通过研究石油钻井平台用A148GRADE105-85铸件的热处理工艺，确定了电机座、电机盖的调质热处理工艺。采用910℃水淬1．5 min后转油冷＋610℃回火的工艺方法，可以生产出力学性能符合要求的电机座、电机盖。%By researching the heat treatment process of A 148GRADE105-85 casting for oil drilling platform , quenching and tempering heat treatment of the motor base and motor cover is established .By means of this heat treat-ment process water quenching at 910℃for 1.5 minutes and then oil cooling +tempering at 610℃, the motor base and motor cover that meet the mechanical properties can be manufactured .
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