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All Journal Jurnal Teknik Industri KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan TEKMAPRO Journal of Industrial Engineering and Management JISI UMJ (Jurnal Integrasi Sistem Industri UMJ) REKAYASA Sistemasi: Jurnal Sistem Informasi Journal of Industrial Engineering Management EKONOMIS : Journal of Economics and Business Matrik : Jurnal Manajemen dan Teknik Industri Produksi Jurnal Teknik Industri Terintegrasi (JUTIN) Academia Open Nusantara Science and Technology Proceedings Indonesian Journal of Industrial Engineering & Management Juminten : Jurnal Manajemen Industri dan Teknologi Journal La Lifesci Journal La Multiapp Indonesian Journal of Innovation Studies JAMBURA: JURNAL ILMIAH MANAJEMEN DAN BISNIS Jurnal Teknik Mesin, Industri, Elektro dan Informatika IIJSE Serambi Engineering

Rr. Rochmoeljati

Department Of Industrial Engineering, Faculty Of Engineering, Universitas Pembangunan Nasional “Veteran” Jawa Timur, Surabaya 60294, Indonesia

Author-ID : 362901

Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Physics Social Sciences Other

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Implementasi Value Stream Mapping dan Value Stream Analysis Untuk Meminimalisir Pemborosan Waktu Pendistribusian di PT. Nur Jaya Energi Berliana Dian Novitasari; Rochmoeljati Rochmoeljati
JUMINTEN Vol 2 No 6 (2021): Juminten: Jurnal Manajemen Industri dan Teknologi
Publisher : UPN Veteran Jawa Timur

Nur Jaya Energi adalah perusahaan non-manufaktur yang mengkhususkan diri pada logistik transportasi. PT Nur Jaya Energi ingin mengurangi pemborosan terkait distribusi untuk meningkatkan pendapatan bersih lebih besar dan tetap kompetitif di pasar. Mengidentifikasi dan mengurangi pemborosan dalam proses distribusi bahan bakar minyak adalah tujuan riset ini. Pendekatan “Failure Mode dan Effect Analysis (FMEA)” dan tools value stream mapping dipakai pada riset ini. Berdasarkan hasil riset dalam value stream mapping penelitian menunjukkan pengurangan waktu dari 590 menjadi 510 menit. Menurut FMEA, akar penyebab masalah pada pemborosan terbesar yang diketahui ialah terjadinya kesalahan operator dan pengaturan mesin yang salah dengan prosedur. Rekomendasi perbaikan yang dapat diusulkan yaitu melakukan koordinasi antara perusahaan saat terjadi kerusakan pompa agar tidak terjadi bottleneck berkepanjangan yang dapat memperlambat waktu pengiriman.

Pengendalian Kualitas Pengelasan Menggunakan Metode Statistical Quality Control (SQC) dan Failure Mode Effect Analysis (FMEA) di PT. PAL Indonesia Nafa Artha Cahaya Mulia; Rochmoeljati Rochmoeljati
JUMINTEN Vol 2 No 6 (2021): Juminten: Jurnal Manajemen Industri dan Teknologi
Publisher : UPN Veteran Jawa Timur

PT. PAL Indonesia merupakan sebuah perusahaan galangan kapal terbesar di Indonesia. Hasil produksi perusahaan adalah pembuatan kapal dan perancangan kapal berdasarkan permintaan konsumen. Pada proses produksi kapal BRS W-303 masih ditemukan cacat saat pengelasan seperti incomplete penetration, incomplete fusion, slag inclusion, dan porosity yang mempengaruhi kualitas. Tujuan dari penelitian ini adalah untuk mengetahui persentase kecacatan yang paling dominan dan faktor penyebab cacat serta memberikan usulan tindakan perbaikan kualitas pengelasan. Metode yang digunakan adalah Statistical Quality Control (SQC) dan Failure Mode Effect Analysis (FMEA). Alat bantu SQC yakni check sheet, stratifikasi, histogram, diagram pareto, scatter diagram, peta kendali atribut, dan diagram sebab akibat. Kemudian melanjutkan analisis FMEA berdasarkan diagram sebab akibat untuk usulan tindakan perbaikan. Berdasarkan hasil penelitian pada Statistical Quality Control (SQC) diketahui cacat pengelasan kapal yang paling dominan adalah incomplete penetration (32,81%), lalu incomplete fusion (25,47%), slag inlclusion (23,26%), dan porosity (18,36%). Berdasarkan hasil penelitian pada Failure Mode Effect Analysis (FMEA) diketahui akar penyebab masalah tertinggi dengan RPN 288 adalah penetapan root gap terlalu kecil/sempit. Rekomendasi perbaikan yang dapat diusulkan yaitu menegaskan kepada welder untuk wajib membaca dan memahami WPS yang digunakan untuk mengelas dengan benar.

