HC 15


  • Solution for hard, medium-hard, and soft materials (ores,
    limestone, salt, coal, clay, oil shale etc.)
  • Weld-on hard-faced crushing teeth with various configurations
    for most difficult applications
  • Integrated flywheel equalizing torque peeks, thus reducing
    required motor power
  • Permanent parallel position of crushing rolls due to hydraulic
    “Cross Junction” even in case of partial overload
  • Efficient crushing of material with less content of fines and low
    dust emissions
  • Monitoring by local operator panel


Crushing segments quick-change


Crushing segments


  • Highest lifetime of crushing segments
  • Fully automatic operation
  • Generation of various degrees of product fineness
  • High experience in custom-tailored product particle size distribution
  • Fast and efficient maintenance of crushing segments
  • Fully sensor-controlled to avoid downtimes


  • Coarse size reduction of hard, medium-hard and soft material (lime stone, dolomite, magnesia, salt, coal, clay, oil shale etc.)
  • Throughput up to5.500 mt/hr, depending on material characteristic and particle size
  • Feed material size up to 1,500mm, product particle size down to 300mm possible, 50mm for secondary crushing stage
  • Design of crushing teeth according to the material requirements (number, size, position, form, hardness)

Mode of operation

  • Combination of the characteristic of the Double Roll Crusher with the performance of the Sizer
  • Crushing of feed material by teeth of the two counter-rotating rolls. Successive comminution of larger lumps
  • Product particle size regulated by precise setting of the roll gap
  • Opening of the gap between the crushing rolls in case of overload (e.g. caused by an unbreakable foreign object) within milliseconds to let that piece pass thus avoiding a shut-down
  • Crushing teeth in a spiral on the shaft equalizing torque peeks
  • No clogging of the rolls by sticky material due to specifically designed scrapers
  • Final product with small portion of fines due to limited speed of the rolls


Sustainable value enhancement of existing equipment with regards to

  • Satisfying continuous operation
  • Whole lifecycle