GMAW Practical Slide Show- FINAL

7/24/2019 GMAW Practical Slide Show- FINAL

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CWB INSTITUTECWB INSTITUTE GAS METAL ARC WELDING: PRACTICAL

PRACTICALHalton Secondary School Teachers:

WELDING TRAINING SEMINAR


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GMAW Practical

!

After completing this learning unit you should be able to:

Identify the correct set up of GMAW equipment

Perform correct set up and adjustment of GMAW equipment for

welding

Perform welds using the GMAW process applied to common jointsand positions


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Welding

Machine

Positive terminal (+)

Work

Negative terminal (-)

Negative terminal (-)

Positive terminal (+)

Welding

Machine Work


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1 AL

FCAW

GMAW

234

56

45 6

CAUTION: PARTS MAY BE

AT WELDING VOLTAGE

ATTENTION: LES PIECES

PEUYENT ETRE ALA

TENSION DE SOUDAGE

ELECTRIC

SHOCK

can kill

!

G R O U P

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Guide Tubes


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Correct Too much


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Brake Tension Adjustment


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GMAW Practical

Gun Liner

Gas Nozzle

Contact Tip

Gas Diffuser

Insulator

Conductor Tube

Handle


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Contact Tip

Gas Diffuser


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Gas cup

Contact tip

3 - 4 mm


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Gun Connection to

Feeder Power Block

Trigger Connection


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60

20

10

30

40 50

TH

IS IM

AG

ECOPYRIGHT

CWBGROUP

3000

30004000

500

1000

1500 20002500psi

USE NO OIL

CARB

ON

DIO

XIDE

ARG

ON

THIS

IMAGE

COPY

RIG

HT

CW

BGROUP

CFH

60

30

1020

40 50

USE

NO

OIL

10

20

30

40

50

60

70

CO2

250

500

750

1000

1250

1500

psi = powe

psi

psi

REORDER

2000

4000

6000

8000

= kPa

100

00

10

20

30

40

50

60

70

Ar


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10

20

30

40

50

60

70

Ar

20

30

40

50

60

70

Ar

X/%%&4. a,4/%%&4.


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12mm


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End View

2

3

4

56

1

10 - 15

45

40

Travel

Side View


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GMAW Practical

End View

40 - 50

10 - 15

Travel

Side View


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10 mm

50 mm50 mm

6 mm25 mm

50 mm

100 mm

200 mm

Typ.5


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GMAW Practical

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GMAW Practical Slide Show- FINAL