Sales Forecasting Analysis of Sea Snack at PD. Adi Anugrah Food Industry Zella Azzahra Achmadani; R. Rochmoeljati
Nusantara Science and Technology Proceedings 2nd International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

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

Covid-19 pandemic affects the industry players. The manufacturing industry, the culinary industry, and other industries face the hardship of running their business. The pandemic has seriously impacted the prospects for selling products and services. Sales that are classified as increasing and decreasing cause a lack of material preparation and prediction of needs. PD. Adi Anugrah Food Industry experienced erratic sales and lacked preparation in raw materials and other requirements. In this study, an analysis of sales forecasting of snacks made from sea juice was carried out. Sales forecasting is carried out during the period January – December 2020. The estimated sales forecast using the weighted moving average method is 1167 units, and the moving average method is 1166 units. Forecasting analysis was carried out using WinQsb and PomQM software.

Pengendalian Kualitas Produk Kendang Jimbe dengan Menggunakan Statistical Quality Control (SQC) dan Failure Mode Effect Analysis (FMEA) pada UD. Budi Luhur Alief Wahyu Pratama; Rr. Rochmoeljati
JUMINTEN Vol 3 No 2 (2022): Juminten: Jurnal Manajemen Industri dan Teknologi
Publisher : UPN Veteran Jawa Timur

UD. Budi Luhur ialah suatu perusahaan yang bergerak dibidang industri pengolahan dan kerajinan. Salah satu produk tersebut adalah kendang jimbe. Pada proses produksi Kendang Jimbe masih ditemukan cacat seperti kayu pecah, kayu berlubang, cat retak, dan kulit robek yang mempengaruhi kualitas. Tujuan penelitian ini ialah guna mengetahui persentase defect yang paling sering terjadi dan faktor penyebab cacat serta memberikan usulan tindakan perbaikan kualitas kendang jimbe. Metode yang digunakan adalah Statistical Quality Control (SQC) dan Failure Mode Effect Analysis (FMEA). Alat bantu SQC yakni check sheet, diagram pareto, peta kendali, dan fishbone diagram. Kemudian melanjutkan analisis FMEA untuk usulan tindakan perbaikan. Berdasarkan hasil penelitian pada Statistical Quality Control (SQC) diketahui cacat pada kendang jimbe yang paling dominan adalah kayu pecah (38,81%), kemudian kayu berlubang (30,49%), cat retak (19,4%), dan kulit robek (11,30%). Berdasarkan hasil penelitian pada Failure Mode Effect Analysis (FMEA) diketahui penyebab masalah tertinggi dengan RPN 343 yakni pekerja kurang berhati-hati saat proses pembubutan. Saran perbaikan yang dapat diusulkan yakni melakukan pembinaan untuk para pekerja sampai pekerja terampil saat melakukan pembubutan, serta menetukan jadwal rehat agar mesin bubut tidak overheating.

Welding Quality Control Using Statistical Quality Control (SQC) Methods and Failure Mode Effect Analysis (FMEA) at PT. XYZ Rr. Rochmoeljati; Isna Nugraha; Nafa Artha Cahaya Mulia
Nusantara Science and Technology Proceedings 3rd International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2022.2707

PT XYZ is the largest shipbuilding company in Indonesia. The company's products are shipbuilding and ship design based on consumer demand. In the production process of the BRS W-303 ship, defects were still found during welding, such as incomplete penetration and slag inclusion. The purpose of this study was to determine the percentage of the most dominant defects and the factors causing defects and to provide suggestions for improving the quality of welding. The methods used are Statistical Quality Control (SQC) and Failure Mode Effect Analysis (FMEA). SQC tools are check sheets, stratification, scatter diagrams, attribute control charts, and cause and effect diagrams. Then continue the FMEA analysis based on the cause-and-effect diagram for proposed improvements. Based on the results of Statistical Quality Control (SQC) research, it is known that the most dominant ship welding defects are incomplete penetration (32.81%) and slag inclusion (23.26%). Based on the results of research on Failure Mode Effect Analysis (FMEA) it is known that the root cause of the highest problem with RPN 288 is the determination of the root gap is too small or narrow. Recommendations for improvement that can be proposed are to ensure that the welder must read and understand the WPS used to weld correctly.

