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All Journal Jurnal Teknoin Jurnal INTECH Teknik Industri Universitas Serang Raya Jurnal Sistem Teknik Industri Jurnal Riset Teknik Industri Bandung Conference Series: Industrial Engineering Science
Chaznin R Muhamad
Jurusan Teknik Industri, Fakultas Teknik, Universitas Islam Bandung
Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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Penerapan Lean Manufacturing pada Lini Produksi Hinge AFT dan Hinge FWD 10070220016, Ahmad Hidayat Naqsabandi; Nita P. A. Hidayat; Chaznin R. Muhammad
Bandung Conference Series: Industrial Engineering Science Vol. 5 No. 2 (2025): Bandung Conference Series: Industrial Engineering Science
Publisher : UNISBA Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/bcsies.v5i2.18621

Abstract

Abstract. PT. Dirgantara Indonesia (PT. DI) is a manufacturing company that produces the first aircraft in Indonesia. PT. DI implements a strategy to respond to the Engineering to Order (ETO) and Make to Order (MTO) markets. Based on the observation results, there are several activities that cause waste, namely defects, transportation and waiting time. The waste that occurs can result in companies taking longer to complete the products they produce. Therefore, Lean Manufacturing is used as an effort to reduce waste. The tools that will be used in this study are SIPOC Diagram, Value Stream Mapping (VSM), Pareto Diagram, Causal Diagram, Failure Mode and Effect Analysis (FMEA), and 7 Waste Questionnaire. The results obtained from the stage of identifying waste using the 7 Waste Questionnaire are that there are four types of the highest waste, namely defect, transportation, waiting time and motion. The waste is then identified to find out the factors that cause waste using the Cause and Effect Diagram, so that it can be used as input to calculate the Risk Priority Number (RPN) using FMEA. Based on the recommendations, the proposed improvements include designing a maintenance checklist, designing visual work standardization using a monitoring form, adding tools in the form of a reach truck, and redesigning the production layout. If the proposed improvement recommendations are implemented, it will result in a total production lead time that decreases from 409.89 minutes to 348.74 minutes. In addition, the Process Cycle Efficiency (PCE) value increased from 53.71% to 63.13%. Abstrak. PT. Dirgantara Indonesia (PT. DI) merupakan perusahaan manufaktur yang memproduksi pesawat terbang pertama di Indonesia. PT. DI menerapkan strategi merespon pasar Engineering to Order (ETO) dan Make to Order (MTO). Berdasarkan hasil observasi terdapat beberapa aktivitas yang menyebabkan pemborosan, yaitu defect, transportation dan waiting time. Pemborosan yang terjadi dapat mengakibatkan perusahaan memerlukan waktu yang lebih lama untuk menyelesaikan produk yang dihasilkannya. Oleh karena itu, Lean Manufacturing digunakan sebagai upaya untuk mengurangi pemborosan. Tools yang akan digunakan pada penelitian ini adalah Diagram SIPOC, Value Stream Mapping (VSM), Diagram Pareto, Diagram Sebab Akibat, Failure Mode and Effect Analysis (FMEA), dan Kuesioner 7 Waste. Hasil yang diperoleh dari tahapan mengidentifikasi pemborosan dengan menggunakan Kuesioner 7 Waste yaitu terdapat empat jenis pemborosan tertinggi yaitu defect, transportation, waiting time dan motion. Pemborosan tersebut kemudian diidentifikasi untuk mengetahui faktor penyebab terjadinya pemborosan dengan menggunakan Diagram Sebab Akibat, sehingga dapat dijadikan input untuk menghitung Risk Priority Number (RPN) dengan menggunakan FMEA. Berdasarkan rekomendasi, maka usulan perbaikan berupa perancangan maintenance checklist, perancangan standarisasi kerja secara visual dengan menggunakan form monitoring, penambahan alat bantu berupa reach truck, dan perancangan ulang layout produksi. Apabila usulan rekomendasi perbaikan diimplementasikan, maka akan menghasilkan total production lead time yang menurun dari 409,89 menit menjadi 348,74 menit. Selain itu, nilai Process Cycle Efficiency (PCE) mengalami peningkatan dari 53,71% menjadi 63,13%.
Reduksi Waste dan Peningkatan Kinerja Produksi Sepatu Menggunakan Lean Six Sigma Silvia Listi Melinda; Chaznin R. Muhammad; Reni Amaranti
Bandung Conference Series: Industrial Engineering Science Vol. 5 No. 2 (2025): Bandung Conference Series: Industrial Engineering Science
Publisher : UNISBA Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/bcsies.v5i2.17410

