MTA Series Magnetic Tension unit with Cylinder by using permanent magnet,tension is generated to the damp wheel.The non-contact mechanism design provides stable,consistence and precision tension to the wire. Excellence for both high and normal speed winding.
Source Link：https://www.zhengtaifeng.com/en/Windingmachine/321.html
Youtube video : https://youtu.be/BDNeT-Pljcg