Increasing of rolling mill rolls durability in operation. Part I

Abstract

"By analyzing the situation in the industrial practice, was established that the structure obtained at the rolling mill rolls manufactured in the country according to classical technology does not ensure the necessary hardness and durability in operation. The research carried out in operating conditions ensured the obtaining of structures that would give the rolls hardness as high as possible without diminishing the imposed toughness characteristics (resilience, elongation). From the variants experienced in operation, those with high technological and scientific value were selected, resulting that with the increase of resistance characteristics, the resilience did not decrease, and the exploitation durability doubled compared to the cylinders processed by classical technology. "