| 摘要 |
A harvesting machine including an engine and a grain threshing system driven by the engine. The grain threshing system includes at least one rotating member, at least one concave, a torque measuring device and an adjustment mechanism. The at least one rotating member receives a torque from the engine. The at least one concave is proximate to the at least one rotating member. The torque measuring device is coupled to the rotating member or the engine. The torque measuring device produces a signal related to the torque applied to the rotating member. The adjusting mechanism is coupled to the at least one concave. The adjusting mechanism is configured to position the at least one concave relative to the at least one rotating member dependent upon the signal.
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