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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 1,355 Documents
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Perencanaan Persediaan Bahan Baku dan Evaluasi Supplier Studi Kasus di PT. Romi Violeta Syafi Ul Nur Wahid; Siti Mundari
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58601

Abstract

PT. Romi Violeta is an export furniture manufacturing company in Buduran, Sidoarjo, which faces the problem of inconsistency in mindi wood inventory due to fluctuations in demand for superior products. This condition causes stockouts, disrupts the production process, and hinders shipments. Another problem shows the unstable performance of 12 active suppliers. This study aims to determine optimal inventory planning and select the best suppliers using the Silver Meal Heuristic, Safety Stock, Reorder Point (ROP), and Analytical Hierarchy Process (AHP) methods. The results of the study showed that the Silver Meal method produced 9 optimal order cycles with a total inventory cost of IDR 3,908,169, more economical than IDR 234,303 compared to actual conditions and was able to eliminate 5 stockout incidents. The value of Safety Stock is 784 pcs and ROP is 1,697 pcs. Based on AHP, the reject rate is the main criterion, and CV. AP was selected as the best supplier with a global priority value of 0.1220.
Analisis Performa Sumur Apt-017 Berdasarkan Data Sonolog & Dynagraph di Lapangan Sangatta Field Niagra Portibi Dolokdaribu; Syarifudin Nur Wahit; Jeremi Devito
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58606

Abstract

Declines in well performance in mature fields are often caused by complex interactions between fluid conditions and the performance of artificial lift systems. This study aims to analyze the performance of Well APT-017 in the Sangatta Field using Sonolog and Dynagraph data through the SODYNA integration approach. The data used includes production data, fluid level measurements, and pump cards from field testing. The analysis results show that production decreased from 18–20 BOPD to 10–12 BOPD. Sonolog indicates that the fluid level is at a depth of 967.31 ft with gas-cut fluid conditions, while Dynagraph indicates gas interference, low pump fillage, and signs of valve leakage. The integrated results of both methods show that fluid is present, but its quality does not support optimal pump performance. This study recommends optimizing the pumping system and gas control to improve well production efficiency.
Pengendalian Kualitas Kemasan Produk Biskuit di Industri Manufaktur dengan Metode DMAI Ahmad Rizal Maulana; Siti Muhimatul Khoiroh
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58621

Abstract

PT. XYZ, a biscuit manufacturing industry, faces a product quality decline issue due to a high rate of packaging defects. This study aims to identify the causes of these defects and formulate improvement strategies using the DMAI (Define, Measure, Analyze, Improve) method. Data collection focused on packaging defects analyzed using Pareto diagrams, p-control charts, and DPMO calculations. Root causes were identified using a fishbone diagram, and improvement proposals were structured through the 5W1H approach. The results revealed four main defects: leaking (28.21%), unsealed (26.47%), torn (23.16%), and faint coding (22.16%), with a DPMO level of 29.91. The main causes of defects were machine factors and a lack of operator accuracy. The proposed recommendations include implementing Standard Operating Procedures (SOP), preventive machine maintenance schedules, and regular operator training.
Analisis Keseimbangan Lintasan Produksi untuk Meminimimalkan Waktu Tunggu Proses Produksi pada PT. XYZ Alim Mulya Wibowo; Erni Puspanantasari Putri
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58630

Abstract

This study aims to analyze the production line balance to minimize bottlenecks and waiting times in the cardboard packaging production process at PT. XYZ. The initial production line, consisting of 5 workstations, exhibited low efficiency, with a line efficiency of 40.84%, a balance delay of 59.16%, and a smoothness index of 13.189. The approach used to address this workload imbalance issue is the Ranked Positional Weight (RPW) method. The analysis results recommend a structural change by consolidating work elements into 3 integrated workstations. This proposed improvement yields a significant increase in line performance, with line efficiency rising to 68.06%, balance delay decreasing to 31.94%, and the smoothness index improving to 7.135. In conclusion, the RPW method has proven effective in balancing the production line and improving production efficiency.
Implementasi Six Sigma dalam Pengendalian Defect Product pada Engine Assembly Line PT XYZ Restu Faidin; Supriyati Supriyati; Supriyanto Supriyanto
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58646

Abstract

This study aims to analyze and reduce oil leakage defects in the Oil Leak Test process at the Engine Assembly Line of PT XYZ using the Six Sigma method with the DMAIC (Define, Measure, Analyze, Improve, Control) approach. Research data were collected from May to October 2025 with a total production of 73,644 units and 381 defects identified. The measurement results showed a Defects Per Million Opportunities (DPMO) value of 398 with a sigma level of 4.85. Pareto analysis indicated that the dominant defect occurred in the damper pulley area. Fishbone analysis identified defect causes related to human, machine, method, material, and environmental factors. Improvement actions included torque wrench interlock implementation, automatic air blow installation, additional component inspection, and material protection. After implementation, the DPMO decreased to 208 and the sigma level increased to 5.03. The results indicate that the Six Sigma method effectively improves the quality of the Oil Leak Test process.
Analisis Risiko Cacat dan Biaya Kegagalan Produk Bak Mandi dan Pot Teraso Ovika Agustin Anugrah Niawan; Herlina Herlina
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58670

