1.coil thickness:1.6-3.2mm;1.6-2.6mm 2.Max. ... This changeable purlin machine can produce 2 profile in one machine, and the machine can auto change the profile ... cutting, and roll forming. JCZ-350 changeable purlin machine consists of hydraulic decoiler, flattening device, 2 ... machinery such as sandwich panel machine, steel forming machine, and guardrail forming machine etc. Our productds are ISO9000 ...