| Machinery |
Glazing Work at Dresdens Main Station
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Dresdens main station is now being renovated as virtually the last German station of Deutsche Bahn AG, based on the design by Sir Norman Foster.
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 Even though the area above the platforms has a new membrane roof, made from a very tear-resistant material (fibre-glass Teflon) in place of its glass roof, there is still a section with a glass roof in the station concourse.   The 4.47 x 2.00 m panes of insulating glass made from ESG12 with a L7R16 and VSG ZO TUG sun filter and screen printing, weighing approx. 700 kg and approx. 48 mm thick had to be assembled in the station concourse. 90 of such large roof panes had to be produced and then also glazed. The specialist Glas Zange from Weiden, Germany (http://glas-zange.de) has the necessary expertise and the required machinery to produce 6 x 3.21 m insulating glass. Even unusual requirements do not present a problem for this specialist.   For this work, the building trade association, Bayern & Sachsen, Germany required a vacuum lifting device that meets the EU standard EN 13155. An essential requirement of the standard EN 13155 is a redundant vacuum system for vacuum lifting equipment, i.e. a vacuum lifting device with two independent vacuum circuits and the associated functionality to control the vacuum. Each vacuum circuit must be able to support twice the nominal load easily. Only a handful of manufacturers are able to offer 2- circuit devices that can meet these requirements. Pannkoke Flachglastechnik GmbH from Luebeck, Germany (http://www.pannkoke.com) is one the manufacturers to offer such vacuum lifting devices and completely got to grips with the issue of “redundant vacuum lifting devices” early on.   For the glazing to the roof of Dresden's main station and for other projects, Glas Zange extended the machinery required for such glazing work to include the battery-powered KOMBI vacuum lifting device 7211-DS3. The battery-powered KOMBI 7211-DS3 device with a maximum load bearing capacity of 1000 kg was ordered to turn through +/-360° and to pivot through 90°. The device is built very flat for the considerable weight of the panes. Six extensions made it possible to adapt the tool specifically to the challenges of the building. The device’s properties played a decisive role in awarding the contract.   The experienced staff from Glas Zange in Weiden were able to glaze the roof of Dresden’s main station quickly, easily and effectively. The actual glazing of a glass pane only took around 10 minutes. Together with the vacuum lifting device, the battery-powered KOMBI 7211-DS3 from Pannkoke Flachglastechnik GmbH, they also had a construction site tower crane with remote control for this work. Thanks to the technically sound solution offered by the pivot mechanism, it was possible to manoeuvre the large panes easily from a vertical position into the required slope of the roof. The possibility of being able to hold the pane every 3° with the locking mechanism eased glazing specialists’ work considerably. The investment in the new equipment technology from Pannkoke Flachglastechnik GmbH is for the Weiden specialists a further important step towards securing their future.  
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Pannkoke
Official website.
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Case History
Glazing works at the tower of the the Erdinger Moos Airport of Munich.
| Case History
How do you put window elements with a weight of maximum 600 kg in under a roof projection of 1.3 m?
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