Application of the Six Sigma Method to Improve Vulcanization Times in Automotive Tires

IF 0.6 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materiale Plastice Pub Date : 2023-07-03 DOI:10.37358/mp.23.2.5660

Ion Durbacă, Nicoleta Sporea, G. Tomescu, A. Dumitrescu

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Abstract

The present paper considers the use of the results of the evaluations carried out by applying the Six Sigma statistical method to improve the vulcanization times of elastomeric composites on the external manufacturing cycle of several size types of car tires. This statistical approach aims to verify the distribution of the measured values of the external vulcanization times between the normal specification limits to optimize them and improve the performance, efficiency, and quality of the automotive tire vulcanization processes. Through the analysis carried out, the operations that caused delays and defects were identified, a program of corrective measures was carried out and after its execution, the fulfillment of the purpose was verified, namely the optimization of external vulcanization times and reducing the number of faulty tires. The new measured values of the vulcanization times were within the normal limits of the imposed specifications (LSS = 2.5). This situation corresponds to achieving a maximum level of performance and represents the successful completion of the quality improvement project.

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六西格玛方法在提高汽车轮胎硫化时间中的应用

本文考虑利用应用六西格玛统计方法进行的评价结果来改善几种尺寸类型的汽车轮胎的外部制造周期中弹性复合材料的硫化时间。这种统计方法的目的是验证外硫化时间测量值在正常规格限值之间的分布，以优化外硫化时间，提高汽车轮胎硫化工艺的性能、效率和质量。通过分析，找出造成延误和缺陷的工序，制定整改措施方案，并在实施后验证了优化外硫化次数和减少故障轮胎数量的目的的实现。新的硫化时间测量值在规定规范的正常范围内(LSS = 2.5)。这种情况对应于达到最高绩效水平，并代表质量改进项目的成功完成。

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来源期刊

Materiale Plastice MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

1.40

自引率

25.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Materiale Plastice, abbreviated as Mater. Plast., publishes original scientific papers or guest reviews on topics of great interest. The Journal does not publish memos, technical reports or non-original papers (that are a compiling of literature data) or papers that have been already published in other national or foreign Journal.