ESAB A6 SFF1C Compact 500 User manual

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SEGURIDAD 2................................................

DESCRIPCION TECNICA 3....................................

INSTALACION 4..............................................

OPERACIÓN 7...............................................

MANTENIMIENTO 8...........................................

LOCALIZACION DE AVERIAS 9................................

INSTRUCCIONES DE CONEXIÓN PARA LAS PEG1 Y A6 VEC 10...

SICUREZZA 12................................................

DESCRIZIONE TECNICA 13....................................

INSTALLAZIONE 14............................................

USO 17.......................................................

MANUTENZIONE 18...........................................

RICERCA GUASTI 19..........................................

ISTRUZIONI PER IL COLLEGAMENTO DI PEG1 E A6 VEC 20......

SEGURANÇA 22...............................................

DESCRIÇAO TÉCNICA 23......................................

INSTALAÇÃO 24...............................................

FUNCIONAMENT O 27..........................................

MANUTENÇÃO 28.............................................

ANÁLISE DE AVARIAS 29.......................................

INSTRUÇÕES DE LIGAÇÃO PARA PEG1 E A6 VEC 30............

SAFETY 32....................................................

TECHNICAL DESCRIPTION 33..................................

INSTALLATION 34.............................................

OPERATION 37................................................

MAINTENANCE 38.............................................

TROUBLESHOOTING 39.......................................

CONNECTION INSTRUCTIONS FOR PEG1 AND A6 VEC 40.......

ÁÓÖÁËÅÉÁ 42.................................................

ÔÅ×ÍÉÊÇ ÐÅÑÉÃÑÁÖÇ 43.......................................

ÅÃÊÁÔÁÓÔÁÓÇ 44.............................................

ËÅÉÔÏÕÑÃÉÁ 48................................................

ÓÕÍÔÇÑÇÓÇ 49................................................

ÁÍÁÆÇÔÇÓÇ Ó ÖÁËÌÁÔÙÍ 50..................................

ÁÍÁËÙÓÉÌÁ ÁÍÔÁËËÁÊÔÉÊÁ 51..............................

CROQUIS ACOTADO - DIMENSIONI - ESBOÇO COM DIMENSÕES

- DIMENSION DRA WING -- ÏÄÇÃÉÁ ÓÕÍÄÅÓÇÓ 52.......

ESQUEMA - SCHEMA - ESQUEMA - DIAGRAM --

ÄÉÁÔÁÎÅÉÓ ÓÕÍÄÅÓÇÓ 53...............................

PIEZAS DE DESGASTE - PARTI DI USURA - PEÇAS EXPOSTAS A DES-

GASTE - WEAR COMPONENTS -- Ó×ÅÄÉÁÃÑÁÌÌÁÔÁ 54...

Reservado el derecho de cambiar las especificaciones sin previo aviso.

Specifiche senza preavviso.

Reservamo--nos o direito de alterar as especificações sem aviso prévio.

Rights reserved to alter specifications without notice.

Äéáôçñåßôáé ôï äéêáßùìá ôñïðïðïßçóçò ðñïäéáãñáöþí ×ùñßò ðñïåéäïðïßçóç.

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mmvarnea

WARNING

ARC WELDING AND CUTTING CAN BE INJURIOUS TO YOURSELF AND

OTHERS. TAKE PRECAUTIONS WHEN WELDING. ASK FOR YOUR

EMPLOYER’S SAFETY PRACTICES WHICH SHOULD BE BASED ON MANU--

FACTURER’S HAZARD DATA.

ELECTRIC SHOCK -- Can kill

S Install and earth the welding unit in accordance with applicable standards.

S Do not touch live electrical parts or electrodes with bare skin, wet gloves or

wet clothing.

S Insulate yourself from earth and the workpiece.

S Ensure your working stance is safe.

FUMES AND GASES -- Can be dangerous to health

S Keep your head out of the fumes.

S Use ventilation, extraction at the arc, or both, to keep fumes and gases from

your breathing zone and the general area.

