Screwing

PORR Bahnbau Zwei Wege Unimog

Optimal mounting

Bidirectional Unimog U500 with eight-spindle screw machine (ASM) 30.75.
Bidirectional Unimog U400 with eight-spindle screw machine (ASM) 30.75.

Both of these precision screw machines at PORR allow perfect results when loosening and tightening the rail mounting. The 8-spindle precision screw unit with a bidirectional unimog as a carrier vehicle enables fully automatic, synchronous loosening and tightening of rail fastenings.

Both the quality (through computer-supported recording of the torques achieved) and the performance is above-average compared with conventional screws.

Technical data
Typ Unimog U400Typ Unimog U500
Manufacturer (Carrier vehicle)Mercedes U400, two-way systemMercedes U500, two-way system
8-spindle precision screwdriver unit Robel Bahnbaumaschinen GmbHRobel Bahnbaumaschinen GmbH
Additional equipment, Loading craneHIAB-Kran XS 144E-3Palfinger PK 9501
Motor capacity175 kW / Mercedes Benz170 kW / Daimler Benz
Total mass, max.18 t21 t
Driving speed (road), max.90 km/h80 km/h
Driving speed (track), max.20 km/h50 km/h
Length over buffers8.100 mm6.800 mm
Number of axles32
Performance parameters
Typ Unimog U400 Typ Unimog U500
Performance, Screwingup to 600 m/hup to 600 m/h
Min. working radius≥ 60 m≥ 40 m
Min. driving radius≥ 60 m≥ 40 m
Towing capacity, max.400 t-
Train control systemNeinNein
Safety gear change JaNein

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