... power:about65kw 4.Total weight: about 22,000kg This changeable purlin machine can produce 2 profile in one machine, ... , length, punching cutting, and roll forming. JCZ-350 changeable purlin machine consists of hydraulic decoiler, flattening device, 2 sets ... of hydraulic punching equipment, hydraulic cutting equipment, changeable roll former, PLC controller, hydraulic system etc.The main ...