合理选择淬火冷却介质和确定零件的材料使产品质量取于受控状态和确保产品质量的提高。
The rational selections of quenching medium and material of parts will help product quality be a controlled condition and ensure raising product quality.
表面感应淬火提供有选择地淬硬部件滚道而部件的其余部分则不受淬火过程的影响的可能性。
Surface induction-hardening offers the possibility to selectively harden a component's raceway, while leaving the remainder of the component unaffected by the hardening process.
结果表明材料选择错误、淬火温度不当，以及中频淬火区域过小是导致传动轴断裂的原因。
The results indicate that the mistake choice of material, unreasonable quench temperature and too small region of MF quenching are the cause of transmission shaft fracture.
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