Workpiece hardening and deformation controlling are realized by enhancing axiliary hardening area and changing hardened depth that can ballance the stress distribution in hardened workpiece.

• 采用增加辅助淬硬区和调整淬硬层深度的方法，使工件淬火后内应力分布平衡，达到了淬硬和控制变形的目的。