Fluid Delivery and Metering for Reaction-Injection Molding

[+] Author and Article Information
C. L. Tucker, N. P. Suh

Massachusetts Institute of Technology, Cambridge, Mass.

J. Eng. Ind 99(3), 678-681 (Aug 01, 1977) (4 pages) doi:10.1115/1.3439297 History: Received August 04, 1976; Online July 15, 2010


Power consumption and metering accuracy of reaction-injection-molding (RIM) fluid-delivery systems are examined. Emphasis is on the use of simple models to understand the source of metering errors and to estimate the magnitudes of these errors. Typical examples are given. The basic understanding provided by these models is used to explain the advantages of a new type of RIM fluid-delivery system developed at M.I.T. The new system offers reduced machine size and cost by minimizing instantaneous power requirements, and the metering system can achieve higher accuracy than conventional equipment while using less-accurate components.

Copyright © 1977 by ASME
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