Function Of Grooving Department： 1.Grooving phase adjusting mechanism,Planet type gear structure. 2.The space of the line-pressing wheel is adjusted by hand.The scale panel shows the adjusted data. 3.The space of the grooving knife-stand is adjusted by hand.The scale panel shows the adjusted data. 4.The grooving knife must be adjusted synchronously. 5.The width of the grooving knife is 7.0mm and of alloy steel material.Undre heat treatment blade grinding.Sawtooth shape grooving knife.Double blades side repairing knife .The edge of the knife is very sharp and oflong using life. 6.The part of grooving can install the punches and buttons beating equipments.