tapered

The article starts from the features of the tapered involute spline analyses the characters of hob design, expounds the main steps in the tapered involute spline hob design.

从锥底渐开线花键的特征着手,分析了滚刀设计的特点,给出了锥底渐开线花键滚刀设计的主要步骤。

To solve the existing problems concerning cone bottom bricks, quenching ring and the vertical pipe in Chinese-built coal gasifiers based on coal-water slurry, countermeasures were put forward from the aspects of technical innovation, operation and equipment management.

针对国产化大氮肥水煤浆气化炉中锥底砖、激冷环和下降筒使用过程中出现的问题,分析了损毁原因,分别从技术改进、工艺操作和设备管理等方面提出了相应的解决对策,可以不同程度地延长锥底砖、激冷环、下降筒的寿命。