Optimal machining parameters in the cutting process of glass fibre using the reliability analysis based on the Taguchi method

Yang, Chao-Lung; Sheu, Shey‐Huei; Yu, Kun-Tzu

doi:10.1243/09544054jem1134

Cited by 8 publications

(9 citation statements)

References 9 publications

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“…Yang et al 9 suggested that improvement of yield can be regarded as the most important capability indicator in any current production or management field, as yield improvements represent improvements in performance perception. Traditionally, yield analysis is measured by the Cpk value of the process capability indices, which index refers to evaluation according to the quality capabilities presented, when all known process quality factors are controlled under the normal conditions of three major data, including characteristic value specifications, the central position of the process characteristics, and consistency in the deviation presentation of the process center (process accuracy) and process consistency (process precision).…”

Section: Research Methods and Case Studymentioning

confidence: 99%

“…A practical and convenient process for shaping electrically non-conductive ceramics was developed, with the features of high efficiency, high precision, and excellent surface integrity. Yang et al 9 described a new approach for optimizing the cutting process using the Taguchi method. A comparison with the wear of the Weibull modulus showed that the most optimal cutting parameter is A1B3C3.…”

Section: Introductionmentioning

confidence: 99%

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Optimization of a light guide plate injection molding stability process by integrating Taguchi quality engineering and the gray sequencing method

Lin

Wang²,

et al. 2012

Proceedings of the Institution of Mechanical Engineers, Part B:

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The light guide plate is an essential key component in the development of the panel industry. In pursuit of lighter and thinner computer, communication, consumer (3C) electronics products, the panel industry continuously introduces new types of products to meet contemporary needs. Applications of a thinner light guide plate have become increasingly important. However, in the thin injection molding process, the control of geometric size and surface quality may be difficult to achieve owing to variations in conditions, such as injection pressure and temperature. Under the pressure of pursuing higher injection molding speed and lower cost, the injection industry strives to improve injection process capabilities to achieve higher quality yield, reduced production costs and processing time, and enhanced processing quality to maintain profits. Regarding the control of the Y-axis size of injection molding, this study proposed an experimental design method for injection quality improvement and injection process performance enhancement. The relevant injection parameters included temperature, back pressure, holding (dwell) pressure, and length measurement. The purpose of this study is to identify the best light guiding injection parameters to establish stable injection conditions and improve process capability. By employing the five stages of define, measure, analyze, improve, and control, this study conducted empirical research on the injection molding size stability processes of a photoelectric light guide plate, in a specific injection molding plant in Taiwan, in order to establish a process optimization model for injection molding Y-axis size stability. The research methodology integrated the parameter design method of Taguchi quality engineering and the gray sequencing method to identify the combinations of optimization parameters and experimental levels in injection molding. The experimental results suggested that C pk has been improved from 0.6 to 1.44, with a significant increase in process capability. The prediction result error rate meets accuracy requirements, which can help improve the control of capability, stability, and quality of the light guide plate injection molding size process. The research findings can provide Taiwan’s injection molding precision processing industry with a reference in quality.

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Section: Research Methods and Case Studymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Optimization of a light guide plate injection molding stability process by integrating Taguchi quality engineering and the gray sequencing method

Lin

Wang²,

et al. 2012

Proceedings of the Institution of Mechanical Engineers, Part B:

View full text Add to dashboard Cite

show abstract

“…In each group, the curves are distinguished from each other by the effect of the feed rate value. Based on a reliability analysis, and using the Taguchi method, Yang et al 20 indicated that the cutting speed is the most significant parameter in the cutting process. Their finding is conforming to what was found in this article.…”

Section: Model Validationmentioning

confidence: 99%

Predicting the remaining useful life of a cutting tool during turning titanium metal matrix composites

Shaban

Yacout

2016

Proceedings of the Institution of Mechanical Engineers, Part B:

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A cutting tool's remaining useful life is what is left for a tool, at a particular working age, in order to reach a pre-specified level of acceptable performance. The prediction of remaining useful life is crucial in order to decrease the scrapped products or the unnecessary interruption of the machining process in order to replace the tool. Consequently, the accuracy of its estimation affects the cost of machining, particularly when the product's material is very expensive. In this article, the remaining useful lifes of 25 identical tools are estimated during turning titanium metal matrix composites. These composites are extensively used in aerospace and aviation industries. Accurate estimation of the remaining useful life has positive impact on product quality in terms of producing the required specifications. In this article, experimental data are gathered, and the proportional hazard model are used in order to model the tool's reliability and hazard functions with EXAKT software and then the remaining useful life curves are developed for different machining conditions, namely, the cutting speed and the feed rate. The use of the proportional hazard model is validated using a normalization process and Kolmogorov-Smirnov test. The proportionality assumption is verified using log minus log plot. The final result is the development of the curves that represent the tools' reliability and the remaining useful life for different machining conditions of the titanium metal matrix composites.

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“…Closer to the structure of the carbon fibers, a number of severing trials were performed on 66 tex E-glass fibers. 17,18 By relying on statistical Taguchi methods, the authors determined the optimal cutting conditions (i.e. cutting speed, volume, and force capable) to minimize the wear on the high-carbon steel thin blade disk cutters used in experiments.…”

Section: Introductionmentioning

confidence: 99%

Instrumented linear cutting device for the analysis of fiber severing process

Adamovsky

Alexander

Kaptur

et al. 2018

Proceedings of the Institution of Mechanical Engineers, Part B:

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In recent years, stringent governmental regulations along with falling carbon fiber prices have pushed high-volume composite manufacturing somewhere at the top of the “to do” list for the majority of carmakers. However, a careful survey of the literature reveals that little is available on the topic of high-throughput severing of the carbon fibers, one of the principal constituents of carbon fiber reinforced polymers. To address this relative paucity of valid scientific information, the major goal of this study was to develop a robust and accurate experimental apparatus capable of establishing correlations between the amount of cutting force developed at the blade/fiber tow/deformable backing interface and various process parameters such as fiber material, tow and backing characteristics, blade geometry/material, and so on. The characteristic cutting force–position curves obtained by means of the developed device suggest that (1) the cutting forces require to cut glass fibers are typically larger (up to 27% observed in this study), (2) softer backings tend to have a positive effect on the fiber severing process both in terms of peak cutting force and total work to cut, and (3) dull blades require either larger severing forces (60 µm blade edge radius was associated with a 21% increase in cutting force) or are simply unable to produce severing of the fibers (80 µm blade edge radius). Future extensions of this work will focus on the determination of systematic correlations between the parameters of fiber severing process.

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Optimal machining parameters in the cutting process of glass fibre using the reliability analysis based on the Taguchi method

Cited by 8 publications

References 9 publications

Optimization of a light guide plate injection molding stability process by integrating Taguchi quality engineering and the gray sequencing method

Optimization of a light guide plate injection molding stability process by integrating Taguchi quality engineering and the gray sequencing method

Predicting the remaining useful life of a cutting tool during turning titanium metal matrix composites

Instrumented linear cutting device for the analysis of fiber severing process

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