The traditional test method of them is estimation, which is low precision and bad repetitiveness. The quality control of fuel spray nozzle is impacted seriously.
传统的燃油喷嘴质量检验方法采用目测的方法进行，精度不高，重复性差，严重地影响了产品质量。
2
In view of this, this thesis proposes the use of abrasive flowing machining technology for ultra-precision polishing of nozzle.
鉴于此，本文提出了采用磨粒流加工技术对喷油嘴进行超精密抛光。
3
Tungsten carbide nozzle: This product is made by the precision machining with the tungsten carbide materials (superhard alloy).