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Jurnal Teknik Industri Terintegrasi (JUTIN)
Published by Universitas Pahlawan Tuanku Tambusai
ISSN : 26208962     EISSN : 26208962     DOI : 10.31004jutin
Core Subject : Science, Engineering,
Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Jurnal Teknik Industri Terintegrasi merupakan jurnal yang dikelola oleh Program Studi Teknik Industri Fakultas Sains dan Teknologi Universitas Pahlawan Tuanku Tambusai yang menjebatani para peneliti untuk mempublikasikan hasil penelitian di bidang ilmu teknik dan teknik industri mencakup proses manufaktur, kegagalan dan rekayasa material, perawatan berbasis keandalan, keselamatan kerja, perancangan sistem kerja dan ergonomi, pengendalian dan penjaminan mutu, tata letak fasilitas, penelitian operasional, kewirausahaan dan pengembangan bisnis
Arjuna Subject : -
Articles 1,048 Documents
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Kerangka Konseptual Optimalisasi Pengendalian Persediaan pada Produk Perishable Alfarisi, Salman; Ardiansyah, Arif
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.48812

Abstract

Inventory management is a critical component of the retail industry, particularly in the context of perishable products. The objective of this study is to propose a conceptual framework for the selection of inventory control strategies, with the aim of enhancing cost efficiency for perishable products with limited lifetime. In this study, we first analyze the inventory control of perishable products according to sales levels data using the ABC classification method. Subsequently, demand patterns are identified to determine the inventory method to be used. This study identifies the potential of the Periodic Review System to determine the optimal order quantity, thereby enhancing cost efficiency. This study utilizes the fruit retail sector as a case study to implement the proposed conceptual framework. The findings indicate that the Periodic Review System has the potential to minimize total inventory expenses in comparison with the existing conventional method.
Identifikasi Waste Defect Type 2 Dengan Pendekatan Metode Lean Manufacturing Untuk Meminimalisir Cacat Produksi pada ProsesTurning di CV. ABC Hamidah, Nur; Sulistyowati, Enik; Riyana, Iis
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.48869

Abstract

CV. ABC is a wood-processing manufacturing company with one of its main products being turning components. The primary issue faced by the company is waste caused by frequent product defects due to human error. This study aims to minimize non-value-added activities and identify the root causes of human error in the turning production process. The Value Stream Mapping (VSM) method is used to map the process flow from raw materials to finished products. Data were collected through questionnaires and analyzed using WAM, WRM, and WAQ. The results identified the three highest types of waste: defect (27.979%), overproduction (15.471%), and inventory (12.363%). Waste prioritization was carried out using VALSAT, with PAM and QFM selected as the most influential tools. Fishbone analysis revealed lack of focus and attention to detail as the main causes of human error. Improvements were proposed through skill enhancement training, occupational health and safety (OHS) implementation, and regular checklist usage. As a result, processing time was reduced from 2,384.2 minutes to 2,247.4 minutes, as illustrated in the Future State VSM.
Penerapan Metode Multiplicative Decomposition (Seasonal) Untuk Peramalan Produksi Al-Qur’an Fayaqun, Reza; Sumarna, Dani Leonidas; Sulistiyaningsih, Febriani
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.49153

Abstract

Production planning is crucial for companies, especially for best-selling products. The B5-sized Qur'an is a best-selling product, especially around Eid al-Fitr and major Muslim holidays. Fluctuations in demand, which tend to fluctuate, force Qur'an-producing companies to plan production in a measurable manner. This is absolutely essential to ensure that production output can meet future demand. A suitable method for forecasting production with such a demand pattern is Multiplicative Decomposition (Seasonal). This method is often used not only to generate forecasts but also to generate information regarding the components of time series and the appearance of various factors, such as trends, cycles, seasonality, and irregularities in the observed results. The results of the forecasting calculations using the Multiplicative Decomposition method show that the MAD value is 240.84, MSE 89,811.47 and MAPE 0.1 or 10% where the MAPE error is relatively small, below 20%, so it is hoped that the Multiplicative Decomposition method can be used as a method for forecasting the production of B5-sized Al-Qur'ans in the future period. 
Integrating Value Stream Mapping, Waste Assessment Model, and Root Cause Analysis to Improve Loading–Unloading Efficiency at PT XYZ Sulistyowati, Enik; Munawaroh, Madinatul
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.49182

Abstract

The loading and unloading process often becomes a bottleneck in the distribution of bottled drinking water due to excessive waiting time. This study aims to identify and minimize such delays using Value Stream Mapping (VSM). To strengthen the analysis, the Waste Assessment Model (WAM) was applied to examine the interrelationships among different types of waste, while Root Cause Analysis (RCA) was employed to uncover the main contributing factors. The study was conducted at a bottled water company experiencing significant delays in queuing and inspection stages. Following the implementation of improvement measures, time efficiency increased by 17.53%. The findings demonstrate that accurately identifying waste can enhance operational efficiency, streamline workflow, and enable the company to operate more productively.
Analisis Pengendalian Kualitas untuk Mengurangi Ketidakstabilan Nilai Larutan Brine Chiller Viscose Menggunakan Metode Statistical Process Control pada Departement Chiller di PT. XYZ Kosim, Komara; Ramdhani, Rizky Fajar; Amalia, Akhsani Nur
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.49542

