Metso Mining and Construction Technogy, the world's leading rock and mineral processing group, has installed over 10 000 jaw crushers since the 1920s. Today the Nordberg C Series is indisputably the world's favourite jaw crusher. Where cost-efficient primary reduction of hard, abrasive materials is concerned, C Series crushers represent the highest technical and manufacturing knowl edge. All C Series jaw crushers are based on a revolutionary modular, non-welded frame construction. This design offers owners the highest possible fatigue strength, excellent reliability and numerous mounting possibili ties. This, combined with high-quality cast steel components and premium spherical roller bearings, means exceptionally high crusher availability, cost-efficient crushing and low cost per ton. All C Series crushers are designed to crush very hard rock.
C Series crushers are premium class crushers due to their design as well as to the materi als that are used to produce them. Attention has been paid to even the smallest details, so as to ensure the highest possible func tionality and reliability, without any compro mises. Those who have owned and operated C Series jaw crushers know that not all jaw crushers are the same! Modular, non-welded construction A uniquely modular, non-welded frame con struction is a state-of-the-art design with two hot-rolled steel side plates joined to high-quality cast steel frames through robust, precision machined bosses secured with bolts. The absence of stress inducers such as weld seams ensures excellent dura bility against shock loads.
The pitman is made of high-quality cast steel and is propelled by two massive cast steel or iron flywheels. A very large eccentric shaft forging and four large spherical roller bearings that are all of the same size ensure the greatest reliability even under the most severe crushing conditions. The grease-lubri cated bearings are kept free from contami nation by means of well-proven labyrinth seals.
The single piece cast steel frame bearing housings ensure a perfect fit to the crusher frame. They also prevent unnecessary loads to the frame bearings that are common with 2-piece frame bearing housings.
C Series crushers constantly fulfill the dura bility expectations of their owners around the clock, but they will eventually need some care. Due to the use of cast steel com ponents, the crusher can be economically reconditioned or rebuilt after many years of operation. Such repairs are uneconomical or impossible to carry out with crushers of alternative designs.