Full Text:   <381>

Summary:  <36>

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On-line Access: 2024-04-16

Received: 2022-12-21

Revision Accepted: 2023-06-13

Crosschecked: 2024-04-16

Cited: 0

Clicked: 496

Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Yanqin LI

https://orcid.org/0000-0002-4335-834X

Bo ZHAO

https://orcid.org/0000-0003-0096-9324

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Article info.

Journal of Zhejiang University SCIENCE A 2024 Vol.25 No.4 P.311-323

http://doi.org/10.1631/jzus.A2200609


Prediction of undeformed chip thickness distribution and surface roughness in ultrasonic vibration grinding of inner hole of bearings


Author(s):  Yanqin LI, Daohui XIANG, Guofu GAO, Feng JIAO, Bo ZHAO

Affiliation(s):  School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo 454000, China

Corresponding email(s):   zhaob@hpu.edu.cn

Key Words:  Ultrasonic vibration grinding, Undeformed chip thickness (UCT), Distribution characteristics, Surface roughness


Yanqin LI, Daohui XIANG, Guofu GAO, Feng JIAO, Bo ZHAO. Prediction of undeformed chip thickness distribution and surface roughness in ultrasonic vibration grinding of inner hole of bearings[J]. Journal of Zhejiang University Science A, 2024, 25(4): 311-323.

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author="Yanqin LI, Daohui XIANG, Guofu GAO, Feng JIAO, Bo ZHAO",
journal="Journal of Zhejiang University Science A",
volume="25",
number="4",
pages="311-323",
year="2024",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A2200609"
}

%0 Journal Article
%T Prediction of undeformed chip thickness distribution and surface roughness in ultrasonic vibration grinding of inner hole of bearings
%A Yanqin LI
%A Daohui XIANG
%A Guofu GAO
%A Feng JIAO
%A Bo ZHAO
%J Journal of Zhejiang University SCIENCE A
%V 25
%N 4
%P 311-323
%@ 1673-565X
%D 2024
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A2200609

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T1 - Prediction of undeformed chip thickness distribution and surface roughness in ultrasonic vibration grinding of inner hole of bearings
A1 - Yanqin LI
A1 - Daohui XIANG
A1 - Guofu GAO
A1 - Feng JIAO
A1 - Bo ZHAO
J0 - Journal of Zhejiang University Science A
VL - 25
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%@ 1673-565X
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A2200609


Abstract: 
ultrasonic vibration grinding differs from traditional grinding in terms of its material removal mechanism. The randomness of grain–workpiece interaction in ultrasonic vibration grinding can produce variable chips and impact the surface roughness of workpiece. However, previous studies used iterative method to calculate the unformed chip thickness (UCT), which has low computational efficiency. In this study, a symbolic difference method is proposed to calculate the UCT. The UCT distributions are obtained to describe the stochastic interaction characteristics of ultrasonic grinding process. Meanwhile, the UCT distribution characteristics under different machining parameters are analyzed. Then, a surface roughness prediction model is established based on the UCT distribution. Finally, the correctness of the model is verified by experiments. This study provides a quick and accurate method for predicting surface roughness in longitudinal ultrasonic vibration grinding.

軸承内孔超聲振動磨削未變形切屑厚度分(fēn)布及表面粗糙度預測

作者:李豔琴,向道輝,高國富,焦鋒,趙波
機構:河南(nán)理工(gōng)大(dà)學,機械與動力工(gōng)程學院,中(zhōng)國焦作,454000
目的:超聲振動輔助磨削在材料去(qù)除機理上與傳統磨削有明顯不同。超聲振動輔助磨削中(zhōng)顆粒與工(gōng)件相互作用的随機性會産生(shēng)不同形狀與厚度的切屑,然而,對超聲磨削過程中(zhōng)的磨粒-工(gōng)件相互作用的随機性及與表面粗糙度的關系還有待進一(yī)步研究。
創新點:提供一(yī)種快速有效的方法預測縱向超聲振動磨削加工(gōng)工(gōng)件的表面粗糙度。
方法:1.采用符号差分(fēn)法(表1)計算磨粒與工(gōng)件的幹涉深度和寬度,得到未變形切屑厚度(UCT)分(fēn)布來描述磨粒與工(gōng)件相互作用的随機特性。2.分(fēn)析不同磨削參數下(xià)UCT厚度分(fēn)布的特征。3.基于UCT分(fēn)布,建立表面粗糙度預測模型。4.通過實驗驗證模型的有效性。
結論:1.基于超聲磨削過程中(zhōng)磨粒的運動軌迹,提出符号差分(fēn)法計算磨粒與工(gōng)件的幹涉深度和寬度,提高仿真效率。2.在超聲磨削過程中(zhōng)UCT分(fēn)布服從指數分(fēn)布;通過提取不同加工(gōng)參數下(xià)UCT分(fēn)布的特征參數,發現超聲波的應用可以改變UCT的深度和寬度,增強重複幹涉效應,以及降低表面粗糙度。3.分(fēn)析磨削參數對UCT分(fēn)布特性的影響規律發現,基于UCT均值建立表面粗糙度預測模型得到的實驗值與理論值的變化趨勢一(yī)緻,且最大(dà)偏差爲14.3%。4.高砂輪轉速、低工(gōng)件速度、小(xiǎo)磨削深度及合适的超聲振幅有利于獲得較低的UCT,從而形成較光滑的工(gōng)件表面。

關鍵詞:超聲振動磨削;未變形切屑厚度(UCT);分(fēn)布特征;表面粗糙度

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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