The machine frame was joninting together with armor plate.adopted foundry gear case.drive parts adopted bevel wheel and screw taper gear.roller adopted forging mould steel then further process with special heat treatment.with the davantage of wearable anti-impact the rolling parts adopt spray cooling .covered with organic glass to protect the coolant spatter out.power controleld by inverter.the advantages of the whole machine are .well set.stable drives.easy wire pulling lseldom wire breakage and dfficient productivity.