations and structure borne noise. The complete lab weighs 145 tons and is standing on 56 vibration isolators in kevlar reinforced rubber resulting in a resonance frequency below 10 Hz. The special isolators were casted into the concrete floor and later jacked up when all walls, ceiling etc was in place. The placement of the isolators was carefully calculated to ensure equal load distribution on the isolators.

Vibratec’s agent Prodiscom spent 11 days on the site to supervise and assist during installation, concreting and final jack-up. The lab, being a part of Systemair’s latest technology centre, is situated i Noida in the province Uttar Pradesh.

Vibration Isolation of Kv. Västända

The quarter Västända is under construction during 2015. The buildings (that will house 180 appartments) are bounded by the roads Årstavägen, Johanneshovsvägen and is also forming an overall decking of the tramway Tvärbanan. The complete buildings therefore had to be vibration isolated from the ground. This was done by introducing elastic trips between the load bearing concrete walls and the building foundation soles. As elastic materials where used mats of ReguFoam in different widths and stiffness’s to ensure proper performance.

Contractor for the project is JM Entreprenad AB