Start Switch on, Spot Switch OFF | Lincoln Electric IM467-B specification

B-17

B-17

OPERATION

CLOSEARC STARTSWITCH

WELDBEGINS

OPENARC STARTSWITCH

EFFECT OF CONTROLS ON TIG WELDING

START TIME

START CURRENT

LOCAL CURRENT CONTROL

START SWITCH ON

PRESET

FILLCRATER

CURRENT%

CURRENT

(SHORT HOT START SHOWN)

PULSE SWITCH ON

CRATER FILL SWITCH ON

(SLOW FADE-OUT SHOWN)

SPOT SWITCH OFF

BACKGROUND

% CURRENT

LOCAL OR REMOTE

ARCCLOSE SWITCHSTART

SPOT SWITCH ON

ARCCLOSE PREFLOW

ARCOPEN SWITCHSTART TIMESPOTAFTER

ALL OTHER LOWER PANEL SWITCHES

SWITCH

OFF

START

PRESET

(SPOT TIME IS CUT SHORT IF ARC

SPOT TIME

SPOT TIME

CURRENT

START SWITCH IS OPENED BEFORE

END OF SPOT TIME)

REMOTE AMPTROL CONTROLS CURRENT

FROM 2 AMPS UP TO PRESET CURRENT

THE SPOT TIMER CAN BE USED TO TIME A PROGRAMMED SEQUENCE OF START AND/OR PULSE UP TO 5 SECONDS LONG, OPTIONALLY FOLLOWED BY CRATER FILL. IF CRATER FILL IS USED, FADE-OUTBEGINS AT THE END OF THE SPOT TIME.

START & PULSE & CRATER FILL

SPOT

SPOT & START PULSE & CRATER FILL

SQUARE WAVE TIG 355

Image 32

Lincoln Electric IM467-B manual Start Switch on, Pulse Switch on Crater Fill Switch on, Spot Switch OFF, Local or Remote

Contents

Square Wave TIG Safety Electric Shock can kill Cylinder may explode if damaged Précautions DE Sûreté Thank You Table of Contents Section C Section DSection E P196 Series Installation Technical Specifications Square Wave TIG High Frequency Interference Protection Safety PrecautionsSelect Suitable Location Input Connections Ground ConnectionInput Supply Connection Electric Shock can kill Reconnect Procedure Figure A.2 Input Supply Connections Table A.1 Recommended Input Wire and Fuse Sizes Table A.2 Recommended Input Wire and Fuse SizesVolt/Freq Nameplate AWG Copper Cond Volt/Freq AC Output AWG Copper Cond Output Connections TIG Torch ConnectionLengths up to 100 to 200 ft 200 to 250 ft 100 ft 30 m 30 to 61 m 61 to 76 m Stick Electrode Cable Connection Safety Instructions Operating Instructions Operational Features and Controls Design Features and AdvantagesGeneral Description Recommended Processes Welding Capability Limitations Controls and Settings Upper Case Front Controls Mode Switch STEP/4-STEP SwitchHigh Frequency Switch Upper Case Front Control Panel VOLTS/AMPS Switch Peak Current ControlAC Wave Balance Auto Balance LED Start Controls Spot ControlsPulse Controls Figure B.2 Status Indicator Light Sequence Square Wave TIG Crater Fill Controls Operation Lower Case Front Controls Figure B.3 Lower Case Frontcontrols Square Wave TIG Operation Hand and Foot Amptrol Operation Operation Welding Operation Initial START-UPStick Welding TIG Welding Guidelines Illustrated in the 2-Step Mode for clarity Table B.1 Specific Effects of Controls Crater Fill Switch on OFF Start Switch on Pulse Switch on Crater Fill Switch onSpot Switch OFF Spot Switch on Table B.2 Typical Current RANGES1 for Tungsten ELECTRODES2 Dcen Dcep + Unbalanced Wave Balanced Wave TIG Welding Sequence Operation 2-STEP Mode TIG Welding Sequence Operation 4-STEP ModeTable B.3 Recommended Settings for TIG Welding Polarity Switch ALL Machines Auxiliary PowerOverload Protection Accessories OPTIONS/ACCESSORIES Maintenance Input Power Factor Capacitor Discharge Procedure Routine and Periodic Maintenance Figure D.2 General Component Locations Troubleshooting Guide General Machine Trouble Troubleshooting Guide Stick Welding Symptom Cause and Remedy Troubleshooting Guide TIG Welding TIG Welding Lower Panel Controls Accessories K870 Foot Amptrol or K963 Hand Amptrol Diagrams Dimension Print Square Wave TIG355 Equipment Installation Certification Equipment MANUFACTURER’S CertificationPage Precaucion Aviso DE