ARC RAYS -- Can injure eyes and burn skin

S Protect your eyes and body. Use the correct welding screen and filter lens

and wear protective clothing.

S Protect bystanders with suitable screens or curtains.

FIRE HAZARD

S Sparks (spatter) can cause fire. Make sure therefore that there are no

inflammable materials nearby.

NOISE -- Excessive noise can damage hearing

S Protect your ears. Use ear defenders or other hearing protection.

S Warn bystanders of the risk.

MALFUNCTION

S Call for expert assistance in the event of malfunction.

READ AND UNDERSTAND THE OPERATING MANUAL

BEFORE INSTALLING OR OPERATING.

PROTECT YOURSELF AND OTHERS!

SAFETY

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SAFETY

Users o f ESAB automatic welding machines have ultimate responsibility for ensuring

that anyone who works on or near the equipment observes all the relevant safety

precautions.

The following recommendations should be observed in addition to the standard re-

gulations that apply to the work place.

All work must be carried out according to the specified instructions by personnel who

are thoroughly familiar with the operation of the welding machine.

Incorrect or unintentional operation of the equipment may lead to a hazardous situ-

ation which can result in injury to the operator and damage to the equipment.

1. Anyone who uses the automatic welding machine must be familiar with:

S its operation

S the location of emergency stops

S its function

S relevant safety precautions

To make this easier each switch, pushbutton or potentiometer is marked with a

symbol or text that indicates its function when activated.

2. The operator must ensure that:

S no unauthorized person is stationed within the working area of the machine

when it is started up.

S that no--one is in a hazardous position when the carriage or slide mechan-

isms are operated.

3. The work place must:

S be clear of mechanical components, tools, or other obstructions that could

prevent the operator from moving freely within the working area.

S be organized so that there is free access to the emergency stop.

4. Personal safety equipment

S Always wear recommended personal safety equipment, such as safety

glasses, flame--proof clothing, safety gloves.

S Do not wear loose--fitting items, such as scarves, bracelets, etc., which could

become trapped.

5. General precautions

Live electrical components are normally shielded from accidental contact.

S Make sure the return cable is connected securely.

S Work on high voltage components may only be carried out by a qualified

electrician.

S Appropriate fire extinguishing equipment must be clearly marked and close

at hand.

S Lubrication and maintenance must not be carried out on the equipment dur-

ing its operation.

TECHNICAL DESCRIPTION

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TECHNICAL DESCRIPTION

The A6 SFF1C automatic welding machine is designed for submerged arc welding of

butt and fillet joints. It can be mounted on a carrier such as a column and boom or

rail-- mounted carriage. The welding machine can also be used inside pipes having a

minimum diameter of 500 mm.

The automatic welding machine should be installed using M12 bolts. (Make sure the

bolts do not touch the bottom of the insulator, which has a thread depth of 14 mm).

It must be firmly secured to prevent it working loose.

TECHNICAL DATA

Maximum load AC/DC continuous 1500 A

Wire diameter, solid single wire max. 4,0 mm

Wire feed speed 0,2--4,5 m/min

Cross--slide adjustment range 60 mm

Weight (excl. flux) 50 kg

Flux container volume 1L

Brake hub braking torque 1,5 Nm

Supply voltage 42 V AC

Continuous A--weighted noise level 68 dB

See dimension drawing on page 51.

INSTALLATION

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INSTALLATION

1. Wire feed motor A6 VEC, see operators’ manual 443 393.

2. Control unit PEG1, see operators’ manual 443 392.

3. Connect the welding machine as shown in the schematic drawing on page 52.

S DC:

Connect control cable (008) between the power source (001) and control unit

PEG1 (002).

Connect the cable with lugs (007) between the power source (001) and

shunt.

Connect the wire to the positive terminal.

S AC:

Connect the control cable (008) between the filler wire unit (011) and control

unit PEG1.

Connect the filler wire unit (011) to the power source (010).

Connect the welding cable (007) from the power source transformer to the

shunt.

