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All Journal JURNAL PASTI (PENELITIAN DAN APLIKASI SISTEM DAN TEKNIK INDUSTRI) JISI UMJ (Jurnal Integrasi Sistem Industri UMJ) JITTER (Jurnal Ilmiah Teknologi Informasi Terapan) GERVASI: Jurnal Pengabdian kepada Masyarakat Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Journal of Industrial Engineering and Operation Management (JIEOM) Jurnal Ilmiah Wahana Pendidikan Industrika : Jurnal Ilmiah Teknik Industri Jurnal Sains dan Teknologi Jurnal Teknologi dan Manajemen Industri Terapan SENTRI: Jurnal Riset Ilmiah Innovative: Journal Of Social Science Research Jurnal Taguchi : Jurnal Ilmiah Teknik dan Manajemen Industri Jurnal Multidisiplin Teknologi dan Arsitektur Kohesi: Jurnal Sains dan Teknologi Spektrum Industri Jurnal Akuntansi, Ekonomi dan Manajemen Bisnis
Tiaradia Ihsan
Universitas Widyatama
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Perancangan Ulang Tata Letak Pabrik Dengan Menggunakan Metode CRAFT Anjani Jovita; Rifky Aditya Cahyana; Rafli Naufal Rahman; Tiaradia Ihsan
Jurnal Teknologi dan Manajemen Industri Terapan Vol. 5 No. 2 (2026): Jurnal Teknologi dan Manajemen Industri Terapan
Publisher : Yayasan Inovasi Kemajuan Intelektual

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55826/jtmit.v5i2.1503

Abstract

Efisiensi tata letak fasilitas merupakan faktor krusial dalam meminimalkan biaya penanganan material (Material Handling Cost atau MHC). Penelitian ini dilakukan pada fasilitas produksi winding trafo yang memiliki kendala inefisiensi aliran material pada tata letak awal, yang berdampak pada tingginya biaya operasional. Tujuan dari penelitian ini adalah merancang tata letak usulan yang lebih optimal untuk mereduksi jarak perpindahan dan biaya penanganan material. Metodologi yang digunakan adalah algoritma Computerized Relative Allocation of Facilities Technique (CRAFT) berbasis Microsoft Excel Add-ins yang diintegrasikan dengan Activity Relationship Chart (ARC) sebagai pertimbangan kualitatif. Hasil analisis menunjukkan bahwa tata letak awal memiliki biaya penanganan material sebesar Rp 7.220.504,5. Setelah dilakukan dua tahap iterasi dan penyesuaian berdasarkan derajat kedekatan ARC terhadap 15 departemen, dihasilkan tata letak usulan final dengan nilai biaya sebesar Rp 4.386.049. Implementasi rancangan tata letak baru ini berhasil memberikan efisiensi penurunan biaya penanganan material sebesar 39,26% dari kondisi awal. Hasil ini membuktikan bahwa integrasi algoritma CRAFT dan analisis ARC efektif dalam meningkatkan efisiensi aliran produksi dan produktivitas fasilitas.
Analisis Performa Dies Blank pada CV. ABC Menggunakan Metode Overall Equipment Effectiveness (Oee) dan Failure Mode and Effect Analysis (FMEA) Nenden Septihani; Elvira Firdayanti; Imanuel Christiawan Prasetyo; Tiaradia Ihsan
Jurnal Akuntansi, Ekonomi dan Manajemen Bisnis Vol. 6 No. 2 (2026): Juli : Jurnal Akuntansi, Ekonomi dan Manajemen Bisnis
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jaemb.v6i2.10059

Abstract

CV. ABC, a tier-3 metal component manufacturer for motorcycles, faces productivity decline due to frequent blank die failures in seat lock plate production, exacerbated by conventional machines and material variations like SPHC and SK85. This study aims to analyze blank die performance and identify critical failure causes using Overall Equipment Effectiveness (OEE), Fishbone Diagram, and Failure Mode and Effect Analysis (FMEA). Employing a quantitative descriptive case study design, the population comprised all blank die operations in October, with a purposive sample of 24 workdays (one shift, 10 hours/day). Instruments included observation sheets for production data and semi-structured interviews; analysis involved OEE calculations, root cause mapping, and RPN computation. Results show OEE at 75.55% (below Nakajima's 85% standard), with availability 90.91%, performance 87.72%, quality 94.73%, and downtime losses of 8,820 units. Fishbone analysis revealed six failure aspects, while FMEA prioritized punch dies (RPN 360), dies (288), and punch piercing (256). In conclusion, focused maintenance on critical components will enhance productivity and replicability in similar industries.
Perancangan Ulang Tata Letak Fasilitas Produksi Menggunakan Algoritma CORELAP dan CRAFT pada CV CTR Dony Sastra Danuatmaja; Oktavian Endiyansyah; Fadly Rizky Dermawan; Tiaradia Ihsan
SENTRI: Jurnal Riset Ilmiah Vol. 5 No. 2 (2026): SENTRI : Jurnal Riset Ilmiah, Februari 2026
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/sentri.v5i2.5557

