... servo motors Four shafts double knife rotary cutting machine,high cutting effciency Driven by servo moter ,cutting width can be set up freely ,high ... /hydraulic knife feeding,auto spraying for knife lubrication,neat cutting edgeCutting with circular knife,mainshafe stepless speed? adjustable by ... )Equipped with circular knife cooling system Adhesive Tape Cutting Machine with 4 Shafts and Double Knife