4. Connect the return cable between the power source (001, 010) and work piece.

5. Connect the meter lead (009) between the work piece and power source (001,

010) or between the work piece and control unit PEG1 (e.g. if a power source of

a different make is used).

6. Connect the motor (003) with gear A6 VEC to control unit PEG1 (002).

7. Check that the control unit PEG1 is connected as shown in the table on page 40

”Connection instructions for PEG1 and wire feed gearbox A6 VEC” and that the

gear ratio and rotor speed match the figures given.

8. If a motor driven cross--slide is fitted, see operating manual 443 394.

9. If A6 GMD joint tracking equipment is fitted, see operators’ manual 443 403.

10. Choose the wire and flux composition so that the final weld metal analysis will

closely match the base material. Use the wire diameter and welding parameters

recommended by your consumable supplier.

INSTALLATION

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11. Installation of welding wire.

S Remove the wire reel from the brake hub (2)

and remove the end plate (3).

S Place the wire coil (1) o n the reel and refit

the end plate (3).

S Fit the wire reel or disposable reel on the

brake hub (2).

NOTE the position of the locating stud.

IMPORTANT

To prevent the wire reel slipping off the hub;

Lock it on the hub by turning the red knob,

as instructed in the directions placed next to

the hub.

See also diagram on right

S Check that the feed roller (1) and contact jaws (3) are the correct size.

If using large wire (3--4 mm):

S Remove the ties from the

coil of wire.

S Feed out the end of

the wire.

S Straighten the wire.

S Release the wire conduit from the

clamp (7) on the welding machine

and feed out the wire. About 0.5 m

of wire should project out of the wire

conduit.

S Benda90_ angle on the wire so it

can be fed down into the contact tip.

S Re--attach the wire conduit in the

clamp (7) on the welding ma-

chine.

S Guide the wire through the groove in the

feed roller (1). Make sure the wire runs

under the guide roller (6) just in front of

the wire conduit clamp.

S Adjust the feed roller (1) pressure on the wire using the pressure screw (4).

NOTE! Do not tighten more than necessary to ensure smooth feeding.

Do not tighten the pressure screw all the way, some travel should remain.

12. Feed the wire forward using switch A02 on the PEG unit.

13. At the same time adjust the knob (5) on the wire straightener. When the wire

straightener is correctly adjusted the wire should be straight when it leaves the

contact jaws (3).

INSTALLATION

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14. Replacing the feed roller.

S Unscrew knob (5) and pressure screw (4)

S Unscrew the handwheel (2)

S Replace the feed roller. The wire size is marked on the rollers,

see the table on page 53.

15. Contact equipment

Single wire max. 4mm.

Use contact tip D35 with contact jaws

S Use standard wire straightener for A6 consisting of one fixed and one adjust-

able straightening roller.

S Fit the contact jaws using the M5 bolts that are supplied with it. Fit one part

of the jaws in the fixed contact tip and the other part in the loose half of the

split contact tip.

S Fit the loose half with the contact jaw in position under the pressure screw

and tighten fully to ensure good contact between the contact jaw and the

wire.

16. Filling with flux

S The flux container should b e f illed b y connecting it to a pressurised flux tank

(type TPC 75).

The flow of flux into the flux container is automatically regulated at the inlet

pipe. When the flux level falls below the inlet pipe new powder is supplied

from the p ressurised flux tank. NOTE! Flux must be kept dry. Avoid using

agglomerated flux outdoors or in a wet environment.

S Adjust the height of the flux nozzle o ver the joint to produce a suitable flow of

flux. The flux coverage should be sufficient to prevent the arc showing

through.

WARNING!

Rotating parts can cause injury, take great care.

OPERATION

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OPERATION

1. Careful joint preparation is essential for good welding results.

NOTE! The gap in the weld joint must be uniform.

2. To minimize the risk of hot cracking the width of the weld should be larger than

the penetration.

3. Always weld a test piece with the same joint preparation and plate thickness as

the intended production piece.

NOTE! NEVER make a trial weld on a production work piece.

