Lincoln Electric LTW2 manual Cast Iron Plate Preparation

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LEARNING TO STICK WELD

After welding Cast Iron, protect the casting against fast cooling. Put it in a sand (or lime) box.

If sand or lime is not available, cover it with sheet metal or any other non-flammable material that will exclude drafts and retain heat.

Cast Iron Plate Preparation

Wherever practical, the joint to be welded should be “veed” out by grinding or filing to give complete pene- tration. This is especially important on thick castings where maximum strength is required . In some instances a back-up strip may be used and plates may be gapped 1/8" (3.2mm) or more.

On sections where only a sealed joint is required and strength is not important, the joint may be welded after slightly veeing out the seam as shown.

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Contents Learning to Stick Weld LTW2 Table of Contents Learning to Stick Weld Arc-Welding CircuitCorrect Welding Position Correct Arc LengthUse the following PracticeCorrect Welding Speed Do the followingButt Joints Joint Types and PositionsPenetration Fillet Joints Vertical-Up Welding Multiple Pass Welds Welding in the Vertical Position Vertical-Down WeldingWelding Sheet Metal How to Hardface the Sharp Edge Metal to Ground WearOverhead Welding HardfacingHardfacing of Idler and Roller Metal to Metal Wear Welding Cast IronCast Iron Plate Preparation Contenido Circuito de la Soldadura al ArcoCircuito para soldadura de arco Aprendiendo Palillo SoldarAprendiendo a Palillo Soldar UNA Descarga Electrica puede ser mortalAdvertencia Posición correcta para soldarUtilice lo siguiente Velocidad correcta de avancePráctica Realice lo siguienteSoldadura a tope Tipos de soldaduraPenetración Soldadura de fileteSoldadura en dirección vertical ascendente Soldaduras de pasadas múltiplesSoldadura en posición vertical Soldadura vertical descendenteSoldadura de hojas metálicas Soldadura sobre cabezaRecubrimiento duro Como soldar hierro vaciado Preparación de una placa de hierro vaciado Pieza de respaldo de aceroTable DES Matières Le circuit de soudage à larc Apprenez À Coller SoudureLapprentissage DU Soudage LES Chocs Électriques peuvent être mortelsLa bonne position de soudage La bonne longueur darcMatériel et réglage du courant La bonne vitesse de soudagePratique Règles à suivreSoudures bout à bout Types de souduresPénétration Soudures dangleSoudage à la verticale en montant Soudures multipassesSoudage en position verticale Soudage à la verticale en descendantRechargement dur Soudage au plafondSoudage de tôles Comment recharger le tranchant usure métal-terreRecharger aux dimensions Soudage de la fontePréparation de la plaque en fonte