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Drainage repair is a challenge for underground engineering specialists.
A common scene used to be that of stressed excavator operators, annoyed residents and impatient drivers. Today however, modern restructuring concepts leave torn up road surfaces a thing of the past. A resilient milling robot can carry out the dirty work in drainage pipes. Extremely small and also extremely tough, it eats through any obstacle in the drain networks.

Now the digger can stay in its depot, as digging for days on end is no longer necessary. Defective drainage pipes are not replaced but restored. The milling robot used by Bodenbender GmbH located in Hessen for their PL-Inliner drain sanitation system is a type EU Robot 150 made by BRM GmbH in Biebergemünd. It is inserted through a manhole into the defective drain pipe. Now the preliminary work can begin for perfect repair. Debris is cleared, pipe sockets straightened, protruding supports bevelled and in-growing roots removed. The entire operation is monitored by the inbuilt camera and documented on DVD.

What kind of motor can perform these high performance tasks under extreme conditions? DEPRAG Schulz GmbH & Co. in Amberg is a leading supplier of air motors. They have developed a little powerhouse within the milling robot which never gives up, even when confronted the worst imaginable filth.