Miller Welding Panduan Pemilik - Halaman 29
Jelajahi secara online atau unduh pdf Panduan Pemilik untuk Sistem Pengelasan Miller Welding. Miller Welding 33 halaman. For arc welding and cutting the safe way
Juga untuk Miller Welding: Panduan Cepat Keselamatan (16 halaman)
Halaman Cetak
3
6
9
Ground All
Metal Objects
And All Wiring
In Welding Zone
Using #12 AWG Wire
1
Plasma Arc Welding Power Source
Ground metal machine case, line discon-
nect device, input supply, and workpiece (if
required).
2
Center Point Of Welding Zone
Midpoint between high-frequency source
and welding torch.
3
Welding Zone
A circle 50 ft (15 m) from center point in all
directions.
4
Torch And Work Cables
Keep cables close together.
Welding Zone
50 ft
(15 m)
1
2
4
Ground
Workpiece
If Required
By Codes
Nonmetal Building
11
5
Conduit Joint Bonding And Grounding
Electrically join (bond) all conduit sections
using copper straps or braided wire. Ground
conduit every 50 ft (15 m).
6
Water Pipe And Fixtures
Ground water pipe every 50 ft (15 m).
7
External Power Or Telephone Lines
Locate high-frequency source at least 50 ft
(15 m) away from power and phone lines.
8
Metal Building Panel Bonding
Methods
Bolt or weld building panels together, install
copper straps or braided wire across
seams, and ground frame.
Figure 6-3. Correct Installation
50 ft
(15 m)
5
9
9
10
9
Consult the National Electrical Code for
specifications.
10 Windows And Doorways
Cover all windows and doorways with
grounded copper screen of not more than
1/4 in (6.4 mm) mesh.
11 Overhead Door Track
Ground the track.
7
8
9
Metal Building
Grounding Rod
OM-169 510 Page 25
S-0755