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B-21

OPERATION

B-21

 

 

 

MACHINE FUNCTIONALITY BY WELD PROCESS

GMAW (SYNERGIC)

Use the following tables to review how the machine functions (output controls, arc control, Start options and weld options) for the weld modes listed in the top table.

SYNERGIC CV MODES

MATERIAL

PROCESS

GAS

 

WIRE SIZE

 

 

 

 

0.030

0.035

0.045

0.052

Steel

GMAW

CO2

---

10

20

24

Steel

GMAW

Ar(Mix)

94

11

21

25

Stainless

GMAW

Ar(Mix)

61

31

41

---

 

 

 

 

 

 

 

Stainless

GMAW

Ar/He/CO2

63

33

43

---

Aluminum 4043

TIG

Ar

---

148

71

---

Aluminum 5356

TIG

Ar

---

151

75

---

Metal Core

GMAW

Ar/CO2

---

---

---

---

 

 

 

 

 

 

 

OUTPUT CONTROL KNOBS

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200

WFS AMPS

 

 

 

LESS

MORE

 

 

 

WFS

WFS

ARC CONTROL

 

 

 

 

 

 

 

 

 

 

 

EFFECT / RANGE

 

 

DESCRIPTION

 

 

PINCH EFFECT

 

 

Adjust the short circuit current

 

(-10.0 to +10.0)

 

 

to create a soft arc, or a force-

 

 

 

 

ful, digging arc.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

START OPTIONS

The start Options available in these synergic CV weld modes, their adjustment range and function are as follows:

 

 

 

 

 

EFFECT / RANGE

 

 

DESCRIPTION

 

 

 

 

 

 

Preflow Time

 

 

Adjusts the time the gas flows

 

0 - 10 seconds

 

 

after the trigger is pulled and

 

 

 

 

prior to feeding.

 

Run-in WFS:

 

 

Run-In sets the wire feed

 

 

 

 

Off, 50 to150 in/min.

 

 

speed from the time the trigger

 

 

 

 

is pulled until an arc is estab-

 

 

 

 

lished.

 

Start Procedure

 

 

The Start Procedure controls

 

 

 

 

the WFS. Trim at a specified

 

 

 

 

time at the beginning of the

 

 

 

 

weld. During the start time, the

 

 

 

 

machine will ramp up or down

 

 

 

 

from the Start Procedure to the

 

 

 

 

preset Welding Procedure.

 

 

 

 

 

 

 

 

 

 

 

26.3

VOLTS TRIM

LESS

MORE

 

 

 

VOLTS

VOLTS

 

 

 

END OPTIONS

 

 

 

 

 

 

 

 

EFFECT / RANGE

 

 

DESCRIPTION

 

 

 

 

 

 

Postflow Time

 

 

Adjusts the time that shielding

 

0 to 10 seconds

 

 

gas flows after the welding out-

 

 

 

 

 

put turns off.

 

Burnback:

 

 

 

The burnback time is the

 

 

 

 

 

0 to .25 Seconds

 

 

amount of time that the weld

 

 

 

 

 

output continues after the wire

 

 

 

 

 

stops feeding. It prevents the

 

 

 

 

 

wire from sticking in the puddle

 

 

 

 

 

and prepares the end of the

 

 

 

 

 

wire for the next arc start.

 

Crater Procedure

 

 

Crater Procedure controls the

 

 

 

 

 

WFS and volts for a specified

 

 

 

 

 

time at the end of the weld after

 

 

 

 

 

the trigger is released. During

 

 

 

 

 

the Crater time, the machine

 

 

 

 

 

will ramp up or down from the

 

 

 

 

 

Weld Procedure to the Crater

 

 

 

 

 

Procedure.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER FEED 10M SINGLE/DUAL

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Lincoln Electric SVM172-A service manual Gmaw Synergic, Material Process GAS Wire Size, 030 035 045 052