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Plunger-type preplasticizer

FIGURE 2.7 Schematic drawings of (a) a plunger-type preplastidzer and (b) a screw-type preplasticizer atop a plunger-type injection molding machine. (After Lukov, L. J. 1963. SPE/., 13(10), 1057.)... [Pg.165]

Injection machines are classified generally into three types—reciprocating screw, ram or plunger, and two-stage or preplasticizers— described in the paragraphs that follow. Most injection... [Pg.257]

Two types of preplasticizer machines are shown in Figs. 4-2 and 4-3. The two-stage plunger system shown in Fig. 4-3 is similar to the single plunger system except the melt is forced into a second chamber instead of the mold. The melt is then forced into the mold by the second plunger. The direction of melt flow is controlled by a 3-way rotary valve. [Pg.260]

See other pages where Plunger-type preplasticizer is mentioned: [Pg.30]    [Pg.30]    [Pg.785]    [Pg.585]   
See also in sourсe #XX -- [ Pg.2 , Pg.3 , Pg.4 , Pg.5 , Pg.6 , Pg.7 , Pg.8 , Pg.9 , Pg.10 ]



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