Lincoln Electric LN-7 Manuel utilisateur

Description

Output Input

MIG Flux-Cored Submerged Arc(1)

LN-7 and LN-7 GMA

Semiautomatic Constant Speed Wire Feeders

The LN-7 and LN-7 GMA are semiautomatic constant speed wire feeders that can be

used with a variety of Lincoln engine drives, C or CV power sources in a shop or field

environment. Both models and a Ready-Pak™ package feature Lincoln's unique drive roll

design, which provides positive feeding, quick reloading and durability for long life.

Controlled wire feed speed during starting provides clean, positive starts and minimizes

stubbing, skipping and spatter. For dependable operation and precise wire feeding in a

rugged package, choose the LN-7 or LN-7 GMA.

Publication E8.10 11/03

www.lincolnelectric.com

Processes

Advantage Lincoln Required Options

Order

TECHNICAL SPECIFICATIONS

Recommended General Options

• The LN-7 feeds up to 3/32” (2.4mm) solid and 7/64” (2.8mm)

flu -cored wires, from 50-500 inches per minute (1.3-12.7m/min)

wire feed speed.

• The LN-7 GMA feeds up to 1/16” (1.6mm) solid and 5/64”

(2.0mm) flu -cored wires, from 75-700 inches per minute

(1.9-17.8 m/min) wire feed speed.

• Unique drive roll design provides positive feeding and quick

reloading by simply starting wire into guide tube. The drive

rolls and guide tubes are designed for long life and precise

wire feeding.

• Four-roll wire drive system available for additional wire feed-

ing force and easier feeding of soft wires (LN-7 GMA model

only).

• Completely enclosed case protects the heavy duty wire drive

mechanism from damage, but allows easy access to drive

rolls.

• Control circuit features “cold electrode” when the gun trigger

is released for an added measure of safety.

• Low voltage (24 volts) gun trigger circuit.

• Dynamic braking system stops wire feed motor quickly to

minimize crater sticking problems.

• Three-year warranty on parts and labor.

Recommended Power Source Options

SEMIAUTOMATIC WIRE FEEDERS

11 5

VAC

Gun and Cable Assembly, rive Roll Kit, Control Cable, Weld Power

Cable

K521 LN-7 Wire Feeder (2 Roll)

K440-2 LN-7 GMA (2 Roll) with gas solenoid valve

K567-2 LN-7 GMA (4 Roll) with gas solenoid valve

K1801-1 LN-7 GMA (2 Roll) Ready-Pak™ Wire Feeder

Universal Wire Reel Stand, Insulated Lift Bail, Caster Kit, Swivel

Platform, Spindle Adapter, Readi-Reel Adapter, Coil Adapter, Plastic

Wire Cover, igital Voltmeter, Water Solenoid Kit, Gas Solenoid

Assembly, Gas Guard Regulator, GMA Timer Kit, Burnback Kit,

Magnetic Flux Screen Separator, Flux Screen, Continuous Flux

Feeding Tank Assembly, Undercarriage, Remote Output Control

Kit, Remote Control Adapter

CV-250, CV-300, CV400-I, CV-400, CV500-I, CV-655, V350-PRO,

C-400, C-600, C-655, C-1000

Wire Feed Wire Size Dimensions Net

Product Product Input Rated Output Speed Range Range H x W x D Weight

Name Number Power Current Duty Cycle ipm (m min) in. (mm) in. (mm) lbs. (kg)

Solid Cored

LN-7 K521 115 VAC 600 Amps @ 60% 50-500 .023-3/32 .045-7/64 10.9 x 9.8 x 9.6 24

(2 Roll) 50/60 z (1.3-12.7) (0.6-2.4) (1.2-2.8) (277 x 249 x 244) (10.9)

2.5 Amps

LN-7 GMA K440-2 75-700 .023-1/16 .045-5/64 10.9 x 9.8 x 9.6 26

(2 Roll) (1.9-17.8) (0.6-1.6) (1.2-2.0) (277 x 249 x 244) (10.9)

LN-7 GMA K567-2 75-700 .023-1/16 .045-5/64 11.1 x 11.6 x 9.7 32

(4 Roll) (1.9-17.8) (0.6-1.6) (1.2-2.0) (282 x 295 x 246) (13.8)

(1) LN-7 model only.

