Lincoln Electric Power MIG 350MP User Manual

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Power MIG® 350MP

Power MIG®. The Professional’s C

When you need more than just a MIG machine, the Powe the choice for you. Lincoln Chopper Technology® de processes—MIG and flux-cored, along with excellent stic advanced processes such as Power Modeand Pulse-on- future waveforms of special or improved welding process loaded into the Power MIG, making it expandable. This m you buy today won’t be obsolete tomorrow. Factor in the sophistication of synergic control, and you’ll agree— no o source in this category offers so much!

Processes

Stick, TIG, MIG, Pulsed, Flux-Cored

Advantage Lincoln

WIRE FEEDER/WELDERS

Output

CC

CV

DC

Input

1

PHASE

60

Hz

Arc Performance:

Lincoln Chopper Technology® delivers high quality welds by increasing the control over the welding arc.

Multi-Process capable — Welds MIG, flux-cored, stick, TIG, pulsed MIG, and advanced processes like Pulse-On-Pulse and Power Mode®.

Pulse-on-Pulse improves cleaning action when welding aluminum and delivers a TIG-like appearance to the weld beads.

Power Mode® maintains a stable, smooth arc for short arc welding on thin material – great arc length control for aluminum welding.

Synergic control of voltage with wire feed speed allows you to set weld procedures with only one control for simplicity.

Superb Quality:

Rugged cast aluminum industrial wire drive features dual driven rolls, easy-turn numeric tension indicator, brass-to-brass gun connections and Lincoln’s 100% wire-supporting split wire guide system.

Three-year warranty on parts and labor (90 days warranty on gun).

Professional Features:

Push-Pull or Spool Gun Ready — The Power MIG® 350MP has the electronics built-in to drive either a spool gun or push-pull gun giving you more ways to feed aluminum.

115V auxiliary receptacle to power a grinder or other auxiliary equipment in your work area.

A second gas solenoid is built-in for spool gun use or TIG welding.

Dual Procedure capable — Easily select between either two welding procedures or two welding modes.

TECHNICAL SPECIFICATIONS

 

 

 

 

 

 

Dimensions

 

Product

Product

 

Rated Output

Input Current @

 

H x W x D

Net Weight

Name

Number

Input Power

Current/Voltage/ Duty Cycle

Rated Output

Output Range

inches (mm)

lbs.(kg)

Power MIG® 350MP

 

 

 

 

 

 

 

Push-Pull

K2451-2

 

 

 

5-350 Amps

 

 

One-Pak® Model

 

 

300A/32V/60%(1)

 

50-700 ipm WFS

31.8 x 18.9 x 38.8

255

 

 

208/230/460/575/1/60

76/64/37/29A

(1.3-17.7 m/min)

(808 x 480 x 985)

(116)

Power MIG® 350MP

K2403-1

 

 

 

Max. OCV 67V

 

 

Push Model

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1) 40% on 208V input.

 

 

 

 

 

 

 

Publication E7.57 9/07

Web Update 9/08 www.lincolnelectric.com

Lincoln Electric Power MIG 350MP User Manual

A CLOSER LOOK

 

Push-Pull Gun Ready

 

ARC PERFORMANCE

 

TIG

 

 

Multi-Process/Multi-Feed C

 

 

One machine does it all!

 

 

Puls

 

 

Flux-Core

 

 

Spool Gun

 

 

Push-Pull

 

 

Advanced Nextweld® Processes

 

 

Innovations like Pulse-On-Pulse and Power Mode®

 

 

are designed to address specific or difficult

 

 

applications, including aluminum and

 

 

low amperage short arc welding.

 

 

 

Spool Gun

 

3 Ways To Feed Aluminum

Ready

 

MIG/Cored

Stick

• Standard Push Gun

Push Gun

 

• Spool Gun

 

 

 

• Push-Pull

 

 

No PC board add-ons required

 

 

Expanda

 

 

Load in updated or additional welding wavefo

 

 

your needs expand to other materials. Built-i

 

 

computer connector makes upg

 

 

What is Nextweld®?

Nextweld® integrates Lincoln’s technologies, processes and products to create a comprehensive, flexible, user-friendly welding system that can increase efficiency and reduce fabrication costs. Waveform Control Technology® and digital

communications provide the foundation for Nextweld® innovations like Pulse-On-Pulse, Power Mode®. Look for Nextweld® products for ultimate arc control, high efficiency/reliability and seamless system integration.

Lincoln Chopper Technology®

Provides a smooth, stable arc with easy starts, low spatter and excellent bead appearance.

 

 

Chopper Technology® for

Chopper Technology®

Traditional weld control is more

Traditional Reactor Technology

extremely fast response for

CV-Wire Mode

variable around the desired

CV-Wire Mode

smoother output control.

 

output.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power MIG® 350MP

 

 

 

 

 

 

 

 

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A CLOSER LOOK

ARC PERFORMANCE, CON’T.

Lincoln Nextweld® Innovations for Challenging Applications

Waveform Control Technology® makes it possible to take advantage of Lincoln innovations like these patented processes using the Power MIG® 350MP power source:

Pulse-On-Pulse uses a sequence of varying pulse wave shapes to produce a TIG-like bead appearance and excellent weld properties when MIG welding aluminum. Pulse-On-Pulse controls arc length and heat input together, making it easier to achieve good penetration.

For more information see Nextweld® Document NX-2.10

Pulse-On-Pulse on 3 mm Aluminum

Power Mode® uses high-speed regulation of output power to deliver extremely fast response to changes in the arc, for example, when using a whip technique. The result is improved MIG welding performance, including low spatter, very uniform, consistent bead wetting and controlled penetration. Power Mode benefits are especially apparent on low voltage applications on thin steel and stainless steel material less than 20 gauge (0.7 mm). It also delivers excellent arc characteristics on aluminum and other alloys such as silicon bronze and nickel alloys.

For more information see Nextweld® Document NX-2.60

Power Mode reduces spatter and

Power Mode aids bead

improves bead appearance,

wetting and penetration

even for low voltage

on aluminum.

procedures on stainless.

 

PULSE FREQUENCY

 

Peak

 

Pulsed MIG varies weld current between peak (high heat)

 

 

 

and background (low heat) current to provide better control of

Ramp Up

 

 

heat input, which minimizes warping and burnthrough on thin

Tail Out

 

materials. Pulsed MIG also enables flat, horizontal, vertical up,

 

 

 

 

 

or overhead welding without a slag system. It can be used in

Background

 

Step Off

hard automation, robotic, and high production semiautomatic

 

applications. Optimized GMAW-P waveforms are readily avail-

 

 

TIME

 

 

 

 

able to use on aluminum, carbon steel, high strength low alloy

 

 

 

 

 

 

steel, stainless steel, and nickel alloys.

 

 

 

For more information see Nextweld® Document NX-2.70

Low Heat

High Heat

 

 

(Background)

(Peak)

 

 

Synergic MIG

Synergic control of voltage and wire feed speed allows you to set weld procedures with only one control for simplicity and ease of use.

Set the wire feed speed and your voltage is automatically set. Override the setting with the voltage/trim control for personal preference.

2.Voltage is automatically set.

1.Use one knob to set procedures.

Power MIG® 350MP

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