OM-236 891 Page 92
SECTION 9
−
HIGH FREQUENCY
9-1. Welding Processes Requiring High Frequency
high_freq 5/10
−
S-0693
1
High-Frequency Voltage
TIG
−
helps arc jump air gap
between torch and workpiece and/
or stabilize the arc.
1
TIG
Work
9-2. Installation Showing Possible Sources Of HF Interference
50 ft
(15 m)
S-0694
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
Sources of Conduction of High
Frequency
7
Input Power Cable
8
Line Disconnect Device
9
Input Supply Wiring
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
Weld Zone
13
9
8
7
1
2
4
5
6
3
10
11, 12
14
Best Practices
Not Followed
Содержание PipeWorx 400
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Страница 90: ...OM 236 891 Page 86 SECTION 8 ELECTRICAL DIAGRAMS Figure 6 1 Circuit Diagram For Welding Power Source...
Страница 91: ...OM 236 891 Page 87 254 310 B...
Страница 92: ...OM 236 891 Page 88 Figure 6 2 Circuit Diagram For Single Or Dual Wire Feeder...
Страница 93: ...OM 236 891 Page 89 236 220 E...
Страница 94: ...OM 236 891 Page 90 Figure 6 3 Circuit Diagram For Cooler 238 662 B...
Страница 95: ...OM 236 891 Page 91 Figure 6 4 Flow Diagram For Cooler Pump Filter Radiator Flow Indicator Tank Torch...