... .Total power:about65kw This changeable purlin machine can produce 2 profile in one machine, and the machine can auto change the ... 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 ...