They are a little bit proud, the engineers at the Swiss crane specialist GERSAG Krantechnik GmbH, about the three wall travelling cranes that have been built in their production hall in Reiden. They have designed and built no every-day-cranes.

The cranes were built for the locksmithery of the steel manufacturer Josef Meyer Stahl & Metall AG from Emmen. A number of working areas where smaller parts are preassembled can be reached with the cranes. The completed components are then transported from the outer parts of the hall by overhead cranes to the middle of the building for final assembly.

The three wall travelling cranes are used on a crane runway of 100 meters and an anti-collision-device avoids the cranes’ crashing. The total length of the girders is 6,4 meters, the length of the trolley drive is 6 meters. The girders were built with an HEA 500. The distance between the lower part of the girder and the ground is 6,6 meters.

GERSAG used NOVA electric wire rope hoists with low headroom from the Mannheim based hoisting specialist SWF Krantechnik. The ultimate load of the hoists is 2.000 kg with a maximum hoisting height of 6,2 meters. The compact built of the NOVA electric wire rope hoist hoists makes a nearly complete use of the girder for transporting the load up to 6 meters possible. Two traction drives at the endtruck operate the crane drive. The hoists can be operated via remote control.

The order from Josef Meyer Stahl & Metall AG was placed at the end of March. Already at the end of June the steel manufacturing company was able to use the three new cranes. The well trained and experienced team from GERSAG Krantechnik GmbH handled the project from designing over installation on site until delivery of the cranes to the user.

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