公开(公告)号：US20150260223A1

公开(公告)日：2015-09-17

申请号：US14640091

申请日：2015-03-06

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Yuichi KUMAGAI ,  Akiyoshi IMAMURA ,  Atsushi KOGA

IPC: F16C33/14 ,  F16C33/12 ,  F16C33/04

CPC classification number: F16C33/14 ,  F16C33/046 ,  F16C33/122 ,  F16C33/125

Abstract: Disclosed is a bearing device including: a bearing housing made of an Al alloy and having a bearing holding hole; a sliding bearing having a cylindrical shape and forced into the bearing holding hole; and a shaft supported with an inner circumferential surface of the sliding bearing, wherein in the sliding bearing to be forced into, a plurality of hardened convex portions projecting toward the second circumferential direction end surface being formed on the first circumferential direction end surface, a plurality of hardened concave portions corresponding to the plurality of hardened convex portions being formed on the second circumferential direction end surface, a first hardened area being formed on each of the hardened convex portions of the first circumferential direction end surface and its vicinity, and a second hardened area being formed on each of the hardened concave portions of the second circumferential direction end surface and its vicinity.

Abstract translation: 公开了一种轴承装置，包括：由Al合金制成并具有轴承保持孔的轴承壳体; 具有圆柱形并被迫进入轴承保持孔的滑动轴承; 以及支撑在所述滑动轴承的内周面的轴，其特征在于，在所述滑动轴承中，在所述第一圆周方向端面上形成有朝向所述第二圆周方向端面突出的多个硬化凸部， 对应于多个硬化凸部的硬化凹部形成在第二圆周方向端面上的第一硬化区域，形成在第一圆周方向端面及其附近的每个硬化凸部上，第二硬化区域 区域形成在第二圆周方向端面的每个硬化凹部及其附近。