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    • 2. 发明授权
    • Method and apparatus for machining racks for steering gear
    • 用于加工舵机机架的方法和装置
    • US4618297A
    • 1986-10-21
    • US632662
    • 1984-07-20
    • Arthur E. BishopKlaus J. Roeske
    • Arthur E. BishopKlaus J. Roeske
    • B23F3/00B23F15/00B23F17/00B23F23/00B23F23/08B23D37/06B23F1/08
    • B23F23/006B23F15/00B23F17/00B23F23/08B23F3/00Y10T409/109063
    • A machine for cutting the teeth of a rack for a variable ratio rack and pinion steering gear employing a helical pinion having a plurality of identical teeth engaged with a rack having some tooth gaps of varying form and angular disposition to the rack axis, the machine having a spindle carrying a tool with a single cutting tooth having cutting edges which lie on the surface of a single tooth of the helical pinion; the spindle is arranged for helical reciprocation in a housing between two predetermined limits about a mid position in which the tool is directed normally to the plane of the teeth of the rack, a rack holding fixture, the fixture or the housing being moveable with a relative translatory curvilinear motion during the cutting of a gap of the rack, the motion for any one gap being a part of the locus of the helical pinion when slid without rotation in the same gap of the rack.
    • 一种用于切割齿条的齿的机器,其用于使用具有多个相同齿的螺旋小齿轮的可变比齿条和小齿轮转向齿轮,所述多个相同的齿与齿条啮合,所述齿条具有不同形状的齿间隙,并且与齿条轴线成角度配置,所述机器具有 承载具有单个切割齿的工具的主轴具有位于螺旋小齿轮的单个齿的表面上的切割刃; 主轴布置成在壳体内螺旋往复运动,在两个预定限度之间绕着中间位置进行螺旋往复运动,在该中间位置,工具通常正对着齿条的齿的平面,齿条保持夹具,固定装置或壳体可与相对的 在切割齿条的间隙期间的平移曲线运动,任何一个间隙的运动是螺旋小齿轮的轨迹的一部分,当在齿条的相同间隙中滑动而不旋转时。
    • 4. 发明授权
    • Gear hobbing machine
    • 齿轮机械
    • US3813988A
    • 1974-06-04
    • US29159572
    • 1972-09-25
    • MACHINE TOOL DIVISIONAL
    • HODGSON B
    • B23F3/00B23F5/22
    • B23F3/00Y10T409/100318Y10T409/10318Y10T409/103339
    • A gear hobbing machine comprising a hob head, a table for supporting a workpiece to be hobbed, a template mounted on one of said parts and arranged to traverse past a stylus during relative axial movement of the hob and workpiece to perform first and second cuts, means controlled by the stylus for effecting relative radial movement between the hob and the workpiece and thereby perform a crowning or taper hobbing operation on the workpiece, a push rod mounted on the part carrying the stylus and arranged to move the stylus into contact with the template during radial advance of said part towards the other part and means for automatically reducing the effective length of the push rod after the hob has made a first cut and prior to commencement of a second cut by the hob.
    • 一种滚齿机,包括:滚刀头,用于支撑要滚动的工件的工作台;安装在所述部件中的一个部件上并布置成在滚刀和工件的相对轴向移动期间穿过触针以执行第一和第二切口的模板, 由触针控制的装置,用于实现滚刀和工件之间的相对径向移动,从而对工件执行隆起或锥形滚齿操作,推杆安装在承载触针的部件上,并被布置成将触针移动到与模板接触 在所述部件朝向另一部分的径向前进期间,以及用于在所述滚刀已经进行第一次切割之后以及在由所述滚刀开始第二次切割之前自动减小所述推杆的有效长度的装置。