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Drive & Control Systems for Forestry Machines
Prospects for Forestry Technology
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Electrohydraulic Pilot Control
Today, forestry machines would hardly be conceivable without electrohydraulic pilot control. Due to the multitude of functions that must be controlled and the stringent requirements with regard to comfort and power of forestry machines, the set standards are high. Electrohydraulic systems offer the following advantages: Reduced space requirement, reduced generation of heat and noise and very good adjustability to the operating requirements. With the help of joysticks in conjunction with analogue or digital amplifiers modules that feature versatile
programmability control curves can be generated in valves that are tailored to operators and applications.
Prospects for Forestry Technology
Systems used in the forestry sector are constantly being developed further.
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Rexroth attaches greatest importance to the possibility of handling higher pressures and speeds. In parallel, development engineers at Rexroth are working on the reduction of weight and size of components. There is also a clear trend towards bus systems. The objective is the development of forestry machines that are more efficient, ecological and user-friendly. This challenge requires a close co-operation between suppliers – such as Rexroth – and manufacturers: A precondition for success in the future.
Environmental Protection
The preservation of the environment is a key topic in the forestry sector. The use of bio-degradable hydraulic fluids is a demand. Power consumption also plays an increasingly important role. Load-sensing or electronic control systems are very helpful here.
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The reduction of the stand-by pressure, shorter response times of the controllers and power pre-selection circuits based on control devices are of major importance. The acquisition of data on the complete machine allows the observation of the machine’s productivity and simple troubleshooting.
To view the CAN-Bus Systems image (JPEG, 187KB), click here
Relevant links for Forestry Machines
Back to Forestry Machines Home Page
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