Torque motor application:
In industries such as machine building, textiles, paper, rubber, plastics, metal wire and wire and cable, it is necessary to wind the product onto a reel (disc). The diameter of the winding is larger and larger from the beginning to the end. In order to keep the tension of the wound material uniform (that is, the linear velocity is constant), the winding speed of the reel is required to be smaller and smaller, and the winding force is increased. Application characteristics winding, unwinding (braking constant power characteristics), stepless speed regulation, etc.
Winding:
Winding is a very important process in wire and cable, textile, metal processing, papermaking and other processing. When the product is wound, the diameter of the reel is gradually increased, and it is important to keep the tension of the rolled product in the whole process, because the tension is too large, the wire diameter of the wire is thinned or even broken, or the thickness of the product is uneven. If the tension is too small, the winding may be slack. In order to maintain the tension during the winding process
The output torque of the motor that drives the reel must also increase as the diameter of the product wound onto the reel increases. At the same time, in order to keep the winding product line speed constant, the reel speed must be reduced. The mechanical characteristics of the motor just meet this requirement.
Unwinding (braking constant power characteristics)
Unwinding is also called loosening, unwinding, unwinding, and so on. In industrial production, it is sometimes necessary to transport the product wound on the drum to the next process. During the conveying process, it is required to apply a tension to the product in the opposite direction of the transmission, and at the same time, it is required to keep the linear speed and reverse tension of the product transmission constant as the diameter of the cylinder changes, which requires the motor to have a constant braking power characteristic.
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