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The Plasser 09-2X DYNACAT is a heavy-duty, high speed, and continuous action switch and production tamping machine with an integral dynamic track stabilizer. All tamping, lifting and lining units are mounted on a separate satellite frame that is attached to the main frame. While the satellite tamps and indexes two ties at a time during the actual work process (lifting, lining, cross leveling, and tamping), the machine's main frame, with stabilizer system, moves smoothly and continuously at a speed determined by the operator. The operator's cabin, power unit, main hydraulic components, electronic systems, etc., are installed on the main frame. In addition to the advantage of having less vibration and stress transmitted to the main part of the machine which reduces maintenance and down time, the 09-2X DYNACAT's unique design and construction allows production rates of up to 4,200 ft. per hour. The new features of the 09-2X DYNACAT are the 2-tie tamping units, which enable either two ties to be tamped in one operation resulting in higher tamping performance, or only one tie in case the tie spacing becomes irregular or the machine has to work on track sections with skewed ties. Each tamping unit can be lifted and lowered individually to provide maximum flexibility during tamping on maintenance or renewals jobs, which makes the 09-2X DYNACAT very versatile for the user. This production capability is especially important for high-density railways where track availability is minimal. Plasser Continuous Action Tampers have been working successfully on major world railway systems since 1983, providing optimum "return on investment" of track maintenance expenditures.
Dynamic track stabilization is a combination of horizontal vibration and a vertical load on the track which accelerates initial settling during maintenance work. A deliberate, accurate settling is achieved with the aid of a reference system. In contrast to rail traffic which settles track in an irregular fashion, dynamic track stabilization consolidates ballast together more densely and more uniformly, thus reducing specific compression stress. Subsequent settlements are; therefore, only marginal and, in this way, a more geometrically exact track structure is produced with considerably higher vertical and horizontal stability. The stabilizing unit is a well-proven design developed in 1975 with regular use on various railroads worldwide since 1978. Results of in-depth analyses by railroads throughout the world that use Plasser Dynamic Track Stabilizers are available for review. The advantages of track stabilization include savings because of longer maintenance intervals and immediate reduction of slow orders after out-of-face track maintenance work. The 09-2X DYNACAT is equipped with AGGS, ATLAS and PLC with diagnostic system.