400M3丙烯球罐设计(机械CAD图纸) .doc
63页1、本科机械毕业设计论文CAD图纸 QQ 401339828 摘 要本次设计中的400m球罐用于贮存氧气,其球壳板的材质为16MnR,本文对其母材的焊接性做了简要的分析,并在次基础上选择了球罐焊接前的预热温度,以及焊接方法和焊接材料。预热温度为120-140,焊接方法为焊条电弧焊,焊条为E5015。 根据工厂的生产经验和相关标准编制了400m球罐的生产工艺流程。在整个生产过程中,球壳板的压制成形,球罐的组装与球罐的焊接属于生产中的重点与难点,在本文中都进行了详细的分析和论述。 球壳板成形采取布局成形的方法,必须在现场进行。本文根据球罐上每条焊缝的不同特点,制定了各个焊缝的具体焊接方法,并选择了焊接工艺参数。 球罐组装焊接之后,需要进行焊后处理,包括无损检测,焊后热处理,以及耐压试验等,本文也都进行了简要的分析和说明,并介绍了相应的处理方法和注意事项。 关键词:球罐 成形 组装 焊接 AbstractThe design of the 400m spherical container used for store oxygen ,its spherical shell plate mater
2、ial is 16MnR .In this paper, the welding of the base metal was analysed briefly ,and on this foundation ,the preheat temperature before the spherical container for welding ,the welding process ,and the welding material were selected . The preheat temperature is 120-140 ,the welding process is the shield metal are welding, the covered electrodes are E5015 .The produce technologic course of the 400 mspherical container was compiled according to the experience of the manufacturing plant and related
3、 standards .In the entire production process ,the press of forming spherical shell plate ,the installation and welding of spherical container belong to important and difficult in the production . In this paper ,they were carried out a detailed analysis and exposition .the methods of forming the spherical shell plate was part forming . The of the spherical container was divided two parts, they are the parts installation method ,and it should be conducted at the scene. According to the different c
4、haracter of each weld on the spherical container ,in this paper ,the concrete welding process of every weld was complied ,and the welding procedure parameters were chose .After the installation and welding of the spherical container ,there need to conduct process when the welding finished ,which include non-destructive testing , post weld heat treatment ,and the pressure test ,and so on .In the paper , they were conducted a brief analysis and exposition ,and were introduced the corresponding res
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