Provided are a door inner panel manufacturing method and a door inner panel with which it is possible to ensure the mechanical strength of a side frame that extends in a vertical direction in a relatively narrow region serving as a window frame. This door inner panel manufacturing method is a method for manufacturing a door inner panel that includes a side frame which extends in a vertical direction and which is molded integrally using a composite material X including reinforcing fibers dispersed in an in-plane direction, and an injection molding material Y, the manufacturing method including the following steps (1) to (4): (1) a step for arranging the composite material X on a molding fixed die; (2) a step for lowering a molding moveable die to cause the molding moveable die to come into contact with the composite material X; (3) a step for injecting the injection molding material Y into a molding die; and (4) a step for pressing the composite material X and the injection molding material Y inside the molding die to integrally mold the door inner panel.
DOOR INNER PANEL MANUFACTURING METHOD, AND DOOR INNER PANEL
VERFAHREN ZUR HERSTELLUNG EINER TÜRINNENVERKLEIDUNG UND TÜRINNENVERKLEIDUNG
PROCÉDÉ DE FABRICATION DE PANNEAU INTERNE DE PORTE ET PANNEAU INTERNE DE PORTE
2025-07-30
Patent
Electronic Resource
English
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