Study on Implementation of Lean Six Sigma in Hospital Auxiliary Ship Block Construction Process Muhammad Rizki Kurniawan; Rr. Rochmoeljati
Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Vol 19, No 3 (2022): October
Publisher : Department of Naval Architecture - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/kapal.v19i3.46155

During the pandemic, transportation is needed to support the evacuation of patients through waterways; therefore, PT PAL Indonesia (Persero) has created a Hospital Auxiliary Ship project. In building a quality Hospital Auxiliary ship project, productivity is needed so the project can be completed properly. However, there are problems with the punctuality of completing the ship block construction with a total lead time of 19200 minutes and found the block quality is not up to standards like Surface Porosity, Former Stopper, Arc Strike, and Low Bead defects that require a rework process and cause long cycle times. This study aims to reduce the lead time value and minimize waste or activities that are not value-added using the lean six sigma method with stages (DMAIC). From the results of the study, it was found that the identification of the Process Activity Mapping (PAM) design, which resulted in the highest waste rating, namely 16.94% defect, with CTQ-4, lean six sigma value of 3.055 sigma and DPMO value of 59917 which was included in the excellent category for the industry average. The factors causing the problem were identified with Pareto diagrams and causal diagrams to determine the dominant type of defect and the causes of wastage of defects; there are four factors, namely material, human, machine, and environment. Recommendations for the improvement of waste are through material inspection, operator training, reworking defective blocks, and minimizing non-value-added activities. With the design of process activity mapping (PAM) and value stream mapping, the efficiency of ship block construction can increase from 67.81% to 74.06%.

Analisis Kualitas Rotogravure pada Bagian Printing dengan Menggunakan Metode Failure Mode and Effect Analysis dan Fault Tree Analysis di PT. Diantrijaya Mukti Utama Adham Roihan Azriel Irfani; Rochmoeljati Rochmoeljati
Jurnal Teknik Mesin, Industri, Elektro dan Informatika Vol. 2 No. 4 (2023): Desember : JURNAL TEKNIK MESIN, INDUSTRI, ELEKTRO DAN INFORMATIKA
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jtmei.v2i4.3027

One company that produces rotogravure products is PT. Diantrijaya Mukti Utama. The company implements a make to order production system. In this research, problems were found in the rotogravure production section. Namely in the form of damage to the printing machine with the average age of the machine being still young but often causing defects. The aim of this research is to identify potential failures on printing machines, find out the root causes of their occurrence on printing machines using the fault tree analysis method and produce alternative recommendations for improvement using the Failure Mode and Effect Analysis method in the printing process at PT Diantrijaya Mukti Utama. The research results showed that there were 3 types of defects in the PT printing process. Diantrijaya Mukti Utama, namely hazing defects, streaks and ink fading with a chance of defects occurring of 0.03%, 0.005%, 0.013%. Of these three defects, the causes of defects include workers being less skilled in setting the doctor blade, the doctor blade being used being damaged. Recommended improvements are to provide training related to the use of doctor blades to workers so they can know how to use and care for the doctor blades used

Analysis of Waste in the Warehousing Process of PT. Asia Plastik sing Lean Warehousing and Improvement Strategy with Kaizen Method Putra, M. Rizqy Ifaldhi; Rochmoeljati, Rr.
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.22741

PT Asia Plastik is a plastic packaging manufacturing company that specializes in injection and blow molding. In its warehousing management, PT Asia Plastik often experiences excessive waste with a high lead time of 419 minutes with a value added of 276 minutes. The method used is the application of Lean Warehousing with the Value Stream Mapping (VSM) method for mapping the flow of warehousing and information flow in the company, and making Process Activity Mapping (PAM) as an analysis tool. With Process Activity Mapping (PAM), it can be seen which process (time) is really important and which process (time) can be simplified or eliminated. A total of 50 activities were obtained with details of 16 Value Added activities, 7 Non-Value Added activities, and 27 Necessary Non-Value Added activities. Based on the results of the research, activity simplification and Big Picture Mapping were proposed with a total of 36 new activities compared to 50 old activities, a reduction of 14 activities. Then the time obtained is 370 minutes which was previously 419 minutes, saving 49 minutes. In addition, there are also proposals for improvement with the Kaizen method to reduce existing waste.

