The invention relates to a metal plate folding method and an implementation device thereof. The method comprises the following steps: (a) providing a matrix (12), in which two support spans (16, 18) are spaced from each other, and there is obvious deformation (20) between the two support spans (16, 18),And a moving punch (14) mounted on the right side of the deformation mark (20);(b) A metal material plate (30) with two opposite sides (32, 34) is mounted,So that one (32) face can be applied to the two support spans (16, 18);(c) The punch (14) is applied to the other (34) surface so that the plate enters the deformation hole (20) to bend the plate. After step (b), heat energy is locally provided on the one (32) surface between the two support spans (16, 18).Figure published with abstract: Figure 2
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