Fracture analysis of rear axle gear of rice transplanter

doi:10.14088/j.cnki.issn0439-8114.2020.22.034

HUBEI AGRICULTURAL SCIENCES ›› 2020, Vol. 59 ›› Issue (22): 166-169.doi: 10.14088/j.cnki.issn0439-8114.2020.22.034

• Agricultural Engineering • Previous Articles Next Articles

Fracture analysis of rear axle gear of rice transplanter

LU Wei-an¹, FENG Tian-yu¹, HAO Wen-bin¹, CHENG Jie¹, HUANG Shi-ming¹, GONG Rui¹, WANG Ben-yi²

1. School of Mechanical Engineering,Hubei University of Technology,Wuhan 430068,China;
2. Hubei Zhongxuan Technology Co.,Ltd.,Huangmei 435501,Hubei,China

Received:2020-02-09 Online:2020-11-25 Published:2020-12-30

Abstract

Abstract: To solve the fracture problem of the20CrMnTi gear on the rear axle of the rice transplanter head,the broken gear is inspected for material quality,microstructure observation,hardness gradient detection,metal inclusion detection,and gear meshing dynamic analysis.The structural design analysis was carried out,and the internal relationship between the failure mechanism and strength of carburizing gear was established.The improvement measures of gears in design and technology were put forward.The results showed that the gear fracture is a tooth fracture,the gear is overloaded and the machining tool marks are the main reason of gear fracture.According to the analysis results and corresponding improvement measures were given to avoid similar accidents in the actual production process.

Key words: gear break, dynamic analysis, tooth break

CLC Number:

S223.91

LU Wei-an, FENG Tian-yu, HAO Wen-bin, CHENG Jie, HUANG Shi-ming, GONG Rui, WANG Ben-yi. Fracture analysis of rear axle gear of rice transplanter[J]. HUBEI AGRICULTURAL SCIENCES, 2020, 59(22): 166-169.

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Fracture analysis of rear axle gear of rice transplanter

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