开式压力机机身动态角刚度的研究

本文分析了开式压力机角刚度对制件质量、模具寿命等的影响,认为动态角刚度的影响比静态角刚度的影响更大,目前常用静态角刚度来衡量压力机的性能是不完善的。 本文还提出了评定机身动态角刚度的方法,动态角刚度的测试方法和装置,说明了测试装置中传感器等的设计及标定。并对二台压力机作了测试,取得了良好的结果。 结果表明,压力机系统振动对动态角刚度有影响,但不很大,动态角刚度且比静态角刚度低。

A RSEARCH ON THE DYNAMIC ANGULAR STIFFNESS OF THE OPEN BACK PRESS'''' ES FRAME

The paper analysed the influence of the angular stiffness of the openback presses on the product quality, die lifetime, i. e.and described that theinfluence of the dynamic angular stiffness is higher than that of the staticangular stiffness, which is used to evaluate the Performance of the Press by now, however, which is not Perfect.The paper also raised the evaluation method of their dynamic angular stiffness, testing technique and equipment and showed the design and calibrati of the main sensors of the equipment. two models of the Presses were testedon and the good resuls were obtained with the help of the equipment.The results showed that the influence of the vibration of the press system on the dynamic angular stiffness was not too big and the dynamic stiffness was lower than the static one.