Case Study Elastic Bearings of Floating Floors in Hitachi High-Speed Trains (UK) Considerable increase in passenger comfort Reduction in vibrations and noise Greater safety due to the fi re- retardant Sylomer® FR material Increased Comfort that pays Dividends The project The Getzner solution The British Department for Trans- the carriage components and cause Reduced noise and wear port has invested in new high-speed noise pollution for passengers and trains as part of the “InterCity staff alike. The bogie absorbs a large etzner bearings for floating floors Express Programme (IEP)” rail portion of excitation frequencies from Gguarantee a more peaceful at- investment programme. High the vehicle's undercarriage. However, mosphere in the train interior. “Our comfort levels were the focus of the the remaining vibrations move the high-tech elastomers are highly effec- project. Getzner's solution was vehicle body and subsequently the tive despite their low overall height, elastic floating floors for rolling floor construction, which can lead to and can therefore be relied upon to stock. considerable vibrations and second- meet the required noise levels in the ary airborne noise. passenger carriages”, explains n long-distance lines around the Tomoko Takekawa. Oworld in particular, rail competes Thus, Getzner was tasked with effec- directly with air travel. The expansion tively reducing the floating floor vi- “The elastomers minimise the trans- of many high speed networks be- brations. Getzner was the ideal choice fer of vibrations to the interior fit- tween important cities ensures that for Hitachi owing to the company's tings, the structure and the electronic rail is seen as the better alternative to extensive experience in this area. components. Not only does this signif- air travel in many cases. When choos- ing a suitable rail vehicle supplier, the British Department for Transport opt- ed for manufacturer Hitachi Rail Eu- rope, who is part of the Japanese conglomerate of the same name. This is because Hitachi trains with special floating floor solutions from Getzner Advantages offer major benefits in terms of vibra- tion and noise reduction. — Considerable reduction in vibrations and noise in the Passenger comfort: a crucial sales carriage interior argument — Increased comfort for pas- sengers “Experience shows that travellers — Less wear of the carriage tend to opt for rail if, in addition to construction and thus re- short journey times and punctuality, duced maintenance costs an appropriately high level of comfort — Minimal deflections over the is provided”, confirms Tomoko entire service life Takekawa, Chief Executive Officer of — Simple processing of the Getzner Japan. Uneven running sur- material faces, corrugated rails and the drive — Tolerance compensation motors place considerable stress on during installation Getzner is equipping all trains Greater comfort for passengers manufactured for the programme between 2014 and 2018 with bearings for floating floors Getzner floating floors are consistent with the standards that we employ during train construction. icantly reduce noise, but also wear. In Hitachi trains are made of the fire ping all trains manufactured for the summary, elastic bearings lower retardant material Sylomer® FR. This “InterCity Express Programme” with maintenance costs.” This is a key achieves a Hazard Level (HL) 3 rating vibration-isolating floating floors. It is sales argument for manufacturers of for floor constructions (R10) and the largest project for equipping rail vehicles and rail operators. meets the European requirements of floating floors with Sylomer® FR ma- the DIN EN 45545-2 fire protection terial since Getzner was founded. Elasticity with added safety standard for rail vehicles. Tests and classifications according to German The fact that the polyurethane mate- DIN 5510-2, American NFPA 130 and Feedback rials Sylomer® and Sylodyn® from Japanese JRMA are also available. Getzner are among the leading vibra- “The floor system is an important tion isolation materials on the inter- Extensive experience in the bearing aspect of the new Hitachi 800 train national market is not only reflected of floating floors series, with respect to increased pas- in their effectiveness in reducing vi- senger comfort and safety require- brations and noise. The elastic bear- However, the reason for the collabora- ments. We are looking forward to con- ings in the floating floors of the new tion with Getzner was not just down tinuing our partnership with Getzner to the materials. Lukas Tschann, Pro- and the long-term supply of materials ject Manager at Getzner explains the for the floor system. Getzner is able reasoning behind the decision: “We to tailor these materials perfectly to won the contract due to the excep- customer requirements, and the com- tional performance of our materials, pany's high-quality products are also our extensive experience in equipping consistent with the standards that we rail vehicles and because our solution employ during train construction.” was the most cost-effective. Other significant factors were our interna- Jamie Foster, Procurement Director tional references in this sector and at Hitachi Rail Europe the external assessments that demon- strated the high level of effectiveness and exceptional long-term behaviour of our materials.” The largest order in the company's history The four-year contract includes the supply and the design of approxi- mately 78.000 elastic strips of the material Sylomer® FR. This means that until 2018, Getzner will be equip- Facts and figures Floating floors for rolling stock – "InterCity Express Programme (IEP)" Client: Hitachi Rail Europe Connection: Great Western Main Line from 2017 East Coast Main Line (Phase I and II) from 2018 Implementation: 2014–2018 Scope: Supplying and designing of approximately 78.000 elastic strips of Sylomer® FR (conforming to the DIN EN 45545-2 fire protection standard for rail vehicles) Getzner Project Manager: Lukas Tschann Getzner Werkstoffe GmbH Foundation: 1969 (as a subsidiary of Getzner, Mutter & Cie) Chief Executive Officer: Ing. Jürgen Rainalter Employees: 420 2017 turnover: EUR 95.2 million Business areas: Railway, construction, industry Headquarters: Bürs (AT) Locations: Munich (DE), Berlin (DE), Stuttgart (DE), Lyon (FR), Amman (JO), Tokyo (JP), Pune (IN), Beijing (CN), Kunshan (CN), Charlotte (US) Ratio of exports: 94 % CS WBL en © Copyright by Getzner Werkstoffe GmbH | 07-2018 Werkstoffe Getzner by WBL en © Copyright CS Photo credits: Hitachi Rail Europe Ltd. AUSTRIA — Bürs GERMANY — Berlin — Munich — Stuttgart FRANCE — Lyon JORDAN — Amman JAPAN — Tokyo INDIA — Pune CHINA — Beijing USA — Charlotte www.getzner.com .