Table des Matières
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8-1. Welding Processes Requiring High Frequency
8-2. Incorrect Installation
13
Sources of Direct High-Frequency
Radiation
1
High-Frequency Source (welding
power source with built-in HF or
separate HF unit)
2
Weld Cables
3
Torch
4
Work Clamp
5
Workpiece
6
Work Table
SECTION 8 − HIGH FREQUENCY
Weld Zone
11, 12
50 ft
(15 m)
10
9
8
7
2
1
4
Sources of Conduction of High
Frequency
7
Input Power Cable
8
Line Disconnect Device
9
Input Supply Wiring
1
Work
TIG
3
5
6
1
High-Frequency Voltage
TIG − helps arc jump air gap
between torch and workpiece and/
or stabilize the arc.
high_freq 7/05 − S-0693
14
Sources of Reradiation of High
Frequency
10 Ungrounded Metal Objects
11 Lighting
12 Wiring
13 Water Pipes and Fixtures
14 External Phone and Power Lines
OM-245 020 Page 21
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Table des Matières
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