The electrochemical deburring machining, which applies the electrochemical anode dissolution principle to remove the burrs on injector orifice of needle valve body, possesses the advantages of having no wear and tear to tools or mechanical effect on workpieces, and being irrespective of the hardness of workpiece material, etc.
电解去毛刺工艺利用电化学阳极溶解原理去除针阀体喷孔毛刺,具有工具无损耗、与工件材料硬度无关、对工件无机械作用力等优点,尤其是去除交叉孔相关线的毛刺有着明显的优势,对加工喷孔内入口处的棱边可取得较高的边缘均一性。
And the impact between the needle and its seat works in short time and brings very large impact stress,which decides the working reliability of components.
针对柴油机喷油器内的针阀运动速度快,作用时间短,负荷强度高的特点,按针阀实际工作负荷确定加载函数,采用有限元方法,对喷油器多质量运动系统进行非线性动力学分析,研究针阀碰撞的影响因素,模拟针阀系统的运动,计算冲击应力。
Research on Technique of Electrochemical Deburring Machining for Injector Orifice of Needle Valve Body
针阀体喷孔电解去毛刺工艺和技术的研究
opening diagram of fuel valve needle
喷油器针阀的开启图
The stem has a slightly smaller diameter than the valve bore.
阀杆的直径略小于阀体孔的直径。
Finite Element Analysis on 3D Flow in the Nozzle and Shock Stress of the Needle in Diesel Engine Injector;
柴油机喷油嘴三维流场及针阀碰撞有限元分析
The Study and Design of NC Machining Spiral Groove of the Needle Valve Fuel Injector;
喷油嘴针阀螺旋槽加工数控系统研究与设计
Research on Servo Valve Nozzle Eyelet Flow Character Measurement System;
伺服阀喷嘴小孔流量特性测量系统的研制
Study on multi-jet sleeve regulating valve adaptable to control of water hammer
适应水击控制的多喷孔套筒式调流阀研究
Technological Experimental Research for Cross Wedge Rolling Technology of Pin Valve of Oil Pump
油泵油嘴针阀体楔横轧工艺试验研究
Heat Treatment Process Research of 18CrNi8 Nozzle;
18CrNi8长型针阀体热处理工艺研究
Design of Digital Fuel Quantity Measurement Used on Test Bench of Fuel Injection Pump Based on Needle Valve Lift;
基于针阀升程的喷油泵试验台数字化量油系统的设计
A high-velocity fluid stream forced under pressure out of a small-diameter opening or nozzle.
喷射流体在压力迫使下从小喷嘴或小孔中喷出的高速流体
The Dynamic Characteristic Study of Hydrautic Flapper-Nozzle Servo-Vavle with Magnatic Fluid;
采用磁流体的喷嘴挡板伺服阀动态特性研究
aperture atomizer
喷孔式喷油嘴喷雾器
The density P is that of the fluid escaping from the orifice.
上式中p是从小孔喷出的流体密度。
AN EXPERIMENTAL STUDY OF LIQUID FUEL CONBUSITON IN POROUS MEDIUM
多孔介质中液体喷雾燃烧的实验研究
Remove the retainer from the body bore. The check valve modules can now be removed from the valve by hand or with a screwdriver.
从阀体镗孔上拆卸保持器。现在可以用手或螺丝刀从阀体上拆卸止回阀模块。
Study on hydrodynamic performance of porous medium plate
多孔介质固阀塔盘流体力学性能的研究
