Investigation on Heat Transfer Performance of Rotating Heat Pipe Grinding Wheel in Dry Profile Grinding

被引：0
|
作者：
Chen J. [1 ]
Fu Y. [2 ]
Qian N. [2 ]
Jiang H. [1 ]
机构：
[1] College of Mechanical and Electronical Engineering, Nanjing Forestry University, Nanjing
[2] College of Mechanical and Electronical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing
来源：
Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | 2021年 / 57卷 / 03期
关键词：
Axial rotating heat pipe; Difficult to cut material; Enhanced heat transfer; Green machining; Profile grinding;
D O I：
10.3901/JME.2021.03.267
中图分类号：
学科分类号：
摘要：
The key issue that restricts the development of profile grinding in difficult-to machine materials is usually the thermal damage. Most studies have focused on the cooling efficiency of the coolant; however only few have investigated the heat transfer potency of the grinding wheel matrix. A new cooling method that incorporates a rotating heat pipe (RHP) in the grinding wheel has been proposed. A rotating heat pipe grinding wheel (RHP-GW) is fabricated according to the characteristic of the typical profile surface. The heat transfer performance of the RHP-GW is analyzed for different factors as rotational speed, heat flux and filling ratio by monitoring the internal temperature distribution. Comparative dry grinding of Ti-6Al-4V between a normal grinding wheel (N-GW) and the RHP-GW, a great cooling advantage of the latter one is demonstrated. The workpiece surface quality and the grinding temperature in both the RHP and along the grinding zone are monitored. The energy consumption and CO2 emission is compared by both coolant cooling and RHP cooling, results show great potency on green machining of heat pipe technology. © 2021 Journal of Mechanical Engineering.
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页码：267 / 276
页数：9
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