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1. 发明公开

EP2263841A1 Method and apparatus for measuring the rotation of a log and for correcting the rotation error 审中-公开
标题翻译：方法和装置用于测量日志的旋转和用于校正旋转误差
公开(公告)号：EP2263841A1
公开(公告)日：2010-12-22
申请号：EP10397509.0
申请日：2010-06-18
申请人： UPM-Kymmene Corporation , Lisker OY , Veisto OY
发明人： Kangasmaa, Tuomas , Tuominen, Juha , Ruohonen, Heikki , Kerkkänen, Kaarlo , Rautio, Markku , Karjalainen, Raimo
IPC分类号： B27B31/04 , B27B31/06
CPC分类号： B27B31/04 , B27B31/06
摘要： The object of the invention is a method and an apparatus for measuring the rotation of a log and for correcting the rotation error. The desired sawing position and the necessary rotation angle (A), i.e. how much the log (2) must be rotated from its starting position for it to be in this desired sawing position, is determined for a log (2) by means of a measuring apparatus (3) and a computing unit (3a). After this it is endeavored to rotate the log (2) by the extent of the determined necessary rotation angle (A) to the desired sawing position by means of the rotating apparatus (8). The implemented rotation angle (B) of the log (2) rotated with the rotating apparatus (8) is measured by means of the monitoring device (6) and the marking (10) made on the side of the log (2) before rotation, and if the implemented rotation angle (B) differs essentially from the necessary rotation angle (A) determined earlier, a correction value is determined and the log (2) is rotated again according to this correction value.
摘要翻译：本发明的目的是用于测量日志的旋转和用于校正旋转误差的方法和设备来。所需的锯切位置和必要的旋转角度（A），即多少日志（2）必须从它的起始位置被旋转为它是在该期望锯切位置，是确定的开采一个日志（2）由一个测量装置（3）和一个计算单元（3a）中的装置。在此之后它被努力由旋转装置（8）的方式由确定性开采必要的旋转角度（A）到所需的位置锯切的程度日志（2）旋转。日志的实施旋转角度（B）（2）与旋转装置旋转（8）由上旋转之前的日志（2）的侧面由所述监测装置（6）的手段和标记（10）测得的，并且如果实施旋转角度（B）从所述本质上必要的旋转角度不同（A）确定的开采早些时候，校正值是确定性的开采和日志（2）再次旋转gemäß这个校正值。

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