论文部分内容阅读
当锻件受到冲击时,电动液压锻锤的砧座将剧烈振动,为了分析其运动规律,建立了相应的非线性仿真模型。仿真模型中,砧座的运动被分为振动及上抛运动两个阶段。振动阶段,由于锤头冲击锻件,可以利用由锤头、锻件及砧座组成弹簧-质量-阻尼系统模拟砧座的运动。上抛运动阶段,由于锤头与锻件脱离,砧座的运动等效为刚体竖直方向的运动。由仿真分析可知,仿真结果与测试结果吻合得较好。
When the forging is impacted, the anvil of electrohydraulic forging hammer will vibrate violently. In order to analyze its movement law, a corresponding nonlinear simulation model is established. In the simulation model, the movement of anvil is divided into two stages: vibration and throwing motion. Vibration stage, due to hammer impact forgings, you can use the hammer, forgings and anvil spring-mass-damping system to simulate the movement of the anvil. On throw stage, due to the hammer and forgings from the anvil motion equivalent to rigid body vertical movement. The simulation analysis shows that the simulation results are in good agreement with the test results.