Flash butt welding machine, The parts to be butt welded a re
pneumaticaIly and hyd r aulicaIly controlled. Then firstly powe r
on the machine slowly to remove the oxidants, residues and flashes
on the surfaces to be welded while pushing, and let the end su
rfaces of the pa rts to be welded to plasticize by heat, and
quickly apply upset forging force to make the end su rfaces to be
penetrated and melt welded With this welding method, the strength
is high, the welding ioint is excellent, and there is no false
joint, residue and ai r bubble It is widely used in the butt
welding of handles of kitchen uten sils such as knife, fork, spoon
and spatula, as well as the welding of ha rdwa re products such as
round pipes, square pipes, round steel, flat iron, bicycle wheel
rims, motor wheeI rims etc.
