RPM
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Rotor Impact INTO VALUE

BHS-Sonthofen We are a mid-sized, owner-operated group of companies with over 300 employees. We are passionate about technology, innovative, and place a premium on quality. The group of companies is based in Sonthofen, Germany, and has subsidiaries in the US, China, India and Russia. We are a successful global player in the fields of mixing, crushing, recycling and filtration technology. We provide our customers with well-engineered, state-of-the-art solutions. Experience We have been manufacturing crushers and mills for over 100 years. About 50 years ago, we specialized in impact crushing....

ROTOR IMPACT MILL 4 BHS Rotor Impact Mill The BHS rotor impact mill RPM is a high-performance crusher with a vertical shaft. The BHS rotor impact mill enables you to achieve a high reduction ratio and excellent particle shape. The mill is suitable for crushing all low to moderately abrasive minerals and is therefore used predominantly in the production of sand for the concrete, asphalt and dry mortar industries.

Production of quality sand Superior machine technology Unique crushing principle Operational unit The impeller rotor of the BHS rotor impact mill is unique worldwide. The high circumferential speed of the rotor results in an almost permanent gap between the tips of the horseshoeshaped hammers and the anvil ring. The small gap width and the high energy input due to the circumferential speed result in a very high, targeted crushing ratio. The machine and drive train are mounted on a base frame as a unit that is ready for installation. A large cover that can be raised hydraulically and pivoted...

Layout of the rotor impact mill Functional description The input material is fed into the machine from above through the central feed tube. When it hits the rotor, it is accelerated outward by the centrifugal forces, where it is then caught by the horseshoe-shaped hammers, which impel it against the anvil ring. Here the rock is crushed as a result of the impact and shearing forces. Repelled by the anvil ring, the material hits the hammers again, is further crushed by the impact, and is then thrown back against the anvil ring. This process is repeated several times, resulting in intensive...

Design of the rotor 1   Exchangeability of the crushing tools: The anvil ring elements are attached to the mill housing. The horseshoeshaped impact hammers are seated on the rotor and are held on the rotor journal by centrifugal force. Both the anvil ring and the impact hammers can be easily exchanged manually. 2   Adjustability of the gap: A set of exchangeable spacers is provided for adjusting the annular gap. As the wear of the impact hammers increases, the gap width can be readjusted simply by exchanging spacers of different sizes (shown red in the graphic). 3   Optimization of the...

AREAS OF USE AND POSSIBLE APPLICATIONS 8 Grinding of fertilizers from: » as concrete or mortar sand for the construction industry » as high-quality crushed sand for the asphalt industry » for the production of ready-mixed dry mortar » for the manufacture of surfaces for sports facilities » for fireproof building materials » limestone, dolomite, burnt lime » synthetic fertilizers RPM 1113 for the production of concrete sand (0 - 2 mm) from gravel (16 - 32 mm) 100% 90% 80% Input material Final product Sieve fraction Two RPM 1513 for the production of dry mortar sand (0 - 1.6 mm) from...

OPTIONS AND ACCESSORIES 9 www.bhs-sonthofen.com Reinforced cover lining  In order to increase the service life, a cover with a reinforced lining can optionally be selected. To reduce caking in the discharge outlet area, the crusher can be equipped with air cannons if required. Electro-hydraulic cover opening  Control system For even faster opening of the machine cover for maintenance and inspection, an optional electro-hydraulic actuation mechanism is available. Electrical terminal box  All the cabling can optionally be connected to a terminal box for easier installation. Intensive cooling ...

Tests give certainty We operate an all-weather processing plant on our premises in Sonthofen. All our crushing machines are installed as production machines in this facility. We can perform crushing tests with your input material. A variety of machine parameters can be intensively tested. This is followed by detailed evaluation of the data and a grain-size analysis which serve as the basis for the creation of an optimal machine configuration. BHS technical center in Sonthofen for customer-specific testing

TECHNICAL DATA 11 www.bhs-sonthofen.com Performance data Type Rotor diameter x height Dimensions and weights Type The throughput rate depends on the circumferential speed of the rotor and the grading curve of the input material. The input size depends on the type of rock, the circumferential speed of the rotor and the percentage of maximum particle size in the grading curve (screened through square mesh). 3) Weight for standard design without motor and accessories. 1) 2) All specifications apply to the standard design. Technical data for customized designs may differ from the specified...

MIXING TECHNOLOGY CRUSHING TECHNOLOGY RECYCLING TECHNOLOGY Germany BHS-Sonthofen GmbH An der Eisenschmelze 47 87527 Sonthofen Phone + 49 8321 6099-0 Fax + 49 8321 6099-220 info@bhs-sonthofen.de USA BHS-Sonthofen Inc. 14300 South Lakes Drive Charlotte, N.C. 28273 Phone + 1 704 8451190 Fax + 1 704 8451902 info@bhs-sonthofen.com China BHS-Sonthofen (Tianjin) Machinery Co., Ltd. Laiyuan Road 3 Wuqing Development Zone Tianjin 301700 Phone + 86 22 82126263 Fax + 86 22 82107095 info@bhs-sonthofen.cn India BHS-Sonthofen (India) Pvt. Ltd. 6-3-252/1/7/B 3rd floor, Opp. IIPM Erramanzil / Banjara Hills...