Wire drawing machine and wire release machine - Back tension wire release retrofit -Inovance

Situation

In industrial manufacturing, especially cable processing, textile machinery, printing and packaging, Accurate tension control is the core requirement for product quality and production efficiency in continuous production lines such as metal drawing wire. Traditional cable disconnection devices rely on brake disks or magnetic powder damping systems to achieve tension adjustment. There are significant drawbacks.

Disconnection of existing equipment is generally brake disc or magnetic powder damping. The brake disc running noise is loud. The brake pads need to be replaced periodically. The magnetic powder must also be replaced periodically for magnetic powder damping. The cost of magnetic powder is high.

When tightening is required, only manual rotation is required, and torque control is not available.

Regular replacement of supplies and maintenance also increases human costs.

The energy that the line is dragged becomes mechanical thermal energy and energy is wasted.

Solution details

Use the PID algorithm provided by the MD520 drive to accurately control tension and drive the MV31 permanent magnet synchronous motor + gearbox. The motor is used to generate power in reverse direction under torque control. The energy generated by the AC drive during braking is fed back to the grid through the AFE. In this way, more than 95% of the regenerative energy can be recycled to save energy when the AFE effective braking notification is met

Benefits

Energy saving

When the cable is pulled, the motor generates power and the AC drive feeds back to the grid through the energy feedback unit. No waste of resources, energy saving and environmental protection.

Long-term cost reduction

No supplies are required after the retrofit, which saves material and labor costs.

Optimized noise reduction, improving the working environment

Resolved the problem of loud noise during brake disc running.

Flexible control of forward and reverse jog, improving operating efficiency

Forward and reverse jog for easy operation.

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