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Label expansion in coal mining
Ausbauschild im Steinkohlenbergbau
Click to enlargeClick to enlarge Description

In the coal mining industry of appearing in the picture expansion shield is used to cover the ceiling of the tunnel. The hydraulic cylinder will serve as a formed punch and the actuating cylinder as drives for the movement of the expansion plate.

Linked items
Documents: Getriebetechnik 2, WS 04/05, Klausur, Aufgabe 7: Krümmung von Bahnkurven  [Streambook]
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