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Jurnal Mitra Teknik Industri
Published by Universitas Tarumanagara
ISSN : 28293347     EISSN : 2829338X     DOI : https://doi.org/10.24912/jmti
Core Subject : Engineering,
Industrial & Manufacturing Engineering
Jurnal Mitra Teknik Industri (JMTI) adalah Jurnal Ilmiah sebagai wadah pengembangan bidang ilmu Teknik dan Manajemen Industri, berisi hasil kajian dan penelitian dari dosen, peneliti, serta praktisi industri. Jurnal Mitra Teknik Industri diterbitkan oleh Program Studi Teknik Industri Fakultas Teknik Universitas Tarumanagara Jakarta, dalam waktu 1 (satu) tahun terbit 3 (tiga) kali.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 133 Documents
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ANALISIS PENGUKURAN KINERJA GREEN SUPPLY CHAIN MANAGEMENT PADA PERUSAHAAN PELAPISAN LOGAM DENGAN PENDEKATAN GREEN SCOR Lamberth Frederick S C; Mohammad Agung Saryatmo; Carla O Doaly
Jurnal Mitra Teknik Industri Vol. 4 No. 3 (2025): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/3fdzxq45

Abstract

Metal plating and stamping companies face greater challenges in managing waste, energy consumption, and selecting environmentally friendly raw materials. Therefore, the performance of Green Supply Chain Management (GSCM) is crucial to support the sustainability of business operations. This study aims to analyze the GSCM performance in a metal plating and stamping company by using an integrative method combining Green SCOR, Analytical Hierarchy Process (AHP), Objective Matrix (OMAX), and the Traffic Light System (TLS). The Green SCOR model is used to identify the five main processes in the supply chain, AHP is used to determine the priority weights of each performance indicator, and OMAX is applied to measure and evaluate the company’s actual GSCM performance. The results of the study identify which indicators within the overall supply chain process require improvement. Based on the findings, 12 indicators fall into the green category, 2 indicators are categorized as yellow, and 7 indicators are categorized as red. The yellow and red indicators need to be improved in order to enhance the company’s future GSCM performance.
SIMULASI DENGAN PENDEKATAN METODE GREEN LEAN MANUFACTURING GUNA MENGEVALUASI PEMBOROSAN WAKTU PADA PT. ANS DENGAN SISTEM DINAMIS Naswa Salsabila; Ahmad; Andres
Jurnal Mitra Teknik Industri Vol. 4 No. 3 (2025): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/a74c9c23

Abstract

This manufacturing company operates in the automotive industry with a Make to Order (MTO) production system, producing motorcycle engine components. Observations revealed production inefficiencies due to waste in the form of waiting time and excessive motion, leading to increased operational time and costs. This study aims to identify sources of waste, analyze root causes, and propose improvements using the Green Lean Manufacturing approach, which emphasizes both production efficiency and environmental considerations. The methods applied include Value Stream Mapping (VSM), Fishbone Diagram, 5 Why’s analysis, and system dynamics simulation. Based on the Current VSM analysis, the lead time was 268.21 minutes with a Process Cycle Efficiency (PCE) of 77.32%. Proposed improvements include relocating materials closer to machines, preparing tools before production, and adding workplace facilities. The Future VSM showed a lead time reduction of 17.92 minutes and a PCE increase of 1.17%. From the three simulated scenarios, ANOVA test results indicated that Scenario 3 was the most effective in reducing motion waste, while Scenario 2 best reduced waiting time. Both scenarios demonstrated the effectiveness of continuous lean implementation over a five-year period.
PENGUKURAN KINERJA RANTAI PASOK DENGAN KEY PERFORMANCE INDICATOR (KPI) PADA PERUSAHAAN MANUFAKTUR SEPATU MENGGUNAKAN KONSEP GREEN SUPPLY CHAIN MANAGEMENT Fadilah Ikhsan Putra; Mohammad Agung Saryatmo; Andres
Jurnal Mitra Teknik Industri Vol. 4 No. 3 (2025): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/6mebpa98

Abstract

The objective of this research is to develop prioritized indicators for companies by designing performance measurement using the Green Supply Chain Management (GSCM) approach, Key Performance Indicators (KPI), Supply Chain Operations Reference (SCOR) model, Objective Matrix (OMAX), and Traffic Light System to analyze environmentally friendly logistics strategies and concepts in support of corporate sustainability and efficiency. This study was conducted on a footwear manufacturing company. The performance measurement design, based on the green supply chain management concept aligned with the company's vision and mission, resulted in the identification of 45 key performance indicators. The company then selected 20 indicators out of the 45 proposed for further modeling using the Green SCOR method, which includes five perspectives: plan, source, make, deliver, and return. Performance scores were then calculated using the Objective Matrix (OMAX) and the Traffic Light System. The results showed that 12 indicators were marked green, 6 were yellow, and 2 were red. Each perspective received a score as follows, return 9.090, delivery 8.402, source 7.589, make 7.333, and plan 6. The plan perspective received the lowest score, indicating that immediate improvements should be made in the plan perspective, particularly regarding unmet indicators, to achieve the company’s performance targets.
QUALITY IMPROVEMENT ANALYSIS USING THE SEVEN NEW QUALITY TOOLS AND POKA YOKE IN A SAFETY SHOES MANUFACTURING COMPANY Nathaniel; Wilson Kosasih; Lithrone Laricha Salomon
Jurnal Mitra Teknik Industri Vol. 4 No. 3 (2025): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/mv4y6h87

