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我厂生产的0.6米~3液压挖掘机上的大内齿圈的内齿原在瑞士MAAG(SH1000)插齿机上,用随机带来的M=10,Z=13,α=20°A级标准插齿刀精插而成。这种插齿刀齿数少、直径小、重量轻,加工范围广,能获得较高的齿面光洁度。但是,这种插刀制作较困难,除齿形开坯需用特殊滚刀外,采用一般方法磨齿形时,将产生严重根切。目前,国内尚未生产这种规格的标准插齿刀。为此,我们试制了这
The internal toothed ring of the large ring gear on the 0.6m ~ 3 hydraulic excavator produced by our factory is made on the Swiss MAAG (SH1000) gear shaper with the standard of M = 10, Z = 13 and α = 20 ° A Shaper cutter inserted into fine. This gear cutter teeth less, small diameter, light weight, wide processing range, can get a higher tooth surface finish. However, this knife making more difficult, except for the need to use a special hob cutter open hob, using the general method of grinding tooth, it will have serious problems. At present, the country has not yet produced this standard gear shaper. To this end, we have tried this