Features:1, Hard rolling pneumatic knife (spring type), with strong cutting force, and fast slitting speed2, Central coiling, convenient unloading3, Raw materials can be automatically feed, avoid material damage for repeated movement4, Strong structure, each roller is special treated, effectively prevent the damage for high-speed5, The winding tension adopts open loop control, the machine can be dynamically adjusted in the process of operation6, Two automatic gauge meter control length, ensuring measuring accuracy7, Eectromagnetic motor, convenient and safe adjustment of the engine speed