Abstract

Abstract. PT Primarindo Asia Infrastructure Tbk is a company that produces various types of shoes, one of which is Tomkins school shoes. However, the company always produces defective products above tolerance, namely 2% of production output. In addition, types of waste (waste) other causes production lead time becomes longer, namely excessive transportation and waiting activities. Percentage calculation results Process Cycle Efficiency (PCE) current condition is 49.24%. Results of calculating the average value level sigma in January - November 2024 is 3.95. Based on these two indicators, it shows that improvement efforts are needed. Improvement efforts are carried out using the method Lean Six Sigma. Recommendations for improvement are made by increasing supervision during the production process, providing measuring tools and visual systems, rearranging component and mold storage areas, improving mold quality and material control, optimizing drying time and temperature settings, as well as changing transportation equipment from trolleys to transport cars. If the recommendations for improvement are implemented, it is hoped that there will be an increase in the PCE percentage value, namely to 58.74% and the average value level sigma increased to 4.19. Abstrak. PT Primarindo Asia Infrastructure Tbk merupakan perusahaan yang memproduksi berbagai macam jenis sepatu salah satunya adalah sepatu sekolah Tomkins. Namun perusahaan selalu menghasilkan produk cacat di atas toleransi yaitu 2% dari hasil produksi. Selain itu, ditemukan jenis pemborosan (waste) lain yang menyebabkan production lead time menjadi lebih panjang yaitu aktivitas transportasi dan menunggu yang berlebih. Hasil perhitungan persentase Process Cycle Efficiency (PCE) kondisi saat ini sebesar 49,24%. Hasil perhitungan rata-rata nilai level sigma pada bulan Januari - November 2024 adalah 3,95. Berdasarkan dua indikator tersebut menunjukkan bahwa perlu adanya upaya perbaikan. Upaya perbaikan dilakukan dengan menggunakan Metode Lean Six Sigma. Rekomendasi perbaikan dilakukan dengan melakukan peningkatan pengawasan selama proses produksi, penyediaan alat ukur dan sistem visual, penataan ulang area penyimpanan komponen dan cetakan, perbaikan kualitas cetakan dan kontrol material, optimalisasi pengaturan waktu dan suhu pengering, serta perubahan alat transportasi dari troli menjadi mobil angkut. Apabila rekomendasi perbaikan tersebut diimplementasikan, maka diharapkan terjadi peningkatan nilai persentase PCE yaitu menjadi sebesar 58,74% dan rata – rata nilai level sigma meningkat menjadi 4,19.
Penerapan Lean Manufacturing pada Lini Produksi Hinge AFT dan Hinge FWD Ahmad Hidayat Naqsabandi; Nita P. A. Hidayat; Chaznin R. Muhammad
Jurnal Riset Teknik Industri Volume 5, No. 2, Desember 2025, Jurnal Riset Teknik Industri (JRTI)
Publisher : UPT Publikasi Ilmiah Unisba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/jrti.v5i2.8282

Abstract

Abstrak. PT. Dirgantara Indonesia (PT. DI) merupakan perusahaan manufaktur yang memproduksi pesawat terbang pertama di Indonesia dan menerapkan strategi produksi Engineering to Order (ETO) serta Make to Order (MTO) dalam merespons kebutuhan pasar. Berdasarkan hasil observasi, ditemukan beberapa aktivitas yang menimbulkan pemborosan (waste), yaitu defect, transportation, dan waiting time, yang berdampak pada lamanya waktu penyelesaian produk. Untuk mengurangi pemborosan tersebut, penelitian ini menggunakan pendekatan Lean Manufacturing. Alat analisis yang digunakan meliputi Diagram SIPOC, Value Stream Mapping (VSM), Diagram Pareto, Diagram Sebab Akibat, Failure Mode and Effect Analysis (FMEA), serta Kuesioner 7 Waste. Hasil identifikasi menunjukkan empat jenis pemborosan tertinggi, yaitu defect, transportation, waiting time, dan motion. Faktor penyebab pemborosan dianalisis menggunakan Diagram Sebab Akibat dan dijadikan dasar perhitungan Risk Priority Number (RPN) melalui FMEA. Usulan perbaikan meliputi perancangan maintenance checklist, standarisasi kerja visual menggunakan form monitoring, penambahan reach truck, serta perancangan ulang layout produksi. Implementasi perbaikan menurunkan production lead time dan meningkatkan nilai Process Cycle Efficiency (PCE). Abstract. PT. Dirgantara Indonesia (PT. DI) is a manufacturing company that produces the first aircraft in Indonesia and implements Engineering to Order (ETO) and Make to Order (MTO) production strategies to respond to market demands. Based on observations, several activities were identified as sources of waste, namely defect, transportation, and waiting time, which contribute to longer product completion times. To reduce these wastes, this study applies the Lean Manufacturing approach. The analytical tools used include the SIPOC Diagram, Value Stream Mapping (VSM), Pareto Diagram, Cause and Effect Diagram, Failure Mode and Effect Analysis (FMEA), and the 7 Waste Questionnaire. The results indicate four dominant types of waste: defect, transportation, waiting time, and motion. The causes of these wastes were analyzed using the Cause and Effect Diagram and served as the basis for calculating the Risk Priority Number (RPN) through FMEA. Improvement proposals include designing a maintenance checklist, visual work standardization using a monitoring form, adding a reach truck, and redesigning the production layout. The implementation of these improvements reduced production lead time and increased Process Cycle Efficiency (PCE).
Penerapan Lean Six Sigma dalam Peningkatan Kinerja Produksi Spring Guide Sansan Octavian; Endang Prasetyaningsih; Chaznin R. Muhammad
Jurnal Riset Teknik Industri Volume 6, No. 1, Juli 2026, Jurnal Riset Teknik Industri (JRTI)
Publisher : UPT Publikasi Ilmiah Unisba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/jrti.v6i1.10039

