The specificities of jet and screw groove are analyzed firstly, and then a method of point-by-point rotation for calculating trail point of screw curve is brought forward.
文中首先分析了喷管及其螺旋槽的特性,在此基础上提出了逐点旋转法求螺旋线轨迹点的方案。
参考来源 - 火箭喷管螺旋槽数控加工专用自动编程系统·2,447,543篇论文数据,部分数据来源于NoteExpress
There are five is the taxi "T" type screw groove, usable and nuts in filigree conveniently fixed photoelectric door.
滑行器上部有五条“T”形槽,可用螺钉和螺帽方便地在槽上固定光电门。
Special Angle strengthened bit design intensifying blade protection and quickly leading powder into screw groove, which reduce resistance and improve in-aperture speed.
特殊角度强化刀头设计,强化刃部保护,并将粉末快速导入螺旋沟槽,减少阻力,提高进孔速度。
Principle of dry gas seal with screw groove type was introduced. It was applied in the centrifugal compressor to realize zero gas leakage. It has safety operation of the compressor group guaranteed.
介绍螺旋槽式干气密封的工作原理,通过在离心式压缩机上应用使瓦斯达到零泄漏,保证机组的安全操作与运行。
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