Miller Electric H-10, MW 140 Plus warranty Volt-Ampere Curves, Amperage

Page 15

4-3.

 

Volt-Ampere Curves

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The volt-ampere curves show the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

minimum and maximum voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and amperage output capabilities of

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the welding power source. Curves

30.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

of other settings fall between the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

curves shown.

25.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RANGE4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RANGE3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RANGE2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RANGE1

 

 

 

 

10.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.0

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140

150

160

 

 

 

 

 

 

 

 

 

Amperage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ssb1.1 10/91 − 217 624-A

OM-219 316 Page 11

Image 15
Contents 2006−10 OM-219 316CProcesses →DescriptionPage Table of Contents − Parts List Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers UNE Décharge Électrique peut entraîner la mort LES Fumées ET LES GAZ peuvent être dangereuxIndique un message de sécurité particulier DES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer unIncendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peut SUREn ce qui concerne les stimulateurs cardiaques Principales normes de sécurité− Definitions − SpecificationsSymbols And Definitions SpecificationsExceeding duty cycle can WarrantyDuty Cycle And Overheating Output Duty Cycle %Amperage Volt-Ampere CurvesCorrect − InstallationInstalling Welding Gun IncorrectChanging Polarity Process/Polarity TableCO 2 gas regulator/flowmeter Installing Gas SupplyDo not move or operate unit where it could tip Selecting a Location And Connecting Input PowerInstalling 8 in 203 mm Wire Spool Installing Wire Spool And Adjusting Hub TensionFlux Nozzle Installing Contact Tip And NozzleHold wire tightly to keep it from unraveling Threading Welding WireControls − OperationWeld Parameter Chart 217 618-A Drive Motor Protection − Maintenance &TROUBLESHOOTINGRoutine Maintenance Overload ProtectionChanging Drive Roll Or Wire Inlet Guide Turn Off power before replacing contact tipReplacing Gun Contact Tip Cleaning Or Replacing Gun Liner Disconnect gun from unitTo Reassemble Gun Replacing Switch And/Or Head Tube Troubleshooting Table Trouble RemedyDoes not run Circuit Diagram − Electrical DiagramTypical MIG Process Connections − MIG Welding Gmaw GuidelinesSelect Voltage Typical MIG Process Control SettingsWire Size Amperage Range Thickness to Amperage aHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Poor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive PenetrationTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Burn-Through Troubleshooting − Distortion Troubleshooting − Waviness Of BeadApplication Troubleshooting Guide For Semiautomatic Welding EquipmentWire does not feed Common MIG Shielding GasesWelding arc not stable Wire slipping in drive rolls Main Assembly − Parts ListDia Part Description Quantity Dia Part Description Quantity Mkgs 195 H-10 GunOptions Optional Drive RollsWarranty Owner’s Record