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在螺纹生产中,螺纹梳刀能减少走刀次数,提高劳动生产率,故应用十分广泛。现介绍一种车齿条的机夹式硬质合金平体梳齿车刀(见图1)。它不仅操作简单,误差小,牙形准确,而且由于采用机夹式硬质合金刀片,故重磨次数多,刀片使用寿命长。 1.梳齿车刀结构 这种梳齿车刀实际上是由几把机夹硬质合金螺纹车刀,按照工件的几倍齿距排列而成的一个整体结构。刀座直接装在车床的大溜板上,刀座上的几把螺纹车刀的刀尖距离要求精确,每把车刀可用两个锥销定位。对刀板起到分配切削负荷(即控制每个刀齿的径向进给量)的作用。对刀板的数量根据走刀次数的多少确
In the thread production, thread combs can reduce the number of passes, improve labor productivity, it is widely used. Now introduce a car rack-type carbide Carbide flat body comb tooth-cutting tools (see Figure 1). It is not only simple operation, small error, accurate tooth shape, but also because of the use of clip-type carbide inserts, so the number of resurfacing, long blade life. 1. Comb tooth-cutting tool structure This kind of comb-tooth turning tool is actually a few pieces of machine folder carbide thread turning tools, according to the workpiece several times the pitch arranged in an overall structure. Knife seat mounted directly on the large slide on the lathe, Knife Block several threaded knife tip distance required precision, each tool can be two taper pin positioning. It acts on the blade to distribute the cutting load (ie to control the radial feed for each tooth). The number of blades according to the number of times to go really accurate