A Study of Process Parameter Optimization for Passive Component Precision Extrusion

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Abstract:

Chips scraping each other during transportation, and chips coming into contact with water or air will cause oxidization resulting in poor quality products. The chips need to be well packed and to be protected from the environment. The method of Surface Mount Component (SMC) packing using plastic carrier tape can reduce chip damage. This study focuses on the extrusion process parameters optimization of plastic carrier tape. Because each extrusion process produces 270 pieces of carrier tape, the tape size is 1.35mmX2.25mmX1.35mm and is extremely difficult to reach the tolerance standard. This study utilized a practical test to explore various factors on the quality of the carrier tape, such as the rotational speed of extruder screw motor and extrusion mold; the negative pressure of extrusion mold; and the temperature of the extrusion mold. These experiments could find out an optimal extrusion process.

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Periodical:

Key Engineering Materials (Volumes 364-366)

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634-639

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Online since:

December 2007

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© 2008 Trans Tech Publications Ltd. All Rights Reserved

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[1] C. Rauwendaal, New directions for extrusion: compounding with single screw extruders, Plastics Additives and Compounding, Vol. 4 (2002), p. pp.24-27.

DOI: 10.1016/s1464-391x(02)80090-3

Google Scholar

[2] N. Yarahmadi, I. Jakubowicz and T. Gevert, Effects of repeated extrusion on the properties and durability of rigid PVC scrap, Polymer Degradation and Stability, Vol. 73 (2001), p. pp.93-99.

DOI: 10.1016/s0141-3910(01)00073-8

Google Scholar

[3] R. B. Bird, R. C. Armstrong and O. Hassager, Dynamics of Polymeric Liquid, 1, Fluid Mechanics, 2nd ed. 1987 Newtonian Flow, Elsevier. (1984).

Google Scholar

[4] R. B. Bird, C.F. Curtiss, R. C. Armstrong and O. Hassager, Dynamics of Polymeric Liquid, Vol. 2: Kinetic Theory, 2nd ed. Wiley, New York(1987).

DOI: 10.1002/aic.690350823

Google Scholar

[5] Magazine editor, Extruder operation manual, plastic world, Taipei, Taiwan (1994).

Google Scholar