Miller Electric M-15 manual Typical MIG Process Control Settings, Wire Recommendation Wire Speed

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6-2. Typical MIG Process Control Settings

NOTE

These settings are guidelines only. Material and wire type, joint design, fitup, position, shielding gas, etc. affect settings. Test welds to be sure they comply to specifications.

Material thickness determines weld

 

 

parameters.

1/8 or

Convert Material

 

.125 in

 

Thickness to

 

 

 

 

Amperage (A)

 

 

(.001 in = 1 ampere)

 

 

.125 in = 125 A

Wire Size

Amperage Range

.035 in

 

.023 in

30 – 90 A

.030 in

40 – 145 A

.035 in

50 – 180 A

 

Wire

Recommendation

 

Wire Speed

 

Size

 

(Approx.)

 

 

 

 

 

 

 

 

 

 

 

.023 in

3.5 in per ampere

3.5 x 125 A = 437 ipm

 

.030 in

2 in per ampere

2 x 125 A = 250 ipm

 

.035 in

1.6 in per ampere

1.6 x 125 A = 200 ipm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low voltage: wire stubs into work

High voltage: arc is unstable (spatter)

Set voltage midway between high/low voltage.

Select Wire Size

Select Wire Speed (Amperage)

125 A based on 1/8 in material thickness

ipm = inch per minute

Select Voltage

Wire speed (amperage) controls weld pe- netration (wire speed = burn-off rate)

Voltage controls height and width of weld bead.

Ref. ST-801 865

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Contents Description OM-1314Processes From Miller to You Table of Contents Page Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killPrincipal Safety Standards About Pacemakers EMF InformationConsignes DE Securite Lire Avant Utilisation Signification des symbolesUN Choc É Lectrique peut tuer LES Fumé ES ET LES GAZ peuvent ê tre dangereuxLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux LA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresConsignes relatives aux stimulateurs cardiaques Principales normes de sé curitéInformation sur les champs é lectromagné tiques Volt-Ampere Curves InstallationSpecifications Overheating Duty Cycle And OverheatingInstalling Gas Supply Installing Work ClampFollow wire manufacturer’s recommendation Do not move or operate unit Where it could tip Electrical Service GuideSelecting a Location And Connecting Input Power Standard Wire Spool Standard Wire Reel Installing Wire Spool And Adjusting Hub TensionInstalling Drive Roll And Threading Welding Wire Weld Parameters OperationControls 14 ga 16 ga 18 ga 20 ga 22 gaMaintenance Maintenance & TroubleshootingMonths Fuse F1Unicable Repair Turn Off power before replacing contact tipReplacing Gun Contact Tip To Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun from unit Remove handle Remove switch housing. Note If installing new Replacing Switch And/Or Head TubeTurn Off power before cleaning or repairing drive assembly Cleaning Or Repairing Drive AssemblyWelding Trouble Remedy TroubleshootingCircuit Diagram Electrical DiagramTypical MIG Process Connections MIG Welding Gmaw GuidelinesWire Recommendation Wire Speed Typical MIG Process Control SettingsSelect Wire Size Select VoltageHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting Porosity Troubleshooting Excessive SpatterTroubleshooting Excessive Penetration Possible Causes Corrective ActionsTroubleshooting Burn-Through Troubleshooting Lack Of PenetrationTroubleshooting Incomplete Fusion Troubleshooting Distortion Troubleshooting Waviness Of BeadFlat & Horizontal1 Fillet Common MIG Shielding GasesApplication OM-1314 Main Assembly Parts ListDia Part Mkgs Description Quantity M-15 Gun M-15 Gun -1 Item 169Drive Assembly, Wire -1 Item Support ServiceMiller Electric Mfg. Co Owner’s Record

M-15 specifications

Miller Electric M-15 is a highly regarded welding machine designed to cater to a variety of welding applications in both industrial and commercial environments. Known for its reliability and efficiency, the M-15 stands out in the Miller Electric lineup due to its impressive performance and user-friendly features.

One of the primary characteristics of the M-15 is its versatility. It supports multiple welding processes, including MIG, TIG, and Stick welding. This multi-process capability allows operators to switch between different techniques without needing to change equipment, making it an ideal choice for fabricators and maintenance professionals who handle various welding tasks.

The M-15 is engineered with advanced inverter technology, which enhances its performance and efficiency. This technology allows for a lightweight design while still delivering powerful output. The machine offers a wide range of amperage, making it suitable for welding thin materials as well as thicker sections. As a result, the M-15 can tackle everything from delicate sheet metal projects to robust structural welds.

Another standout feature is its intuitive control panel, which simplifies operation for both novice and experienced welders. The easy-to-read display provides essential information regarding settings and performance, allowing users to make adjustments on the fly. This user-friendly interface minimizes the learning curve and maximizes productivity in the workshop.

In terms of safety, the Miller Electric M-15 incorporates several features designed to protect users during operation. Its built-in thermal overload protection automatically shuts down the machine in case of overheating, thus preventing damage to the equipment and ensuring the safety of the operator.

Durability is also a hallmark of the M-15. Constructed with high-quality materials, this welding machine is built to withstand the rigors of daily use in demanding environments. The housing is designed to protect internal components from dust, debris, and accidental impacts, ensuring consistent performance over time.

Overall, the Miller Electric M-15 combines advanced technology, versatility, and reliability into a compact and powerful welding machine. Its user-friendly design, safety features, and robust construction make it a top choice for professionals looking to invest in a reliable welding solution. Whether for heavy industrial applications or lighter fabrication work, the M-15 is equipped to meet a wide range of welding challenges with confidence.
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