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Roll crushers are compression type crushers, and were once widely used in mining. They have, within the last 10 or so years, fallen into dis-favor among mining and processing companies. The probable reason is because the large mines require very large crushed product output with minimal cost, makes the roll crusher noncompetitive. The roll crushers are not nearly as productive as cone crushers, with respect to volume, and they do have a little higher maintenance associated with them. Roll crushers do, however, give a very close product size distribution, and if the ore is not too abrasive, they do not have high maintenance costs.

Coal Roll Crusher/Stone Roll Crushers Machine has large crushing capacity; the load limiting type of constant filling fluid coupling is connecting the motor and reducer to prevent power overloading. The sensor is equipped with overload protection, which is safe and reliable. Tooth roller spacing hydraulic adjustment, and the bearings of the tooth roller is centralized lubrication. Toothed design optimization, pull shear select crushing efficiency and low consumption, the grain is uniform.

The spacing between rollers can be adjusted to meet the different needs of the desired size. Two rollers’ teeth stagger into each other to achieve the desired crushing. When roller teeth are worn to a certain level, the gap between two rollers can be adjusted to ensure the required size. It’s easy to replace the roller covering. By applying the special structural frame, the bearing support of the movable roller can move on the sliding way horizontally, and connects with the hydraulic cylinder with the accumulator. When the uncrushed foreign materials enter into the machine, they can be discharged by the retreating of the bearing support, so the machine can be protected from damage. The flexible resin screen can prevent the moisture content viscous materials from adhering to the internal cavity. The mud-scraping device can prevent materials from adhering to the roller, so the teeth surface can be more clean and the proper shearing and pressing be maintained. Four main shafts can be lubricated separately or tegether. The bearing support has the grease-discharging hole to discharge the waste grease at any time. It’s easy for maintenance.

Henan Fote Heavy Machinery Co., Ltd.is one high-tech enterprise, which involves R&D, production, sales and service as well. In the past 20 years, we devote to producing mining equipment, sand making machines and industrial grinding mills, offering expressway, rail way and water conservancy projects the solution of making high grade sand and matched equipment. All Fote products are designed produced, assembled and texted according to the ISO9001:2000. Welcome to visit and purchase.

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