Mixing Capacity of Screws in Injection Molding Machines Evaluated by Ultrasonic Monitoring

doi:10.19491/j.issn.1001-9278.2009.10.019

China Plastics ›› 2009, Vol. 23 ›› Issue (10): 83-86 .DOI: 10.19491/j.issn.1001-9278.2009.10.019

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Mixing Capacity of Screws in Injection Molding Machines Evaluated by Ultrasonic Monitoring

LIN Hong-wei LIU Ying WU Da-ming

Received:2009-04-27 Revised:2009-05-14 Online:2009-10-26 Published:2009-10-26

Abstract

Abstract: Calcium carbonate-filled polypropylene (PP) and ABS were measured with ultrasonic systems and found that ultrasonic velocity decreased with increasing concentration of calcium carbonate. Based on the fluctuation of ultrasonic velocity at the injector nozzle and mechanical properties, the in-line ultrasonic monitoring was found able to evaluate the mixing capacity of the screw.

Key words: ultrasonic monitoring, injection molding machine, screw, mixing capacity, evaluation method

CLC Number:

TQ320.66

LIN Hong-wei LIU Ying WU Da-ming. Mixing Capacity of Screws in Injection Molding Machines Evaluated by Ultrasonic Monitoring[J]. China Plastics, 2009, 23(10): 83-86 .

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Mixing Capacity of Screws in Injection Molding Machines Evaluated by Ultrasonic Monitoring

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