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    • 6. 发明授权
    • Method of grinding the teeth of bevel gears having longitudinally curved
teeth
    • 研磨具有纵向弯曲齿的锥齿轮的齿的方法
    • US4799337A
    • 1989-01-24
    • US936155
    • 1986-12-01
    • Erich Kotthaus
    • Erich Kotthaus
    • B23F9/02B23F17/00B23F19/05B23F21/02B23F21/03B23F23/00B23F23/12B24B19/00
    • B23F23/006B23F17/001B23F19/055B23F21/03B23F23/12Y10T409/103975Y10T409/104452Y10T409/10795
    • This method is for finish machining the teeth of rough machined bevel gears having longitudinally curved teeth where finish machining is undertaken subsequent to case hardening. To permit economical fabrication of such bevel gears at least in mass production, the bevel gears are ground as workpieces by a tool designed as a hypoid gear and provided with at least one abrading surface on tooth flanks of its toothing. The workpiece and the tool are brought into mesh and positively and synchronously rotarily driven in the ratio of their respective tooth numbers. Displacement of the tool axis relative to the workpiece axis as well as speeds of the tool and the workpiece are selected such that a relative sliding velocity arising between the tool and the workpiece lies within the range of conventional surface speeds for grinding. All concave tooth flanks of the workpiece or all convex tooth flanks of the workpiece or both are continuously ground in a single operation with a feed motion. The gear employed as the grinding tool exhibits curved helical bevel gear teeth. These gear teeth are provided with an abrading coating on their tooth flanks. The tool is arranged in axial displacement relative to the workpiece. In order that both the workpiece and the grinding tool can be driven synchronously at the requisite rotary speeds, both the tool and the workpiece are each connected to a respective electric motor and the two electric motors are interconnected by a so-called "electric shaft".
    • 该方法用于对具有纵向弯曲齿的粗加工的锥齿轮的齿进行精加工,其中在硬化后进行精加工。 为了允许至少批量生产经济地制造这种锥齿轮,锥齿轮通过设计为准双曲面齿轮的工具被研磨成工件,并在其齿部的齿面上设置有至少一个研磨表面。 工件和工具以其各自的齿数的比率被啮合并且被正向并同步地旋转驱动。 选择工具轴相对于工件轴线以及工具和工件的速度的位移,使得在工具和工件之间产生的相对滑动速度位于用于研磨的常规表面速度的范围内。 工件的所有凹齿面或工件的所有凸齿齿面或两者在进给运动中以单一操作连续地研磨。 用作研磨工具的齿轮呈现弯曲的螺旋锥齿轮齿。 这些齿轮齿在其齿面上设有研磨涂层。 该工具被布置成相对于工件的轴向位移。 为了能够以必要的旋转速度同步地驱动工件和研磨工具,工具和工件都分别连接到相应的电动机,并且两个电动机通过所谓的“电动轴”相互连接, 。