且密封圈能将筒体和端盖可靠的密封。

Moreover, the obturating ring can reliably seal the cylinder and the end cover.

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本实用新型涉及一种电磁铁，有轭铁、衔铁、推杆、拉杆、启动线圈、维持线圈、控制电路和端盖。

The utility model relates to an electromagnet, which is composed of a yoke iron, an armature iron, a push rod, a pull rod, a starting coil, a sustain coil, a controlling circuit and an end cover.

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首先进行强度和稳定性计算，主要进行了筒体、端盖的壁厚计算、水压试验应力校核以及叶轮、轴的强度校核。

First of all, for strength and stability, mainly a cylinder, cover the wall, the water pressure check and impeller stress test, the axis of strength checking.

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