| 摘要 |
A harvesting machine includes a pick-up unit for picking up the harvested crop, a cutting device that is equipped with at least one cutting edge that cooperates with a counter-cutter for cutting and/or chopping the harvested crop, and a monitoring device, which can be operated to generate a signal containing information about the sharpness of the edge and/or its distance to the counter-cutter, with the sharpness and distance each being compared to a target value. The monitoring device receives signals generated by an optical sensor, which visually monitors the cutting device and/or the cut harvested crop, wherein the signal of said sensor is used so that the monitoring device can deduce information about the sharpness of the edge and/or its distance to a counter-cutter, and send out a control signal for effecting automatic sharpening of the cutting edge and/or adjustment of the counter-cutter.
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