Abstract

UD. Nuraji Pot is a trading company that produces bathtubs and terrazzo pots that still experience product defects, causing company losses. This study aims to analyze the root causes of product defects using Root Cause Analysis (RCA), determine the level of failure risk using Failure Mode and Effect Analysis (FMEA), calculate the cost of failure using Cost of Quality (COQ), and launch the implementation of improvements in the production process. Data were obtained through observation, interviews, and data documentation for the production period July–December 2025. The results showed that the types of defects that occurred included fine cracks, breaks during shipping, and uneven coating. The results of the FMEA analysis showed that fine cracks in the drying and mold release process had the highest Risk Priority Number (RPN) value of 504. The total cost of failure before repair was Rp. 186,839,412.00. The implementation of improvements succeeded in reducing the percentage of defects from 2.32% to 1.39% and reducing the cost of failure by 37.54%.
Studi Eksperimental Analisis Pengaruh Serbuk Cangkang Bekicot dan Bakteri Bacillus Subtilis pada Tanah Lunak Terhadap Nilai Kepadatan dan Kuat Tekan Tanah di Kecamatan Wonoayu - Sidoarjo Divia Rahma Putri; Laily Endah Fatmawati; Andi Patriadi
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58689

Abstract

This study aims to analyze the effect of adding snail shell powder and Bacillus subtilis bacteria on the physical and mechanical properties of clay soil in Wonoayu District, Sidoarjo. Based on the USCS classification, the original soil was categorized as OH soil with high plasticity and low bearing capacity. Laboratory tests conducted in this study included water content, volumetric test, specific gravity, Atterberg limits, Proctor test, and Unconfined Compression Strength (UCS). The mixtures used consisted of 5%, 10%, and 15% snail shell powder combined with 6% Bacillus subtilis and cured for 7 days. The results showed that the stabilization process reduced water content, void ratio, degree of saturation, and soil plasticity values. The maximum dry density increased from 1.447 gr/cm³ to 1.536 gr/cm³, while the highest UCS value was obtained in the 15% SCB + 6% BS mixture at 0.53108 kg/cm². These results indicate that the combination of snail shell powder and Bacillus subtilis effectively improves the stability and strength of clay soil.
Analisis Pengaruh Stabilisasi Tanah Lempung Lunak Menggunakan Bakteri Bacillus Subtilis dan Kapur Terhadap Nilai Parameter Fisis Tanah dan Kepadatan Tanah Satria Jiro Jovian; Laily Endah Fatmawati
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58691

Abstract

The development of infrastructure in Sidoarjo requires stable soil conditions, especially in areas dominated by soft clay soils. This study aims to determine the effect of soil stabilization using Bacillus subtilis bacteria and lime on the physical and compaction properties of soil. Laboratory tests were conducted on original soil and stabilized soil using 3% Bacillus subtilis bacteria with lime variations of 10% and 15% during a 3-day curing period. The results showed that the addition of Bacillus subtilis and lime reduced water content and optimum moisture content (OMC), while increasing the maximum dry density (MDD). The optimum mixture was obtained from 3% Bacillus subtilis and 15% lime, with an MDD value of 1.977 gr/cm³ and OMC of 19%. These results indicate that Bacillus subtilis and lime can improve soil density and stability. Therefore, this stabilization method has the potential to be applied as an alternative ground improvement technique for soft clay soils.
Analisis Produktivitas Melalui Metode Terintegrasi OEE, FMEA, dan TPM pada Mesin Hydraulic Dished End Press (Studi Kasus: PT. Meco Inoxprima) Nadya Shavira Julia Azzahra; Wiwin Widiasih
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58740

Abstract

Machine productivity is a critical factor in the success of manufacturing production systems. This study aims to analyze the effectiveness of the Hydraulic Dished End Press at PT Meco Inoxprima and identify the primary causes of the machine’s performance decline using an integrated approach combining OEE, FMEA, and TPM. Based on operational data from September 2025 to February 2026, the average OEE value was 44,96%, far below the world-class standard of 85%. The component contributing the most was the performance rate (average 64,20%). An analysis of the Six Big Losses identified setup and adjustment losses (12,50%) and equipment failure losses (11,93%) as the largest losses. Through FMEA, the most critical failure modes were hydraulic seal leaks (RPN 432), hydraulic pump failure (RPN 300), and die wear (RPN 280). Improvement proposals based on the TPM pillars were implemented in April 2026 and continued in May 2026, resulting in and increase in the OEE value from 44,96% to 61,92%, demonstrating the continued impact of sustained TPM implementation.
Analisis Perencanaan Produksi dan Perencanaan Bahan Baku untuk Meminimalkan Biaya Produksi pada UD. Tunggal Freda Julia Najah; Sajiyo Sajiyo
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58745

Abstract

UD. Tunggal is a small-scale cracker industry in Gresik that still applies traditional production planning and raw material procurement. This condition leads to imbalances between production and demand, as well as excess raw material inventory. This study aims to develop optimal production planning using Moving Average forecasting, Aggregate Planning (Chase Strategy), and Master Production Schedule (MPS), as well as raw material planning using Economic Order Quantity (EOQ) and Silver Meal methods. Data covers the period March 2025–February 2026. The Moving Average method yielded MAD 222, MSE 67,271.8, and MAPE 7.48%. Chase Strategy aggregate planning resulted in a total cost of IDR 498,613,684.21, lower than Level Strategy at IDR 499,016,923.70. The implementation of the Silver Meal method resulted in a total inventory cost amounting to IDR 1,063,672,375, which is 22.43% more efficient than the company's current policy. Estimated lost sales during the study period reached 672 packs with a financial loss of IDR 53,760,000.

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