The utility model discloses a hinge for an insulating cover of a steel ladle, which comprises a fixed slot, a rotating slot, a rotating shaft, a pin key, a pin slot, and a supporting arm.
2
由于惯性筒上的曲折槽与销间的为线接触甚至点接触，因此针对此处较为特殊的摩擦系数进行研究。
Because of the line contact or even point contact between zigzag slot and pin, its friction is different and needs to be studied.
3
每个圆柱销都需要切割，刻槽，剖光，去刺和增强性能。
Each straight pin is cut, chamfered, and polished to remove burrs and enhance performance.
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