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一、轮辋的组成及技术要求图1是我厂生产的自行式铲运机前轮轮辋结构示意图。它主要有轮缘、柱体、端环等三部分组成。材质均为20号钢,壁厚为16mm。设计要求:①柱体与轮缘、端环之间的焊缝应保证焊透;②φ614柱体的圆柱度不得超过2mm。二、改进前的焊接工艺为了满足上述设计要求,并且不出现夹渣
First, the composition of the rim and technical requirements Figure 1 is a schematic diagram of the front wheel rim structure of the self-propelled scraper manufactured by our factory. It mainly has rim, cylinder, end ring and other three parts. Material are 20 steel, wall thickness of 16mm. Design requirements: ① column and the rim, the weld between the end ring should ensure penetration; ② φ614 cylindrical cylinder shall not exceed 2mm. Second, to improve the welding process in order to meet the above design requirements, and does not appear slag