| Full-automation hydraulic pressure brick machine was one of the pressure processing equipment combining mechanical, electrical and hydraulic with computer control technology. It became one of the essential equipment in industrial production, in particular in ceramic industry. Owing to its structure and load characteristics of the way, large-scale brick machine of automatic hydraulic control was vulnerable to lessen mechanical strength, stiffness and resonance. The frame structure of the full-automation hydraulic pressure brick machine was an important component, and it weighed about 50% -60%.In traditional design, the parameters of the frame structure were derived mostly from the designer's experience or analogy with similar products. And the design calculation carried out by the fact only played the role of checking. For these reasons, the finite element analysis became an important part of the design for automatic hydraulic press.By using two-dimensional, three-dimensional CAD technology combining with the finite element software, this paper was based on the finite element method and researched some 2100 tons Automatic Hydraulic Press. It carried out solid modeling, static analysis, modal analysis and stress-strain test for automatic hydraulic press frame. And it also compared simulation results with experimental results. Thus, main content as follows:(1) By applying Pro/Engineer software for the frame structure of the full-automation hydraulic pressure brick machine, built three-dimensional solid model.(2) By applying ANSYS software to analyze and determine the condition of the load situation, carried out static finite element analysis on the frame, upper beam, lower beam, rod, sleeve, upper and lower nuts. The results revealed the machine frame strength and stiffness meet the design requirements or not.(3) By using the ANSYS software to carry out modal analysis on the frame, got the top ten natural frequencies of the frame and the corresponding inherence shake type and other related parameters. And made valuation on dynamic performance of the frame.(4) By applying SY-1J-32 digital static strain gauge on the Press for stress and strain tests, compared test results with simulation data to find out the reasons for the existence of error and verify the reliability of the simulation. Research showed that stress testing confirmed the reliability of finite element simulation; accurate static and dynamic parameters were gotten by analyzing the frame overall design of automatic hydraulic press. The results will have certain significance to know now available structure characteristic property and improving whose function, and providing the theory basic for the entirely designs of full-automatic hydraulic pressure brick machine. Meanwhile, it provided theoretical basis, shortened product design cycle, saving production costs by structure optimization.
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