Offering complete and in-depth data and information on plastics extrusion, this practical handbook presents the technology of the subject rather than the theory. Presents an overview of extrusion technology as applied to the operation of extrusion systems and the design of tooling and equipment for use in the process. Provides basic technical information on the behavior of polymer and plastics materials in the extrusion process. Contains tool descriptions that provide a basis for the analysis of existing product lines as examples for the design of new systems. Includes illustrations of and background material on control systems for the extruder and extrusion process.In these drives the control voltages are used to change the frequency of the control oscillator that produces the AC. ... for the AC drives they may be preferred, since the motor weight and cost is generally less for an AC unit than for an equivalent SCR unit. ... which do not have commutators to wear, is usually much lower.
|Title||:||Plastics Extrusion Technology Handbook|
|Author||:||Sidney Levy, James F. Carley|
|Publisher||:||Industrial Press Inc. - 1989-01-01|