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装配汽车驾驶室前风窗用的十字槽气动起子头,要求热处理后工作部分具有较高的硬度和耐磨性,并有良好的韧性,以免在工作中发生断裂。十字槽气动起子头如图1,材料为T10,工作部分硬度要求HRC50～
The cross recessed air-driven screwdriver head used in front of the windshield of the cab of a car requires that the working part after the heat treatment has high hardness and wear resistance and has good toughness so as to avoid breakage during work. Cross slot pneumatic screwdriver head shown in Figure 1, the material is T10, the working part of the hardness requirements HRC50 ~