| 摘要 |
A machine is process monitored and controlled for continuous bending of long products to a predetermined radius by using three parallel contact-free distance meters (laser transmitters) and by measuring the distances to the bent surface on the product, by cal~culating the actual bending radius based on the fixed distances between the meters and the measured distances, and controlling the adjustment of the machine in response to the relation betwee n the calculated actual radius and the desired radius. The machine comprises a processor for performing said calculation and controlling the bending device .
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