Advanced Welding Processes: Technologies and Process Control

280
Index
orbital welding 224
positioners and manipulators 222
product quality 219
production implications 246
rapid prototyping 241
remote-control 237–8
safety 218–19
seam welders 224
simple mechanization 219–22
simulation 239–40
social implications 245
special-purpose automation 223–5
stitch welding 224–5
supply flexibility 219
tractor systems 220–1
wear replacement 241–2
see also robotic welding
automotive industry 160
AWS classification of consumables
257–8
back face sensing 213–14
basic gas-shielded wires 53
bead geometry prediction 216
bead placement 171
beam oscillation 150
bi-metal thermometers 193
British Nuclear Fuels Ltd. 220
BS classification of consumables 259–60
buried arc GTAW 91
burn-off 116, 124–5, 254–6
butt welds 165
calibration of equipment 184–7
carbon dioxide lasers 144–5
microwave-excited 156
carbon dioxide shielding gas 63–4, 64–6
carbon monoxide lasers 156
carbon steel welds 64–6, 142, 153
carbon steel wires 48, 52–3
cartesian robots 226–7
cast-to-cast variation 95–8
CDD cameras 209
cell management 237
cerium 47, 78
chamber loading systems 162
chemical composition sensors 211
chlorine 70
classification of welding processes 1–2,
249
closed-loop control systems 204–5,
206–16
arc length control 211–13
feedback signals 206
line following systems 206–11
penetration control 213–15
quality control 215–16
CMOS cameras 209
cold pressure welding 4–5
cold wire GTAW 82–3, 168
completion times 18–19
component tolerances 233
computer-based data loggers 190–3
computer-numerical-controlled (CNC)
systems 23–4
consumable trends 22–3
control systems see automated control;
manual control; process control
controlled droplet detachment 121–2
controlled transfer techniques 120–8
copper welds 68, 160
cost effectiveness 16–20
of automation and robotics 243–5
and deposition rate 16–17
of flux-cored wires 56
joint completion times 18–19
joint design 18–19
joint quality control 17–18
operating efficiency 19
post-weld operations 20
current measurement 194–6
current shunt 194
current and travel speed 92
Dabber TIG 82
data loggers 190–3
dedicated automation 223
defect rectification 20
definitions of welding 1–2
deposition rates 16–17, 49–50, 71
design
of joints 18–19, 233
of power sources 27
determination of parameters 181–2
deviation monitoring 199–203
in arc welding 200–1
dynamic resistance curve 199–200
statistical process control 201–3
visible spectrum monitoring 203
diffusion bonding 7