Causes analysis and repair technology for cracking of 830E truck frame
In order to solve the problem of cracking of the main beam of 830E truck frame,the article analyzes the stress situation of 830E truck frame structure under different working conditions.We cut and sample the cracked parts of the material,observe and analyze them under an electron microscope,and conduct tensile and cold bending experiments to identify the cause of the frame cracking.Based on the location,size,and stress concentration of the frame cracking,a targeted repair process was designed and successfully applied in practice.The results show that the repair technology can solve the problem of cracking in the concentrated parts of 830E truck,and the repair effect is good,which greatly extend the service life of the frame and improve the vehicle's output rate.
830E frameforce analysiscause of crackingwelding processservice life of frame
国家科技期刊平台
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