| 摘要 |
<p>The square baler comprises a pick-up (22), a pre-compression chamber (20), a baling chamber (10), a loading mechanism for transferring each slice of crop from the pre-compression chamber (20) into the baling chamber (10) and a plunger (32). According to the invention the baler comprises at least one non-contact sensor (50, 52, 54, 56, 58, 60) that is provided in at least one of the walls (44, 45, 46, 47) of the pre-compression chamber (20) and/or of the input zone (64) of the baling chamber (10) to produce an output signal indicative of the density of the crop.</p> |
