Ratings to right of heavy line are not recommended, as pitchline velocity exceeds 1000 feet per minute.
当节线速度超过每分钟1000英尺时,不推荐粗实线右侧的评级。
2
In the design of noncircular chain drive, the key problem is the design of pitchline of noncircular chain wheel.
在非圆链传动的设计中,一个关键问题就是非圆链轮节曲线的设计。
3
According to the fundamentals that pure-rolling must take place between the pitchline of hob and the pitch curve of gear workpiece, the 4 axis complicated simultaneous-control relation was obtained.