Abstract

This safety shoe company is a manufacturing company that faces various quality issues, such as defects in stitching, leather, mismatched shoe pairs, and incomplete components. Based on production data from March 2024 to February 2025, the most dominant defects were “Mismatched Pairs” and “Incomplete Components,” with a total of 3,694 defective pairs out of 120,000 produced, resulting in a DPMO value of 7,695.83. This study aims to identify the root causes of these defects and design quality improvement solutions using the New Seven Quality Tools and PokaYoke methods. Data were collected through field observations and literature reviews, then analyzed using tools such as the Pareto Diagram, Affinity Diagram, Interrelationship Diagram, Tree Diagram, and Matrix Analysis. The results show that immediate corrective actions include the development of standard operating procedures (SOPs), routine socialization, daily briefings, improved lighting, and component replacement. Long- term solutions, such as adding conveyor belts and implementing preventive maintenance, could not yet be executed due to time and cost constraints. Implementation efforts focused on developing a Poka Yoke-based SOP at the packing station as a concrete step toward improving product quality.
STUDI KASUS PENINGKATAN KUALITAS MENGGUNAKAN METODE SIX SIGMA DAN FMEA PADA PERUSAHAAN CARBON ROD BATERAI Yesaya Hansel Setiawan; Mohammad Agung Saryatmo; I Wayan Sukania
Jurnal Mitra Teknik Industri Vol. 4 No. 3 (2025): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/mg7wy749

Abstract

This research was conducted at PT. XYZ, a company that manufactures carbon rods, by applying the Six Sigma method using the DMAIC and FMEA approaches. The data is taken from production results during the period April 2024 to March 2025, which shows an average defect rate of 4.9%. The initial stage of the research begins with identifying critical to quality (CTQ), which is the need for high-quality carbon rod products that are able to meet customer demand consistently. Process mapping and quality performance calculation were carried out using the Six Sigma method, which resulted in a DPMO value of 6,997 and a sigma level of 3.96. These results show that the production process needs to be improved. The main causes of defects are analyzed using a cause-and-effect diagram based on five types of defects, namely fracture, chipping, cracking, perforation, and tilted position, which are influenced by human factors, machines, methods, and working environments. through FMEA analysis, it was found that the causes of failure with the highest FRPN values were found, such as engine speed that was too high, cleanliness of machinery and other production equipment that is not observed or neglected, and errors in engine adjustment. Proposed improvements are carried out with a Kaizen approach through 5S and five M-checklists, and are implemented in the form of SOPs and checksheets. As a result, the defect rate was successfully reduced from 4.9% to 3.5%.
STRATEGI PENURUNAN DOWNTIME DAN SETUP TIME PADA MESIN HEAT SEAL MENGGUNAKAN PENDEKATAN LEAN MAINTENANCE Michelle Roselyn Ong; Lithrone Laricha Salomon; Wilson Kosasih
Jurnal Mitra Teknik Industri Vol. 4 No. 3 (2025): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/8wtj9758

Abstract

The automotive battery manufacturing industry faces challenges in the effectiveness of its machine maintenance systems, particularly in the heat seal machine, which recorded the highest downtime with a total of 12,722 minutes and 434 occurrences from April 2024 to March 2025. This study aims to identify waste in breakdown maintenance activites, analyze the root causes, and provide improvement recommendations based on lean maintenance, The method used is Maintenance Value Stream Mapping (MVSM) to identify value-added (VA) and non-value-added (NVA) activities, and to calculate maintenance efficiency using indicators such as MTTO, MTTR, MTTY, and MMLT. In addition, root cause analysis is conducted using the five whys method and data collection through observation, interviews, and focus group discussion (FGD). The results show that maintenance efficiency is only 32.97% with NVA activities dominating at 67.03%. The identified types of waste include waiting, motion, process, and defects. The proposed improvements include the implementation of floation technicians, addition of trolleys, digitalization of the maintenance system using a Computerized Maintenance Management System (CMMS), and placement of toolboxes and equipment trolleys on the production floor. The implementation of the future state map shows an increase in efficiency to 38.22% and a reduction of NVA activities to 61.78%. These results indicate that the lean maintenance approach through systems.
SYSTEMATIC LITERATURE REVIEW: ANALISIS LEAN SIX SIGMA UNTUK MENINGKATKAN EFISIENSI PROSES PRODUKSI DI INDUSTRI MANUFAKTUR Florencia Charlene Teng; Lithrone Salomon
Jurnal Mitra Teknik Industri Vol. 5 No. 1 (2026): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v5i1.38031

