Simulation Analysis of Roll Forming Process of Highway Guardrail Column
In order to solve the problem that three waveform beam steel guardrail square pipe columns of the outer arc radius of the corner of the bend does not meet the requirements of the relevant standards,through the optimization of the roll aperture design,the square pipe column roll forming molding and processing of the whole process simulation model is established.Based on explicit dynamic algorithm and finite element analysis software,the stress distribution and deformation of strip steel when passing through the roll are studied.A numerical simulation method suitable for the analysis of roll forming of the column is proposed to simulate the forming and shaping process of the column,and then the roll pass is optimized and the width of the tube blank is adjusted.The production practice shows that the improved square tube column forming and shaping unit can meet the production and processing needs,and the product quality meets the national standards and design requirements.
expressway guardrail postrolling mill practiceroll formingfinite element analysis
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