Section 7 − High Frequency; Welding Processes Requiring High Frequency; Incorrect Installation - Miller Electric HF-251D-1 Owner's Manual

7-1. Welding Processes Requiring High Frequency

7-2. 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
OM-611 Page 22
SECTION 7 − HIGH FREQUENCY
50 ft
(15 m)
10
9
8
7
1
Sources of Conduction of High
Frequency
7 Input Power Cable
8 Line Disconnect Device
9 Input Supply Wiring
Return To Table Of Contents
1
Work
TIG
Weld Zone
11, 12
3
2
4 5 6
1 High-Frequency Voltage
TIG − helps arc jump air gap
between torch and workpiece and/
or stabilize the arc.
high_freq 12/96 − 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
S-0694