... The machine is special designed for notching V type groove, use for industry-cardboard, Ash-cardboard, MDF ... (The diameter is 60cm), It can guarantee the groove more accurate, without deviation. The machine has the ... : 50-950mmLength of cardboard: 50-950mmDistance of each groove: 0-830mmThickness of cardboard: 0.5-4.0mmThe ... 1380Kg KL-1000-2 Scroll Grooving Machine/Roll Grooving Machine/Notching Machine