PDF Central or Girth Gear Drive for Ball Mills Artec Machine
Ball mill 9000 HP Motor speed 990 rpm Mill speed 14 rpm R/L ill diameter 5 m Mill bearing 22 m Project A Two ... Reduction gear and girth gear transmission with mill as gear axis. Fig. 2A Tooth contact of girth gear dependent on deformation and position of mill. Fig. 8 B: Totalspeedreductioninaclosedin, dustproofhousing. Fig.