A, jaw crusher, jaw rock breaking machine, jaw crusher, jaw crusher Selection Profile 
 Coarse crusher and crusher jaw crusher is mainly used for mining, building materials, infrastructure and other departments. The width of the feed inlet is greater than 600MM for large machines, the width of the feed opening in the 300-600MM medium-sized jaw crusher feed opening width in accordance with the width of the feed inlet size into large, medium and small three less than 300MM for minicomputers. Jaw Crusher is simple structure, easy to manufacture, reliable, and easy maintenance. 

 Jaw broken stone machine part two jaw plates, one fixed jaw plate (fixed jaw), vertical (or the top slightly extraversion) and fixed wall in front of body, the other is the movable jaw plate (moving jaw), tilt position, the formation of the next big small crushing chamber (cavity) with the fixed jaw plate. Facing the fixed jaw plate, movable jaw plate periodic reciprocating motion, sometimes separately, sometimes near. Apart, into the crushing chamber materials, finished goods are unloaded from the bottom; close, squeezed between the two jaw plate material to bending and splitting the role of fragmentation. 

 Jaw crusher in accordance with the swing of the movable jaw plate can be divided into simple swing jaw crusher (simple pendulum jaw crusher). Complex swing-type jaw crusher (compound pendulum jaw crusher) and integrated swing jaw crusher three kinds. 

 Second, the jaw crusher, jaw rock breaking machine, jaw crusher, jaw crusher common faults and solutions 
 Jaw crusher to withstand the torque or vibration during operation, and often cause transmission failure are common: the pulley and shaft parts to produce a gap caused by the shaft head and wheel wear, the eccentric shaft by the force caused by bearing wear . Problems mentioned above, the traditional repair methods to repair the main wheels reaming, welding or plating after processing, only to both but there are some drawbacks: the welding of high temperature thermal stress can not be completely eliminated, and easy to cause material injury to lead to parts to bend or break; Brush Plating of coating thickness limit, and off easily, and the above two methods are metal, metal repair and can not change the "hard, hard" with the relationship, the combined effects of the various forces still will cause wear and tear again. These repair methods is not common in Western countries of contemporary Europe and the United States and other developed countries make more use of polymer composite repair method solve the above problem, the most mature Fu World Blue technology, its superior adhesion, excellent compression strength and other properties, free demolition, free machining on-site repair. Neither polymer material maintenance welding thermal stress repair thickness unrestricted, products with the metal material does not have concession to absorb shock and vibration of the equipment to avoid possible to wear again, and greatly extend the parts of the equipment the service life, saving a lot of downtime for the enterprise, creating significant economic value.