Fracture Analysis on Flexspline and Flexible Bearing of the Harmonic Reducer
Microstructure and mechanical properties of the failure flexspline and the Japanese flexspline for harmonic reducers and fracture reason are analyzed by quantitative of microstructure, determination of mechanical properties and fracture analysis. The result shows that the microstructure of the flexs...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Journal of Mechanical Transmission
2023-03-01
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| Series: | Jixie chuandong |
| Subjects: | |
| Online Access: | http://www.jxcd.net.cn/thesisDetails#10.16578/j.issn.1004.2539.2023.03.014 |
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| author | Mu Xiaobiao Shao Zhuhao Hao Chunhui Gao Mingyan Zhang Chaolei |
| author_facet | Mu Xiaobiao Shao Zhuhao Hao Chunhui Gao Mingyan Zhang Chaolei |
| author_sort | Mu Xiaobiao |
| collection | DOAJ |
| description | Microstructure and mechanical properties of the failure flexspline and the Japanese flexspline for harmonic reducers and fracture reason are analyzed by quantitative of microstructure, determination of mechanical properties and fracture analysis. The result shows that the microstructure of the flexspline of the failed harmonic reducer is the same as that of Japan, both of which are tempered troostite. The average grain size of the failure flexspline is 8.2 μm, which is 1.5 μm higher than that of the Japanese flexspline. The microstructure of the failure and Japanese flexible bearings is tempered martensite. The average grain size of failure flexible bearings is 13.1 μm, which is 6.9 μm higher than that of the Japanese flexible bearings. The fracture morphology of the flexspline presents brittle fracture characteristics without obvious crack source. The fracture of flexible bearings shows obvious fracture trend. There are obvious crack trends in the fracture of flexible bearing. The crack source is pinpointed at the region where large agglomerative inclusions are observed. The poor purity of flexible bearing and the coarse microstructure with poor ability to hinder crack propagation are the main causes of premature failures of domestic harmonic reducers. |
| format | Article |
| id | doaj-art-c98f6979e38a4518b023d596f696b64b |
| institution | Kabale University |
| issn | 1004-2539 |
| language | zho |
| publishDate | 2023-03-01 |
| publisher | Editorial Office of Journal of Mechanical Transmission |
| record_format | Article |
| series | Jixie chuandong |
| spelling | doaj-art-c98f6979e38a4518b023d596f696b64b2025-01-10T14:57:06ZzhoEditorial Office of Journal of Mechanical TransmissionJixie chuandong1004-25392023-03-014710010435809770Fracture Analysis on Flexspline and Flexible Bearing of the Harmonic ReducerMu XiaobiaoShao ZhuhaoHao ChunhuiGao MingyanZhang ChaoleiMicrostructure and mechanical properties of the failure flexspline and the Japanese flexspline for harmonic reducers and fracture reason are analyzed by quantitative of microstructure, determination of mechanical properties and fracture analysis. The result shows that the microstructure of the flexspline of the failed harmonic reducer is the same as that of Japan, both of which are tempered troostite. The average grain size of the failure flexspline is 8.2 μm, which is 1.5 μm higher than that of the Japanese flexspline. The microstructure of the failure and Japanese flexible bearings is tempered martensite. The average grain size of failure flexible bearings is 13.1 μm, which is 6.9 μm higher than that of the Japanese flexible bearings. The fracture morphology of the flexspline presents brittle fracture characteristics without obvious crack source. The fracture of flexible bearings shows obvious fracture trend. There are obvious crack trends in the fracture of flexible bearing. The crack source is pinpointed at the region where large agglomerative inclusions are observed. The poor purity of flexible bearing and the coarse microstructure with poor ability to hinder crack propagation are the main causes of premature failures of domestic harmonic reducers.http://www.jxcd.net.cn/thesisDetails#10.16578/j.issn.1004.2539.2023.03.014FlexsplineFlexible bearingGrain sizeInclusion |
| spellingShingle | Mu Xiaobiao Shao Zhuhao Hao Chunhui Gao Mingyan Zhang Chaolei Fracture Analysis on Flexspline and Flexible Bearing of the Harmonic Reducer Jixie chuandong Flexspline Flexible bearing Grain size Inclusion |
| title | Fracture Analysis on Flexspline and Flexible Bearing of the Harmonic Reducer |
| title_full | Fracture Analysis on Flexspline and Flexible Bearing of the Harmonic Reducer |
| title_fullStr | Fracture Analysis on Flexspline and Flexible Bearing of the Harmonic Reducer |
| title_full_unstemmed | Fracture Analysis on Flexspline and Flexible Bearing of the Harmonic Reducer |
| title_short | Fracture Analysis on Flexspline and Flexible Bearing of the Harmonic Reducer |
| title_sort | fracture analysis on flexspline and flexible bearing of the harmonic reducer |
| topic | Flexspline Flexible bearing Grain size Inclusion |
| url | http://www.jxcd.net.cn/thesisDetails#10.16578/j.issn.1004.2539.2023.03.014 |
| work_keys_str_mv | AT muxiaobiao fractureanalysisonflexsplineandflexiblebearingoftheharmonicreducer AT shaozhuhao fractureanalysisonflexsplineandflexiblebearingoftheharmonicreducer AT haochunhui fractureanalysisonflexsplineandflexiblebearingoftheharmonicreducer AT gaomingyan fractureanalysisonflexsplineandflexiblebearingoftheharmonicreducer AT zhangchaolei fractureanalysisonflexsplineandflexiblebearingoftheharmonicreducer |