Grinding is a vital method in machining techniques and an effective way to process materials such as hardened steels and silicon wafers. However, as the running time increases, the unbalance of grinding wheels produce a severe vibration and noise of grinding machines because of the uneven shedding of abrasive particles and the uneven adsorption of coolant, which has a severe and direct impact on the accuracy and quality of parts. Online balancing is an important and necessary technique to reduce the unbalance causing by these factors and adjust the time-varying balance condition of the grinding wheel. A new active online balancing method using liquid injection and free dripping is proposed in this paper. The proposed online balancing method possesses a continuous balancing ability and the problem of losing balancing ability for the active online balancing method using liquid injection is solved effectively because some chambers are full of liquid. The residual liquid contained in the balancing chambers is utilized as a compensation mass for reducing rotor unbalance, where the rotor phase is proposed herein as a target for determining the machine unbalance. A new balancing device with a controllable injection and free dripping structure is successfully designed. The relationship between the mass of liquid in the balancing chamber and the centrifugal force produced by liquid is identified. The performance of the proposed method is verified by the balancing experiments and the results of these experiments show that the vibration of unbalance response is reduced by 87.3% at 2700 r/min.
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June 2018
Research-Article
New Active Online Balancing Method for Grinding Wheel Using Liquid Injection and Free Dripping
Xining Zhang,
Xining Zhang
State Key Laboratory for Manufacturing
System Engineering,
Xi'an Jiaotong University,
Xi'an 710049, China
e-mail: zhangxining@mail.xjtu.edu.cn
System Engineering,
Xi'an Jiaotong University,
Xi'an 710049, China
e-mail: zhangxining@mail.xjtu.edu.cn
Search for other works by this author on:
Xu Liu,
Xu Liu
State Key Laboratory for Manufacturing
System Engineering,
Xi'an Jiaotong University,
Xi'an 710049, China
e-mail: liuxu@stu.xjtu.edu.cn
System Engineering,
Xi'an Jiaotong University,
Xi'an 710049, China
e-mail: liuxu@stu.xjtu.edu.cn
Search for other works by this author on:
Huan Zhao
Huan Zhao
State Key Laboratory for Manufacturing
System Engineering,
Xi'an Jiaotong University,
Xi'an 710049, China
e-mail: zhaohuan_xjtu@163.com
System Engineering,
Xi'an Jiaotong University,
Xi'an 710049, China
e-mail: zhaohuan_xjtu@163.com
Search for other works by this author on:
Xining Zhang
State Key Laboratory for Manufacturing
System Engineering,
Xi'an Jiaotong University,
Xi'an 710049, China
e-mail: zhangxining@mail.xjtu.edu.cn
System Engineering,
Xi'an Jiaotong University,
Xi'an 710049, China
e-mail: zhangxining@mail.xjtu.edu.cn
Xu Liu
State Key Laboratory for Manufacturing
System Engineering,
Xi'an Jiaotong University,
Xi'an 710049, China
e-mail: liuxu@stu.xjtu.edu.cn
System Engineering,
Xi'an Jiaotong University,
Xi'an 710049, China
e-mail: liuxu@stu.xjtu.edu.cn
Huan Zhao
State Key Laboratory for Manufacturing
System Engineering,
Xi'an Jiaotong University,
Xi'an 710049, China
e-mail: zhaohuan_xjtu@163.com
System Engineering,
Xi'an Jiaotong University,
Xi'an 710049, China
e-mail: zhaohuan_xjtu@163.com
Contributed by the Technical Committee on Vibration and Sound of ASME for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received April 11, 2017; final manuscript received August 30, 2017; published online December 12, 2017. Assoc. Editor: John Yu.
J. Vib. Acoust. Jun 2018, 140(3): 031001 (12 pages)
Published Online: December 12, 2017
Article history
Received:
April 11, 2017
Revised:
August 30, 2017
Citation
Zhang, X., Liu, X., and Zhao, H. (December 12, 2017). "New Active Online Balancing Method for Grinding Wheel Using Liquid Injection and Free Dripping." ASME. J. Vib. Acoust. June 2018; 140(3): 031001. https://doi.org/10.1115/1.4037955
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