A report is given of the experience obtained at Heidelberger Zement AG with
different wear protection strategies for high-pressure grinding rolls. The
particular features of the bainitic tyres which have been used for some ye
ars are the low susceptibility to damage and long service lives, which cont
ribute to the high reliability and cost-effectiveness of the high-pressure
grinding rolls. Following the good results achieved with bainitic tyres at
the Weisenau and Leimen works all the other high-pressure grinding rolls us
ed at Heidelberger Cement will be converted to bainitic tyres.