Excessive wear around the guide groove of the lower corrugated roller

The type A corrugated shape in the illustration below shows that the lower corrugating roller under the guide jaw is excessively worn. In this way, it is not easy to form a smooth paste line when gluing, which is one of the reasons for the formation of the guide-cutter paste line.

Cause Lead adjustment is often unreasonable. Lead is too tight. Lead is dirty. Lead is bent or inaccurate. Measures must be adjusted at all times and centered. Clear dirt from leader. Straighten or redirect leader.