... servo motor feeding, high precision 2. Hydraulic drive 3. Horizontal type NC roof panel horizontal curving machine adopts servo motor to feed corrugated ... different shape and radius can be curvedIII Main technical data: 3.1 Main driving motor: Yaskawa servo motor, power 0 ... material: corrugated profile (determined when order), thickness range 0.3-0.8mm3.5 Pressing die material: Cr12, quenched, HRC55- ...