The invention relates to an automatic submerged-arc welded H-shaped steel production method. The method comprises the following steps of feeding, upper
flange plate pushing and
cutting, upper
flange plate conveying, web pushing and
cutting, web turning over, upper
flange plate secondary conveying, T-shaped steel automatic
welding, lower flange plate pushing and
cutting, lower flange plate conveying, T-shaped steel conveying, T-shaped steel turning over, lower flange plate secondary conveying, H-shaped steel automatic
welding, finished product conveying, and finished product stacking and packaging; and feeding is conducted through a portal crane, the steel is
cut through a
plasma cutting trolley,
steel plates and finished products are conveyed, stacked and packaged through a conveying platform, a finished product conveying
system, a finished product stacking and packaging
system. The automatic submerged-arc welded H-shaped steel production method has the advantages of being easy and convenient to operate, stabile in connection and capable of achieving continuous automatic production.