Sheet Metal Forming

342 / Sheet Metal Forming—Processes and Applications
biaxial tube bulge test, 183–184(F), 185(F)
binder forces, 124
bismuth alloys, 318
blank holder
blanking, 2
riveting, 289
room-temperature sheet hydroforming, 170
SHF-D, 158
SHF-P, 165
blank holder force (BHF)
AHSS, 129(T)
deep drawing round/rectangular cups, 57, 58
elastic blank holder, 166
hydroforming, 158
multipoint blank holder control, 165–166(F)
optimization, 59–60(F)
process simulation, 170, 171(F)
room-temperature sheet hydroforming, 158, 169(F), 
170(F)
SHF-D, 158, 169–170(F)
SHF-P, 60, 162, 163(F), 166–171(F)
trunk lid-outer, 170(F)
blanking, 1(F)
AHSS, 125
Aida Engineering Ltd. production line, 103(F)
breakthrough, 1(F), 2
burr, 4–5, 6(F)
burr length, 4–5(F), 6(F)
burr volume, 5(F)
damping systems, 10–11(F)
die geometry, 7(F)
blanking punch shapes, 7(T)
sheared dies, 7(F)
DP 590, 5(F)
electromagnetic forming, 242, 243(F)
FE simulations, 15–16
fine blanking, 12–14
force distribution, 2(F)
forces, 2–3
fracture, 2, 3
frictional forces, 2(F)
high-speed stamping, 8(F)
instantaneous shock, 8(F)
joining, 242
overview, 1
part edge characteristics
blanking clearance, effect of, 4
part edge quality, effect of material on, 5
punch-die clearance, 5(F)
tool wear, effect of, 4–5
zones, 4(F)
part-edge quality, 5(F)
phases, 1(F)
piercing, difference between, 1
presses, 10
process
breakthrough, 1(F), 2
contact of the punch, 1(F)
elastic deformation, 1(F)
load-stroke-curve, 3(F)
phases, 1(F)
plastic deformation, 1(F)
stripping, 1(F), 2
punch die clearance, 4, 5(F)
punch die clearance in high-speed stamping, 8
punch geometries, 3(F), 4(F)
punch life, factors affecting
clearance, 8
punch coatings, 7
punch materials, 7
punch misalignment, 8
punch point geometry, 8
punch rigidity during impact, 8
punch wear, effect of lubrication, 8–9(F)
punch-die clearance, 4, 5(F)
shearing (
see
shearing)
snap-through forces, 10–11(F)
springback, 2
stresses, 2–3
theoretical load-stroke curve, 3(F)
tool materials, 11
tooling
die geometry, 6–7
gibs, 10
pilots, 9–10(F)
punch geometry, 6
punch stagger, 7, 8(F)
spring stripper plate, 9(F)
stripper plate, 9 (F)
UHS, 12
blanking dies, 10, 13, 242
blanking presses
AHSS, 125
high-velocity mechanical forming, 233(F)
overview, 10
blanking/piercing
AHSS, 125
case study, 54–56(F,T), 57(F)
blanks
Aida Engineering Ltd. production line, 103(F)
aluminum, 263
B-pillar simulation, 143, 144
fine blanking, 12
flexform fluid cell process, 160
fluid cell presses, 164(F)
heating (
see
heating methods)
hot stamping, direct method, 133–134(F)
hydroforming, 157
KISF, 274
nanotechnology-based painting, 154
shear spinning, 266, 269(F)
shearing, 14
SHF-P, 160
spinning, 249, 255, 263
body-in-white, 104, 107(F)
boron alloyed steel 22MnB5, 133, 135(T). 
See also
22MnB5
boron steel
hot dip galvanized, 154
hot stamping, 112
metallurgy and general characteristics, 108(T)
22MnB5, 133, 135, 135(T)

---