Steam: It is especially necessary for triple or five layers of cardboard made on this corrugating machine, which is made of single facer and liner with glue.
Cold section: Reduce the temperature of the fixed cardboard, keeping it flattened to avoid warping.
Steam heating is used as one of the sources to fix cardboard, It is driven and fixed by special cotton belts.
Belt roller is adjusted by hydraulic system, to avoid corrugated paper squelched.
Equip with upper and lower tension system, keep the best tension to drive the cardboard along with the conveyors.