Abstract The fatigue life and cutting performance of conical pick is essential for the roadheader machine in the excavation engineering. In rock breaking process. the rock structural conditions has a certain influence on the rock breaking and rock damage with roadheader breaking rock. Established the simulation model of conical pick cutting jointed rock to investigate the influence of... https://www.markbroyard.com/best-grab-sukin-hydrating-body-lotion-250ml-fashion-save-extra/