Page 520 - 04. Subyek Engineering Materials - Manufacturing, Engineering and Technology SI 6th Edition - Serope Kalpakjian, Stephen Schmid (2009)

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Extruder

Extruded =, .. Heating Tail
parison V

mold 1 . my I
0 0
Blown bottle
Mold closed
Blow pin and bottle blown

(3)

i* Blow pin

removed
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Blow pin

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machine

Passages ,:_= Bmwn

bottle
Coolmg _,<,J
Parison mold Parison transferred
to blow mold
(D)
® Blown-mold station
\
B' W_mO|d Core-pin opening 3
0 ¢ \ (Blown air passage) /
Jw
bottom plug ",V \ Blow mold f,/
Blown bottle parison /fl
\ V' _
Blow-mold direction ®Preform
mold station
~
neck rinQ Xing M V, T___r_>
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* *' , \ _ § gY@jiE|E|Ei!_ i
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Transfer \ . .g '
2
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H g !-\5'5"='d~.-E
head _ _l Reciprocating-screw extruder
@ Stripper station ,gr
Stripper plate Ng”
Bome '”'\ Preform Preform
J? neck ring mold
(C)
FIGURE |9.l4 Schematic illustrations of (a) the extrusion blow-molding process for making
plastic beverage bottles; (b) the injection blow-molding process; and (c) a three-station
injection blow-molding machine for making plastic bottles.