heat hardening

英 美
  • 淬火
  • hardening n.硬化法(增加硬度;淬火;渗碳;锻炼)动词harden的现在分词形式.
  • heat n.热度;热;热烈;激烈;发烧v.(使)变热;(使)激动
    1. So we find that hardening operation is made up of heating and quenching.
      因此我们发现淬火工序包括加热和淬硬两个步骤。
    2. Its original heat treament processes were graphitizing annealing,quenching and tempering,then high-frequency hardening.
      同时因齿条形状特殊,高频淬火时易将齿部完全淬透,不能满足用户要求。