Shown with options

LN-7 and LN-7 GMA

www.lincolnelectric.com

[2]

A CLOSER LOOK

PERFORMANCE

• Easy wire feeding with standard 2-roll or optional 4-roll wire drive

system.

• Unique drive roll design provides positive feeding and quick reload-

ing by simply starting wire into guide tube. The drive rolls and

guide tubes are designed for long life and precise wire feeding.

• ynamic braking system stops wire feed motor quickly to

minimize crater sticking problems.

• Solid state control compensates for wire drag and input line

variations to maintain accurate wire feed speed.

QUALITY AND RELIABILITY

• Control circuit features "cold electrode" when the gun trigger is

released for an added measure of safety.

• Completely enclosed case protects the heavy duty wire drive

mechanism from damage, yet allow easy access to rolls.

• Rugged and durable design recognized throughout the industry

for its long life and years of trouble-free wire feeding.

• Manufactured under a quality system certified to ISO 9001

requirements.

• Three-year warranty on parts and labor.

FEATURES

• Tool-less quick release wire drive tension system and gun cable

connections for easy wire or gun changes.

• Can be boom mounted or add optional Universal Wire Reel

Stand, casters and/or swivel platform and mount on power

source for extra versatility.

• Optional time controls for pre-flow and post-flow gas, burnback,

as well as cold inch and gas purge control.

• Optional digital display is easy to read in bright sunlight or dark

working conditions.

• Compatible with many Lincoln power sources including the

CV-250, CV-300, CV400-I, CV500-I, CV-655, V350-PRO, C-400,

C-600, C-655, C-1000, Ranger 250®, Ranger 250 LPG,

Ranger 305G, Ranger 305 , Classic® II, Classic 300G,

Classic 300 , Commander® 300, Vantage® 500,

Air Vantage® 500.

Optional time controls for pre-flow and post-flow gas,

burnback, as well as cold inch and gas purge control.

LN-7 GM (2 roll) Ready-Pak

Wire Feeder Package (K1801-1)

SYSTEM SELECTION

Ready-Pak™ Packages

Take the hassle out of ordering - Order a Ready-Pak™

pre-assembled welding package.

LN-7 GMA 2-Roll Ready-Pak™ Wire Feeder Package

Order K1801-1

• Universal Wire Reel Stand

• 10 ft. Control Cable

• .035-.052 rive Roll

• Guide Tube Kit

LN-7 and LN-7 GMA

www.lincolnelectric.com

[3]

A CLOSER LOOK

Connections are for current equipment design. Subject to change without notice.

CV-250

CV-300

V350-PRO

CV400-I

CV500-I Twist-Mate

14 Pin

Control Cable

Weld Power Cable

Control Cable

Control

Cable

Adapter

Cable

Weld Power Cable

Weld Power

Cable

CV-400

CV-655

C-400

C-600

C-655

Ranger® 250

Ranger 250 LPG

Ranger 305G

Ranger 305

Classic® II (1)

Classic 300G (1)

Classic 300 (1)

Commander® 300

Vantage® 500

Air Vantage® 500

Control Cables

K1818-10 Wire Feeder Control Cable -10 ft.

Extensions

K1797-25 14-pin Extension Control Cable - 25 ft.

K1797-50 14-pin Extension Control Cable - 50 ft.

Semiautomatic

Wire Feeder

Semiautomatic

Wire Feeder

Magnum gun and

cable assembly

Magnum gun and

cable assembly

Magnum gun and

cable assembly

Semiautomatic

Wire Feeder

Control Cables

K1818-10 Wire Feeder Control Cable -10 ft.

K1798 Adapter Cable - 14-pin to Terminal Strip

Extensions

K1797-25 14-pin Extension Control Cable - 25 ft.

K1797-50 14-pin Extension Control Cable - 50 ft.

C-1000

Control Cables

K1818-10 Wire Feeder Control Cable -10 ft.

