Lincoln Electric AC-225C User Manual

1
AC-225C (60 Hz Model)
WELDING POWER SOURCE
FUENTE DE PODER DE SOLDADURA
SOURCE DE COURANT DE SOUDAGE
IMT380-B
January, 2010
Contents . . . . . . . . . . . . . . . . . . . . .Page
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Installation and Operating Instructions
for AC-225C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Includes safety, installation, operating
instructions, parts list and wiring diagram.
Learning to Weld . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Using the Carbon Arc Torch . . . . . . . . . . . . . . . . . . . . . . . .28
Includes for heating metal, welding aluminum
or brazing with an arc torch.
Selecting Electrodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Brief descriptions of the types and operating
data for all Lincoln electrodes.
Welding Books and Teaching Aids . . . . . . . . . . . . . . . . . . .37
Welder’s Guide
Guía del Soldadura
Guide du soudeur
Indice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Pagina
Precauciones de seguridad . . . . . . . . . . . . . . . . . . . . . . . .2
Instrucciones de instalación y operación
para la AC-225C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Incluye instrucciones de seguridad,
instalación, operación lista de partes y diagrama de cableado.
Aprendiendo a soldar, . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Utilización de la antorcha de arco de carbono, . . . . . . . .28
Incluye el calentamiento del metal,
soldadura de aluminio o con bronce
utilizando una antorcha de arco
Selección de electrodos, . . . . . . . . . . . . . . . . . . . . . . . . . .36
Descripciones breves de los tipos y
datos de operación para todos los
electrodos de Lincoln.
TABLE DES MATIÈRES
Mesures de sécurité . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Consignes d'utilisation des sources de
courant AC-225C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Comprend les consignes de sécurité, d'installation et d'u-
tilisation ainsi que la nomenclature de pièces et le sché-
ma de câblage.
L'apprentissage du soudage . . . . . . . . . . . . . . . . . . . . . . .14
Utilisation de la torche à arc au carbone . . . . . . . . . . . . .28
Directives pour le chauffage du métal, le soudage
de l'aluminium ou le brasage fort à la torche à arc.
Choix des électrodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Brèves descriptions des types et des
données d'utilisation
pour toutes les électrodes Lincoln.
Manuels sur le soudage et matériel didactique . . . . . . . . .37
22801 St. Clair Ave.
Cleveland, Ohio 44117-1199 U.S.A.
TEL: 216.481.8100 FAX: 216.486.1751
WEB SITE: www.lincolnelectric.com
Copyright © Lincoln Global Inc.

Lincoln Electric AC-225C Specifications

General

Input Voltage	230 V
Input Amperage	50A
Input Phase	Single Phase
Input Frequency	60 Hz
Output Current Range	40 - 225 A
Duty Cycle	20% @ 225A
Welding Process	Stick (SMAW)
Type	Arc Welder
Electrode Size	1/16" - 5/32"

Summary

Safety Precautions

Arc Rays Protection

Warnings about arc rays causing burns and necessary eye/skin protection.

EMF Hazards

Information on EMF hazards and minimizing exposure through proper procedures.

Fire and Explosion Prevention

Precautions against welding sparks causing fire or explosion.

Electric Shock Hazards

Warnings about electric shock hazards and required safety measures.

Fumes and Gases Hazards

Hazards of welding fumes/gases and necessary ventilation and respiratory protection.

Installation

Input Power and Grounding

Instructions for connecting power supply and grounding the welder according to codes.

Electrode Cable Attachment

Step-by-step guide for safely connecting the electrode cable to the holder.

Work Cable Clamp Attachment

Instructions on how to securely attach the work cable to the clamp.

Operation

Power Source Duty Cycle

Details on the welder's power source capabilities and duty cycle ratings.

Control Functions

How to set and adjust the welding current using the machine's controls.

Learning to Weld

Arc-Welding Circuit Basics

Explanation of the arc welding circuit, its components, and voltage output.

Arc Dynamics

Description of the physical process occurring within the electric arc.

Welding Position and Technique

Guidance on correct welding posture and striking the arc.

Arc Length and Speed Control

How to maintain proper arc length and welding speed.

Vertical Welding Methods

Techniques for performing welds in a vertical orientation.

Specialized Welding Applications

Techniques for welding cast iron, sheet metal, and aluminum alloys.

Using The Carbon Arc Torch

Required Equipment and Connections

Lists necessary equipment and instructions for connecting the carbon arc torch.

Arc Torch Soldering

Using the arc torch for soldering copper and other materials.

Arc Torch Heating and Bending

Techniques for heating, bending, and straightening metal with the arc torch.

Electrode Selection Guide

Electrode Types and Settings

A table listing electrode types, sizes, and recommended current settings.