The front axle of micro and light truck model is basically a round tube beam axle.With the increasingly stringent product quality requirements of customer and end market user,the round tube beam axle has been unable to meet the needs of customer and market.The round tube beam axle with a rated load of 2 000 kg was upgraded to the I-beam axle,and the numerical simulation was carried out to analyze the force under braking and dynamic load conditions,and compared with the round tube beam axle.The lightweight design of the I-beam axle and the bench test were carried out to provide a reference for the selection of the front axle of micro and light truck model.
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