75Cr1材质夹层圆锯片夹层阻尼结构优化研究*

doi:10.16731/j.cnki.1671-3133.2026.03.001

现代制造工程 ›› 2026, Vol. 546 ›› Issue (3): 1-10.doi: 10.16731/j.cnki.1671-3133.2026.03.001

• 试验研究 • 下一篇

75Cr1材质夹层圆锯片夹层阻尼结构优化研究^*

李振兴, 白硕玮, 项盛奎, 龚良斌, 王玉奇, 王清

青岛大学机电工程学院,青岛 266071

收稿日期:2025-07-30 出版日期:2026-03-18 发布日期:2026-04-03
通讯作者: 白硕玮,博士,教授,硕士研究生导师,主要研究方向为绿色设计与制造、高效绿色锯切加工、金刚石/硬质合金切割工具等。E-mail:baishuowei1@163.com
作者简介:李振兴,硕士研究生,主要研究方向为圆锯片结构优化设计。
基金资助:
* 国家自然科学基金项目(71701109);山东省自然科学基金项目(ZR2023ME053)

Research on optimization of sandwich damping structure of 75Cr1 sandwich circular saw blades

LI Zhenxing, BAI Shuowei, XIANG Shengkui, GONG Liangbin, WANG Yuqi, WANG Qing

College of Mechanical and Electrical Engineering,Qingdao University,Qingdao 266071,China

Received:2025-07-30 Online:2026-03-18 Published:2026-04-03

摘要/Abstract

摘要： 75Cr1材质夹层圆锯片在高速切削中因大径厚比易产生强烈振动。为提升其动刚度并降低加工振动,在响应曲面法框架下构建了夹层阻尼结构参数(夹层厚度、层数、直径)与圆锯片动刚度之间的预测模型,并据此实现结构参数优化。通过模态试验验证了圆锯片动态特性有限元分析模型的准确性,采用谐响应分析方法揭示了夹层阻尼结构对锯片振动特性的抑制效果。结果表明,夹层阻尼结构使振动主峰幅值降低45 %。研究发现,夹层阻尼结构参数对动刚度的影响顺序依次为夹层直径>夹层厚度>夹层层数,优化后夹层阻尼结构参数(直径为392 mm、厚度为1.2 mm、层数为3层)的动刚度达17 211 N/mm,且模型预测值与仿真验证值的误差均小于5 %。根据优化结果制备了75Cr1材质的夹层圆锯片,锯切实验表明优化锯片能够有效地降低噪声约7.8 dB,较现有夹层锯片提升降噪效果41.8 %。

关键词: 夹层圆锯片, 谐响应分析, 动刚度, 响应曲面法, 夹层结构参数

Abstract: High vibrational responses commonly occur in 75Cr1 sandwich circular saw blades during high-speed cutting due to their large diameter-thickness ratio. To enhance the dynamic stiffness and suppress cutting-induced vibration,a response surface-based predictive model was established to quantify the effects of sandwich damping-layer parameters(layer thickness,layer number,and layer diameter) on the dynamic stiffness,and the optimal parameter combination was subsequently obtained. The accuracy of the finite-element model for dynamic characteristics was validated through modal test,and the vibration-suppression capability of the damping structure was evaluated by using harmonic response analysis. The results indicate that the sandwich damping structure reduces the peak vibration amplitude by 45 %. Sensitivity analysis results show that the influence of design parameters on dynamic stiffness is in the order of damping-layer diameter > damping-layer thickness > damping-layer number. The optimized damping-layer parameters(diameter 392 mm,thickness 1.2 mm,3 layers) yield a dynamic stiffness of 17 211 N/mm,with prediction and simulation values differing by less than 5 %. A 75Cr1 sandwich circular saw blade was fabricated by using the optimized parameters, which demonstrated a 7.8 dB noise reduction of approximately in cutting tests,representing a 41.8 % improvement over the existing sandwich-blade design.

Key words: sandwich circular saw blade, harmonic response analysis, dynamic stiffness, response surface method, sandwich structure parameters

中图分类号:

TG717
TH16

李振兴, 白硕玮, 项盛奎, 龚良斌, 王玉奇, 王清. 75Cr1材质夹层圆锯片夹层阻尼结构优化研究^*[J]. 现代制造工程, 2026, 546(3): 1-10.

LI Zhenxing, BAI Shuowei, XIANG Shengkui, GONG Liangbin, WANG Yuqi, WANG Qing. Research on optimization of sandwich damping structure of 75Cr1 sandwich circular saw blades[J]. Modern Manufacturing Engineering, 2026, 546(3): 1-10.

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75Cr1材质夹层圆锯片夹层阻尼结构优化研究^*

Research on optimization of sandwich damping structure of 75Cr1 sandwich circular saw blades

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