Materials, splicing, blanking tolerance, manufacturing tolerance and riveting quality requirements for riveting and welding part are specified in this standard.
This standard is applicable to the riveting and welding parts of the centrifugal and axial fan. Besides, this standard may be referred to for the riveting and welding parts of other fans.
Materials, splicing, blanking tolerance, manufacturing tolerance and riveting quality requirements for riveting and welding part are specified in this standard.
This standard is applicable to the riveting and welding parts of the centrifugal and axial fan. Besides, this standard may be referred to for the riveting and welding parts of other fans.