Author(s)

Sun Mingyu ¹, Li Guangtian ¹, Qi Shuangyu ¹, Wang Guilong ¹

Affiliation(s)

¹ Weichai Power Co., Ltd., Weifang, Shandong, 261061, China

Corresponding Author

Sun Mingyu

ABSTRACT

This paper introduces the whole process flow of the valve core hole of excavator, and makes a deep study on the problem of the valve core hole size exceeding tolerance during the trial production, and finds the key factors that affect the quality of the valve core hole, by Means of tool adjustment and program improvement, the problem of machining valve core hole of excavator valve body is solved, and the qualified excavator valve body is manufactured successfully.

KEYWORDS

Excavator Valve Body; Valve Core Hole; processing technology

CITE THIS PAPER

Sun Mingyu, Li Guangtian, Qi Shuangyu, Wang Guilong, Research on Honing Technology of Valve Core Hole of Excavator Valve Body. Journal of Materials, Processing and Design (2023) Vol. 7: 13-18. DOI: http://dx.doi.org/10.23977/jmpd.2023.070103.

REFERENCES

[1] Sheng Jie, Dong Le, Du Yan. Research on hole honing technology of engine cylinder [J]. Automotive Technology and Materials, 2019 (3): 5.
[2] Li Hong. Common honing processing process parameters adjustment method [J]. Electromechanical International Market, 2000 (4): 24-25.
[3] Sun Zhengui, Xing Tianyi, Shao Ming, et al. Study on the honing process of the inner hole of the ultra-precision valve sleeve [J]. Aviation Precision Manufacturing Technology, 2019 (02, 2019): 53-56.
[4] Li Shumin, Wen Zhengmin, Ma Zhaojun. Processing technology of hydraulic valve hole [J]. Hydraulic Pneumatic and Seal, 2001 (6): 38-40.
[5] Si Shengchun. Research on the hole honing process and testing technology of cast iron cylinder block [J]. Metal working: cold machining, 2016 (19): 12-14.

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