Abstract

The purpose of this paper is to explore the topic of Lean Six Sigma (LSS) application in the manufacturing sector and to identify existing research gaps within this field. The study employed a Systematic Literature Review (SLR) methodology. The database utilized for identifying relevant literature was the Scopus website. The findings are presented through a detailed quality assessment of the retrieved articles according to the defined research scope. A total of 26 relevant articles were identified, with the inclusion criteria requiring them to be published and registered in Scopus-indexed international journals. The systematic literature review applied in this paper allows for the regular and thematic highlighting of emerging trends and challenges in Lean Six Sigma, thereby facilitating future work as LSS continues to evolve.
ANALISIS KECOCOKAN BAHAN CORDURA UNTUK TAS HEWAN PELIHARAAN Anjerina Hartanto Widjaya; Claudia Glory Marchatmyna; Wilson Patrick Tirtamidjaja; Meirista Wulandari
Jurnal Mitra Teknik Industri Vol. 5 No. 1 (2026): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v5i1.38035

Abstract

The growing number of pet owners in urban areas has led to an increasing demand for pet carriers that offer safety, comfort, and durability. Cordura is one of the materials often considered because of its well-known strength, tear resistance, abrasion resistance, and easy maintenance. This paper aims to evaluate how suitable Cordura is as the primary material for pet carriers by examining several aspects, including durability, water resistance, texture comfort, lightness, and ease of cleaning. A quantitative approach was used by distributing questionnaires to 50 pet owners. The collected data were analyzed using the Kolmogorov-Smirnov test to assess normality and the Chi-Square test to determine the relationship between Cordura’s characteristics and its perceived suitability for pet carriers. The results indicate that the data follow a normal distribution (sig. 0.184) and that there is a significant relationship between Cordura’s attributes and its suitability for use in pet carriers (sig. 0.000). These findings show that Cordura offers the essential qualities needed for pet carriers, providing a combination of safety, comfort, and long-lasting durability that aligns with the expectations of pet owners.
PENGURANGAN BEBAN KERJA TEKNISI LISTRIK DAN MEKANIK CV. GUNUNG MURIA MELALUI INTERVENSI ERGONOMI Lamto Widodo; Adianto; I Wayan Sukania
Jurnal Mitra Teknik Industri Vol. 5 No. 1 (2026): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v5i1.38036

Abstract

Gunung Muria is a company engaged in the sale, purchase, and generator service. From the results of the SSRT and NBM questionnaires, it was found that workers with the highest level of fatigue and musculoskeletal complaints were in the electrical technician work unit and mechanic. For the flip generator engine work posture get RWL and LI calculation with LI result of 12,83 so it has a musculoskeletal risk. The next stage is to design work tools using the Analytical Hierarchy Process (AHP) method. With the use of workbench tools, the value of the level of ergonomic risk decreased from before. REBA scores on generator engine servicing activities decreased from 7 to 3 in sitting and standing positions, flip the generator engine down from 10 to 5 in a sitting position and 2 in a standing position, genset engine side service decreased from 8 to 3 in the seated position and 2 in the standing position. OWAS scores for all activities decreased to 1. The results of the NBM questionnaire showed that physical complaints were reduced from 14 to 5 body parts.
PERANCANGAN DAN ANALISIS JAW GRIPPER PADA STASIUN PERAKITAN MODULAR SISTEM PRODUKSI MENGGUNAKAN METODE FAILURE MODE AND EFFECTS ANALYSIS Bryan Willynata; Agus Halim; Didi Widya Utama
Jurnal Mitra Teknik Industri Vol. 5 No. 1 (2026): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aims to design and analyze the jaw gripper on the Modular Production System (MPS) assembly station. This study was conducted by analyzing using Failure Mode and Effect Analysis (FMEA). The design serves to adjust the shape and size of the work object in the form of a cap, piston, spring and cylinder body so that the assembly process can run smoothly. The design was made using Fusion 360 software and the production process used PLA+ material with a 3D printing method. Strength analysis was carried out using the static stress method in Fusion 360 software with safety factor parameters VonMises stress, Displacement and Strain. The minimum safety factor value obtained for the cap is 4,795, the spring is 2,485, and the piston is 6,17, so that the analysis results indicate that the design is in a safe state. The stress and deformation values obtained are also still within the permitted limits. The calculation of the minimum gripping force value is 0,56 N and the holding force is 0,22 N. Failure Mode and Effect Analysis analysis is used to help prevent potential system failures. The research results show that the jaw gripper design is able to increase the reliability, efficiency and safety of the assembly system.

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