| 摘要 |
PURPOSE:To make a rewound material windable in uniform winding tension at all times, by operating a winding diameter of one of the paired drums on the basis of the length of winding in the rewound material, while automatically adjusting a driving motor's load share to each drum according to the winding diameter. CONSTITUTION:When a rewound material 22 is wound up in a way of supporting a take-up roll 10 on each of drums 12 and 14 to be turned round by driving motors 18 and 20 respectively, the length of winding is operated at an operation circuit 42 on the basis of an output value of a pulse generator 34 connected direct to a driving motor 30 (18). Likewise, the diameter of winding is operated at an operation circuit 44 on the basis of this winding length. Next, this winding diameter is inputted into a load share control circuit 46 as an electric signal, then an ignition arc angle adjusting signal of a controlling thyristor 50 is outputted by an electric signal commensurate to the winding diameter inputted with both the setting signal of a winding tension adjusting setter 52 based on a load current of the driving motor 30 and the load current signal of a driving motor 32 (20) together, and thereby field control of the driving motor 30 is carried out via an exciting coil 48. |
