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Biomimetic Design of Soil-Engaging Components: A Review. [PDF]

open access: yesBiomimetics (Basel)
Xu Z, Qi H, Gao P, Wang S, Liu X, Ma Y.
europepmc   +1 more source
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Study on Cutting Force of Diamond Cutter in Special-Shaped Stone Processing

Advanced Materials Research, 2011
The cutting force is the key factors influencing the processing precision and efficiency in special-shaped stone production. In this research, the cutting force is measured and analyzed in the process of special shaped cutter cutting stone. It is found that the relationship of cutting force with peripheral speed of cutter is nearly inverse proportional.
Bo Huang, Zeng Wen Liu
openaire   +2 more sources

Numerical Investigation on the Rock Breaking Performance of Special-Shaped PDC Cutters Combination

58th U.S. Rock Mechanics/Geomechanics Symposium
ABSTRACT: The special-shaped polycrystalline diamond compact (PDC) cutter has good rock breaking performance. This paper adopts the finite element method to conduct research on the rock-breaking capabilities of special-shaped PDC cutters.
Ming Jin   +5 more
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Experimental Study on Rock-Breaking Characteristics of Conglomerate with Special-Shaped PDC Cutters Under High Confining Pressure

58th U.S. Rock Mechanics/Geomechanics Symposium
ABSTRACT: The characteristics of conglomerate non-uniformity and complex pore structure lead to severe wear and low rock-breaking efficiency of PDC bits when drilling into conglomerate formations. In this paper, the characteristics of breaking conglomerate of three kinds of PDC cutters such as planar cutter, triple ...
Xiaoyuan Chen   +8 more
openaire   +2 more sources

The Structure Design of Special-Shaped PDC Reinforced-Cutter and its Finite Element Method Analysis

Applied Mechanics and Materials, 2012
A new structure is proposed to solve the failure mode of PDC cutter created by its mechanical fatigue, crack and diamond table delamination, so as to improve their service life. By applying the finite element method analysis, the force allocation of PDC cutter and multi-face (as known non-planar) designed PDC reinforced-cutter revealed that: the ...
De Rong Zhang   +3 more
openaire   +2 more sources

Rock-breaking performances of the special-shaped PDC cutter: insights from discrete element model

Journal of the Brazilian Society of Mechanical Sciences and Engineering
Xiaohua Zhu, Yanfei Wang, Weiji Liu
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