Machines

In the hemming construct ion of aluminum-plastic composite panel, the hemmed position shall be grooved in accordance with the hemming requirement the grooving mode like V-groove and U-groove are common ly used (Figure E.0.1) .The special groover for aluminum-plastic composite panel shall be adopted, to ensure the grooving depth not damaging the opposite aluminum product, and reserving plastic layer (0.30mm in thickness) . Reinforcement measure may be adopted on the groov ing posit ion as required.