Summary Of Welding Processes - Lincoln Electric EAGLE 10,000 Service Manual

B-6
PROCESS
STICK
WIRE FEED, LN-25 WITH
INTERNAL CONTACTOR
TIG, TIG MODULE WITH
WITH CONTACTOR KIT
CONTROL CABLE, & ARC
START SWITCH
WIRE FEED, LN-15
ACROSS the ARC
(has internal contactor)
TYPICAL CURRENT RANGES
Tungsten Electrode DCEN (-)
Diameter in. (mm)
1%, 2% Thoriated
Tungsten
.010 (.25) 2-15
0.020 (.50) 5-20
0.040 (1.0) 15-80
1/16 (1.6) 70-150
3/32 (2.4) 150-250
1/8 (3.2) 250-400
5/32 (4.0) 400-500
3/16 (4.8) 500-750
1/4 (6.4) 750-1000
(1) When used with argon gas. The current ranges shown must be reduced when using argon/helium or pure helium shielding gases.
(2) Tungsten electrodes are classified as follows by the American Welding Society (AWS):
Pure
1% Thoriated
2% Thoriated
Though not yet recognized by the AWS, Ceriated Tungsten is now widely accepted as a substitute for 2% Thoriated Tungsten in AC and DC applications.
(3) DCEP is not commonly used in these sizes.
(4) TIG torch nozzle "sizes" are in multiples of 1/16ths of an inch:
# 4 = 1/4 in. (6 mm)
# 5 = 5/16 in. (8 mm)
# 6 = 3/8 in. (10 mm)
# 7 = 7/16 in. (11 mm)
# 8 = _ in. (12.5 mm)
#10 = 5/8 in. (16 mm)
(5) TIG torch nozzles are typically made from alumina ceramic. Special applications may require lava nozzles, which are less prone to breakage, but cannot withstand high temperatures
and high duty cycles.
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OPERATION

Summary of Welding Processes

CONTROL
CABLE IDLE
USED MODE
No AUTO
No AUTO
Yes High
No High
(1)
FOR TUNGSTEN ELECTRODES
DCEP (+) Approximate Argon Gas Flow
Flow Rate C.F.H. ( l /min.)
1%, 2% Thoriated Aluminum
Tungsten
(3) 3-8 (2-4)
(3) 5-10 (3-5)
(3) 5-10 (3-5)
10-20 5-10 (3-5)
15-30 13-17 (6-8)
25-40 15-23 (7-11)
40-55 21-25 (10-12)
55-80 23-27 (11-13)
80-125 28-32 (13-15)
EWP
EWTh-1
EWTh-2
EAGLE™ 10,000
ELECTRODE
WHEN NOT
WELDING
Hot Touch electrode to work.
Welding starts immediately
and engine goes to high
idle.
Cold Press gun trigger, LN-25
contactor closes. Welding
starts immediately and
engine goes to high idle.
NOTE: Output Control
must be set above "3"
Cold Press Arc Start Switch
contactor closes,
welding starts immediately.
Cold Press gun trigger.
LN-15 contactor closes,
Welding starts immediately
Note: Output Control must
be set above "3".
Nozzle Size (4), (5)
Stainless Steel
3-8 (2-4) #4, #5, #6
5-10 (3-5)
5-10 (3-5)
9-13 (4-6) #5, #6
11-15 (5-7) #6, #7, #8
11-15 (5-7)
13-17 (6-8) #8, #10
18-22 (8-10)
23-27 (11-13)
B-6
TO START
WELDING
(2)
TIG TORCH