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本文论述了圆形截面橡胶密封圈(以下简称O形圈)拉伸截面直径计算公式的几何法、泊松比理论法以及原始直径减去圆环拉伸率的1/2％计算法的公式推导和计算结构的比较。还论述了管道接口O形图密封原理。
In this paper, the geometrical method, the Poisson’s ratio method and the ½% of the original diameter minus the ring stretch ratio are calculated by the formula of the formula of the diameter of the circular section rubber seal (hereinafter referred to as O-ring) Derivation and calculation of the structure of the comparison. Also discusses the pipeline interface O-ring seal principle.