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Drive and Control Systems for Telescopic Handlers
Driving - or How to Get Your Telescopic Handler in Motion
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The hydrostatic travel drive is the advanced drive system for telescopic handlers. Even in higher performance classes and speeds. This exhaustively tried and tested technology is continually being further developed and proven on Rexroth’s own test handler. In addition, Rexroth offers further technology
for a comfortable ride: the stabilization module for suppressing pitching vibrations that telescoping handlers often see at higher speeds.
Few if any switching steps. The large shift range allows driving to be smooth and controlled. Additional advantage: this in turn allows simpler and therefore cheaper transmission solutions.
High performance even at low diesel engine speeds. This delivers high tractive forces while reducing operating costs and fuel consumption.
Faster to respond, more maneuverable. Simple, fast, smooth reversing and full torque in both travel directions with no reversing transmission.
Optimum distribution of power between travel drive and working hydraulics. Any power that is not required on one side is made available to the other consumer.
Less switching. Simplified operation leaves you free to concentrate on the essentials
Power exactly where it’s needed. The highly efficient drive provides maximum traction when it’s needed – when driving in heavy soil, for example.
Low heat development in operations involving high tractive force and low speeds.
Installation wherever you wish. With a hydrostatic travel drive you can locate the diesel engine wherever there is sufficient space, since hoses are easier to route than drive shafts.
Hydrostatic travel drive to telescopic handlers up to approx. 60 kW
The system price and size of components are the determining factors with compact telescopic handlers. Optimum solutions make the best possible use of the available power from the diesel engine. One possibility is the A4VG reversible variable displacement pump in conjunction with DA control and A6VM variable displacement motors. Together these produce perfect, high torque and high travel speed throughout the large, common control range. The drive pump and necessary valves for the closed circuit are already integrated.
Find further details at www.boschrexroth.com/axial-piston-pumps
DA control – user-friendly travel drive with load limiting control
The tried and tested, engine-speed-dependent DA drive control makes driving as easy as if you were driving an automobile with automatic transmission. The DA control ensures that the pump power is matched perfectly to the available engine power. The continuous, speed-dependent buildup of torque gives the telescopic handler precisely metered but powerful traction in all speed ranges. The hydro-mechanical pump controller, which operates completely independently, significantly simplifies integration in the vehicle.
Find further details under www.boschrexroth.com/da-control
Hydrostatics and manual transmissions for telescopic handlers of all performance classes
When powerful traction forces and high driving speeds count, the shift range of the hydrostatic transmission can be enlarged by the use of mechanical manual transmissions. And especially comfortable gearshifts are achieved by integrating the shift mechanism – together with electronically controlled travel drives – in the overall control concept. Rexroth can also supply electronics application packages comprising robust control units RC, sensors and turnkey software solutions. In this way, an electronic travel drive control DRC can be achieved rapidly and inexpensively, and can readily include power shift, cruise control and speed limitation.
Stabilization module for a comfortable ride
You won’t get shaken up, thanks to Rexroth’s new-generation RSM stabilization module. This reduces pitching independently from the travel drive. The advantages for you:
- Faster transport speeds
- Improved work output
- Greater driving safety
- Shorter braking distances
- Reduced stress on driver and machine
Find out more at www.boschrexroth.com/mobile-valves
Relevant links for Telescopic Handlers
Back to Drive and Control Systems for Telescopic Handlers Home Page
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