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多杆轻载冲压机的机构优化设计
Authors
徐志强
徐杨
邓援超
Publication date
1 January 2022
Publisher
Editorial Office of Journal of Mechanical Transmission
Doi
Cite
Abstract
为了有效发挥冲压机的机械性能,利用多杆机构取代人工生产,以解决冲压机冲压海绵胚件时带来的一系列问题。构建机构模型,进行了运动学分析;建立一种以曲柄的有效冲压转角最大、主滑块在有效冲压行程中加速度的波动最小为评价标准的多杆轻载冲压机的机构几何参数优化数学模型,并利用Matlab通过步长搜索法构建了该机构的优化模型,利用Adams进行了仿真分析。优化结果表明,在有效冲压行程范围内,有效冲压时间增加了22.03%,有效冲压转角增加了25.43%。有效冲压时间的增加和有效冲压转角的增大可使工件的变形时间延长,有利于工件的充分变形,提高胚件的加工质量;主滑块在有效冲压行程中加速度的波动减小了10.63%,即降低了整体机构的惯性力,在一定程度上增加了冲压的精度
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Last time updated on 06/04/2023