Abstract

Abstract. PT Gradien Manufaktur Indonesia is a manufacturing company that produces motorcycle shockbreker components using make-to-order (MTO) and engineering-to-order (ETO) strategies. Such systems demand high process efficiency and superior product quality. However, wastes in the form of waiting, defects, and excess inventory are still prevalent in the production process, resulting in suboptimal production performance. This research aims to identify dominant wastes, analyze root causes of the issues, and formulate improvement recommendations to enhance production performance. The methodology employed is Lean Six Sigma with the DMAIC (Define, Measure, Analyze, Improve, Control) approach. Analytical tools utilized include Value Stream Mapping (VSM), 7 Waste, VALSAT, and fishbone diagrams, along with performance measurements using Process Cycle Efficiency (PCE), Defects Per Million Opportunities (DPMO), and sigma levels. The results indicated an initial PCE of 64.33% and a DPMO of 3.215,22 with a sigma level of 4,225. Proposed improvements comprising preventive maintenance, process time standardization, and material flow control successfully increased the PCE to 72.23%, reduced the DPMO to 3,074.29, and improved the sigma level to 4,24. Abstrak. PT Gradien Manufaktur Indonesia merupakan perusahaan manufaktur yang memproduksi komponen shockbreker sepeda motor dengan stategi make-to-order dan engineering-to-order. Sistem ini menuntut efisiensi proses dan kualitas produk yang tinggi. Namun, dalam proses produksi masih ditemukan pemborosan berupa waiting, defect, dan excess inventory yang berdampak pada rendahnya kinerja produksi. Penelitian ini bertujuan untuk mengidentifikasi pemborosan dominan, menganalisis akar penyebab permasalahan, serta merumuskan usulan perbaikan guna meningkatkan kinerja produksi. Metode yang digunakan adalah Lean Six Sigma dengan pendekatan DMAIC (Define, Measure, Analyze, Improve, Control). Alat analisis meliputi Value Stream Mapping (VSM), 7 Waste, VALSAT, diagram fishbone, serta pengukuran kinerja menggunakan Process Cycle Efficiency (PCE), Defects Per Million Opportunities (DPMO), dan tingkat sigma. Hasil penelitian menunjukkan nilai PCE sebesar 64,33% dan DPMO sebesar 3.215,22 dengan tingkat sigma 4,225. Usulan perbaikan yang diberikan berupa preventive maintenance, standarisasi waktu proses, dan pengendalian aliran material mampu meningkatkan PCE menjadi 72,23%, menurunkan DPMO menjadi 3.074,29, serta meningkatkan tingkat sigma menjadi 4,24.
Co-Authors 10070215009, Liya Adriyani Hatlessy 10070216022, Fani Firmansyah 10070219105, Muhammad Reza Rizqi Muttaqin 10070220016, Ahmad Hidayat Naqsabandi A.M., M. Dzikron Aaf Saefurrohman Agusti Setia Ningsih Ahmad Hidayat Naqsabandi Aji Saeful Rohman Alif Abi Hanif Ari Ramdani Asep Nana Rukmana Aviasti Ayu Diah Amalia Dea Legina Ayu Kusumah Deva Akbar Faturohman Dewi Shofi M. Dwinur Rahmah Meidy Putri Endang Prasetyaningsih Fikri Ramadhan Firna Elshadi Fitria Zahrannisa Hilda Syaidatul Ulfah Iffan, Iffan Arief Andita Indra Dewantara Jefri Khairunnas Josef H Nudu Kevin Girindra Abiyoga Maulana Muwahid, Irfan Mohamad Satori Muhammad Farash Syahmi Nita P. A. Hidayat Nita P. A. Hidayat Nita P.A Hidayat Nita P.A. Hidayat Nita Puspita Anugrawati Hidayat Normic Julius Pangestu Nugraha Nugraha Raihan Rabbani Rakhmat Ceha Ranny Nur'aeni Reka Yudistira Reni Amaranti Ruchiyat, Ilyas Sansan Octavian Sarah Citrawati Sarah Citrawati Shinthia Riyanto Silvia Listi Melinda Suwandi Wafiq, Rafa Auliya Yanti Sri Rejeki Ziarini Febriani