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ATAKÖK, GÜRCAN

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2009 - 200912010 - 20201
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Author: GİRİT, OĞUZ × Start date: 2009 ×

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    Experimental investigation of plastic injection molding: Assessment of the effects of cavity pressure and mold temperature on the quality of the final products
    (ELSEVIER SCI LTD, 2009) ATAKÖK, GÜRCAN; Kurt, Mustafa; Kamber, O. Saban; Kaynak, Yusuf; Atakok, Gurcan; Girit, Oguz
    Today more than ever, the molding industry demands better product quality. The quality of molded parts is crucial with regard to their functional capacity, and hence a great deal of attention should be directed towards maintaining consistent tolerances and overall dimensions. As the demand for high quality final parts continues to increase, the controlling parameters of cavity pressure and mold temperature become ever more significant in the plastic injection molding process. Therefore, in this research, cavity pressure and mold surface temperature have been measured and recorded by pressure and temperature-pressure sensors using a Kistler CoMo 2869A injection-type apparatus. The influences of the measured factors on the quality of the final parts have been investigated experimentally. The results of this experimental study indicate that cavity pressure and mold temperature are the dominant factors determining the quality of the final product in plastic injection molding. (C) 2009 Elsevier Ltd. All rights reserved.
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    Data Analysis for Predictive Maintenance of Servo Motors
    (HINDAWI LTD, 2020-09-11) ATAKÖK, GÜRCAN; Girit, Oguz; Atakok, Gurcan; Ersoy, Sezgin
    Vibration and temperature data of a servo motor are analyzed with PLC which is widely used in the industry. With this system, power supply can be detected on the servo motors. In this way, undesirable situations such as disruptions in production and productivity loss can be prevented from occurring. It is an important problem for businesses to detect malfunctions that may occur in servo motor dysfunction. Previously, methods such as ultrasonic sound measurements, thermal cameras, endoscopy equipment, and energy analysis have been used and discussed in the literature. Our study offers a PLC-based vibration and temperature measurement system designed as a solution of this problem. In this system, vibration and temperature measurements were made while the servo motor was kept running. These measurements were measured with or without load, considering the operating ranges of the servo motor, and the compatibility of the data was evaluated.