Extensions

K1797-25 14-pin Extension Control Cable - 25 ft.

K1797-50 14-pin Extension Control Cable - 50 ft.

(1)Requires Wire Feed Module

14 Pin

Stud

Terminal

Strip

INPUT CABLE SELECTION GUIDE

Weld Power Cables

K1840-10 Twist-Mate to Lug, 1/0, 350A, 60% uty Cycle -10 ft.

Weld Power Cables

K1842-10 Lug to Lug, 3/0, 600A, 60% uty Cycle - 10 ft.

K1842-35 Lug to Lug, 3/0, 600A, 60% uty Cycle - 35 ft.

K1842-60 Lug to Lug, 3/0, 600A, 60% uty Cycle - 60 ft.

K1842-110 Lug to Lug, 3/0, 600A, 60% uty Cycle - 110 ft.

Weld Power Cables

K1842-10 Lug to Lug, 3/0, 600A, 60% uty Cycle - 10 ft.

K1842-35 Lug to Lug, 3/0, 600A, 60% uty Cycle - 35 ft.

K1842-60 Lug to Lug, 3/0, 600A, 60% uty Cycle - 60 ft.

K1842-110 Lug to Lug, 3/0, 600A, 60% uty Cycle - 110 ft.

LN-7 and LN-7 GMA

www.lincolnelectric.com

[4]

A CLOSER LOOK

REMOTE OUTPUT CONTROL SELECTION GUIDE

Ranger® 250

Ranger 250 LPG

Ranger 305G

Ranger 305

Commander® 300

Vantage® 500

CV-250

CV-300

CV-400

CV-655

V350-PRO

C-400

C-655

C-600

6 Pin

14 Pin

6 Pin/14 Pin

14 Pin

K864 Adapter

K857

Control Cable

(14 Pin)

Control Cable

(14 Pin)

Connections are for current equipment design. Subject to change without notice.

Cable Type Description

Wire Feeder Control Cable

K1818-10 Male 9 pin to female 14 pin

Wire Feeder Control Cable Extensions

K1797-25 - 25 ft. Male 14 pin to female 14 pin

K1797-50 - 50 ft.

Adapter Cable for Control Cable

to Terminal Strip Power Sources 14 pin control cable to Terminal

K1798 Strip

Order No. Description

K1840-10 Twist-Mate™ to Lug, 1/0, 350A, 60% duty cycle, 10 ft.

K1842-10 Lug to Lug, 3/0, 600A, 60% duty cycle, 10 ft.

K1842-35 Lug to Lug, 3/0, 600A, 60% duty cycle, 35 ft.

K1842-60 Lug to Lug, 3/0, 600A, 60% duty cycle, 60 ft.

K1842-110 Lug to Lug, 4/0, 600A, 60% duty cycle, 110 ft.

LN-7 and LN-7 GMA

www.lincolnelectric.com

[5]

RECOMMENDED OPTIONS

DRI E ROLL AND GUIDE TUBE KITS

456

WELD POWER CABLES

CONTROL CABLES

Steel Wire Sizes: 2 Roll 4 Roll

Solid Wire:

.023 - .025” (0.6 - 0.9 mm) KP653-025S KP655-025S

.030 (.8 mm) KP653-030S KP655-030S

.035-.040 (0.9-1.0 mm) KP653-035S KP655-035S

.045-.052 (1.2-1.4 mm) KP653-052S KP655-052S

Cored Wire:

.035” (0.9 mm) KP653-035C KP655-035C

.045-.052 (1.2-1.4 mm) KP653-052C KP655-052C

7/64 - .120” (2.8 - 3.0 mm) KP653-120C KP655-120C

Solid or Cored Wire:

1/16” (1.6mm) KP653-1/16 KP655-1/16

.068 - 3/32” (1.7 - 2.4 mm) KP653-3/32 (1) KP655-3/32

Hardfacing:

7/64” (2.8 mm) KP653-7/64 –

Aluminum Wire:

.035” (0.9mm) KP654-035A KP656-035A

3/64” (1.2mm) KP654-3/64A KP656-3/64A

1/16” (1.6mm) KP654-1/16A KP656-1/16A

Clutched Aluminum Wire:

.035” (0.9mm) KP1682-035A –

3/64” (1.2mm) KP1682-3/64A –

1/16” (1.6mm) KP1682-1/16A –

1.0 mm KP1682-1.0A –

(1) For LN-7 only.

