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。
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。
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。
When equipment slotted side gap, face plate electrode and groove, perpendicular to the bottom of the shell and necessary.
当设备有槽侧的隔阂时，面临电极板和槽，壳有必要垂直于底部。
Raised-face seat. A groove around the seat collects particles pushed aside by the knife and prevents clogging. When the valve opens, media pressure cleans the groove.
凸面阀座。阀座周围的槽将颗粒收集起来，并排挤到闸刀旁边，以避免出现堵塞。当阀门开启时，流体介质压力就会清洗槽内的颗粒。
As a new non-contacting, no-leaking face seal, in the past few years, the spiral groove seal has been used widely in many fields, such as the aviation-aerospace and the petrochemical industry.
作为一种非接触式并且能达到“零泄露”的新型密封型式，螺旋槽密封在航天航空和石油化工等领域的应用越来越广泛。
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。
A groove portion is formed in an inner surface of the top face portion, and this groove portion makes part of the top face portion in a predetermined region less thick than the other part thereof.
凹槽部分形成在顶面部分的内表面中，并且该凹槽部分使得顶面部分的在预定区域中的部分比其它部分更薄。
Because there exists a chip-curling groove on the rake face, the rake face of a modern cutting tool used on NC machine tool is not a plane, but a curved surface.
由于现代数控刀具都设计有卷屑槽，从而使其前刀面不是平面，而是曲面。
With cars, milling, boring, drilling four automation function, can be turning sphere, cylinder, cone, thread, tapping, end face, inner and outer ring groove, etc.
具有车、铣、镗、钻四大自动化功能，可车削球面、柱面、锥面、螺纹、攻丝、端面、内外环槽等。
According to the invention, at least some of the holes (10) are arranged in at least one groove (11) formed in the mold face of the full-face mold.
据发明，至少有孔(10)的一些安排至少在一个槽在全断面模具模面组成(11)。
The flat face and the side face of the plastic hollow brick are provided with a sealing groove, a sealing strip and through holes; the plastic hollow brick can be formed once by pressing.
其构成是塑料空心砖的平面、侧面设有密封槽、密封条、通孔，一次压制成型。
The flat face and the side face of the plastic hollow brick are provided with a sealing groove, a sealing strip and through holes; the plastic hollow brick can be formed once by pressing.
其构成是塑料空心砖的平面、侧面设有密封槽、密封条、通孔，一次压制成型。
应用推荐