Abstract
In order to meet the processing requirements of precise cylindrical parts on hard and difficult-to-machine materials, this paper introduces wire electrical discharge grinding (WEDG) using thin plate wire guide for cylindrical parts machining. The spindle system and the wire transport system to realize this processing method was added to a low speed wire electrical discharge machining (LS-WEDM) machine tool. In order to realize the online measurement of the machining accuracy of the cylindrical parts, an online measurement system of two-degree-of-freedom based on laser displacement sensor was built. The reasons for the incomplete removal of the machined surface were analyzed. Through the application of a new tool setting strategy and reasonable selection of processing parameters, the phenomenon of incomplete processing can be avoided. The experimental research on the effects of part rotational speed, wire feed rate, wire running speed and wire tension on roundness, surface roughness Sa, and surface morphology were carried out. Finally, example of the cylindrical parts is given to verify the machining accuracy.
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Funding
This research is supported by the National Nature Science Foundation of China (Grant No. 51605323) and Key Research and Development Program of Shanxi province (Grant No. 201903D121048).
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The proposal and realization of this technology were mainly completed by Yanqing Wang, Ph.D. Huliang Ma participated in the construction of the experimental device and the discussion of experimental results. Ph.D. Jianyu Jia and Xiuzhi Wang participated in the discussion of the experimental results. Yang Panpan contributed to the acquisition of experimental data. Yang Shengqiang provided guidance on research directions.
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Not applicable. The research content of this paper does not involve any people or animals. The content of this paper is original by the authors, and there is no multiple submissions or other behaviors that violate scientific research ethics.
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Yanqing Wang and Huliang Ma have received research support from the funders. Shengqiang Yang did not get paid from the funders.
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The sponsor is the Science and Technology Department of Shanxi Province, China, which is a general scientific research grant and does not involve any company.
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Wang, Y., Ma, H., Jia, J. et al. Machining of cylindrical parts by wire electrical discharge grinding using thin plate guide. Int J Adv Manuf Technol 113, 1081–1096 (2021). https://doi.org/10.1007/s00170-020-06579-x
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DOI: https://doi.org/10.1007/s00170-020-06579-x