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Drive and Control Systems for Combine Harvesters and Forage Harvesters
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| Hydrostatic Drive Transmission |
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Drive transmission with axial piston fixed displacement motor with shift gearbox
-Pump with hydraulic control, mechanical servo HW or electrical control EP
-Pressure cutoff as standard
-Zero-position switch on control unit as starting interlock
To view the image (JPEG, 125KB), click here
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Drive transmission with axial piston variable displacement motor and 2 stage shift gearbox
-Only two gear shift stages necessary (working mode, transport mode)
-No gear shifts during transport mode
To view the image (JPEG, 126KB), click here
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All-wheel drive with electronic control
-Auxiliary drive for steering axle with axle or wheel drive
-Traction control
-The control unit RC compares the speed of the wheels and adjusts the variable displacement motor to a lower displacement if any discrepancies are found
-When driving on roads, the variable displacement motor is set to a swivel angle α= 0° to prevent a reduction in final speed
To view the image (JPEG, 277KB), click here
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Hydrostatic single-wheel drive with electronic control
-Use of wheel motors ensures optimum utilization of the space between the wheels
-Electronic anti wheel slip control with control unit RC and ASR software to prevent one or more wheels slipping
-Optimum anti wheel slip control through the use of variable displacement motors which can swivel to zero (αmin = 0°)
To view the image (JPEG, 228KB), click here
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