研究了活络模具花纹块的各种加工方法，比较了各自的优缺点。

The paper was based on researching various processing methods of tread pattern blocks in tire segmental mold and comparing with each other.

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采用加权曲面参数方程拟合型腔侧壁曲面的算法，实现了子午线轮胎活络模模具型腔曲面的构造。

Apply the weighted surface parameter equation to fit the algorithm of cavity lateral surface, and realize the cavity surface construction of radial parting mold of meridian tire.

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