Miller Electric MPS-20FT User Manual download pdf

Processes

TIG (GTAW)

Pulsed TIG (GTAW-P)

Stick (SMAW)

Air Carbon Arc (CAC-A)

350: 1/4 in maximum

700: 3/8 in maximum

Input Power 208–575 V, 3- or 1-Phase

Amperage Range 350: 3–350 A

700: 5–700 A

Rated Output 350: 300 A at 32 V, 60% Duty Cycle

700: 600 A at 44 V, 60% Duty Cycle

Weight 350: 135.5 lb (61 kg)

700: 198 lb (90 kg)

Industrial Applications

Precision Fabrication

Heavy Fabrication

Pipe and Tube Fabrication

Aerospace

Aluminum Ship Repair

Anodized Aluminum Fabrication

Quick

Specs

Dynasty

350 and 700

TIG/Stick Welding

Power Source

Issued January 2011 • Index No. AD/5.0

The Power of Blue

Power source is warranted for 3 years, parts and labor.

Original main power rectifier parts are warranted for 5 years.

Allows for

any input

voltage hookup (208–575 V)

with no manual linking, providing

convenience in any job setting. Ideal

solution for dirty or unreliable power.

Meter calibration allows meters to

be calibrated for certification.

120 V auxiliary power receptacle

for cooling system or small tools.

Wind Tunnel Technology

™

protects

internal electrical components

from airborne contaminants,

extending the product life.

Fan-On-Demand

™

power source

cooling system operates only when

needed, reducing noise, energy use

and the amount of contaminants

pulled though the machine.

Blue Lightning

™

high-frequency arc

starter for non-contact arc initiation.

Provides more consistent arc starts

and greater reliability compared to

traditional HF arc starters. Easy to

set and increases productivity.

Lift-Arc

™

start provides AC or DC

arc starting without the use of

high frequency.

Program memory features 9

independent program memories

that maintain/save your parameters.

Auto-postflow calculates the length

of postflow time based on the

amperage setting. This eliminates

the need to independently set

the postflow time for different

amperages. This feature preserves

your tungsten and prevents porosity.

Stick Features (AC/DC)

Tailored arc control (DIG) allows the arc characteristic

to be changed for specific applications and electrodes.

Smooth running 7018 or stiffer, more penetrating 6010.

Hot Start

™

adaptive control provides positive arc starts

without sticking.

AC frequency control adds additional stability when Stick

welding in AC for smoother welds.

AC TIG Features

Independent amplitude/amperage

control allows EP and EN

amperages to be set independently

to precisely control heat input to

the work and electrode.

Extended AC balance (30–99%)

controls the amount of oxide

cleaning (amperage time in EN)

which is essential for high quality

welds on aluminum.

AC frequency (20–400 hz) controls

the width of the arc cone and the

force of the arc.

AC Waveforms

Advance squarewave, fast

freezing puddle, deep

penetration and fast travel speeds.

Soft squarewave for a soft

buttery arc with maximum

puddle control and good wetting action.

Sine wave for customers

that like a traditional arc.

Quiet with good wetting.

Triangular wave reduces the

heat input and is good on

thin aluminum. Fast travel speeds.

DC TIG Features

Exceptionally smooth and precise

arc for welding exotic materials.

High-speed DC TIG pulse controls.

Pulse frequency capable of pulsing

5000 pulses per second. Pulsing

adds arc stability, reduces heat input

and warpage and can increase travel

speeds. Other parameters include

peak amperage, peak time and

background amperage.

Dynasty 350 Complete Package

with Wireless Foot Control

Dynasty 350

machine only

Miller Electric Mfg. Co.

An Illinois Tool Works Company

1635 West Spencer Street

Appleton, WI 54914 USA

Web Site

www.MillerWelds.com

Equipment Sales US and Canada

Phone: 866-931-9730

FAX: 800-637-2315

International Phone: 920-735-4554

International FAX: 920-735-4125

aluminumfiller.

Miller recommends

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - 350 and 700

ProcessesTIG (GTAW) Pulsed TIG (GTAW-P) Stick (SMAW) Air Carbon Arc (CAC-A) 350: 1/4 in maximum 700: 3/8 in maximumInput Power 208–575 V, 3- or 1

Page 2 - Control Panel

2Control PanelInputPowerThree-PhaseSingle-PhaseThree-PhaseSingle-PhaseRated Output250 A at 30 V, 100% Duty Cycle300 A at 32 V, 60% Duty Cycle180 A at

Page 3 - Performance Data

UPGRADEUPGRADEUPGRADEUPGRADEUPGRADEUPGRADEUPGRADEUPGRADE1/2 in AluminumContinuous HFFixed at 60 HzSoft Squarewave496 lbManual Links208/230/460 VSingle

Page 4 - AC Waveshape Controls

4AC Waveshape ControlsFeature Waveform Effect on Bead Effect on Appearance0CurrentEN –EP+Time0CurrentEN –EP+TimeIndependent AC Amperage Control Allows

Page 5 - Pulse TIG Controls

5SINEWAVE TRIANGULAR WAVEADVANCED SQUAREWAVE SOFT SQUAREWAVEAC Waveform Selection Select from four different AC waveforms to optimize the arc characte

Page 6 - Packages

Dynasty®Power SourcesTIGRunner®PackagesComplete Packages6PackagesDynasty®350 #907 204 (CSA)(Auto-Line™208–575 VAC)Dynasty®350 #907 204-02-1 (CE)

Page 7 - Genuine Miller Accessories

Runner Cart #300 244Designed to accommodateDynasty®or Maxstar®350or 700 power sources and aCoolmate™3.5 Cooler. Cartfeatures single cylinder rack,f

Page 8 - Ordering Information

Litho in USADistributed by:Equipment and Options Stock No. Description