Hobart Welding Products 210, M-10 Welding Gun Duty Cycle And Overheating, Volt-Ampere Curves

Page 14

3-3. Welding Gun Duty Cycle And Overheating

CAUTION

WELDING LONGER THAN RATED DUTY CYCLE can damage gun and void warranty.

•

Do not weld at rated load longer than shown below.

 

•

Using gasless flux cored wire reduces gun duty cycle.

warn7.1 8/93

Definition

0

10

Minutes

Duty Cycle is percentage of 10 minutes that gun can weld at rated load without overheating.

.023 To .045 in (0.6 To 1.1 mm)

Hard Or Flux Cored Wires

100% Duty Cycle At 100 Amperes

Using CO2

Continuous Welding

.023 To .045 in (0.6 To 1.1 mm) Hard Or Flux Cored Wires

60% Duty Cycle At 100 Amperes

Using Mixed Gases

6 Minutes Welding

4 Minutes Resting

 

SB1.1 8/93

3-4.

Volt-Ampere Curves

 

 

 

 

 

 

 

 

 

 

 

Volt-ampere curves show minimum

 

 

 

 

 

 

 

and maximum voltage and amper-

 

35

 

 

 

 

 

age output capabilities of unit.

 

 

 

 

 

 

Curves of other settings fall be-

 

30

 

 

 

 

 

tween curves shown.

VOLTS

 

 

 

 

 

 

25

 

 

 

 

 

 

 

 

 

 

 

 

 

DC

20

 

 

 

 

 

 

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

0

0

50

100

150

200

250

DC AMPERES

va_curve1 4/95 − 199 212

OM-927 Page 10

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Contents File MIG Gmaw ProcessesDescription From Hobart to You Table of Contents Warranty Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killCalifornia Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information Indique un message de sécurité particulier UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux DES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer unIncendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures graves’EMPLOI Excessif peut SUR Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sécurité En ce qui concerne les stimulateurs cardiaquesExceeding duty cycle can damage unit and void warranty SpecificationsWelding Power Source Duty Cycle And Overheating OverheatingDefinition Welding Gun Duty Cycle And OverheatingVolt-Ampere Curves Installing Welding Gun Connecting To Weld Output Terminals Installing Work Clamp CableSetting Gun Polarity For Wire Type Installing Gas Supply Rear PanelChanging Input Voltage Installing Wire Spool And Adjusting Hub TensionTurn Off unit, and disconnect input power Input Voltage Electrical Service GuideHz Single Selecting a Location And Connecting Input Power Threading Welding Wire Hold wire tightly to keep it from unravelingInstalling Optional Spool Gun Switch In Welding Power Source OperationConnecting Spool Gun To Welding Power Source Turn Off unit− Operation ControlsSelecting Wire, Gas and Control Settings Weld ParametersIs voltage,numberon To read settingsNumber on left of slash Supplementary Protectors Routine MaintenanceDisconnect power before maintaining MonthsRemoving Knob From Front Panel Replacing Drive Roll And Wire Inlet GuideTurn Off power Turn Off power before replacing contact tip Replacing Gun Contact TipTo Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun from unit Replacing Switch And/Or Head Tube Disconnect gun firstWire Drive/Gun Trouble Remedy Welding Troubleshooting TableWire Drive/Gun Troubleshooting Table Welding Trouble Remedy− MIG Welding Gmaw Guidelines Typical MIG Process ConnectionsThickness to Amperage a Typical MIG Process Control SettingsWire Size Amperage Range AmperageHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Excessive Penetration Troubleshooting − Excessive SpatterTroubleshooting − Porosity Possible Causes Corrective ActionsTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Waviness Of Bead Troubleshooting − DistortionCommon MIG Shielding Gases Troubleshooting Guide For Semiautomatic Welding EquipmentWire does not feed ApplicationWelding arc not stable Wire slipping in drive rolls OM-927 − Electrical Diagram − Parts List REGULATOR/FLOWMETER, 10−50 CFH ARGON/CO2 Center Baffle w/Components Center Baffle w/Components -1Item Rear Panel w/Components Front Panel w/Components M-10 Gun Optional Spool Gun Switch AccessoriesPage Assistance ServiceSupport Contact your Distributor for Hobart Welding Products
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