To provide a sheet molding method and apparatus, capable of forming high-quality solid shape by achieving compression molding not giving damage to a sheet member.SOLUTION: In the method and the apparatus, and in a periphery pre-stage of a base die roll 101 provided with a concave molding part 110 constituted with a concave molding face 111, a molding sheet member 13A is sandwiched between a convex molding face 121 of a narrow-width convex molding part 120A of a split die roll 102A for compression molding a part of a projection shape 31, then, in a periphery middle stage, the molding sheet member 13A is sandwiched between a convex molding face 121 of a convex molding part 120B of a molding full-width of a split die roll 102B for compression molding a projection shape 31 of molding entire width.SELECTED DRAWING: Figure 4【課題】シート部材に損傷を与えることのない圧搾成形を実現して、高品質な立体形状を形成することのできるシート成形を提供すること。【解決手段】凹型成形面１１１からなる凹型成形部１１０を備えるベース金型ロール１０１の外周前段で、分割金型ロール１０２Ａの幅狭の凸型成形部１２０Ａの凸型成形面１２１との間に成形シート部材１３Ａを挟み込んで一部の突起形状３１を圧搾成形した後に、その成形シート部材１３Ａを外周中段で、分割金型ロール１０２Ｂの成形全幅の凸型成形部１２０Ｂの凸型成形面１２１との間に挟み込んで、成形幅全体の突起形状３１を圧搾成形する。【選択図】図４
