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Journal : Jurnal Rekayasa Proses dan Industri Terapan

Analisis Pengendalian Kualitas Produk Base Plate Kereta Api Dengan Menggunakan Metode Seven Tools Di PT Sinar Semesta Ahmad Sobirin; Ari Zaqi Al Faritsy
Jurnal Rekayasa Proses dan Industri Terapan Vol. 1 No. 3 (2023): Agustus : Jurnal Rekayasa Proses dan Industri Terapan ( REPIT )
Publisher : Politeknik Kampar

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Abstract

PT Sinar Semesta is an industrial company engaged in metal casting, one of which is Base Plate which is located on Jl. Raya Solo-Yogya Km. 26 Klepu, Ceper, Klaten. The problem that arises at PT Sinar Semesta is product quality that needs to be improved so that it can compete with other products on the market. Therefore to improve product quality, PT Sinar Semesta needs to be directly supported by all parties in the company and all operators, especially the production operators. This study used the Seven Tools Quality with the results of the research that in January - December 2021 PT Sinar Semesta produced 2091 Base Plate products, with a total of 301 defects. There were three types of defects studied in January - September 2021, namely perforated with 95 defects in Base Plate products, porous defects with 139 defects, and rough surface defects with 67 defects with a defect percentage of 31.56%, 46, 17%, and 22.26%.
Pengukuran Kualitas Produk EQ Spacing Dengan Metode Statistic Quality Control (SQC) Dan Fault Tree Analysis (FTA) Di PT Sinar Semesta Rudi Setiadi; Ari Zaqi Al Faritsy
Jurnal Rekayasa Proses dan Industri Terapan Vol. 1 No. 3 (2023): Agustus : Jurnal Rekayasa Proses dan Industri Terapan ( REPIT )
Publisher : Politeknik Kampar

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Abstract

PT Sinar Semesta is an industrial company engaged in metal casting. The problems that arise at PT Sinar Semesta are what type of disability is the most dominant and what factors influence the type of disability. The purpose of this research is to find out the types of product defects, and the solutions that can be taken to overcome these problems. This study uses the Statistical Quality Control (SQC) method used to control quality from the initial process to the finished product and Fault Tree Analysis (FTA) is used to determine what factors cause defects in the product. Based on the results of a pareto chart analysis from November 2021 to October 2022, the total production was 3008 products, there were 838 defective products. There are two types of defects in the Eq Spacing product, including defects in the tail of rats obtained at a percentage of 91.53% with a cumulative percentage of 91.53% and water defects obtained at a percentage of 8.47% with a cumulative percentage of 100%. Factors causing defects with the greatest weight are careless operators and fatigue for the proposal obtained, namely supervising workers so that accuracy can be maintained.