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本文叙述一种新发明的展成法加工正齿轮和斜齿轮的刀具。它的构思极为巧妙。利用现有的直齿齿条刨刀和拉刀的结构,结合展成法的原理,综合成此新型刀具,也可称为一把有无穷大直径的齿轮滚刀。其工作情况似拉刀,但为展成法不是范成法加工齿轮。此法的特点是生产效率特别高,可同时加工一叠高达190毫米的数个齿轮,其加工时间和加工一个齿轮所需的时间一样。
This article describes a newly invented method of developing a spur and bevel gear. Its concept is very clever. Using the structure of the existing straight-tooth rack cutter and broach, combined with the principle of the forming method, the new cutter can also be referred to as a gear hob with infinite diameter. Its work like a broach, but for the development of the law is not Fancheng method of processing gear. This method is characterized by particularly high productivity, can process a stack of up to 190 millimeters of a few gears, the processing time and machining a gear the same time.