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Pressure losses in the packing stage of injection molding

✍ Scribed by M. W. Darlington; A. J. Scott; A. C. Smith

Publisher
Society for Plastic Engineers
Year
1986
Tongue
English
Weight
774 KB
Volume
26
Category
Article
ISSN
0032-3888

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πŸ“œ SIMILAR VOLUMES

Pressure build-up during the packing sta
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## Abstract A thorough study of an isothermal fluid motion within the mold cavity during the packing stage is presented. The fluid is considered Newtonian, and its compressible behavior is assumed to obey the Spencer‐Gilmore equation of state. Mathematical results indicate that the pressure built u

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The influences of processing variables on the mechanical properties of general grade polypropylene prepared by oscillating packing injection molding under low pressure were reported. The density as a function of oscillating holding pressure was measured using density gradient columns. The existence