Overlaying of weld metal onto metal plates

Details Overlaying of weld metal onto metal plates Overlaying of weld metal onto metal plates

B - Operations, Transporting

23

K

B23K 9/04 (2006.01) B23K 37/00 (2006.01) B23K 37/04 (2006.01)

Patent

CA 2108274

An apparatus for applying weld metal for the purpose of hard-facing of metal plates (10) and a method of operation of the apparatus. A metal plate (10) is moved through an apparatus in which there are weld heads (43) including welding electrodes (49). The metal plate has a slight induced convexity in the region of the welding heads so that an accurate distance is maintained between the welding electrode and the surface of the metal plate. The convexity is formed by a wheel assembly (31) under the plate and the wheel assembly may also include cooling means (38). The advantage of the flat plate system is that long lengths of plate may be hard-faced.

Appareil applicateur de métal d'apport pour le rechargement dur de plaques métalliques (10), et procédé de mise en oeuvre de l'appareil. On introduit une plaque métallique (10) dans un appareil dans lequel se trouvent des têtes de soudage (43) comprenant des électrodes de soudage (49). On crée une légère convexité dans la plaque métallique au voisinage des têtes de soudage de manière à assurer le maintien d'une distance précise entre l'électrode de soudage et la surface de la plaque métallique. La convexité est formée par un ensemble à roue (31) situé sous la plaque et doté éventuellement d'un dispositif de refroidissement (38). L'avantage du système à plaque plate est que l'on peut effectuer le rechargement dur de sections très longues de plaque métallique.

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