1.Insulate vibration;Frequency-changing main motor drive 2.Engrave reticulate ... , pressure roller, and glue roller,lxc280c is controlled by pneumatic system Bearings of upper/lower corrugating roller, and pressure roller, use ... reticulate and chrome plated. cardboard machine corrugated machine carton machinery.1-1 Cardboard Single Facer (Steam Heating System)