Installation for restoration and strengthening massive steel components of cylindrical form by hard-facing of metal layer

摘要

An installation for restoration and strengthening the massive steel components of cylindrical form by hard-facing of metal layer relates to metallurgy, in particular to welding engineering, and it can be used for restoration and strengthening the steel components of cylindrical form, such as shafts of rolling mills, rollers of roller conveyers etc. by automatic submerged-arc surfacing of the metal layer.