Lincoln Electric Multi Weld 350 Users Manual Operator
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2015-02-09
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MULTI-OPERATOR TM Multi-Weld 350 Connect Several DC+ Welders to One Power Supply. The Multi-Weld 350 is a 350 amp, DC+, 100% duty cycle welder capable of CV-wire, CC-stick or arc gouging. With its high efficiency, the Multi-Weld 350 offers an entirely new and better way to build large structures. This unique system offers a cleaner, safer job site, and allows operators to have high performance welding control right where they need it — at the arc. Processes (DC+ Processes Only) Stick MIG Flux-Cored Description Gouging Output Input 80 VDC Advantage Lincoln Recommended General Options • Independent arcs. Starting or stopping one Multi-Weld doesn’t affect the welding of the others. Distribution Box, Welding Cable Connectors, Input Cables, Remote Output Control, Undercarriage • The Multi-Weld 350 is capable of continuous operation at 350 amps in 122°F (50°C) air temperature. • No control cables are needed. Single weld cable output from the power source to one or several Multi-Weld 350s. Recommended Power Source Options SAE-400, Vantage 500, DC-655, DC-1000, DC-1500 • Controls are located close to the operator for quick access. • High efficiency design uses less than half the power of other grid systems. • Lincoln Chopper Technology™ for quality welds with instant control of the arc for superior welding results. • Constant voltage (CV) for MIG or flux-cored wire welding. • Constant current (CC) for stick welding or arc gouging. • Additional stick welding controls include hot start, arc force, electrode type selection (E7018 and E6010). Recommended Wire Feeder Options LN-15 Across-the-Arc, LN-25 Across-the-Arc Order K1735-1 Multi-Weld 350 • Arc gouging capability with a single Multi-Weld 350 and up to 5/16" (8.0mm) electrode, or with paralleled units for up to 700 amps of power using a 3/8" (9.5mm) electrode. • Manufactured under a quality system certified to ISO 9001 requirements and ISO 14001 environmental standards. • Three-year warranty on parts and labor. TECHNICAL SPECIFICATIONS Product Name Product Number Input Volts Rated DC+ Output Current/Voltage/Duty Cycle Input Current at Rated DC Output (80V DC) Multi-Weld 350 K1735-1 80V DC (50 - 113 Peak Range) 350A / 34V / 100% DC+ 165A Output Range Dimensions HxWxD in. (mm) Net Weight lbs. (kg) 15 - 40 Volts 30 - 350 Amps Max. OCV: 78V 11.6 x 10 x 21.5 (295 x 254 x 546) 59 (27) Publication E5.302 3/05 Web Update 6/05 www.lincolnelectric.com A CLOSER LOOK SUPERIOR WELDING PERFORMANCE • Superior starting compliments the soft, stable welding arc yielding very low spatter levels. Chopper control has an extremely fast response for tighter output control than tradition weld control. Chopper Technology for extremely fast response for smoother output control. • High efficient design and low input current draw means more welding. Chopper Technology CV-Wire Mode Traditional Reactor Technology CV-Wire Mode Traditional weld control is more variable around the desired output. Patented and award-winning Lincoln Chopper Technology delivers superior DC arc welding performance for general purpose stick, Downhill Pipe, DC TIG, MIG, cored-wire and arc gouging. Benefits of Chopper Technology include: - Easy arc starting Smooth arc action Low spatter levels Excellent bead appearance FEATURES • Each Multi-Weld 350 has easy-to-use controls and a large control knob designed for gloved hands. • Digital meters show preset values before welding and actual values while welding. Memory holds the values for 5 seconds after welding stops. • Convenient carrying handles and skids double as extra protection from abuse in the field. Key Controls 1) 2) 3) 4) 5) 6) 7) 8) Large, Easy to Read, Presettable Digital Amp Meter Off/CC/CV Switch Large, Easy to Read, Presettable Digital Volt Meter Input Voltage OK Light Large Control Knob for Gloved Hands Remote Control Connection Optimized Arc Switch for E7018 or E6010 Type Electrodes “Pig Tail” Cables for Custom Quick Connectors. Front and rear routings. 