Quality Control of Janggelan Products Using Statistical Quality Control (SQC) and Failure Mode Effect Analysis (FMEA) Methods in UD. Rizqi Agung Faizal, M. Rizki Nur; Rochmoeljati, Rr.
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.22738

UD. Rizqi Agung is one of the SMEs in Ngrayun, Ponorogo. This SMEs is one of the medium-sized SMEs that produces packaged drinks. The packaged drinks produced are drinks made from janggelan juice. UD. Rizqi Agung has a production process that is still semi-manual so that there are still products that still have defects in these products. The methods used are Statistical Quality Control (SQC) and Failure Mode and Effect Analysis (FMEA). SQC tools are check sheet, stratification, histogram, paretto diagram, scatter diagram, control chart, and cause and effect diagram. While FMEA is used for improvement of the results of the cause and effect diagram. Based on the results of research on Sari Janggelan products, the most dominant defect is obtained, namely Cup Dent defects (4.06%), followed by Leak defects (2.84%), Dented Cardboard defects (1.30%), and Label not Symetric defects (1.22%). Proposed improvements with FMEA obtained risks that have the highest priority level to make improvements to minimize the possibility of errors. The highest RPN values is 320 and 288 of the type of cup dent defect with proposed improvement recommendations, namely changing cup vendors to match the quality requested by SMEs and monitoring employee performance.

Usulan Perencanaan Tata Letak Gudang Bahan Penolong Menggunakan Metode Class Based Storage di PT. XXX Muhammad Hadziqul Afkar; Rr Rochmoeljati
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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

Warehouses play an important role in the logistics management of manufacturing companies, especially in supporting the smooth production process of PT. XXX, as the most complete fertilizer manufacturer in Indonesia. There are problems regarding the management of auxiliary materials warehouse, such as overstocking of some materials and sub-optimal warehouse layout. The purpose of this research is to optimise the warehouse layout of auxiliary materials at PT XXX by using the class-based storage (CBS) method and the fast moving, slow moving and non-moving (FSN) classification approach. The research method includes primary data collection through observation and interviews, as well as secondary data from the company's warehouse management system and references. According to the FSN analysis, there are three fast moving materials, seven slow moving materials and two non-moving materials. The layout optimisation results show that the main fast-moving materials increased by 10%, Al(OH)3 by 13% and Rough Jumbo Dolomite by 71%. In addition, non-moving materials such as acid clay and ferrous sulphate were removed, reducing the capacity of red clay by 64%. In this way, the class-based storage approach allows warehouse management to be more structured, efficient and responsive to operational needs.

Co-Authors Adham Roihan Azriel Irfani Afriza, Ajeng Agustina, Mega Alief Wahyu Pratama Alvionita, Selvi Amalia, Rochmatul Annandita, Alifia Rizky Benedictus Vibriyanto Bagas Prakosa Berliana Dian Novitasari Brilian, Delinda Budiani, Dian Nissa Fitri Bustomy, Andrean Dimas Wandhika D Dira Ernawati Endang Pudji Widjajati Erlina Erlina Faizal, M. Rizki Nur Ferina Indah Lusiana Fibio Isnando Hariatmaja Pradana Fuadah, Layin Imamah, Mardila Nur Iriani Iriani Isna Nugraha Ivonne Rakha Salsabila Kamal Husein Khusnun Nabila Maunah, Dewi Aisarunnisa' Meisufi, Ruro Wiranti Moch Taufik Hidayat Mochamad Ismail Zakaria Muhammad Hadziqul Afkar Muhammad Rizki Kurniawan Nafa Artha Cahaya Mulia Nafa Artha Cahaya Mulia Nugraha, Isna Nugroho, Rosa Novarian Agninditya Pradana, Billy Gandis Prakosa, Albertus Adriyanto Satrio Pramudya, Kaka Arya Primadhiya, Fairuzzayyan Putra, M. Rizqy Ifaldhi Raditya Dwi Firmansyah Raditya Y E Ramadhani, Muthia Dita Rauhul Rahman Adam Sani, Tiara Nuriyah Sinaga, Boriski Subono, Muhammad Wibbie Wiweka Syarifah, Faranisa Aulia Ar Rahma Tranggono Tranggono Vaundra Cunning Hangesthi Widyarsa, Destiara Nabila Widyawati, Diana Ya Fachrul Rasyid Yustina N Yustina Ngatilah Zella Azzahra Achmadani

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