The invention relates to the technical field of automobiles, in particular to a manufacturing method of a roof
skylight. Comprising the following steps: OP10, drawing; oP20, trimming,
flanging and
punching are conducted through a trimming and shaping die; oP30, an idle
station; the
manipulator grabs the waste materials to an idle
station, and the waste materials fall into a collecting box after the suction cup is deflated; oP40,
flanging and shaping are carried out; straight
flanging is conducted on the periphery of the top cover, the front air window is flanged to the depth of the
flange edge, the rear air window is shaped in place, and straight flanging is completed on the side wall tailor-welded edge; oP50, side trimming,
punching and side shaping are carried out; flanging and shaping the front air window clamping wedge in place, and trimming and
punching the rear air window wedge; oP60, side flanging, side trimming and punching are carried out; and flanging the wedge of the side body tailor-welded edge, trimming the front
windshield wedge, punching the rear
windshield wedge, and punching shark fin mounting holes in the wedge. According to the manufacturing method, the workpiece manufacturing procedure is shortened, the production efficiency is improved, the workpiece material
utilization rate is greatly improved, and the problems that the manufacturing cost is increased and the effective use area of material sheets is reduced in a traditional process are solved.