Miller CST 280 Manuel du propriétaire - Page 28

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4-2. Process Select Control

SELECTIONS VS ELECTRODE TYPE

ELECTRODE

EXXX1

EXXX2

EXXX3

EXXX4

EXXX5

EXXX6

EXXX7

EXXX8

STAINLESS

OM-217 655 Page 24

RECOMMENDED PROCESS

SUGGESTED PROCESS

TYPE

SETTING

EXX10

EXX18

Process Select Control

Rotate knob to select desired

process.

Lift-Arct

TIG - Normal

open-circuit voltage is not present

between

the

electrode

and

workpiece. A solid-state contactor

does not energize until after the

electrode touches the workpiece,

preventing overheating, sticking, or

contaminating the electrode (see

Section 4-4). Make connections

according to Section 3-9.

Stick E XX18 Soft - This setting

provides a lower dig/arc force

setting for smooth weld perfor-

mance. A stable weld puddle with

little arc "snap" gives excellent weld

bead appearance with minimal

spatter.

Make

connections

according to Section 3-10.

Stick E XX18 Stiff - This setting

provides a higher dig/arc force that

gives a slightly more fluid weld

puddle, more arc "snap", and

reduces the potential for electrode

sticking at shorter arc lengths.

Make connections according to

Section 3-10.

Stick E XX10 Soft - This setting

provides lower dig/arc force for

open root vertical up joints or joints

that do not require additional

current for fit up inconsistencies.

Make connections according to

Section 3-10.

Stick E XX10 Stiff - This setting

provides a higher dig/arc force for

open root vertical down joints

where additional current is needed

to compensate for tight joint fit up

without the need to increase overall

welding current. Make connections

according to Section 3-10.