在此基础上，利用常规可靠性设计理论对滚子输送链联接牢固度的可靠性进行了优化设计，得出链节过盈联接最佳过盈量的参考数据。

• Furthermore, the reliability for joint fastness in roller chains for conveyors is optimized by using the general reliability design theory, and the optimum magnitude of interference of link joint is obtained.