Pit & Quarry, November 2012
SPECIAL REPORT Behind the scenes U S producers got an up close look at Kleemanns equipment portfolio and its German manufacturing facility during a special event W irtgen Group hosted its Mineral Technology Days event Sept 14 in Windhagen Germany where Kleemanns latest crushers were among the machines demonstrated for U S invitees including Pit Quarry and more than 1000 others who gathered from around the world Three specific Kleemann systems were demonstrated including one involving a Mobicat MC 125 Z jaw crusher a Mobicone MCO 11 cone crusher a Mobicone MCO 11 SX cone crusher and a Mobiscreen MS 20 D screening plant The system crushed and screened greywacke a variety of sandstone and Kleemann showed how the equipment can be interlocked so production is fluid from start to finish Kleemann also crushed concrete in another demo and recycled natural raw materials like mixed rubble concrete and asphalt in a third exhibiting the strength of a magnet that removes debris In addition to the Kleemann equipment demos invitees saw Wirtgens enormous 4200 SM surface miner in action The 4200 SM joins Wirtgens 2500 SM both of which eliminate the need for drilling and blasting The primary crusher is integrated into the 4200 and Wirtgens joint presidents Jürgen and Stefan Wirtgen say 100 percent of an area can now be mined because the blasting process is eliminated Not every mine is suitable for the 4200 SM of course Topography will dictate whether or not using one makes sense The 4200 SM mines in strips and was developed in cooperation with By Kevin yaniK 32 PIT QUARRY November 2012 www pitandquarry com
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