05 gouging operation settings, 05 gouging operation settings -8, N7500 system component description – Tweco N7500 User Manual
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SYSTEM COMPONENT DESCRIPTION
3-8
Manual 89250890
N7500
SYSTEM COMPONENT DESCRIPTION
3.05 Gouging Operation Settings
speeds listed for each size carbon and gouge depth were derived in the laboratory using a 1500 amp Power Supply.
Your results may vary depending on the arc current, voltage and other parameters you use.
Automatic Gouging Operating Data
Electrode Diameter
Desired Depth
DC Current
Travel Speed Per Min.
Inch
mm
Inch
mm
Amps
Inch
mm
5/16
7.9
1/8
3.2
400
65
1651
5/16
7.9
3/16
4.8
400
45
1143
5/16
7.9
1/4
6.4
450
36
914
5/16
7.9
5/16
7.9
450
33
838
5/16
7.9
7/16
11.1
500
22.5
572
3/8
9.5
1/8
3.2
500
70
1778
3/8
9.5
3/16
4.8
500
44
1118
3/8
9.5
1/4
6.4
500
35
889
3/8
9.5
3/8
9.5
500
20
508
3/8
9.5
9/16
14.3
500
17.5
445
1/2
12.7
1/8
3.2
850
96
2438
1/2
12.7
1/4
6.4
850
57
1448
1/2
12.7
3/8
9.5
850
35
889
1/2
12.7
1/2
12.7
850
24
610
1/2
12.7
3/4
19.1
850
17.5
445
5/8
15.9
1/4
6.4
1250
72
1829
5/8
15.9
3/8
9.5
1250
48
1219
5/8
15.9
1/2
12.7
1250
37
940
5/8
15.9
5/8
15.9
1250
30
762
5/8
15.9
15/16
23.8
1250
19.5
495
3/4
19.1
1/4
6.4
1400
72
1829
3/4
19.1
3/8
9.5
1400
42
1068
3/4
19.1
1/2
12.7
1400
34
865
3/4
19.1
5/8
15.9
1400
27
687
3/4
19.1
3/4
19.1
1400
22
560
3/4
19.1
11/8
28.6
1400
13
330
Table 3-12: Operating Parameters
NOTE
If you want a groove depth that is greater than 1-1/2 times the diameter of the electrode being used,
make the groove in two or more passes.