Practice shows that the sealing reliability of MOA have been enhanced by using the double sealing and excluding traditional arc-isolating cylinder and FRP rode.
实践证明，采用双重密封结构，取消传统MOA中的隔弧筒和引拔棒，提高了MOA的密封可靠性。
2
The machining characteristics of mold grinding cylinder gear and the solving process of least square circle arc and continuous circular arc are introduced in this paper.
介绍了成形法磨削圆柱齿轮的加工特点和最小二乘圆弧及其连续圆弧的求解过程。
3
It is firmly believed that the arccylinder gear will be improved continually. It has obvious advantages in gear transmission. It can be widely used.