Chicago Electric 68887 manual Workpiece Heat Control / Weld Penetration, Example Weld Diagrams

Page 19

Weld Diagnosis

Workpiece Heat Control / Weld Penetration

	INADEQUATE PENETRATION				PROPER PENETRATION			EXCESS PENETRATION OR
	INADEQUATE PENETRATION				PROPER PENETRATION			BURN-THROUGH
								BURN-THROUGH

Not hot enoughIdeal heatToo hot

How to increase workpiece heat		How to reduce workpiece heat
and increase penetration:		and limit penetration:
(to weld THICKER workpieces properly)		(to weld THINNER workpieces properly)
a.Use MAX setting	c. Use faster wire feed	a.Use MIN setting	c. Use slower wire feed
b.Weld more slowly	d.Use shorter stickout	b.Weld more quickly	d.Use longer stickout

SAFETY

SETUP

Example Weld Diagrams

BASIC WELDING

Good Weld

Current

Too Low

TO CORRECT:

ON MIN

OFF MAX

030″-.035″ Flux-core

X Ga. – X/X″ Steel Plate

lectrode – X′

Current

Too High or

Wire Feed

Too Fast

TO CORRECT:

ON MIN

OFF MAX

30″-.035″ Flux-core

X Ga. – X/X″ Steel Plateor

ON

OFF

WIRE FEED SPEED

Wire

.030″-

Weld Speed

Too Fast

TO CORRECT:

weld

slower

Weld Speed

Too Slow

TO CORRECT:

weld

faster

Stickout

Too Long

TO CORRECT:

maintain

less

than 1/2″ stickout

WELDING TIPS

MAINTENANCE

SKU 68887

For technical questions, please call 1-800-444-3353.

Page 19

Image 19

Contents Page General Safety Table of ContentsFumes and Gases can be hazardous to your health Fume and Gas SafetyArc Ray Safety SafetyWelding Welding Tips Maintenance Electrical SafetyFire Safety Safety SetupWelder use and care MaintenanceExtension Cords Tips MaintenanceSymbology Grounded WeldersTo Prevent Serious Injury from Accidental Operation Cover AssemblySpecifications SetupSetup Basic Welding Wire Spool InstallationSpindle Hold Wire Basic Welding Welding Tips MaintenanceBack into the Gun Wire Liner may come out with the weldingWire, this is normal, just push the Wire Liner Gun Welding Wire For technical questions, please callGun Nozzle Contact Tip Setup Basic Welding Welding Tips MaintenanceIncrementally Increase tension Until Wire bends Turn the Welder to OFFTo Prevent Serious Injury Basic WeldingTo Prevent Serious INJURY, Fire and Burns Control Panel Layout Safety Setup Basic Welding Welding Tips MaintenanceGun Concrete slab Weld Settings ChartWire size and material thickness Duty Cycle Duration of UseWelding Setting Up The WeldBasic Welding Technique SafetyHold GUN Clear Up to 2 minutes welding At rated outputStrike Test Cleaning the WeldWelding Tips To Correct Example Weld DiagramsWorkpiece Heat Control / Weld Penetration Weld DiagnosisWeld Not Adhering Properly Weld ProblemsPossible Causes and Solutions Penetration Workpiece Heat ControlExcessive Spatter Coat of Slag Over WeldPorosity Crooked/Wavy BeadFire and Burns Nozzle Inspection, Cleaning, and ReplacementSafety Setup Basic MaintenanceNozzle Contact Tip Gun Contact Tip Inspection, Cleaning, and ReplacementTroubleshooting Wire Feed Motor Runs But Wire Does Not Feed ProperlyWire Creates a Bird’s Nest During Operation Wire Feeds, But Arc Does Not IgniteWelding Arc Not Stable TroubleshootingPower Switch Does Not Light When Switched On Weak Arc StrengthParts List Wiring SchematicParts Lists and Diagrams Record Product’s Serial Number Here Assembly Diagram Part 9 DetailMission Oaks Blvd. PO Box 6009 Camarillo, CA 93011 800 Limited 90 Day Warranty