Rotation Enhancement of Conical Picks Coupled with Springs

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.

Automated summary

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.