Lincoln Electric LTW1 User Manual

• Sales and Service through Subsidiaries and Distributors Worldwide •
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
• World's Leader in Welding and Cutting Products •
“LEARNING TO WELD”
“APRENDIENDO A SOLDAR”
“APPRENEZ À SOUDER”
WORKPIECE
ARC
ARCO
ARC
WORK CLAMP
PINZA DE TRABAJO
BRIDE DE TRAVAIL
GUN AND CABLE
ANTORCHA Y CABLE
PISTOLET ET C BLE
PIEZA DE TRABAJO
MORCEAU DE TRAVAIL
May, 2006
LTW1
Copyright © 2006 Lincoln Global Inc.
Safety Depends on You
Lincoln arc welding and cutting equipment
is designed and built with safety in mind.
However, your overall safety can be
increased by proper installation ... and
thoughtful operation on your part. DO NOT
INSTALL, OPERATE OR REPAIR THIS
EQUIPMENT WITHOUT READING THE
OPERATORS MANUAL WHICH IS PRO-
VIDED WITH YOUR MACHINE AND THE
SAFETY PRECAUTIONS CONTAINED
THROUGHOUT. And, most importantly,
think before you act and be careful.
La seguridad depende de usted
El equipo de soldadura por arco y corte de
Lincoln está diseñado y construido teniendo
en mente la seguridad. Sin embargo, la
seguridad general puede ser mejor si instala
y opera la máquina adecuadamente.
NO
INSTALE, NO PONGA EN FUN-
CIONAMIENTO NI REPARE ESTE EQUIPO
SIN LA LECTURA DEL MANUAL DE LOS
OPERADORES QUE SE PROPORCIONA
CON SU MÁQUINA Y LAS MEDIDAS DE
SEGURIDAD CONTENIDAS EN EL MISMO.
Lo más importante, piense antes de actuar
y tenga cuidado.
La sécurité dépend de vous
Le matériel de soudage et de coupage à
l'arc Lincoln est conçu et construit en tenant
compte de la sécurité. Toutefois, la sécurité
en général peut être accrue grâce à une
bonne installation... et à la plus grande pru-
dence de votre part.
NE PAS INSTALLER,
N'ACTIONNEZ PAS OU NE RÉPARER PAS
CET EQUIPEMENT SANS LIRE LE MANUEL
D'OPÉRATEURS QUI EST EQUIPEMENT DE
VOTRE MACHINE ET DE MESURES DE
SÉCURITÉ CONTENUES PARTOUT.
Et, par
dessus tout, réfléchissez avant d'agir et
exercez la plus grande prudence.

Lincoln Electric LTW1 Specifications

General

Brand	Lincoln Electric
Model	LTW1
Category	Welding System
Language	English

Summary

Learning to Weld

Safety Depends on You

Emphasizes the user's responsibility for overall safety in installation and operation.

The Arc-Welding Circuit

Self-Shielded FCAW (Flux Core Arc Welding)

GMAW (Gas Metal Arc Welding)

Process Selection

Joint Types and Positions

Common Metals

Welding In The Vertical Position

Vertical-up And Overhead Welding

Technique for vertical-up welding on thicker materials, managing molten metal flow.

Vertical-down Welding

Machine Set Up For The Self-Shielded FCAW Process

Welding Techniques For The Self-Shielded FCAW Process

The Correct Welding Position

Describes the correct physical stance and gun angle for welding.

The Correct Way To Strike An Arc

The Correct Contact Tip to Work Distance (CTWD)

The Correct Welding Speed (Travel Speed)

Helpful Hints

Practice

Machine Set Up For The GMAW (MIG) Process

Welding Techniques For The GMAW (MIG) Process

The Correct Welding Position

Details the correct gun angle and push technique for GMAW welding on sheet metal.

The Contact Tip to Work Distance (CTWD)

The Correct Welding Speed

Helpful Hints

Practice

Troubleshooting Welds

To Eliminate Porosity

Lists steps to identify and fix porosity in welds, focusing on gas flow and joint cleanliness.

To Correct Poor Penetration

Provides solutions for insufficient weld penetration, related to CTWD and speed.

If Arc Blow Occurs

Addresses arc blow issues, suggesting adjustments to work connections, drag angle, and CTWD.

To Eliminate a Ropy Convex Bead

Offers solutions for ropy convex beads, involving CTWD, travel speed, and drag angle.

To Reduce Spatter

Outlines methods to minimize spatter, such as adjusting drag angle and CTWD.

To Eliminate Stubbing

Explains how to prevent stubbing where the electrode hits the workpiece.

Proper Gun Handling

Covers essential practices for handling the welding gun and cable to prevent feeding problems.