03086 indx

229

Index
A

G

accumulator system 84
air assist 94
air only 94
alignment of the mold halves 25
annular ring gate 127
artwork 33
automatic product removal 92
automotive products 133
available operating time 95

guaranteed cycle time 186
guaranteed delivery 186
guaranteed quality 185
guaranteed shrinkage 185

B
back pressure 74
beryllium copper 61
Bills of Materials 178
bluing 14

H
haze 43
heat expansion 28

heat sensitive 126
hobbing 35, 83
hooks 43
hot runner edge gates 139
hot runners 125
hot sprue 131
hubs 86
hydraulic pumps 84

C
I

D

J

deflection temperature 210, 211
delivery time 181
density 208, 209
draw stoning 30
dry cycle 67

jetting 43
job file 160

edge and fan gates 124
elongation at yield 212, 214
end product 3
engravings 31
estimating 176

F
family molds 114
fillers 45
filling volume 21
flexural modulus 213, 215
flexural strength 213, 215
flow leaders 38
flow marks 43

N
negative engraving 33
number of cavities 102

O
open gates 127
open nozzles 77
overhead 97, 170

P

circular pinpoint 127
collapsible cores 15
compression molding 3
confirmation of order 199, 204
core shift 121
corrosion prevention 50
crystallinity 60

E

mold project timeline 162
mold set-up 194
molder 4
molding properties 208
moving cavity 16
multi-level molds 142
multiple ejection strokes 91

injection mold 7
injection speed 60, 74
insert molding 155
inside center gated parts 120
inventory 126
Izod 213, 215

L
L/t ratio 119
labels 31
light-weighting 75, 197
locational clearance fits 41
lost-core molding 7

parting line 13, 83
patents 187
path of least resistance 43
PET bottles 11, 63
Petri dish system 116
plant-wide machine hour cost 97
plasticizing capacity 73

positive engraving 33
post-mold-cooling 63
post-molding operations 17
potato chipping 38
prior art 187
product 3
product designer 4
production planning 165
pull ring 14

Q
quotation 181, 199

M
machine hour cost 97
mechanical properties 212
methods of alignment 25
mismatch 23
modular molds 136
mold cost per unit molded 99
mold designer 3
mold maker 3
mold manual 170, 193
mold open time 68

R
record grooves 43
required clamp size 100
retainer plate 135
ribs 86

rim shapes 87
ripples 43
risk 173
robots 92
Rockwell hardness 213, 215


230

Index
S
safety considerations 141
screw design 74
self-degating 125
self-tapping screws 47
shot size 70
shut-off nozzles 78
side cores 15
sinks 39
spare parts 160
special fits 21
specific volume 208, 209
splay 43
splits 15
stack molds 142
stacking of products 22

stadium cups 11
Standard Geometrical Tolerancing
standardization 54

submarine gating 125
surface finish 29

T
tack height 22
temperature and time graph 126
tensile modulus 212, 214
tensile strength 212, 214
texturing 30
thermal conductivity 60, 210, 211
thermal expansion 210, 211
thermal properties 216
threads 15

41

tunnel gating 124
two-stage ejection 16

U
undercuts 15
universal mold shoes 59, 113
unscrewing 15

V
venting 66
voids 39

W
water absorption 208, 209

witness lines 40