Finite Element Analysis for Integration of Crusher

At the feeding inlet or the grizzly of various mines and the crusher machine in the quarries, the application of the fixed crusher machine for secondary crushing for the large pieces of the materials has become more and more widely. The working device of the crusher machine is the main component which can be used to bear the work load. The strength of the structure can directly affect the stability and the working performance of the crusher machine. The experts of Henan Hongxing Mining Machinery have used the finite element method to do a lot of researches on the working device of the fixed crusher machine and they have got the force situation for stress, strain, displacement, safety factor and the rivet at any point of the structure of the crusher machine.
The working device of the fixed crusher machine is mainly composed of the rotary motor, the rotating mechanism, swing arm, bucket arm, connecting rod, rocking bar, hydraulic hammer, boom cylinder, bucket arm cylinder, turn hammer oil cylinder and other components. With different working conditions, the working device can bear different working load and the result for the finite element analysis is also different. The experts of Henan Hongxing Mining Machinery have got the position for the maximum stress point and the point of the maximum displacement with the research results. Therefore, the research results have provided certain basis for the further optimization, improvement and the design for the structure of the crusher machine.
According to the finite element analysis of the working device, we can know that the largest stress is less than the allowed stress of the crusher materials, which can meet the strength conditions. When the hydraulic system has the frequency of the excitation frequency and the external forces hydraulic system is close to the working device frequency, the resonance of the system will be caused so that the vibration of the working device increases.
The analysis about the integrated finite element can help us to better improve and design the various components of the working device. At the weak parts of the working device, we can increase the strength and the stiffness by using the analysis effect so that the distribution of the stress and the strain become more reasonable.

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