前后端盖装有永久密封和自润滑的滚珠轴承。
Permanently sealed and lubricated ball bearings front and rear.
把管式炉的前后端盖紧，是炉内的对流减少到最低限度。
The ends of the tubular furnace are closed to minimize convection currents inside the furnace.
前、后端盖利用螺钉及止口固定，同时将转子总成固定。
The front end cover and the rear end cover are fixed by screws and rabbets. Meanwhile, the rotor assembly is fixed.
安装后必须旋出空心螺栓锁紧在电机后端盖或法兰盘上。
Turn the hollow bolt so that it is fixed on the bake cover or the flange plate.
缸筒与前、后端盖，用固定螺钉和橡胶密封圈固定且密封。
The cylinder and the front and rear end caps are fixed and sealed by fixed screws and rubber packing rings.
试验结果表明，导致密封失效的主要原因是后端盖刚度设计过低。
Tests indicate that main cause for sealing failure is that rigidity of the rear cover is too low.
试验结果表明，导致密封失效的主要原因是后端盖刚度设计过低。
Tests indicate that main cause for sealing failure is that rigidity of the rear cover is too low.
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