To provide a method for manufacturing a trailing arm provided with an inner part, an outer part arranged on both side of the inner part, and a rib part injection-molded in the outer part, which can reduce a form block for injection-molding the rib part in the outer part and the number of man-hours.SOLUTION: The method includes the steps of: preparing a metal inner plate 26 and resin plate members 25 composed of at least two components; performing thermal compression bonding by holding the inner plate 26 between the plate members 25 in a state where the inner plate 26 is disposed between the plate members 25 by using a pair of a left mold and a right mold provided with rib forming parts for injection-molding rib parts 13 and 17 provided with a plurality of ribs; and injection-molding the rib parts 13 and 17 in the plate members 25 at the time of or after thermal compression bonding.SELECTED DRAWING: Figure 11

    【課題】インナー部と、インナー部の両側に配置されるアウター部と、アウター部に射出成形されるリブ部と、を備えるトレーリングアームの製造方法において、アウター部にリブ部を射出成形する成形型と、その工数と、を削減する。【解決手段】金属製のインナープレート26、および少なくとも2部品からなる樹脂製のプレート部材25、を準備する工程と、複数のリブを備えるリブ部13,17を射出成形するリブ部成形部を備えた一対の左成形型および右成形型を用いて、プレート部材25の間にインナープレート26を配置した状態で、インナープレート26をプレート部材25で挟み込んで加熱圧着する工程と、加熱圧着の時もしくは加熱圧着の後に、プレート部材25にリブ部13,17を射出成形する工程と、を含む。【選択図】図11


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    Title :

    TRAILING ARM MANUFACTURING METHOD


    Additional title:

    トレーリングアームの製造方法


    Contributors:

    Publication date :

    2022-10-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS



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