9) 10 ft. (3m) Work Clamp Lead 10) Arc Force Control 11) Hot Start Control For Fast and Easy Starts 12) Thermal Protection Trip Indicator Light 1 2 3 12 4 5 6 11 7 10 8 Access Door Removed for Clarity 9 A single weld cable output from the power source to a distribution box connects several work stations equipped with Multi-Weld 350s. [2][2] Multi-Weld 350 www.lincolnelectric.com A CLOSER LOOK QUALITY AND RELIABILITY • Printed circuit boards are environmentally-shielded using Lincoln's engineered potting and protective frame trays. • Thermostat and voltage overload protection. • Fan-As-Needed – solid state controlled fan operates cooling fan only when needed. Minimizes power consumption, operating noise and dust intake. SYSTEM SELECTION HOW MANY KILOWATTS DOES YOUR PROCESS REQUIRE? Description Diameter in. (mm) Flux-Cored Wire Gas-Shielded .035 (0.9) .035 (0.9) .045 (1.2) 300 ipm WFS, 130A, 24V 600 ipm WFS, 195A, 30V 300 ipm WFS, 185A, 28V 500 ipm WFS, 255A, 29V 250 ipm WFS, 210A, 26V 450 ipm WFS, 315A, 29V 200 ipm WFS, 255A, 26V 350 ipm WFS, 350A(2), 29V 200 ipm WFS, 280A, 30V 300 ipm WFS, 350A(2), 32V 150 ipm WFS, 120A, 19V 250 ipm WFS, 175A, 22V 125 ipm WFS, 145A, 19V 200 ipm WFS, 200A, 21V 130A, 27V 225A, 28V 260A, 27V 120A, 36V NOTE: E6010 stick electrodes require higher voltage to “whip” properly. Higher voltage power sources are recommended. 350A(2),, 34V 700A(2),, 34V Requires two Multi-Weld 350s in parallel. .052 (1.3) 1/16 (1.6) Flux Cored Wire Self-Shielded MIG Wire 5/64 (2.0) .035 (0.9) .045 (1.2) Stick (7018) Stick (7024) Stick (6010) 1/8 (3.2) 3/16 (4.8) 3/16 (4.8) 1/8 (3.2) Air Carbon Arc Gouging 1/4 (6.4) 3/8 (9.5) Process Kilowatts Used(1), 3.4 6.4 5.7 8.1 6.0 10.4 7.3 11.2 10.1 13.7 2.5 4.2 3.0 4.6 3.9 6.9 7.7 4.7 13.1 26.2 (1) Power Source KW = (KW)arc1 + (KW)arc2 + (KW)arcN(simultaneous) = KW input to Multi-Weld 350 .91 eff. (2) Maximum rated output of Multi-Weld 350. POWER SOURCE/KILOWATTS AVAILABLE Power Source R3R-400 R3R-500 DC-600 DC-655 DC-1000 DC-1500 Classic 300D SAE-400 Vantage 300(2) Vantage 500(1) Air Vantage 500(1) 4 Kilowatts Available @60V Output 12 12 15 36 30 94 12 22 4.8 5 5 System Selection is determined by kilowatts available on the power source. Note: For maximum output, set power source on Constant Current and select maximum output. Constant Voltage power sources are not recommended. (1) Air Vantage and Vantage 500 output is 12 kW @ 58 volts. (2) Vantage 300 output is 7 kW @ 58 volts. [3] Multi-Weld 350 www.lincolnelectric.com A CLOSER LOOK SYSTEM SELECTION POWER SOURCE WITH 72V MINIMUM OCV (OPEN CIRCUIT VOLTAGE) ACROSS THE ARC WIRE FEEDER (DC+ ONLY) 3 5 4 4 5 700 AMP ARC GOUGING TORCH SYSTEM SELECTION Product Product Number 1. 2. 3. 4. 5. Power Source Input Cable, 4/0 - 100 ft. .......................................... L-4/0-100 Distribution Box ........................................................ K1736-1 Input Cable, 1/0 - 25 ft............................................... L-1/0-25 Welding Cable Connectors Twist-Mate Male Connector.................................... K852-70 Twist-Mate Female Connector ................................ K1759-70 6. Multi-Weld 350s ........................................................ K1735-1 7. LN-25 ........................................................................ K449 PROCESS CAPABILITIES Process Electrode Wire/Stick Electrode Polarity Shielding Gas Mild Steel FCAW Gas-Shielded Wire .045" (1.2mm) UltraCore 71A75 Dual Positive (DC+) CO2 or Blended Mild Steel Composite MIG .045" (1.2mm) Metalshield MC-6 Positive (DC+) Blended Mild Steel FCAW Self-Shielded Wire 5/64" (2.0mm) Innershield® NS-3M Only Positive (DC+) None Required (Self-Shielded) Hardfacing Self and Gas-Shielded .045 - 5/64" (1.2-2.0mm) Lincore® Positive (DC+) As Required Steel or Stainless SMAW, Stick 3/32" - 1/4" (2.4-6.4mm) Excalibur® 7018 and Fleetweld® 6010 Positive (DC+) None Required (Stick Electrode) Mild Steel or Stainless MIG .025" - .052" (0.6-1.3mm) Super ArcTM L-50 and L-56 and Blue MaxTM Positive (DC+) CO2 or CO2Ar Blended or Tri Mix Aluminum MIG 3/64" - 1/16" (1.2-1.6mm) SuperGlazeTM 4043 and 5356 Positive (DC+) 100% Argon Air Carbon Arc Gouging 5/32" - 5/16" (4.0-8.0mm) Positive (DC+) Compressed Air Multi-Weld 350 [4] [4] www.lincolnelectric.com RECOMMENDED OPTIONS GENERAL OPTIONS