NDLI: Development of an in-process Pokayoke system utilizing accelerometer and logistic regression modeling for monitoring injection molding flash

Content Provider	Springer Nature Link
Author	Zhang, Julie Z.
Copyright Year	2014
Abstract	Today, using recycled materials is a common practice in plastic industries for the sake of saving material cost and pursuing sustainable manufacturing. The recycled materials may have some properties (for example, fluidity and viscosity) significantly different from the primary plastic resin, which may lead to quality problems. An in-process Pokayoke system was developed in this research to monitor injection molding parts’ flash caused by adding a foreign polymer in the lab test, which was used to simulate the recycled plastic. The proposed system employed an accelerometer to capture the injection molding vibration signals. The featured injection molding vibration signals were identified through data analyses, and they were then used as input variables through logistic modeling to predict flash in an injection molding process that utilizes pure polystyrene (PS) mixed with a small portion of low-density polyethylene (LDPE). The testing results indicated that this Pokayoke system could monitor the injection molding flash status caused by the mixed material with approximately 95 % accuracy while the injection molding is in process. This Pokayoke system can help the injection molding machine take immediate actions to avoid wastes caused by flash.
Starting Page	1793
Ending Page	1800
Page Count	8
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	71
Issue Number	9-12
e-ISSN	14333015
Language	English
Publisher	Springer London
Publisher Date	2014-01-24
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Flash Injection molding Pokayoke Logistic modeling Accelerometer sensor Industrial and Production Engineering Production/Logistics/Supply Chain Mechanical Engineering Computer-Aided Engineering (CAD, CAE) and Design
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software

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