CONTACT STRESS ANALYSIS ON THE BEARING OF SINGLE-CONE BITS

doi:10.3863/j.issn.1000-2634.2003.06.19

西南石油大学学报(自然科学版) ›› 2003, Vol. 25 ›› Issue (6): 66-68.DOI: 10.3863/j.issn.1000-2634.2003.06.19

• 石油机械工程及其它 • Previous Articles Next Articles

CONTACT STRESS ANALYSIS ON THE BEARING OF SINGLE-CONE BITS

DENG Rong MA Hong-wei

(Southwest Petroleum Institute, Nanchong Sichuan 637001, China)

Received:2003-07-04 Revised:1900-01-01 Online:2003-12-20 Published:2003-12-20

Abstract

Abstract:

The contact stress of the bearing of single-cone bit were studied and analyzed with the software Pro/M and the method FEM. The bearing stress distribution, the relations between axial load and radial load, the relations between the structure parameter of the bit, WOB and contact stress, as well as the contact area were discussed in detail. The distributing curve of the contact stress on the bearing was obtained, some suggestions to design the bearing of the bit was presented.

Key words: roller bit, bearing, contact stress

CLC Number:

TE921.1

DENG Rong MA Hong-wei. CONTACT STRESS ANALYSIS ON THE BEARING OF SINGLE-CONE BITS[J]. 西南石油大学学报(自然科学版), 2003, 25(6): 66-68.

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CONTACT STRESS ANALYSIS ON THE BEARING OF SINGLE-CONE BITS

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