调查显示，挑战者号发射当日低温，导致火箭推进器上橡胶O行环密封圈失效，进而引起爆炸性气体泄露。
Theinvestigation showed that low temperatures on the day of the launch caused arubber “O-ring” seal on one of the rocket boosters to fail, which led to a leakof explosive gases.
想要一千个橡胶密封环？
介绍真空设备法兰采用大直径O形环橡胶自紧式密封（不用螺栓和螺母）的设计计算及其应用效果。
The design calculation of the large O ring rubber self energized seal (without bolt and nut )used for the vacuum equipment and its application results are introduced.
将橡胶密封索环推进孔中。
密封垫和O型环是由人造橡胶制成的。
椎环、弹簧、弹簧座以及卡环，辅助密封圈有“O”形橡胶圈和PTFE楔形环，静环材料都为石墨(M106K)。
Vertebral ring, spring, spring seat and clasp, auxiliary seals have "o" shaped rubber ring and PTFE wedge ring, quiet ring for graphite materials (M106K).
结果表明，设计的金属橡胶密封环能够满足某大型设备的应用要求。
The result shows that the designed seal ring can meet the application need of the large equipment.
软密封型一般采用橡胶环密封，硬密封型通常采用金属环密封。
Generally use the soft rubber type sealing ring seal, hard seal ring-type metal seal used.
开发研制的无限长螺旋卷成型机，解决了大直径金属橡胶密封环弹性元件金属丝接头过多，易造成空间污染的技术难题；特殊的制备方法保证了小截面金属橡胶密封件螺旋卷间的牢固嵌合；
The special equipment for the shaping of spirals with infinite length, and the problem of so many end points in metal rubber sealing rings, which will pollutes the working condition, is resolved.
安装时应将橡胶密封圈四周，梯形螺纹内，压环油槽内，中心管外径上涂黄油。
The grease should be laid on the periphery of seal ring, the inner of ladder-shaped screw thread and chuck ring oil channel during installation.
以及多个密封唇（12-14），由一体设置于金属环的橡胶状弹性材料制成。
The seal lips (12-14) consist of inner seal lips (12, 13) and an outer seal lip (14).
以及多个密封唇（12-14），由一体设置于金属环的橡胶状弹性材料制成。
The seal lips (12-14) consist of inner seal lips (12, 13) and an outer seal lip (14).
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