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Öá³Ð2016Äê6ÆÚ Bearing 2016,No.6
16 18,34
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ÖÐͼ·ÖÀàºÅ£ºTH133.30441.3
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ÎÄÕ±àºÅ£º10003762(2016)06001603
Study on IntermediateFrequencyElectromagnetic Pulse Treatment to
ImproveDimensionalStabilityofOuterRingsofThin-Walled
Bearings
Li Xuemei", Xie Qingsheng¡¯, Qiu Wangbiao',Lu Bowen
( a. Key Laboralory of Advanced Manufacturing Technology ;b. Ministry of Education; c. Mechanical Engineering
Institute, Guizhou University, Guiyang 550003 , China)
Abstract : The magnetic field is respectively applied to outer rings of thin walled bearings in axial and radial direc-tion, and the magnetic treatment is carried out. The repeated tests of diameter of outer rings demonstrate that both the major axis and minor axis of outer rings have reduction tendency after magnetic treatment, and the dimension of outer rings tend to be stable. The multi directional electromagnetic pulse treatment has a good elfect to reduce inner stress of outer rings of bearings, and the dimension of outer rings is more stable, which can be used in practice engineering Key words: rolling bearing; thin walled bearing; outer ring; magnetic treatment; intemal stress; dimensional stability
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