朱鹏飞,严宏志,陈志,伊伟彬,吴顺兴.齿轮齿面喷丸强化研究现状与展望[J].表面技术,2020,49(4):113-131.
ZHU Peng-fei,YAN Hong-zhi,CHEN Zhi,YI Wei-bin,WU Shun-xing.Research Status and Prospect of Shot Peening of Gear Tooth Flanks[J].Surface Technology,2020,49(4):113-131
齿轮齿面喷丸强化研究现状与展望
Research Status and Prospect of Shot Peening of Gear Tooth Flanks
投稿时间:2019-10-27  修订日期:2020-04-20
DOI:10.16490/j.cnki.issn.1001-3660.2020.04.014
中文关键词:  齿面  喷丸  表面完整性  接触疲劳  传动性能  磨削烧伤
英文关键词:gear tooth flank  shot peening  surface integrity  contact fatigue  transmission performance  grinding burn
基金项目:国家自然科学基金(51575533)
作者单位
朱鹏飞 1.中南大学,长沙 410083;2.开封大学,河南 开封 475004 
严宏志 1.中南大学,长沙 410083 
陈志 1.中南大学,长沙 410083 
伊伟彬 1.中南大学,长沙 410083 
吴顺兴 1.中南大学,长沙 410083 
AuthorInstitution
ZHU Peng-fei 1.Central South University, Changsha 410083, China; 2.Kaifeng University, Kaifeng 475004, China 
YAN Hong-zhi 1.Central South University, Changsha 410083, China 
CHEN Zhi 1.Central South University, Changsha 410083, China 
YI Wei-bin 1.Central South University, Changsha 410083, China 
WU Shun-xing 1.Central South University, Changsha 410083, China 
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中文摘要:
      疲劳与磨损是齿轮啮合过程中齿面的主要失效形式,严重影响齿轮的综合使用性能。喷丸强化工艺能够有效提高齿面抗疲劳和耐磨损性能,是一种重要的齿轮齿面强化方法。通过国内外文献分析可知:喷丸强化主要存在应力强化和组织强化两种强化机制。喷丸工艺参数对齿轮表面完整性影响的主要规律包括:残余压应力大小与工件硬度、强度成正比,而工件材料硬度越高,冷作硬化效果越弱;齿面粗糙度随覆盖率适当地增加而减小,随喷丸强度的提高而增大;喷丸强度、覆盖率、弹丸直径等喷丸工艺参数决定了残余奥氏体的转化量等。同时,国内外在喷丸强化工艺对齿轮接触疲劳性能、传动性能、磨削烧伤作用机理方面开展了大量研究,主要结论如下:残余压应力、硬度、晶粒细化程度的增加是齿轮接触疲劳性能提升和磨削烧伤修复的主要原因,喷丸引起的齿面粗糙度升高制约了齿轮使用性能的提升,可通过齿面抛光等精加工工艺来改善。此外,介绍了微粒喷丸、二次喷丸、振动喷丸等新型喷丸强化方法,从表面性能、环保、工程应用、疲劳性能等方面,客观评价了新型喷丸强化方法的优点与不足。最后,对齿轮齿面喷丸强化工艺进行总结,并对其发展趋势进行了展望。
英文摘要:
      Fatigue and wear are the main failure modes of gear tooth flanks in the process of gear meshing, which seriously affect the comprehensive service performance of gears. As a key gear tooth flank strengthening method, shot peening can effectively improve the fatigue and wear resistance of gear tooth flanks. According to the literature analysis at home and abroad, shot peening strengthening method mainly contains two kinds of strengthening mechanisms called stress strengthening and microstructure strengthening. The main influence rules of shot peening parameters on gear surface integrity were as follows: magnitude of compressive residual stress was directly proportional to the hardness and strength of the workpiece, while the higher the hardness of the workpiece was, the weaker the hardening effect acted; tooth flank roughness decreased with the proper increase of coverage while it increased with the improvement of shot peening intensity; transformation amount of retained austenite was determined by shot peening parameters such as shot peening intensity, coverage, shot diameter, etc. Meanwhile, a great number of studies at home and abroad were carried out on the action mechanism of shot peening on contact fatigue performance, transmission performance, grinding burn, and the main conclusions were as follows: increase of compressive residual stress, hardness and grain refinement was the main reason for the improvement of contact fatigue performance and grinding burn remediation of gears; increase of tooth flank roughness induced by shot peening restrained the improvement of gear service performance, which could be overcome by finishing process such as polishing of tooth flanks. In addition, novel shot peening methods like fine particle peening, dual peening, vibratory peening and so forth were introduced. The advantages and disadvantages of the new methods were objectively evaluated from the aspects of surface performance, environmental protection, engineering application, fatigue performance, etc. Finally, shot peening strengthening process of gear tooth flanks was summarized and its development trend was prospected.
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