| 摘要 |
<p>The unit comprises a web unit, for unrolling rolls of fabric, incorporated on supports which can be coupled to the selvedger of the carriage of a conventional machine for unrolling fabrics, including an electronic control unit which receives the signal for synchronizing with the carriage of the unrolling machine, which has its independent drive system and the central electronic control unit of which is also connected to a device for detecting the tension of the emerging fabric, and to a device for controlling the acceleration of the carriage in order to generate the signal for activating a speed variator of the web motor, for the purpose of achieving synchronization of the linear speed of said webs and the linear speed of the carriage. <IMAGE></p> |
