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V
-
1C
15
WELDING TIME AND CURRENT SETTINGS
This page is intended as a guide to setting your
machine.
A set of basic formulae as defined by the British
Standard BS EN ISO 14555:2014 (European
Standard EN ISO 14555:2014) Annex A.2.7.2.2
and Annex A.2.7.2.4 may be used to calculate the
current and time settings to weld any stud.
These formulae when applied to standard studs
give results shown in the table on this page. A
graphical representation of the data is also
illustrated below.
The settings generated in the table are only
intended as a starting point. It is possible that the settings will give satisfactory results
without adjustment, but
in reality the quality of
the welding results is
governed by many
variable factors. These
include, most obviously,
the welding time, current
and arc
-
gap (pistol lift) as
covered in the table, but
can also include factors
such as stud and work
-
piece material type and
condition, ambient
temperature, relative
humidity, quality of
supply etc. All of these
factors can act on the
weld to change the
outcome. It is
recommended that in all
instances, you need to
carry out sample welds in
your actual conditions
and environment. This
will enable you to alter
the settings, where
necessary, to achieve
welds that are most
acceptable to you.
STUD
TYPE
ACTUAL
DIAMETER
(mm)
WELD
CURRENT
(A)
WELD
TIME
(ms)
5FB
5
400
100
6RB
4.7
376
94
6FB
6
480
120
8RB
6.2
496
124
8FB
8
640
160
10RB
7.9
632
158
10FB
10
800
200
12RB
9.5
760
190
16RB
13.5
1100
400
WELD CURRENT - EN ISO 14555
0
200
400
600
800
1000
1200
1400
1600
1800
2000
5FB
6RB
6FB
8RB
8FB
10RB
10FB
12RB
12FB
16RB
16FB
19FB
20RB
20FB
STUD SIZE
C
U
R
R
E
N
T
(
A
)
WELD TIME - EN ISO 14555
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
5FB
6RB
6FB
8RB
8FB
10RB
10FB
12RB
12FB
16RB
16FB
19FB
20RB
20FB
STUD SIZE
W
E
L
D
T
IM
E
(
s)