Operating instructions for control box PEG1

See operating manual PEG1 order no. 443 392.

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MAINTENANCE

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MAINTENANCE

Control unit PEG1, see operators’ manual 443 392.

Wire feed motor A6 VEC, see operators’ manual 443 393.

Daily

S Keep moving parts of the welding machine free from dust and flux.

S Make sure all electrical cables and hoses are properly connected and undam-

aged.

S Make sure all bolted joints are tight.

S Check the braking torque of the brake hub. It should be sufficient to stop the wire

reel rotating when wire feed stops but not so high that the feed rollers slip. The

recommended braking torque for a 30 kg wire reel is 1.5 Nm.

Adjusting the brake torque:

S Turn the locking button (006)

to the locked position

S Insert a screwdriver in the

hub springs. Turn the

springs (002) clockwise to re-

duce the torque.

S Turn the springs anticlockwise to increase the braking torque.

NOTE! Turn each spring the same distance.

Regularly

S Once every three months check the wire feed motor brushes, replace them when

they are worn down to 6 mm.

S Check the cross --slides and lubricate if stiff.

S Check the wire guides and drive rollers on the wire feed unit. Replace any com-

ponents that are worn or damaged. See Wear components on page 53.

TROUBLESHOOTING

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TROUBLESHOOTING

Equipment

S Manual for control box PEG1, order no. 443 392.

S Manual for motor with gear A6 VEC, order no. 443 393.

Check

S that the welding power supply is connected for the correct mains

voltage

S that all three phases are giving the correct voltage

(phase sequence not important)

S that the welding cables and connections to them are not damaged

S that the controls are in the right positions

S that the mains supply is disconnected before starting repairs

POSSIBLE FAULTS

1. Symptom Current and voltage show fluctuating values on digital display.

Cause 1.1 Contact jaws or contact tip are worn or wrong size.

Action Replace contact jaws or contact tip.

Cause 1.2 Pressure on feed rollers is inadequate.

Action Increase pressure on feed rollers.

2. Symptom Wire feed is irregular.

Cause 2.1 Pressure on feed rollers is incorrectly adjusted.

Action Adjust pressure on feed rollers.

Cause 2.2 Feed rollers wrong size.

Action Change feed rollers.

Cause 2.3 Groove in feed rollers is worn.

Action Replace feed rollers.

3. Symptom Welding cables overheat.

Cause 3.1 Poor electrical connection.

Action Clean and tighten all electrical connections.

Cause 3.2 Welding cables too small.

Action Increase dimension of cables or use parallel cables.

40

CONNECTION INSTRUCTIONS FOR PEG1 AND A6 VEC

W

i

W

l

d

i

h

d

C

Switch

(

f

d

b

k

)

S

w

i

t

c

h

(

9

)

Control card

t

i

A6 VEC

Wire Welding m et hod Current

(

feed--bac

k

)

Front PEG1 *

S

w

i

t

c

h

(

9

)

Sequence card *

connection

Control card *

Gear ratio

Rotor speed

r/min

Single wire

2,5--6 mm

Submerged arc

welding

DC Position1or2 Up

X--1

B--7

156:1 4000

Single wire

2,5--6 mm

Submerged arc

welding

AC Position 1 Up

X--1

B--7

156:1 4000

Twin wire

2x1,2 -- 3,0 mm

Submerged arc

welding

DC Position 1 Down

X--1

B--7

156:1

(74:1)

4000

Strip

0,5x30 -- 100 m

Submerged arc

welding

DC Position 1 Up

X--1

B--7

156:1 4000

Carbon electrode

8,0--12,7 mm

Arc--air gouging DC Position 2 Up

X--1

B--7

156:1 4000

* See operators’ manual PEG1 443 392.

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ESAB AB

SE--695 81 LAXÅ

SWEDEN

Phone +46 584 81 000

Fax +46 584 123 08

www.esab.net

020219

ESAB subsidiaries and representative offices

Europe

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For addresses and phone

numbers to our distributors in

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