GENERAL OPTIONS CONT. Distribution Box Makes connecting up to 10 Multi-Weld 350’s quick and easy. Contains copper bus bar for connecting multiple “pig-tails”. Four “pig tails” included. Order K1736-1 Remote Output Control Provides 25 ft. or 100 ft. (7.6m or 30m) of remote output control. Connects to 6-pin receptacle on front of Multi-Weld 350. Order K857 — 25 ft. cable. Order K857-1 — 100 ft. cable. Twist-Mate Cable Plug For connecting welding cable to output terminal receptacles. For 1/0-2/0 (50-70mm2) cable. Order K852-70 Undercarriage Valet style undercarriage with unique pull-out handle. Provides torch cable storage (up to 50 ft. lengths), work cable storage and input cord wrap for the ultimate in portability. Order K1838-1 Twist-Mate Cable Plug For connecting welding cable to output terminal receptacles. For 2/0-3/0 (70-95mm2) cable. Order K852-95 WIRE FEEDER OPTIONS LN-15 Across-The-Arc Wire Feeder Portable, lightweight, compact CC/CV unit for flux-cored and MIG welding. Includes gas solenoid, adjustable flow meter and internal contactor. For 10-15 lb. (4.5 - 6.8 kg) spools. For more information, see publication E8.60. Order K1870-1 Twist-Mate Cable Receptacle For connecting welding cable to Twist-Mate cable plug. For 1/0-2/0 (50-70mm2) cable. Order K1759-70 Twist-Mate Cable Receptacle For connecting welding cable to Twist-Mate cable plug. For 2/0-3/0 (70-95mm2) cable. Order K1759-95 LN-25 Across-the-Arc Wire Feeder Designed to run “across-the-arc” with no control cables. This portable wire feeder offers constant wire feed speed in a rugged case. For more information, see publication E8.100. Order K449 [5] Multi-Weld 350 www.lincolnelectric.com MULTI-WELD SYSTEM ORDER FORM PRODUCT DESCRIPTION ORDER NUMBER MULTI-WELD 350 K1735-1 Recommended General Options Distribution Box Twist-Mate Cable Plug 1/0-2/0 (50-70mm2) Twist-Mate Cable Plug 2/0-3/0 (70-95mm2) Twist-Mate Cable Receptacle 1/0-2/0 (50-70mm2) Twist-Mate Cable Receptacle 2/0-3/0 (70-95mm2) Input Cable, 1/0 - 25 ft. (7.6m) Input Cable, 4/0 - 100 ft. (30m) Remote Output Control - 25 ft. (7.6m) Remote Output Control - 100 ft. (30m) Undercarriage K1736-1 K852-70 K852-95 K1759-70 K1759-95 L-1/0-25 L-4/0-100 K857 K857-1 K1838-1 Recommended Power Source Options SAE-400 Vantage 500 DC-655 DC-1000 DC-1500 See See See See See Recommended Wire Feeder Options LN-15 Across-the-Arc LN-25 Across-the-Arc K1870-1 K449 publication publication publication publication publication QUANTITY PRICE E6.180 E6.216 E5.46 E5.50 E5.60 TOTAL: C U S T O M E R A S S I S TA N C E P O L I C Y The business of The Lincoln Electric Company is manufacturing and selling high quality welding equipment, consumables, and cutting equipment. Our challenge is to meet the needs of our customers and to exceed their expectations. On occasion, purchasers may ask Lincoln Electric for advice or information about their use of our products. We respond to our customers based on the best information in our possession at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such information or advice. We expressly disclaim any warranty of any kind, including any warranty of fitness for any customer’s particular purpose, with respect to such information or advice. As a matter of practical consideration, we also cannot assume any responsibility for updating or correcting any such information or advice once it has been given, nor does the provision of information or advice create, expand or alter any warranty with respect to the sale of our products. Lincoln Electric is a responsive manufacturer, but the selection and use of specific products sold by Lincoln Electric is solely within the control of, and remains the sole responsibility of the customer. Many variables beyond the control of Lincoln Electric affect the results obtained in applying these types of fabrication methods and service requirements. Subject to Change – This information is accurate to the best of our knowledge at the time of printing. Please refer to www.lincolnelectric.com for any updated information. T H E L I N C O L N E L E C T R I C C O M PA N Y 22801 St. Clair Ave., Cleveland, OH 44117-1199 • 216.481.8100 • www.lincolnelectric.com
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