| 摘要 |
A method and an arrangement in connection with a production line for optic cable, wherein optical fibers ( 1 ) are guided to a coating point ( 3 ), where filling gel is applied around the fibres, and a loose tubular casing is formed around the fibres and the filling gel. The fibres ( 1 ) are guided to the coating point through a device ( 4 ) that is formed from three parts ( 4 a , 4 b , 4 c), said device being supported on a first base ( 5 ) and on a second base ( 6 ) moving in the travel direction of the fibres. Sensors ( 7, 8 ) are arranged in the first and second bases ( 5, 6 ) for measuring the force acting on the bases ( 5, 6 ). The arrangement further comprises means ( 9 ) for calculating the difference between said measured values for determining the friction force between the fibres and the tubular device ( 4 ).
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