Magnum Gas-Shielded Gun and

Cable Assemblies

Available 200-550 amps, air-

cooled, gas-shielded welding

guns.

See publication E12.10

Magnum Self-Shielded Gun and

Cable Assemblies

Available 250-600 amps.

See publication E12.110

Magnum Submerged Arc Gun

Rated 500 amps, 15 ft. (4.5m)

cable, for 1/16” (1.6mm) electrode

size.

Order K112

Magnum Submerged Arc Gun

Rated 600 amps, 15 ft. (4.5m)

cable, for 5/64” (2.0mm) electrode

size.

Order K113-1

Magnum Submerged Arc Gun

Rated 600 amps, 15 ft. (4.5m)

cable, for 3/32” (2.4mm) electrode

size.

Order K113-2

Flux Cone

Fits K112 and K113 submerged

arc guns for welding without the

Continuous Flux Feed Tank

Assembly.

Order K119

REQUIRED OPTIONS

Magnum 400 shown

K126 Innershield Gun

shown

LN-7 and LN-7 GMA

www.lincolnelectric.com

[6]

RECOMMENDED OPTIONS

GENERAL OPTIONS

Universal Wire Reel Stand

For use with Lincoln 10-60 lb.

(4.5-27.2 kg) wire packages

that use a 2” (51mm) spindle.

Hole in stand fits over lift bail.

Order K1524-1

Insulated Lift Bail

Allows the entire wire feeder to be

hung from a crane or hook. Use

with K1524-1.

Order K1555-1

Caster Kit - Light Duty

Mounts to the K1524-1 wire reel

stand. Allows for easy movement

of wire feeder.

Order K1556-1

Swivel Platform

Mounts to the lift bail on the

power source and bottom of the

K1524-1. Wire feeder may be lift-

ed off if needed. Compatible with

Light uty Caster Kit. Includes

“lazy susan” parts tray.

Order K1557-1

Spindle Adapter

for Readi-Reels® and Spools

2” O. . spindle for mounting

Readi-Reels and 2” (51mm)

I. . spools up to 60 lb. (27.2 kg)

capacity to custom installations.

Order K162-1

14 lb. Innershield® Coil Adapter

Permits 14 lb. (6 kg) Innershield

electrode coils to be mounted on

2” (51 mm) O. . spindles.

Order K435

8” O.D. Spool Adapter

Permits 8” (200mm) O. . spools

to be mounted on 2” (51mm) O. .

spindles.

Order K468

GENERAL OPTIONS CONT.

22-30 lb. Readi-Reel® Adapter

Adapts 22-30 lb. (10-14 kg)

Lincoln Readi-Reels of electrode

to 2” (51mm) spindle.

Order K363P

50-60 lb. Readi-Reel® Adapter

Adapts 60 lb. (27.2 kg) coils of

Lincoln electrode to 2” (51mm)

spindle.

Order K438

50-60 lb. Coil Adapter

Adapts 50-60 lb. (22.6-27.2 kg)

coils of Lincoln electrode to 2”

(51mm) spindle.

Order K1504-1

Plastic Wire Cover

Plastic enclosure for up to 60 lb.

(27.2kg) wire packages.

Order K1634-2

Digital Voltmeter

Includes digital display, meter

polarity switch and hold feature

for easy checking of procedure.

Order K417

Water Solenoid Kit

Includes solenoid valve, mounting

bracket and quick disconnect gun

and cable hose water connection.

Order K527

Gas Solenoid Assembly

Includes solenoid valve and

mounting bracket. For LN-7

(K521) model only.

Order K494

Gas Guard Regulator

For CO2and argon blend gases.

Reduces surge caused by excess

pressure in supply hose. Includes

adjustable flow regulator with

removable adjustor key.

