Inspection method before installation of corrugating roll?

The corrugating roll is an important part of single facer. It is divided into the upper Corrugating Roll and lower corrugating Roll. As the heart of the Single Facer, it highly affects the forming quality of the corrugated Cardboard. After receiving the corrugating rolls, it is very necessary to do an inspection before installing the new corrugating rolls on the Single Facer. Please find the detailed checking process as follows:

• First clean and check the corrugated surface of the corrugated roll (including the surface plating quality).
• Then clean and check the fastening parts of each connection (including internal and external threads).
• Finally, check the outer diameter and middle height of the corrugated roll (the entire roll surface is divided into more than five measurement points from both ends to the middle.