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All Journal SPEKTRUM INDUSTRI TEKMAPRO Journal of Industrial Engineering and Management JURNAL REKAYASA SISTEM INDUSTRI Kaizen : Management Systems and Industrial Engineering Journal Jurnal INTECH Teknik Industri Universitas Serang Raya Jurnal Ilmiah Teknik Industri Jurnal Optimalisasi
Narto, Narto
Teknik Industri Universitas Qomaruddin Gresik
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Journal : Jurnal Optimalisasi

 1 
Analisis Kualitas pada Produksi Tahu menggunakan Metode Statistical Quality Control (SQC) Suparno Suparno; Narto Narto
Jurnal Optimalisasi Vol 8, No 2 (2022): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v8i2.5912

Abstract

CV. Sumber Rejeki is a home industry that makes tofu, where in its production the company has not conducted a quality analysis. Because quality analysis has not been carried out properly, resulting in very high product defects that occur during production. In this study, the analysis carried out aims to identify what types of damage occur, and provide suggestions for improvements using the Statistical Quality Control (SQC) method. The research data were processed using the Statistical Quality Control (SQC) method with several stages of activity, namely making examination sheets, histograms, making Pareto diagrams, making control charts, and making cause-and-effect diagrams. The results showed that there were three types of defects, namely soft texture, wrong cut, and dirt. Through the Pareto diagram, it is clear that the percentage of damage to the soft texture is 5,116 bj or 38.8%, the second defect is 4.262 bj or 32.3%, and the last or lowest defect is 3,810 bj or 28.9 cut errors. %. Based on the analysis of the cause-and-effect diagram to find the root cause of the problem, it was found that there were four factors that needed to be improved, these factors were workers, machines, raw materials, and methods. Actions that can be taken to reduce product defects are to carry out regular machine maintenance, provide adequate training to workers, improve discipline, carry out good control of soybean raw materials.
Pengendalian Kualitas Produk Batu Nisan di Kota Gresik dengan Pendekatan Seven Tools Moh. Ririn Rosyidi; Narto Narto
Jurnal Optimalisasi Vol 9, No 1 (2023): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v9i1.6766

Abstract

In the Industrial Age 4.0, when business competition is increasing and growing, business people are also required to be able to maintain and increase their existence in products, This tombstone is one of the product needs when approaching the Idhul Fitri holiday because many people will replace the tombstones that have died or if a relative has passed away. Sadar Gresik UMKM produces tombstones and there is a defect problem that occurs, namely experiencing thin cracks and chipped corners of tombstones in April 2022 Sadar UMKM can produce an average of 41 gravestones in one day and for an average defect in 1 month 11 tombstones. In this study, aims to find out the quality control needed so that the tombstone products can control defects, by using the seven tools to find out the factors that cause defects and can control the defects by knowing the NP line on the control chart. Seven tools can also identify the causes and effects of defects and with the addition of 5W+1H recommendations will be made regarding the problems encountered. factors from the results of fishbone Diagrams that require evaluation which include human factors, materials, methods, environment where these factors cause the number of tombstone defects to be 174 thin cracks and tombstone corners to chip 121. To control defects in tombstone products so that at the midpoint of NP 11.8 is right at the midpoint of the control chart. From several factors that are already known in thin cracked tombstones, namely carrying out quality control of 5W + 1H tombstones, so that they can control these defects in accordance with predetermined product specifications/standards, the process of making tombstone products, employees who work on these have responsibilities, the need for training/skill training for the process of making the tombstones and monitoring the evaluation of the workers, the angle of the tombstones, namely carrying out quality control so as to minimize product defects, so that the quality produced is maintained according to the specified standards, the process of making tombstone products, employees those who do it have the responsibility, make repairs on a regular basis.
Co-Authors Dwi Junianto Gatot Basuki HM Gatot HM Harimukti, Gatot Basuki Khanifatus Sa'diyah MOH RIRIN ROSYIDI Mohammad Ismail Muhammad Ajir Muzakki Muhammad Hafidz Yusuf Suparno Suparno