Abstract

In the Indonesian manufacturing industry, production efficiency is a key factor in improving company competitiveness, as a significant portion of operational costs originates from material handling activities. Inefficient facility layouts often result in long material flow distances, increased processing time, and high material handling costs. This study aims to optimize the facility layout of CV CTR, a manufacturing company producing ropes and threads, which currently experiences inefficient material flow due to improper departmental arrangement. The research applies a combination of the CORELAP (Computerized Relationship Layout Planning) algorithm and the CRAFT (Computerized Relative Allocation of Facilities Technique) method. CORELAP is used to construct an initial layout based on departmental closeness relationships, while CRAFT is employed to refine the layout through iterative department exchanges to minimize material handling costs. The results indicate that the proposed layout reduces the total Material Handling Cost (MHC) from Rp912,346.84 per day to Rp692,819.43 per day, achieving a 24% reduction. This confirms that the integration of CORELAP and CRAFT effectively improves material flow efficiency and reduces operational costs.
Usulan Perancangan Ulang Tata Letak Workshop Produksi Spun Pile PT. Xyz Menggunakan Metode Systematic Layout Planning (SLP) dan Metode Grafik Beverly Jessa Surentu; Radhinka Mahsa Aziza; Militya Christy Emmanuela Melale; Tiaradia Ihsan
SENTRI: Jurnal Riset Ilmiah Vol. 5 No. 1 (2026): SENTRI : Jurnal Riset Ilmiah, Januari 2026
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/sentri.v5i1.5599

Abstract

Facility layout design plays an important role in improving material flow efficiency in production systems. The spun pile production workshop at PT. XYZ involves sequential processes and large, heavy materials, while the existing layout has not fully considered process sequence and material handling intensity, resulting in long material handling distances and Work in Process (WIP) accumulation. This study aims to redesign the facility layout of the spun pile production workshop at PT. XYZ using Systematic Layout Planning (SLP) and the Graph Method, and to compare the effectiveness of both methods. A descriptive quantitative approach was employed using data on facility dimensions, workstation positions, and material flow. Data analysis included evaluation of the existing layout, development of ARC, FTC, TCR, and ARD. The results show that the SLP-based layout produces a total material handling distance of 5,415.86, which is lower than the graph method layout 5,431.16 and the existing layout 5,473. Therefore, the SLP method is considered more effective in improving material flow efficiency at PT. XYZ.
Usulan Perbaikan Tata Letak Bagian Proses Produksi pada PT. X Menggunakan Metode SLP dan Craft Fidea Rahma; Andika Rendra Al-Ghoffard; Firly Arviani Yasla; Tiaradia Ihsan
SENTRI: Jurnal Riset Ilmiah Vol. 5 No. 1 (2026): SENTRI : Jurnal Riset Ilmiah, Januari 2026
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/sentri.v5i1.5600

Abstract

PT X is a company engaged in the natural extract industry that still faces facility layout problems in its production process, particularly in the simplisia extract production area. The existing facility layout is not arranged according to the production process sequence and the degree of closeness between departments, resulting in inefficient material flow, long material handling distances, and increased material handling costs. This study aims to redesign the production facility layout to improve material flow efficiency and minimize material handling costs. The methods used are Systematic Layout Planning (SLP) to analyze the closeness relationships between departments through the Activity Relationship Chart (ARC) and Activity Relationship Diagram (ARD), and the Computerized Relative Allocation of Facilities Technique (CRAFT) to optimize the layout quantitatively using a From-To Chart with the support of WinQSB software. The results indicate that the proposed layout improves the production process flow and reduces material handling distance and cost compared to the initial layout. The combination of SLP and CRAFT is proven to be effective in producing a more systematic, efficient, and economical production facility layout, thereby supporting increased productivity and operational efficiency at PT X.
Usulan Perbaikan Proses Produksi Berbasis Lean Manufacturing untuk Meningkatkan Process Cycle Efficiency pada Industri Komponen Otomotif Hana Anggraini; Tiaradia Ihsan
Industrika : Jurnal Ilmiah Teknik Industri Vol. 10 No. 3 (2026): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/az3av109

