The finite element modeling and mode analysis calculation to ATV motorcycle frame are introduced. Improved opinions are suggested to provide some reasons for further analysis.
同时给出了利用有限元法对沙滩摩托车车架建模及模态分析的计算过程，并针对不足之处提出了改进意见，为车架的进一步分析提供依据。
The welding of ATV motorcycle flame is closely related with the frame material, the fixing of technological equipment, types of wire for welding, welding current and welding procedures.
ATV车架焊接的好坏与车架材料、工装固定、焊丝种类、焊接电流和焊接顺序等密切相关，焊接前可结合CAE分析和残余应力分布的预判来确定车架材料及焊接顺序；
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