在制作贮气罐成油罐时，薄壁板在卷圆或卷圆后的运输过程中总会产生弧度偏差，因此，在组对现场往往都需用大锤的打击来进行调整。但是，用大锤调整就会留下一些锤畜产生的痕迹，影响贮罐制作后购外观质量。为了克服这种现象，下面介绍一种有效的方法一垫块法。“垫块法”比较 When making a tank into an oil tank, the thin-walled board will always have a curvature deviation during the transportation process of the round plate or the round plate. Therefore, it is often necessary to adjust the thin plate against the scene by sledge hammering. However, the use of sledgehammer will leave some traces of hammering, affecting the quality of post-production appearances. In order to overcome this phenomenon, the following describes an effective method of a pad method. “Pad method” comparison