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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 JiTEKH (Jurnal Ilmiah Teknologi Harapan) Idarotuna : Jurnal of Administrative Science Priviet Social Sciences Journal
Narto, Narto
Universitas Qomaruddin
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation

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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.
STRATEGI KEUNGGULAN KOMPETITIF INDUSTRI KREATIF OLAHAN HASIL LAUT DENGAN PENDEKATAN METODE SOAR DAN QSPM Narto, Narto; Ismail, Mohammad; Harimukti, Gatot Basuki
JURNAL REKAYASA SISTEM INDUSTRI Vol 9 No 2 (2024): Mei 2024
Publisher : Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/jrsi.v9i2.8733

Abstract

The seafood of the north coast of East Java has a variety of commodities, along with the growing creative industry is able to support the economy of coastal communities.  The obstacles faced by creative industry players are supply chains that are not well integrated, lack of sustainable product development and innovation. The research aims to explore the internal and external factors owned by creative industry players on the north coast of East Java, coastal industry players have a major role in supporting the economic sustainability of coastal communities and developing alternative strategies for processed seafood creative industries that have a competitive advantage. Mapping of internal factors is obtained through the IFAS matrix with a score of 3.1909 while the EFAS matrix score value is 2.8712. The preparation of alternative strategies using SOAR analysis obtained 5 alternative strategies and through the QSPM matrix obtained the greatest strategic weight, namely optimising the management of biological resources to improve the national economy through the number of exports of marine and fishery products.  To realise this strategy, sustainable steps are needed by improving the supply chain starting from providing subsidised fuel oil for fishermen to reduce operational costs, downstreaming the seafood processing industry, product innovation tailored to each export destination country.
INTEGRASI METODE SWOT DAN QFD UNTUK MENINGKATAN DAYA SAING USAHA MELALUI PENGEMBANGAN PRODUK OTAK-OTAK BANDENG GRESIK Narto Narto
Spektrum Industri Vol. 18 No. 1: April 2020
Publisher : Universitas Ahmad Dahlan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/si.v18i1.13990

Abstract

Gresik milkfish brain is a commodity from strategic ponds that has high economic value. An increase in population and high competition in the industrial era 4.0, the industry must be supported by competitive strategies to obtain a broad market share. To win the competition the industry must innovate products in accordance with consumer demand. The purpose of this research is to identify strengths and weaknesses as well as opportunities and threats, find out the desires and needs of consumers that have not been fulfilled in the preparation of milkfish brains, design effective business strategies through product development. Based on the results of the research using the SWOT method, a competitiveness strategy is obtained that is designing attractive packaging with the characteristics of the city of Gresik by using special materials that are environmentally friendly, product innovation oriented to new product variants, building a system of purchasing raw materials and supporting materials as well as integrated sales distribution, materials raw choice and processing of production processes that adopt technology. Product development that can be done with the QFD approach is to create new variants with priority on original, sweet, spicy flavors, each package uses an ergonomic design and secondary colors. The inner packaging material is coated with an antimicrobial edible coating
Design of Supply Chain Management (SCM) performance measurement model using SCOR and Analytical Hierarchy Process (AHP): A case study at PT. Circle Pro Group (Central Java-Klaten) Ibnu Nafis Al Khawarizmi; Narto Narto; Suparno Suparno
Priviet Social Sciences Journal Vol. 6 No. 1 (2026): January 2026
Publisher : Privietlab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55942/pssj.v6i1.1222

Abstract

This study aims to design a performance measurement model for Supply Chain Management (SCM) at PT Circle Pro Group, Klaten, Central Java, using the Supply Chain Operations Reference (SCOR) model and Analytical Hierarchy Process (AHP). The PT Circle Pro Group has not implemented any SCM performance measurement system, resulting in unclear performance levels and difficulties in identifying improvement priorities. The SCOR model was used to structure SCM activities into Plan, Source, Make, Deliver, and Return, whereas AHP was applied to determine the weight and priority of performance indicators. A total of 17 validated indicators were developed based on the SCOR processes and company conditions. The measurement results indicated an SCM performance score of 91.47, which was categorized as above average. However, several indicators scored below 90, particularly forecast accuracy, raw material planning, and supplier delivery punctuality. Recommendations for improvement include strengthening forecasting processes, optimizing procurement planning, and enhancing supplier performance evaluation. This study produces a structured SCM performance measurement model tailored for PT Circle Pro Group, enabling continuous evaluation and improvement. The model can be adapted by other service-based companies with similar operational characteristics.
Optimasi Pengendalian Bahan Baku Phospat Menggunakan Metode Economic Order Quantity (EOQ) dan Periodic Order Quantity (POQ) di PT XYZ Suparno Suparno; Nailul Izzah; Anik Rufaidah; Narto Narto
Jurnal Optimalisasi Vol 12, No 1 (2026): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v12i1.14798

