根据EQ140东风汽车典型调质零件的服役条件,用35MnVN钢在现生产条件下。制做了连杆、前轴、滑动叉等四种零件,进行了常规机械性能和零件高频疲劳试验。取样位置如图1—3所示,试验结果见表1—3。为进一步在道路试验中考核其使用性能,在现生产流水线上,用35MnVN According to the service conditions of typical tempered parts of EQ140 Dongfeng Motor, 35MnVN steel is used under the current production conditions. Made of the connecting rod, the front axle, sliding fork and other four parts, the conventional mechanical properties and parts of high-frequency fatigue test. Sampling location shown in Figure 1-3, the test results in Table 1-3. In order to further test its performance in the road test, in the current production line, with 35MnVN