The molded PTFE ring is bonded into a seat ring groove in the face for maximum service life. 这种模铸聚四氟乙烯环粘合在阀座表面的阀座环槽内,最大限度延长使用寿命。
The Application of the New Pressure Relief Technology in the Parallel Groove Adjacent Bug-road of the Comprehensive Mechanical Coal Mining Face 综放工作面顺槽邻空巷卸压新技术的应用
If requested, the first and last plank can have visible veneered edges, without tongue or groove, finished to match the face of the plank. 如果提出要求,第一个和最后一个木板可以看得见单板边缘,但无舌或槽,成品,以配合面临的木板。
Milling insert with complex groove has better cutting performance than insert with plane face. 复杂槽型铣刀片具有优于平前刀面铣刀片的切削性能。
Influence of the Face Coning on the Steady-state Behavior of Spiral Groove Gas Face Seals 锥度对螺旋槽气体端面密封稳态特性的影响
On the gas face, there are tridymite, silicate, C 3 P, glass phase and also a few precipitated carbon. Finite Element Method for the Steady-State Performance Analysis of Different Groove Gas Face Seals 燃烧面由鳞石英、硅酸盐、磷酸三钙、玻璃相和无定形碳组成,但沉积碳较少。不同槽型气体端面密封稳态特性的有限元分析
Measurement of the Film Thickness of the Oblique Line Groove Gas Face Seal 直线槽气体端面密封流体膜厚度的测量
It is needed to plaster the sand mould that has a certain stickiness and humidity on one groove face before welding, when it has been dried up slightly, the welding of the backing can be started on another groove face. 焊前只需用具有一定粘度的湿泥沙抹平背面的坡口,稍经干燥成形后即可在正面焊接第1道打底焊道。
Dynamic Response Analysis to Seal Chamber Pressure Perturbation of a New Double Spiral Groove Face Seal 新型双螺旋槽端面密封性能对密封腔压力扰动的动态响应分析
A study on the static performance mechanism of a new double spiral groove face seal was done. 研究了一种新型双列螺旋槽机械密封结构的工作机理。
Disposal for Mid-diameter Deviation Exceeded Standard on Trapezoidal Groove Face Flange 梯形槽面法兰中径偏差超标的处理方法
The cause of coke-oven gas fan blade abrasion and forming groove in non-working face running is briefly analyzed. 简要分析了焦炉煤气风机叶片非工作面在运转过程中磨损形成沟槽的原因,提出了处理措施。
Seal chamber pressure of a new double spiral groove face seal working under high velocity and pressure conditions may probably be disturbed in operation, which affects the seal stability. 一种用于高速高压等极端工况下的新型双螺旋槽端面密封在实际运行过程中密封腔压力会出现波动,从而影响密封稳定性。
Temperature field analyse with finite element of spiral groove gas-lubricated mechanical face seals 螺旋槽气体润滑机械密封温度场有限元分析
Effects of parameters of spiral groove gas face seals on seal performance 螺旋槽端面干气密封的参数研究
This paper deals with the principle and mathematics model for cutting the welding end curve and changeable angle groove face on the blower impeller vane by an NC flame cutting machine. A corresponding NC automatic programming system is also introduced. 论述了用数控火焰切割机加工鼓风机叶轮叶片焊接端面曲线及其变角度坡口面的加工原理及数学模型,并介绍了相应的数控程序的自动编程系统。
A theory model considering the face radial coning of spiral groove gas face seals was given. 提出一种考虑螺旋槽气体密封端面径向锥度的理论模型。
The results of calculation indicates that the static axial stiffness of fluid film in double spiral groove face seal is improved due to the pressure loss through feeding holes. 计算结果表明,供液小孔所产生的压力损失提高了双列螺旋槽机械密封的静态轴向刚度。
Finite Element Analyse of the Distortion of Sealing Ring of Spiral Groove Gas Face Seals 螺旋槽气体端面密封密封环变形有限元分析
Study of stiffness and leakage rate of spiral groove dry gas face seals 螺旋槽干式气体端面密封的刚度和泄漏量研究
Research On NC Cutting of Weld Groove Face on Blower Vane 鼓风机叶片焊接坡口面数控切割的研究
The temperature field distribution in steady-state of spiral groove gas-lubricated mechanical face seals was calculated using the finite element method. 应用有限元法计算了螺旋槽气体润滑机械密封的稳态温度场分布。
Flow field and pressure distribution in a radial groove gas face seal 径向直线槽气体密封端面流场和压力分布
Cutting Principle and NC Programming System of Weld Groove Face on Blower Impeller Vane 鼓风机叶片焊接坡口面的切割原理及数控编程
Static Performance Analysis of a New Double Spiral Groove Face Seal 新型双列螺旋槽端面密封的静态性能分析
The Research on Gas-Film Spiral Groove Face Seal in Rich Gas Compressor of Coking Unit 焦化富气压缩机螺旋槽干气密封参数研究及应用
Effects of Main Structural Parameters on Seal Performance of a New Double Spiral Groove Face Seal 新型双螺旋槽端面密封主要结构参数对密封性能的影响
Numerical Control Flame Cutting of Weld Groove Face on Joint Elbow Bevel Faces 焊接弯头环缝焊接坡口面的数控火焰切割
Compared with the ordinary mechanical seal on temperature and face deformation at the same operating conditions, the curved shallow groove mechanical seal can reduce the temperature and deformation of seal face effectively, and it is superior to the ordinary mechanical seal. 通过分析对比相同工况下端面弧形浅槽机械密封与普通机械密封的温度场及变形情况,发现端面弧形浅槽机械密封能明显降低密封端面温度,减小密封环的变形,性能更优越。
Indexable milling insert with 3D complex groove has better cutting performance than that with plane face and has the tendency to replace it. 三维复杂槽型可转位铣刀片具有优于平前刀面铣刀片的切削性能,具有逐渐替代平前刀面铣刀片的趋势。