Loesche-Mills for cement raw materialground in roller mills (vertical air-swept grinding mills) since the second half of the 20th century. Loesche was and is the pioneer of this technology. Hundreds.fuller roller mills filetype pdf,[PDF] SikaGrind® for vertical roller mills Repeated impact and .SikaGrind® FOR VERTICAL ROLLER MILLS. 2. SikaGrind®. FOR VERTICAL ROLLER MILLS. The cement industry contributed a significant share to the.