To provide a press-molded body for a two-wheeled vehicle having a wall thickness gradually changing part, which is made of a fiber-reinforced resin and has excellent mechanical strength, and a method for producing the press-molded body having excellent productivity.SOLUTION: A press-molded body 1 for a two-wheeled vehicle containing discontinuous carbon fiber and resin includes: a thick part 2; a thin part 3; and a wall thickness gradually changing part 4 gradually decreasing a thickness from the thick part to the thin part. A length of a shortest line segment S connecting an arbitrary point A on an interface between the thick part and the wall thickness gradually changing part and an arbitrary point B on an interface between the thin part and the wall thickness gradually changing part, is L. A thickness of the thick part is H. A thickness of the thin part is h. In such a case, a following equation (1) is satisfied. L≥(H-h)×10:Equation (1)SELECTED DRAWING: Figure 1
【課題】繊維強化樹脂を用いてなる、肉厚徐変部を有する二輪車両用のプレス成形体であって、機械的強度に優れるプレス成形体、及び生産性に優れる上記プレス成形体の製造方法を提供すること。【解決手段】不連続炭素繊維と樹脂とを含む二輪車両用のプレス成形体1であって、プレス成形体は、厚肉部2と、薄肉部3と、厚肉部から薄肉部に向かって徐々に厚みが薄くなっている肉厚徐変部4とを有し、厚肉部と肉厚徐変部との境界面上の任意の点Aと、薄肉部と肉厚徐変部との境界面上の任意の点Bとを結ぶ線分のうち、最も短い線分Sの長さをLとし、厚肉部の厚みをHとし、薄肉部の厚みをhとした場合、下記式(1)を満たす、二輪車両用のプレス成形体。L≧(H−h)×10・・式(1)【選択図】図1
PRESS-MOLDED BODY FOR TWO-WHEELED VEHICLE AND THEIR MANUFACTURING METHOD
二輪車両用のプレス成形体およびその製造方法
24.12.2020
Patent
Elektronische Ressource
Japanisch
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