The invention discloses a rack back face structure, a cylindrical rack and a machining method, the rack back face structure comprises a plurality of annular grooves, the annular grooves are formed in the back face of the rack, the back face of the rack is arranged to be an arc face, and the circle center of the cross section of the back face of the rack is arranged on the axis of the rack. The annular grooves are linearly arranged in the axis direction of the rack. The annular grooves are formed in the back face of the rack, the contact face of the back face of the rack and the tooth holder is reduced, oil storage grooves are easily formed in the annular grooves, and friction resistance between the back face of the rack and the tooth holder is reduced when the rack and the gear move in a meshed mode.

    本发明公开一种齿条背面结构、圆柱型齿条及加工方法,包括若干环形沟槽,所述环形沟槽设置在齿条的背面上,所述齿条的所述背面设置为圆弧面,所述齿条的背面横截面圆心设置在所述齿条的轴线上,各所述环形沟槽沿所述齿条的轴线方向直线排列设置;本发明通过在齿条背面上设置若干环形沟槽,减小了齿条背面与齿座的接触面,且易于在所述环形沟槽处形成贮油槽,减小齿条与齿轮啮合移动时齿条背面与齿座的摩擦阻力。


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    Title :

    Rack back face structure, cylindrical rack and machining method


    Additional title:

    一种齿条背面结构、圆柱型齿条及加工方法


    Contributors:

    Publication date :

    2024-03-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING , Maschinen, Einrichtungen oder Verfahren zum Schleifen oder Polieren



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