Order K659-1

LN-7 and LN-7 GMA

www.lincolnelectric.com

[7]

RECOMMENDED OPTIONS

GENERAL OPTIONS CONT.

GMA Timer Kit

Provides delays for preflow and

postflow gas, adjustable burn-

back, and a purge/cold inch

switch. For LN-7 GMA only.

Order K418

Burnback Kit

Provides adjustable delay of power

source output shut off to prevent

electrode sticking in crater when

using high wire feed speeds.

Includes a cold inch switch.

Order K419

Magnetic Flux Screen Separator

For submerged arc welding.

Removes foreign magnetic

particles from reused flux.

Order K58

Flux Screen

For submerged arc welding.

Removes large particles from

reused flux. Includes air-driven

vibrator.

Order K310

Continuous Flux Feeding Tank

Assembly

For submerged arc welding.

Includes air filter, pressure regula-

tor, gauge, tank, 18 ft. (5.4m) flux

hose, funnel and lift bail assembly

to mount wire feeder.

Order K320

Undercarriage

Includes mounting frame, front

casters, rear wheels and handle

for hand towing. For use with

Wire Reel Stand.

Order K163

Remote Output Control Kit

Consists of a control box with

four conductor cable and 6 pin

MS-type connector.

Order:

K857 for 25 ft. cable

K857-1 for 100 ft. cable

GENERAL OPTIONS CONT.

Remote Control Adapter

Y connection adapter for connect-

ing Lincoln 6 pin plug K857 remote

output control kit and 14 pin input

cable assemblies to power

sources with a 14 pin receptacle.

Order K864

LN-7 WIRE FEEDER (2 Roll) K521

LN-7 GMA (2 Roll) with gas solenoid valve K440-2

LN-7 GMA (4 Roll) with gas solenoid valve K567-2

LN-7 GMA (2 Roll) Ready-Pak Wire Feeder Package K1801-1

REQUIRED OPTIONS

Magnum Gas-Shielded Gun and Cable Assemblies see publication E12.10

Magnum Self-Shielded Gun and Cable Assemblies see publication E12.110

Submerged Arc Gun and Cable Assemblies see page 5

rive Roll and Guide Tube Kits see page 5

Control Cable see page 5

Weld Power Cable see page 5

RECOMMENDED GENERAL OPTIONS

Universal Wire Reel Stand K1524-1

Insulated Lift Bail K1555-1

Caster Kit - Light uty K1556-1

Swivel Platform K1557-1

Spindle Adapter for Readi-Reels and Spools K162-1

14 lb. Innershield Coil Adapter K435

8” O. . Spool Adapter K468

22-30 lb. Readi-Reel Adapter K363P

50-60 lb. Readi-Reel Adapter K438

50-60 lb. Coil Adapter K1504-1

Plastic Wire Cover (for up to 60 lb. wire packages) K1634-2

igital Voltmeter K417

Water Solenoid Kit K527

Gas Solenoid Assembly K494

Gas Guard Regulator K659-1

GMA Timer Kit K418

Burnback Kit K419

Magnetic Flux Screen Separator K58

Flux Screen K310

Continuous Flux Feeding Tank Assembly K320

Undercarriage K163

Remote Output Control Kit - for 25 ft. cable K857

- for 100 ft. cable K857-1

Remote Control Adapter K864

RECOMMENDED POWER SOURCE OPTIONS

CV-250 see publication E4.10

CV-300 see publication E4.20

CV400-I see publication E4.20.1

CV-400 see publication E4.30

CV500-I see publication E4.30.1

CV-655 see publication E4.40

V350-PRO see publication E5.91

C-400 see publication E5.20

C-600 see publication E5.40

C-655 see publication E5.46

C-1000 see publication E5.50

TOTAL:

CUSTOMER ASSISTANCE POLICY

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 occa-

sion, 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 guar-

antee 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.

PRODUCT DESCRIPTION ORDER NUMBER QUANTITY PRICE

THE LINCOLN ELECTRIC COMPANY

22801 St. Clair Ave., Cleveland, OH 44117-1199 • 216.481.8100 • www.lincolnelectric.com

LN-7 AND LN-7 GMA ORDER FORM

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.

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