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    TITANIUM-ALLOY CONNECTING ROD, INTERNAL COMBUSTION ENGINE, AUTOMOTIVE VEHICLE, AND PRODUCTION METHOD FOR TITANIUM-ALLOY CONNECTING ROD
    1.
    发明公开
    TITANIUM-ALLOY CONNECTING ROD, INTERNAL COMBUSTION ENGINE, AUTOMOTIVE VEHICLE, AND PRODUCTION METHOD FOR TITANIUM-ALLOY CONNECTING ROD 有权
    HERSTELLUNGSVERFAHRENFÜRTITANLEGIERUNGS-PLEUELSTANGE

    公开(公告)号：EP3015204A1

    公开(公告)日：2016-05-04

    申请号：EP15190453.9

    申请日：2015-10-19

    Applicant: Yamaha Hatsudoki Kabushiki Kaisha

    Inventor： Miura, Tetsu ,  Kojima, Yuuki

    IPC: B23C3/00 ,  B23B35/00 ,  B23P15/00 ,  F16C7/02

    CPC classification number: B23C3/00 ,  B23B35/00 ,  B23B2215/24 ,  B23C2215/245 ,  B23C2220/56 ,  B23P15/00 ,  B23P2700/04 ,  F16C7/023

    Abstract: There is provided a production method for a titanium-alloy connecting rod that ensures high rigidity of a cutting tool. One embodiment of the present invention provides a production method for a titanium-alloy connecting rod (1) in which a rod portion (33) and a cap portion (34) of a big end (30) are fixed by using a bolt (40). The production method for the titanium-alloy connecting rod (1) includes a step of forming a bolt hole (32) for the bolt (40) to extend therethrough. The step of forming the bolt hole (32) includes: forming a first hole (61) in the cap portion (34) and the rod portion (33) in a direction from the cap portion (34) toward the rod portion (33); and forming a second hole (62) in the rod portion (33) in a direction from the rod portion (33) toward the cap portion (34). Once the first and second holes are formed, the first hole (61) and the second hole (62) communicate with each other. The longitudinal direction (LD2) of a cutting tool (52) used for forming the second hole (62) is inclined with respect to the longitudinal direction (y) of the rod main body (10) of the titanium-alloy connecting rod (1).

    Abstract translation: 提供了一种确保切割工具的高刚性的钛合金连杆的制造方法。 本发明的一个实施例提供了一种钛合金连杆（1）的制造方法，其中杆部（33）和大端（30）的帽部（34）通过使用螺栓（40）固定 ）。 钛合金连杆（1）的制造方法包括形成用于螺栓（40）延伸穿过的螺栓孔（32）的步骤。 形成螺栓孔（32）的步骤包括：在盖部分（34）和杆部分（33）中沿着从盖部分（34）朝向杆部分（33）的方向形成第一孔（61） ; 以及在从所述杆部分（33）朝向所述盖部分（34）的方向上在所述杆部分（33）中形成第二孔（62）。 一旦形成第一和第二孔，第一孔（61）和第二孔（62）彼此连通。 用于形成第二孔（62）的切割工具（52）的纵向方向（LD2）相对于钛合金连杆（1）的杆主体（10）的纵向方向（y）倾斜 ）。

    CONNECTING ROD, INTERNAL COMBUSTION ENGINE, AUTOMOTIVE VEHICLE, AND PRODUCTION METHOD FOR CONNECTING ROD
    6.
    发明公开
    CONNECTING ROD, INTERNAL COMBUSTION ENGINE, AUTOMOTIVE VEHICLE, AND PRODUCTION METHOD FOR CONNECTING ROD 审中-公开
    连杆，内燃机，汽车，连杆生产方法

    公开(公告)号：EP3015724A1

    公开(公告)日：2016-05-04

    申请号：EP15183351.4

    申请日：2015-09-01

    Applicant: Yamaha Hatsudoki Kabushiki Kaisha

    Inventor： Kubota, Tsuyoshi ,  Kojima, Yuuki ,  Matsushita, Kenichi ,  Miura, Tetsu

    IPC: F16C7/02 ,  F16C9/04

    CPC classification number: F16C7/023 ,  F16C9/045

    Abstract: There is provided a fracture-split type titanium-alloy connecting rod exhibiting good reassemblability and a production method thereof. A connecting rod (1) is a split-type connecting rod made of a titanium alloy, including a rod main body (10), a small end (20) provided at one end of the rod main body, and a big end (30) provided at another end of the rod main body, the big end being fracture-split into a rod portion (33) continuing from the other end of the rod main body and a cap portion (34) for coupling to the rod portion with a bolt (40). The rod portion and/or the cap portion include at least one rising portion (SP) protruding from an edge of a fractured surface (F).

    Abstract translation: 提供了一种显示良好可重新组装性的断裂分离型钛合金连接杆及其制造方法。 连杆（1）是由钛合金制成的分体式连杆，其包括杆主体（10），设置在杆主体一端的小端（20）和大端（30） ）设置在杆主体的另一端，大端断裂成与杆主体的另一端连续的杆部（33）和用于与杆部连接的帽部（34） 螺栓（40）。 杆部分和/或帽部分包括从断裂表面（F）的边缘突出的至少一个上升部分（SP）。

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