Jiang Fan

Method and device for controlling welding process based on stability of perforated molten bath

Welding method for cross coupling of non-meltable electrode arc and twin-wire meltable electrode arc

Device used for realizing welding technology control method based on stability of keyhole pool

Pipe fitting pulse current resistance heating and electromagnetic pulse composite welding method

Device and method for co-axial and composite welding by adopting center negative pressure plasma arc and electron beam

Separating type constrained electric arc welding method

Device for detecting welding temperature field sensed on the basis of temperature gradient

Device for applying prestress

Method for monitoring flow of weld pool through characteristic spectral line

End position judging method of non-consumable gas shielded arc welding wire