First, find high wear-resistant functional data from raw materials
Conventional jaw crusher tooth plate is used, typically use high manganese steel, the outer hardens under impact loading effect, i.e. can be constructed so that it not only hard and wear-resistant properties, which can hold itself has patience. However, under different working conditions, this feature will be limited, and the life of the tooth plate will be shortened, and then the huge amount of data will be formed. Through continuous research of our technical staff and continuous development of these years, the selection of high chromium cast iron or carbon high manganese steel and other raw materials, these materials can harden under impact loading, and can effectively extend equipment life using several tooth plate.
Second, reasonably determine the structure and geometry of the tooth plate
In China's existing skill, the jaw crusher of the jaw crusher adopts a straight triangular tooth structure with vertical parallel and uniform thickness. This configuration tends to result in reduced productivity and faster wear of the tooth plate. After analyzing the wear of the tooth plate, our company proposed the following improvement plan.
1. The two ends of the rack on the movable plate are straight triangle teeth, and the rack is symmetrical along the horizontal center line of the moving plate, and is symmetric along the straight center line.
2. The structure of the transverse arc-shaped triangular tooth phase is selected in the middle; the outer surface of the moving jaw and the fixed tooth plate is curved along the length direction, and the radius of the arc surface is proportional to the arc length. Through these improvements, the wear of the tooth plate in the operation is reduced, and the production cost is reduced.
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