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    • 1. 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。