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The Application of Statistical Process Control Technology in Extrusion Process

Author: ZhangLiLei
Tutor: ChenWeiHong
School: Beijing University of Chemical Technology
Course: Mechanical Design and Theory
Keywords: Features extrusion process Extrusion process SPC system Serial communication Control Charts
CLC: TQ320.663
Type: Master's thesis
Year: 2006
Downloads: 165
Quote: 2
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Abstract


In the extrusion process, application of statistical process control technology , extrusion products can improve the accuracy and stability of the extrusion process . In a variety of problems and resolve correctly predicted before , reducing maintenance time and material waste equipment damage caused , to achieve a pre- extrusion front . Statistical process control technology applications in the extrusion process needs to be done mainly in two aspects , one of the characteristics of extrusion , extrusion characteristics of the decision for statistical process control applications of the technology . Second, the preparation of the extrusion process SPC system software, and to ensure that in fact now in the process of pre- extrusion front control purposes. Continuous extrusion process determined by the characteristics of the measurement-based control chart for the extrusion of the production process . There are a variety of extrusion fluctuations affecting the statistical process control technology application in the extrusion process . Analysis of fluctuation frequency by controlling the sampling time , filtered fluctuations achieve extrusion application of statistical process control chart purposes. Application Programming tool completes the extrusion process SPC system software design, software includes a total of eight modules , the ten main interface , five databases. Main function is to save the system settings and parameters for the product set and saved parameter settings and save raw materials , serial communication, data collection and storage , working

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CLC: > Industrial Technology > Chemical Industry > Synthetic resins and plastics industry > General issues > Production process and production technology > Forming > Extrusion
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