The result of the optimization shows a new torispherical head which improved the stability of the edge of the head adopting the strength of the head providing reference value on production practices . 3 .

优化结果得出一种新的 碟 形 封头，在保证强度的 条件下提高了封头边沿的稳定性，对生产实践具有一定的参考价值。