LIBRARY ı6ıul 0) - Cranfield University

Itpk Peak current time: the arithmetic average of the time duration of the [ms]
peaks in the welding current transient samples
j Current density JA/m']
KI, K2, ...
A] , A,
z, ...
Regression constants
Constants
L. Arc length [mm]
L, Electrode stickout [mm]
Leg Leg length [mm]
Leg«, Average leg length [mm]
Legb Bottom leg length (horizontal-vertical fillet joint) [mm]
Legpr, d
Expected average leg length predicted by the welding parameters
generator
[mm]
Legreq Minimum required leg length [mm]
Leg, Side leg length (horizontal-vertical fillet joint) [mm]
Leg, Leg length at the web side in a flat position fillet weld [mm]
Leg: Leg length at the flange side in a flat position fillet weld [mm]
17 Resistivity [f2. m]
Nb Number of transient samples with values equal or smaller than the
No, p
samples average
Number of welding voltage transient samples complying with VS 6 bk
N, Number of transient samples with values greater than the samples
average
Nn Number of periods in which the data samples are consecutively
smaller than the samples average
NT, Number of periods in which the data samples are consecutively
greater than the samples average
Nw Number of transient data samples acquired in a fixed time period
(window)
Pd Pressure exerted by the arc on the weld pool [Pa]
Pen Weld penetration (depth of fusion) [mm]
Pen, Weld penetration in the web plate in a flat position fillet weld [mm]
Pent Weld penetration in the flange plate in a flat position fillet weld [mm]
Pen,,. Average weld penetration [mm]
Penb Bottom weld penetration (horizontal-vertical fillet joint) [mm]
Pen,,, d Expected average weld penetration predicted by the welding [ mml
parameters generator
Pen, Side weld penetration (horizontal-vertical fillet joint) [mm]
POS Binary operator which indicates if a weld is non-positional (0) or
J PR
positional (1)
Power Ratio
Pr(arc) Possibility measure of bad arc ignition
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