Double plate is how to do it, first with wood according to the drawings design module module for aluminum material do double by welding, grinding, polishing, cleaning, painting a hyperbolic aluminum veneer concrete process: according to the appropriate process according to the drawing template to X first by four roll rolling machine by single board process first round the shape with curvature plate, Y to the local point to surface to the required welding bending radian. According to the preliminary workpiece inspection template and two local calibration, installed around the edges are welded on special hyperbolic plate adopts the mold hydraulic type or pull type...
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