Application of FD500 frequency converter in bubble film machinery

1.Overview

With the rise of online shopping, the bubble membrane packaging has been very widely used. Bubble membrane is a high pressure polyethylene as the main raw material, and then add whitening agent, opening agent and other auxiliary materials, through high temperature extrusion suction into bubble products. It is a kind of light texture, good transparency, non-toxic, tasteless new plastic packaging materials, can play the role of moisture, buffer, heat preservation and other roles. Bubble membrane production machinery in the market demand unprecedented high. This case mainly introduces the application of FGI FD500 series frequency inverter tension control in bubble membrane unwinding.

2.Implementation plans

This equipment uses two FD 500-022G-4 frequency converter to drive two asynchronous motors for AB roller uninterrupted rewinding control. The winding requirements are relatively high, requiring high speed and low torque, can not pull the film, at the same time must ensure that the winding film is uniform and solid.

The frequency converter control adopts the MODBUS communication given fixed torque and speed limit, and the FGI FD500 series frequency inverter can fully meet the customer needs, with stable and reliable operation. In the torque mode, it is necessary to achieve the high speed of the empty shaft, and can hold the roller shaft by hand. Then, the torque resumes automatic operation after the release, which ensures the torque accuracy and does not pull the deformation film.

3.Application advantage

Book-type structure design, save the installation space

The FGI FD500 series frequency inverter adopts a new book structure design, exquisite and compact, greatly save the cabinet installation space, reduce the design cost, and flexible and convenient debugging, make the production and processing operation more convenient, strong stability.

Excellent control performance, stable and reliable

With excellent control performance, high frequency and low torque control stability, can achieve 8% open loop torque 20Hz operation, stable speed without lag. At the same time, the anti-interference ability is excellent, the foam mechanical body static electricity is relatively large, the FD 500 type inverter communication is stable, no misaction, communication without delay, customer satisfaction is high.

Have perfect protection function, and support multiple bus expansion

With the electric motor short circuit detection, input and output phase deficiency protection, over current, over voltage, under voltage, overload and other perfect protection functions, so that the equipment operation is safe and reliable. And has rich application functions, support three-phase asynchronous motor, permanent magnet synchronous motor a variety of drive regulation, and support a variety of bus expansion, easy to meet customer networking requirements and various scenarios of application.