Abstract

PT. XYZ is one of the largest artificial rayon fiber companies in the world that produces artificial fibers made from cellulose with quality that matches natural fibers. The purpose of this study is to determine the current quality control method for defective products of viscose brine chiller solution at PT. XYZ. The results of the study revealed that quality control at PT. XYZ is not good, seen from the individual moving range control chart at several points outside the upper control limit, namely: 27, 57 and for the lower control limit, namely: 55.
Evaluasi Cement Mill : Neraca Massa dan Neraca Energi pada Cement Mill Indarung V PT Semen Padang Annisa , Dwi; Parmanaon, Durain; Rahmad, Alfein; Indrianto, Dodi
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 4 (2025): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i4.42607

Abstract

PT Semen Padang, as the largest Cement producer in Indonesia, employs a multi-stage Cement production process, comprising a Raw Mill, a Kiln, and a Cement Mill. The Cement Mill process, serving as the final grinding stage, plays a crucial role in Cement production. Here, clinker, gypsum, pozzolan, and limestone are mixed and ground into Cement, facilitated by grinding media and impact or tumbling forces. This study aimed to investigate the hot gas requirements and efficiency of the a Cement Mill unit, with a focus on the mass balance and energy balance of the Indarung V Cement Mill at PT Semen Padang. The results indicated that the mass of air utilized in the a Cement Mill unit was 132.96 tons/hour, while the water requirement was 3.68 tons/hour. The total mass balance value was 336.95 tons/hour, and the total energy balance value was 4,213,679 Kcal/hour.
Analisis Dampak Pengaruh False Air pada Kenaikan Persentase Oksigen (O2) pada Coal Mill di PT Semen Padang Indarung V Annisa , Dwi; Parmanaon, Durain; Rahmad, Alfein; Ankarani, Panca
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 4 (2025): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i4.42608

Abstract

This research aims to analyze the impact of False Air on the increase in Oxygen (O2) percentage in the Coal Mill at PT Semen Padang Indarung V. False air or unwanted air leakage is a serious problem that can affect the efficiency of Coal Grinding processes and combustion quality in the Kiln. The research was conducted using operational data collection methods over 6 months, including measurements of O2 levels, Mill Temperature, differential pressure, and Grinding Efficiency. The analysis results show a significant correlation between increased False Air and Increased O2 percentage, where every 1% increase in False Air causes a 0.5% increase in O2 levels and a 2% decrease in Grinding Efficiency. Other identified impacts include an Average Mill temperature decrease of 5°C, a 15% increase in ID Fan power consumption, and a reduction in Grinding capacity of up to 10%. The implementation of improvement programs such as seal replacement, Mill housing repair, and ventilation system optimization has been proven to reduce O2 levels to reach the ideal value of 3-4% and increase grinding efficiency. This research contributes to understanding the influence of False Air on Coal Mill performance and can serve as a reference in preventive maintenance programs to prevent air leakage in Coal Mill systems.
Analisis Pencampuran Jamur dengan Desain Eksperimen Menggunakan Pendekatan Fishbone Diagram di CV Budi Daya Jamur Sejati Hermawanto, Roki; Riyanti, Iis; Sulistyowati, Enik
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.45662

Abstract

Fishbone diagram analysis on oyster mushroom production at CV Budidaya Jamur Sejati which produces oyster mushroom baglog on a large scale offers more than one or two types of Baglog. To analyze defects in the production process, the fishbone diagram is very suitable for the oyster mushroom industry production process. From the fishbone diagram, it shows that production defects are caused by human factors, materials, environment, and methods. These factors include lack of supervision of raw materials, selection of seeds and inappropriate soil mixtures, poor air circulation, pest attacks, poor cleanliness, less than tight baglog arrangement, and imperfect inoculation process. Based on this analysis, the suggestions given are to increase supervision of raw materials, improve the quality of raw materials, improve cleanliness and air circulation, and improve the quality of the production process. With the implementation of these suggestions, it is hoped that CV Budidaya Jamur Sejati can improve the quality and quantity of oyster mushroom production and increase the company's competitiveness in the market
Pengendalian Persediaan Spare Part Menggunakan Metode ABC dan Probabilistik Continuous System (Q) di PT. XYZ Nurcahyo, Fajar; Lahay, Idham Halid; Uloli, Hendra
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.45972

Abstract

Inventory control is a very important managerial function because physical inventory usually involves the largest capital investment in current assets for many companies. Therefore, inventory must be managed and recorded well so that the company can sell its products and generate revenue, thus achieving the company's goals. With inventory, companies are able to carry out the production process continuously and avoid shortages of goods and delays in meeting customer demand, which can be detrimental to the company. Not optimal control of spare parts inventory can result in inventory shortages (out of stock). This study aims to optimize inventory with the ABC method and the probabilistic model Q. The results show the classification of spare parts into categories A (41%, 81%), B (18%, 10%), and C (41%, 9%). The Model Q reduces inventory costs by IDR 295 million. This study provides practical recommendations for inventory management in the automotive industry.
Analisa Pengendalian Kualitas Produk HUBAB di PT. Dalwa Anugrah Hasaniyah Menggunakan Metode Six Sigma Takwah, Khoiruz Zadit
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.46006

Abstract

This study aims to evaluate the quality control of HUBAB brand bottled drinking water (AMDK) produced by PT. Dalwa Anugrah Hasaniyah using the Six Sigma method. Data were collected through observation, interviews, and literature studies of production data and defective products during December 2024 to January 2025. Based on the results of the analysis, the average value of Defects Per Million Opportunities (DPMO) was 1813.06 with a sigma level of 4.44. The most common types of defects include damage to the lid and cup leakage. The main factors causing lid damage include inadequate raw material quality, excessively high press machine temperatures, and worker carelessness. Meanwhile, the cause of cup leakage is due to the accumulation of raw materials exceeding the maximum limit, storage for too long, and operator negligence.

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