采煤机内齿轮插齿过程中的某些干涉问题

• 作 者: 虞鑑
• 机 构: 无锡采煤机械厂,
• 出 处: 煤矿机电
• 发表日期: 1990年05期
• 关键词: 插齿 采煤机 内齿轮 齿顶 尖角 长幅内摆线 刀具耐用度 刀尖 让刀 顶圆

我厂生产的采煤机中某种内齿套插齿时经常规验算未发现问题,而实际生产中却有轻度干涉现象,在部分齿顶尖角处被略微切去一些。同时插齿刀刀尖后面处磨损过快,刀具耐用度明显降低。为此,经对内齿轮插齿过程的机理进行了分析,发现有两个方面的问题:一是验算顶切干涉时必须考虑插齿刀进刀过程中刀齿顶尖角形成的长幅内摆线干涉;二是刀齿顶尖角在让刀时有“拖刀”现象,应进行必要的验算,并采取适当的避让措施。现将其分述如下,以供探讨。

I produced a shearer in the inner teeth of a set of gear teeth often found no problems found in the trial, but the actual production there is a slight interference phenomenon, in some of the tip of the tip angle was slightly cut to some. At the same time, the tooth cutter knife tip wear too fast, the tool durability was significantly reduced. Therefore, after analyzing the mechanism of tooth gear inserting process, we find that there are two problems: one is that when calculating the top cutting interference, Line interference; the second is the top angle of the knife blade when there is a “drag knife” phenomenon, the necessary checks should be carried out and take appropriate evasive measures. Now it is divided as follows for discussion.