旋转动密封装置是旋转控制头轴承总成的关键部件，其性能好坏直接影响旋转控制头的使用寿命。
As the key part of the rotary control head's bearing assembly, the capability of the rotary dynamic seal equipment effects on the using life of the rotary control head.
研制旋转防喷器有几大难点，主要集中在密封胶芯、旋转动密封及轴承，各自的寿命满足实际应用是保证钻井施工安全的关键。
There are many difficulties during the new rotating blowout preventer's manufacture and test, they concentrate on spherical seal, dynamic seal and bearings.
本发明可以旋转动密封，解决了材料在高温连续煅烧时与空气隔绝，实现了材料可以与空气隔绝以及气氛保护的条件下高温连续煅烧。
The invention can rotate seal to insulate air in high temperature continuous calcinations, to calcine material insulated from air and under gas protection at high temperature.
此类产品密封好、造价低、转动灵活，是一种经济实用型的产品。
Our products have good seal airtight , low price and flexible rotation , and are thought of be economic and practical .
转动轴腔充气密封，消除了粉尘粘结现象。带自动清洗功能。
The rotation drive shaft is sealed with inflatable chamber, eliminating the dust coalescence phenomenon. There is a function for automatic cleaning.
通用型塑料粉碎机，采用密封轴承，使轴承转动长时间保持良好；
Universal plastic crusher, the sealed bearing, bearing rotation for a long time to keep good;
转动手轮使丝杆带动丝杆螺母和闸板沿水平方向往复运动，达到闸门的启闭目的，同时密封副在闸板运动中阻拦粉尘不进入传动腔内，无外漏污染。
Rotate the handwheel driving the pole and nut reciprocate in horizontal. At the same time the seal can prevent dust from entering driving body and out-leakage pollution does not exist.
其密封件固有的安装裙被压紧在端盖上，可防止密封件随着轴的转动而转动。
It will be tightly fixed on the end cover which can prevent seals from rotating while shaft rotating.
应用计算流体力学(CFD)方法对转动坐标系下的三维环形密封流场进行了准稳态数值模拟，在此基础上进行了转子动力系数的计算。
Three dimensional annular seal flow field was simulated quasi-steadily with computational fluid dynamics (CFD) method in a rotating reference frame. The Rotordynamic coefficients were calculated.
射流振荡气波制冷机的突出优点是无需输入外加能量并且没有转动部件，只需简单的静密封。
The prominent advantage of this facility is that it doesn't need extra energy supply and there is no moving part, just a simple static seal.
该装置包括待镀工件、工件装夹密封装置、内孔刷镀专用镀笔、镀笔转动装置。
The device comprises a workpiece to be plated, a workpiece clamping sealing device, a plating pen special for inner bore brush plating, and a plating pen rotary actuator.
转动盖子使杯子密封。
使用先进的传动与密封结构，使转动部分与锅内洁净、卫生。
The use of advanced transmission and seal structure, so that moving parts and clean the pot, health.
本发明公开了一种防尘密封的方法——转动体实现防尘密封的方法。
The invention discloses a method for avoiding dust and realizing seal of rotor.
本发明公开了一种防尘密封的方法——转动体实现防尘密封的方法。
The invention discloses a method for avoiding dust and realizing seal of rotor.
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