• Ease of transport and high performance were key factors to purchase Rockster R900 impactor

    Ease of transport and high performance were key factors to purchase Rockster R900 impactor


    The number of demolition projects has been increasing steadily over the years, and the disposal of construction waste has become more and more expensive. The next logical step for Martin Meier Erdbau from Velburg, in the Upper Palatinate area of Germany, was the purchase of a mobile crusher so the demolition material could be recycled anywhere and at any time.

    Discovered during the last holiday in Austria and bought 2 months later. Sometimes it is that simple when you know what you need. Martin Meier’s decision to purchase exactly the crusher that he had happened to see on holiday was made quickly. It was a Rockster R900 impact crusher, which impressed the entrepreneur immediately, especially due to its compact transport dimensions of 9.6m in length, 2.5m in width and 3.2m in height and a weight of only 25.5t.

    Demolition business, earthworks and transport have been Meier’s specialties since the company’s founding in 1977. With a strong team of 16 employees and a fleet of approximately 50 construction machines and trucks, the Bavarian company is extremely well positioned. Up until the purchase of Rockster R900, the recycling of construction waste had been outsourced.

    Expansion to contract crushing business
    “By purchasing our own mobile crusher, we are now not only able to immediately recycle construction materials from our construction sites, but we can also increase our revenue from renting our mobile crushing plant,” said Meier.

    The simple transport with one of the company’s trucks is particularly beneficial for the contract crushing business. In order to work in natural stone processing business, processing extremely abrasive stone in a wear-friendly manner, the purchase of a jaw crusher unit is also being considered. With the Rockster DUPLEX system, the impact crusher can be converted into a jaw crusher by exchanging the crushing units within only a few hours. Duplex is a Rockster patented and unique system that can give customers even higher flexibility in expanding their crushing horizons.

    Simple handling and the optimally defined end-material
    Meier’s son Max, along with Martin Loschge, is the main machine operator of Rockster R900 impactor. He could not hide the excitement when his father purchased the crusher. “I particularly like the easy handling of the crusher. I can conveniently control the speed of the vibrating chute in the feed hopper, main discharge belt as well as the rotor and motor speed. All this done from the excavator via radio remote control,” Max said. “The final material is nice and coarse-grained and therefore very stable and compact when installed.”

    The company mainly uses the recycled material as a substructure for large halls, private houses or in road construction. Thanks to Rockster’s hydrostatic drive and the double-apron design, a very precisely defined final product size can be generated, even without an additional screening system. The two impact aprons are set separately, which means that in the event of an overload situation in the crushing chamber, the upper impact apron opens, but the lower one remains in the set gap position and therefore hardly any oversized material is produced. “A well-sophisticated machine with a price / performance ratio that is just right,” commented Meier.

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