Abstract

This study addresses the importance of raw material inventory control in maintaining production continuity and minimizing operational costs in manufacturing companies. Ineffective inventory policies may lead to overstock or stockout conditions, both of which negatively impact efficiency and cost performance. Therefore, this research aims to determine the most optimal inventory control method for phosphate raw materials at PT. XYZ by comparing the Economic Order Quantity (EOQ) and Periodic Order Quantity (POQ) methods. A quantitative approach was employed using demand forecasting data, ordering cost, holding cost, and lead time. The annual demand for phosphate raw materials was estimated at 3,875,850 kg. The results show that the company’s current policy generates a total inventory cost of Rp26,629,000 per year. The EOQ method produces an optimal order quantity of 3,742.56 kg per order with a total inventory cost of Rp42,750,797 per year. Meanwhile, the POQ method results in an optimal ordering interval of every four months, with an order quantity of 1,291,950 kg and a significantly lower total inventory cost of Rp9,385,000 per year. Both methods yield the same reorder point (ROP) of 42,476 kg. Based on the analysis, the POQ method is the most efficient inventory control approach due to its ability to minimize total inventory costs and better accommodate fluctuating demand patterns. However, its implementation should consider warehouse capacity and operational constraints.
Analisis Pemborosan pada Proses Produksi Bakery dengan Pendekatan Lean Manufacturing dan FMEA Narto; Moh. Ismail Hamim; Sutrisno; Moch Mahsun
Idarotuna : Journal of Administrative Science Vol. 6 No. 2 (2025): November
Publisher : Program Study Office Adminstrative of Akademi Komunitas Teknologi Syarifuddin Lumajang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54471/idarotuna.v6i2.176

Abstract

The goal of this study is to increase the effectiveness of CV. Sinar Mutiara Pangan's donut production process, which is struggling with operational waste. The background of this issue is the removal of non-value-adding tasks in an effort to increase productivity. In order to precisely detect and map waste, the lean manufacturing concept is applied using a number of crucial analysis techniques, including Big Picture Mapping, Pareto diagrams, VALSAT, and FMEA. The analysis's findings show that waiting, needless motion, and overproduction are the three main categories of waste.Waste waiting earned the highest Risk Priority Number (RPN) of 294, making it the highest priority for improvement. The absence of an appropriate scheduling and information integration system, ineffective production space layout, and poor work coordination were the primary fundamental reasons. The overall lead time was reduced by 5,640 seconds, from 17,760 seconds to 12,120 seconds, following the implementation of the suggested changes. A far more efficient production process with less waiting time and a smoother process was achieved by successfully reducing the number of activities from 22 to 15 and eliminating all non-value-added activities for 2,340 seconds to 0 seconds.
Analisis Pengendalian Kualitas Produksi Roti UMKM Menggunakan Seven Tools dan 5W+1H untuk Menurunkan Tingkat Kecacatan Moh. Ririn Rosyidi; Narto Narto; Nailul Izzah; Anik Rufaidah
JiTEKH Vol. 14 No. 1 (2026): March 2026
Publisher : Universitas Harapan Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35447/jitekh.v14i1.1297

Abstract

Quality control in bakery MSMEs still has defects and inconsistencies in food quality in the production process. The defect rate reached 17.3% (3,474 units out of 20,085 production), dominated by unrisen bread (53.1%) and burnt bread (46.9%), with the production process not statistically controlled (11 points outside the control limits; CL=0.1730; UCL=0.2122; LCL=0.1337). This study aims to identify the root causes of defects through the 4M approach and formulate recommendations for structured, measurable, and sustainable improvements. The main contribution of the research is to develop a proactive, data-based quality control system with the integration of Seven Tools and 5W+1H, which was previously only descriptive-diagnostic. Proactive management is realized through the determination of critical parameters before production by paying attention to the final mixing dough temperature of 26°C, mixing duration of 12 minutes (standard deviation <1 minute), first fermentation of 50 minutes, final proof of 45 minutes in the proofer (temperature 36°C), oven temperature of 185±2°C, preheating of 10 minutes, sugar content of 10% of the flour weight (tolerance of ±1 gram), minimum dough thickness of 1.2 cm and digital scales. Specific suggestions such as monthly oven calibration (deviation ≤±5°C), replacement of black pans with silver aluminum (heat absorption -25%), and standardization of baking time of 18 minutes with an alarm, are proven to be able to change the quality control strategy of MSMEs from final inspection (reactive) to continuous statistical process control (proactive). After the implementation of the proposed improvements, the control chart showed 13 data points were within the control limits (UCL=0.2122; LCL=0.1337), which indicated the production process was statistically under control with significant stability improvement, the target was to reduce the total defect rate from 17.3% to ≤9% with good planning.
Co-Authors Anik Rufaidah Anik Rufaidah Dwi Junianto Gatot Basuki HM Gatot HM Harimukti, Gatot Basuki Ibnu Nafis Al Khawarizmi Khanifatus Sa'diyah Moch Mahsun MOH RIRIN ROSYIDI Moh. Ismail Moh. Ismail Hamim Moh. Ririn Rosyidi Muhammad Ajir Muzakki Muhammad Hafidz Yusuf Nailul Izzah Nailul Izzah Suparno Suparno Sutrisno