Abstract

PT XYZ faces a significant issue with the high rate of finished goods delivery delays, particularly in the Metal Line, where delays peaked at 74 occurrences in a single month. This study aims to identify the root causes of delivery delays, classify waste activities, and develop improvement proposals based on Lean Manufacturing principles. The research methods include direct observation, interviews, and data analysis using Value Stream Mapping (VSM), Process Activity Mapping (PAM), and Root Cause Analysis (RCA) with a Fishbone Diagram. Process Cycle Efficiency (PCE) is used to measure process efficiency by comparing value-added time to the total lead time required for the process. The results indicate that only 8.6% of activities are value-added, while the remaining activities are non-value-added, including waiting time, material movement, and machine setup. The proposed improvements include layout optimization, implementation of the Single-Minute Exchange of Dies (SMED) method, and the development of a future state mapping. The implementation of these improvements increased the PCE value to 10.91%, reflecting a 2.31% improvement in process efficiency and a reduction in waste activities. Therefore, the proposed improvements are expected to significantly reduce delivery delays and enhance overall production performance. Keywords: Delivery Delay, Lean Manufacturing, Process Cycle Efficiency, Value Stream Mapping, Waste
Analisis Efektivitas Mesin Water Jet Loom Menggunakan Metode Overall Equipment Effectiveness (OEE) di Divisi Weaving PT X Muhammad Izzul Haq; Tiaradia Ihsan
Industrika : Jurnal Ilmiah Teknik Industri Vol. 10 No. 3 (2026): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/wn7s0b63

Abstract

The Water Jet Loom (WJL) machines in PT X’s Weaving Division frequently experience operational disruptions, with a total downtime of 4,545 minutes, primarily in March and April 2025. This study evaluates WJL effectiveness using the Overall Equipment Effectiveness (OEE) method with a descriptive qualitative approach, focusing on availability, performance, and quality, based on downtime and production data from January to June 2025. Data collection techniques included observation, interviews, and analysis of downtime and production data. Data processing involved calculating availability, performance, and quality rates using OEE formulas. The results show an average OEE of 74.88%, below the global standard of 85%, with a performance rate of 80.99% and a quality rate of 93.92%. Fishbone analysis identified key causes: operator errors, suboptimal operational methods, unsupportive work environment, worn components, and delayed spare parts procurement. Therefore, improvements are needed in various factors contributing to reduced performance, as depicted in the fishbone diagram, to significantly enhance the OEE value. Keywords: Downtime, Machine Effectiveness, OEE, Water Jet Loom
Analisis OEE (Overall Equipment Effectiveness) dan Six Big Losses dalam Menilai Efektivitas Mesin CNC Pada Proses Produksi PT DEF Tantan Tandiansyah; Melinda Cryselia Maysandi Limbong; Sulaksono Mahesa Putra; Tiaradia Ihsan
Industrika : Jurnal Ilmiah Teknik Industri Vol. 10 No. 3 (2026): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/gvxcq711

Abstract

This research is motivated by initial findings indicating that the Computer Numerical Control (CNC) machines at PT DEF exhibit various operational inefficiencies, including high downtime, unstable production speed, and an increased number of defective products. These conditions suggest that machine effectiveness is not yet optimal and may negatively affect productivity while increasing operational costs. Therefore, this study aims to evaluate the level of Overall Equipment Effectiveness (OEE) and identify the categories of the Six Big Losses that contribute most significantly to the decline in machine performance. The study was conducted through the calculation of OEE components (availability, performance, and quality) and an analysis of the Six Big Losses based on direct observations, interviews with operators, and production data from January to March 2025. The results indicate that the average OEE value of  82,98% remains below the international standard of 85%. The largest losses originate from Breakdown Losses at 38% and Idling & Minor Stoppages at 20%, followed by Reduced Speed and Defect in Process, each contributing 12%. These findings demonstrate that machine reliability and production process stability are the dominant factors requiring improvement. Accordingly, strengthening preventive maintenance and optimizing operational parameters are recommended to enhance production effectiveness. Keywords: CNC Machine, Overall Equipment Effectiveness, Preventive Maintenance, Six Big Losses
Co-Authors Alicia, Tresa Alifah Nur Astari Alifah Nur Astari Andika Rendra Al-Ghoffard Anjani Jovita Anwar, Asep Arianty Syamsi, Wuri Asep Anwar Asep Saepuloh Beverly Jessa Surentu Damur Rochman, Didit Didit Damur Rochman Diwianti, Enrica Salsa Dony Sastra Danuatmaja Elvira Firdayanti Fadly Rizky Dermawan Falwaguna, Muhammad Salka Febrianto Maulana, Ferdy Fidea Rahma Firdaus, Hersa Ridwan Firly Arviani Yasla Guna, Sura Hana Anggraini Ihwal Ramadhan Imanuel Christiawan Prasetyo Jovita, Anjani Larasati, Rekha Trya Luthfi Ibrahim Marselo Delpiero Namotemo Melinda Cryselia Maysandi Limbong Militya Christy Emmanuela Melale Muhammad Izzul Haq Mustofani, Muhammad Mikoriza Nenden Septihani Oktavian Endiyansyah Oktaviani, Mila Radhinka Mahsa Aziza Rafli Naufal Rahman Rendiyatna Ferdian Rifky Aditya Cahyana Setianto, Nasrul Sulaksono Mahesa Putra Tandiansyah, Tantan Tantan Tandiansyah Teten Hidayat Waliyani, Resti