Development and testing of rolling cutter bit with a new arrangement of teeth on the balls
https://doi.org/10.31660/0445-0108-2020-2-60-68
Abstract
Research has found that the axial load applied to the bit is distributed unevenly along the crowns of the balls. The middle crowns are the busiest. The value of the axial force perceived by a separate ring is associated with the deformation of the details of the ball joint. You can reduce the uneven loading of crowns by shifting them along the ball along the radius of the bit, placing them so that the vertical line passing through the center of the lower ball of the lock bearing passes through the middle of the gap between the crowns of neighboring balls. The bits with the new option of placing the teeth on the balls were tested on the stand and in industrial conditions. For the bits of this design, the axial load was distributed more evenly over the crowns, which allowed increasing the efficiency of their work.
About the Authors
V. A. Pyalchenkov
Industrial University of Tyumen
Russian Federation
Russian Federation
Vladimir A. Pyalchenkov, Candidate of Engineering, Associate Professor at the Departmen of Applied Mechanics
Tyumen
D. V. Pyalchenkov
Industrial University of Tyumen
Russian Federation
Russian Federation
Dmitry V. Pyalchenkov, Candidate of Engineering, Associate Professor at the Department of Business Informatics and Mathematics
Tyumen
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Review
For citations:
Pyalchenkov V.A., Pyalchenkov D.V. Development and testing of rolling cutter bit with a new arrangement of teeth on the balls. Oil and Gas Studies. 2020;(2):60-68. (In Russ.) https://doi.org/10.31660/0445-0108-2020-2-60-68
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