Components Analysis of Cone Crusher

Chassis construction
 
Mainframe
The lower mainframe is a heavy duty alloy cast steel construction, which has been heat treated to ensure the required level of toughness. The central boss, which houses the mainshaft, is supported by three massive ribs and the countershaft housing.
Upper Frame
The cast steel upper frame is supported by six hydraulic double action cylinders. The unit is machined to provide accurate location for the concave support bowl assembly, which is bolted to the upper frame.
Wedge Assembly
The wedge assembly is a high grade cast iron taper ring machined to correspond with the inner tapered surface of the mainframe. Composite bearing pads are bonded to its outer surface which grip on the inner bore of the upper frame.
The wedge pressure against the upper frame is adjusted by means of 12 studs.
Cone Crusher Components
Mechanical Sealing
The internals of the Rockstar are fully protected by an advanced sealing arrangement, comprising upper and lower piston rings and twin banks of upper and lower replaceable labyrinth seals.
All Roller Bearing Construction
The Rockstar is equipped with a proven combination of Taper and radial roller bearings. These provide long trouble free service, and minimise friction losses. Utilising these generously proportioned heavy duty bearings also eliminates the need for a large oil tank and ensures consistently accurate alignment of gears, sealing rings and the crushing members themselves.
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