To provide a front axle beam which can improve flexural rigidity in a vehicle length direction while ensuring flexural rigidity in a vehicle height direction.SOLUTION: A front axle beam 1 comprises two king pin attachment parts 2, two spring attachment seat parts 3, a beam part 4, and two arm parts 5. The spring attachment seat part 3 is located between the king pin attachment parts 2. The beam part 4 connects the spring attachment seat parts 3. The arm part 5 connects the king pin attachment part 2 and the spring attachment seat part 3. The arm part 5 and the spring attachment seat part 3 have an I-shaped cross section. The beam part 4 includes a main beam part 41, and two shanks 42. The main beam part 41 has an H-shaped cross section. The shanks 42 are connected to both ends of the main beam part 41 respectively, and have an O-shaped cross section twisted around an axis.SELECTED DRAWING: Figure 1

    【課題】車高方向の曲げ剛性を確保しつつ、車長方向の曲げ剛性を高めることができるフロントアクスルビームを提供する。【解決手段】フロントアクスルビーム1は、2つのキングピン取付け部2と、2つのバネ取付け座部3と、ビーム部4と、2つのアーム部5と、を備える。バネ取付け座部3は、キングピン取付け部2同士の間に配置される。ビーム部4は、バネ取付け座部3同士をつなぐ。アーム部5は、キングピン取付け部2とバネ取付け座部3とをつなぐ。アーム部5及びバネ取付け座部3はI字形の横断面を有する。ビーム部4は、主ビーム部41と、2つの軸部42と、を含む。主ビーム部41は、H字形の横断面を有する。軸部42は、主ビーム部41の両端にそれぞれつながり、軸回りに捩じられたO字形の横断面を有する。【選択図】図1


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    Title :

    FRONT AXLE BEAM AND METHOD FOR MANUFACTURE THEREOF


    Additional title:

    フロントアクスルビーム及びその製造方法


    Contributors:

    Publication date :

    2021-08-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



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