The connect form of cuttingtooth and cutting header is welding, welding technics is complex.
掘进机的截齿与截割头的连接采用焊接形式，焊接工艺比较复杂。
2
According to the result of interference test, the cuttingtooth parameter is adjusted till the satisfied spiral bevel gear pair was acquired.
根据干涉结果对螺旋锥齿轮的切齿参数进行调节，直至得到比较满意的螺旋锥齿轮副。
3
Then, According to the cuttingtooth processing principle, establish hypoid gear model, and conduct virtual assembly, interference checking, provides the precise model for the following analysis.