The core of the device is variable speed winding control. The device consists of unwinding, tension control, deviation correction control, winding molding, glue preparation, color label detection and other modules. There are two main types of lithium battery winding, one is circular lithium battery and the other is square lithium battery. Square lithium batteries are particularly complex in tension control, deviation correction control and speed synchronization because of their shape.
● Adopt Fixed High EtherCAT Bus Motion Controller and GTHD Driver: Simple wiring, easy maintenance, high system stability, fast response, convenient system information exchange, fast connection to the cloud;
● Adopt EHMI protocol human-machine interface to facilitate programming and debugging.
● Adopt OtoStudio programming software based on IEC 61131-3 has the characteristics of openness, expansibility, flexibility and modularization.
● Adopt self-learning method, apply variable speed winding to ensure constant tension, achieve better synchronization and improve system performance.
The field test shows that the winding width of the 190mm core has little tension fluctuation, and the processing speed, processing accuracy and correction accuracy can reach the advanced level of the industry.