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盘形滚刀垂向-轴向动力学模型及振动特性分析

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Indexed by:期刊论文

Date of Publication:2014-01-01

Journal:机械设计与研究

Included Journals:PKU、ISTIC、CSCD

Volume:30

Issue:5

Page Number:114

ISSN No.:1006-2343

Key Words:盘形滚刀; 垂向振动; 轴向振动

Abstract:为研究滚刀振动特性,建立了滚刀垂向和轴向振动模型,求出了滚刀上三个节点在垂直和轴向的动力学参数值,得到了滚刀各节点振动的位移~时间曲线。研究发现
   ,节点2即轴承的连接等效刚度增大一倍,各节点振动幅值降低约25%;当节点1即刀圈的等效质量与外载荷分别增大一倍,各节点振动幅值均增大一倍,因此要
   降低滚刀振幅需要增大圆锥滚子轴承刚度、减小刀圈质量(保证刀圈强度)、降低外载荷。

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