PFTL 101A-1.0kN 3BSE004166R1 | ABB | Tension control variable frequency winding

Description

PFTL 101A-1.0kN 3BSE004166R1 | ABB | Tension control variable frequency winding

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The PFTL 101A-1.0kN of using a frequency converter for constant tension control is closed-loop vector control, which involves adding encoder feedback. For winding, the winding diameter changes from small to large. In order to ensure constant tension, it is required that the output torque of the motor should change from small to large. At the same time, corresponding torque compensation should be carried out in different operation processes. At the moment of starting, accelerating, decelerating, and stopping the small roll, when starting the large roll, different pitch compensations should be carried out at different warp speeds to ensure the stability of the entire winding process and avoid excessive tension during the small roll; The phenomenon of loose yarn during the start-up of a large roll.

PFTL 101A-1.0kN machinery such as sizing machines, sizing and dyeing machines, and parallel axis machines all have a winding process. Traditional winding uses mechanical transmission because the coaxial transmission of machinery causes severe wear and tear. It is understood that the average lifespan of machinery used for coaxial transmission is basically about one year. Moreover, it requires frequent maintenance, which is also very troublesome. It not only wastes manpower but also incurs high maintenance costs, causing a lot of inconvenience to customers. Especially for textile equipment, it is generally not allowed to stop midway after starting up. If unexpected situations occur and require stopping, it will cause great waste. In this situation, tension control variable frequency winding is gradually replacing traditional mechanical transmission systems.

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