Journal
ROCK MECHANICS AND ROCK ENGINEERING
Volume 56, Issue 7, Pages 5447-5453Publisher
SPRINGER WIEN
DOI: 10.1007/s00603-023-03338-8
Keywords
Rock cutting; Conical picks; Wear; Tool rotation
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The experimental investigation on the effect of a spring on the rotation of conical picks was conducted for the first time. The combination of a spring and conical picks showed higher rotation, especially for a cutting depth of 5 mm. No precise conclusion was drawn regarding the effect of the skew angle on rotation. The spring experienced 4% permanent deformation as a result of 124 cutting tests.
HighlightsEffect of the spring on the conical pick rotation was investigated experimentally for the first time.The combination of spring and conical picks resulted in higher amounts of rotation especially for 5 mm cutting depth.A precise conclusion was not drawn about the effect of the skew angle on rotation.4% of permanent deformation was observed on the spring as a result of 124 cutting tests.
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