Is it normal for series welder to have welding tape?

Usually, the most important requirement of welding belt series welding machine is no distortion. In the process of winding and transportation, the welding tape is often entangled, which shows that the edge of the whole roll of welding tape is sunken downwards, and this part of welding tape is arranged at a certain angle with the battery, which leads to virtual welding when the welding head is pressed down.