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All Journal OPERATION EXCELLENCE: Journal of Applied Industrial Engineering Jurnal Sistem dan Manajemen Industri Jurnal Teknik Industri Journal Industrial Engineering and Management (JUST-ME) Journal of Artificial Intelligence and Digital Business
Herlambang, Hendi
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Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Transportation

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Alat Inovatif untuk Lean Manufacturing: Meningkatkan Efisiensi dengan PDCA, TRIZ, dan Teknik Bagan Tangan Kanan dan Kiri Qulub, Irkham Syifaul; Herlambang, Hendi
JURNAL TEKNIK INDUSTRI Vol. 5 No. 01 (2024): JURNAL TEKNIK INDUSTRI : MEI 2024
Publisher : DPPM UNIVERSITAS PELITA BANGSA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37366/jutin.v5i01.5040

Abstract

This research focused on improving production efficiency in the Lean Manufacturing Laboratory at Universitas Mercu Buana by addressing bottlenecks at the Vacuum and Trimming stations. Utilizing the PDCA methodology, the study aimed to reduce processing times and enhance accuracy through tool design and motion study. The Operational Process Chart identified inefficiencies, while Seven Waste Analysis highlighted key areas for improvement. The application of TRIZ principles led to the development of a flexible cutting press, designed to integrate vacuuming and cutting processes. Measurements using right-hand and left-hand chart facilitated the creation of a new operating procedure. The implementation of the flexible cutting press resulted in a 21.34% reduction in cycle time, demonstrating effective optimization of work layout and tool design. Despite its success, the study has limitations including the lack of a comprehensive cost-benefit analysis and limited product variety. Future research should explore long-term economic impacts and applicability to diverse production contexts.
Enhancing process optimization through adaptive jig design in lean manufacturing: insights from Universitas Mercu Buana's laboratory Qulub, Irkham Syifaul; Herlambang, Hendi; Amrina, Uly; Ikatrinasari, Zulfa Fitri
Operations Excellence: Journal of Applied Industrial Engineering Vol. 16, No. 3 (2024): OE November 2024
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2024.v16.i3.118

Abstract

This study aims to enhance efficiency in the Lean Manufacturing practicum at the Lean Manufacturing Laboratory of Universitas Mercu Buana by applying PDCA (Plan-Do-Check-Act) and TRIZ (Theory of Inventive Problem Solving) methods. The primary focus was the design and implementation of a flexible jig tool to reduce processing time and increase precision in the vacuum, trimming, and assembly stages designing and implementing. Results showed that the flexible jig reduced process time by 37.8%, from 1431 seconds to 890 seconds, and improved the level of automation from fully manual to the use of flexible tools. Further evaluation revealed significant gains in productivity. The study utilized tools such as Value Stream Mapping (VSM), Operation Process Chart (OPC), and the seven waste concepts within the PDCA framework to identify key issues in the manufacturing process. The application of TRIZ principles in tool design also significantly enhanced production efficiency. This research presents compelling evidence that systematic approach like PDCA and creative methodologies for instance TRIZ can substantially improve operational performance in light manufacturing practicums. Additionally, it highlights the important role of higher education in fostering technological innovation and industry collaboration to tackle evolving manufacturing challenges.
ANALISIS FAKTOR PENYEBAB KETIDAKSESUAIAN DATA STOCK OPNAME BARANG H3Y MENGGUNAKAN METODE DMAIC DI PT XYZ Irfan, Muhammad; Romli, Ikhsan; Herlambang, Hendi
Journal Industrial Engineering and Management (JUST-ME) Vol. 6 No. 01 (2025): Journal Industrial Engineering and Management (JUST-ME)
Publisher : Program Studi Teknik Industri Fakultas Teknik Universitas Islam Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47398/justme.v6i01.117

Abstract

Gudang merupakan lokasi yang vital untuk menyimpan barang-barang, berfungsi penting dalam memastikan kelancaran distribusi untuk mendukung proses produksi yang efektif. Setiap akhir bulan, divisi gudang rutin melakukan kegiatan inventarisasi untuk memeriksa kesesuaian jumlah antara sistem dan buku stock. Salah satu masalah yang sering dihadapi di gudang adalah perbedaan jumlah akhir komponen yang tercatat dalam buku stock dibandingkan dengan yang ada di sistem inventaris. Masalah ini terus berulang dan bisa menyebabkan kesalahan dalam laporan inventaris, yang pada akhirnya bisa merugikan perusahaan. Penelitian ini menggunakan pendekatan DMAIC (Define, Measure, Analyze, Improve, Control) untuk mengurangi kesalahan yang sering terjadi selama proses inventarisasi barang. Hasil analisis data mengungkapkan bahwa penyebab utama dari ketidaksesuaian antara stock real dan sistem inventaris adalah ketika barang keluar dari gudang tetapi tidak dicatat dalam sistem, saat barang masuk tanpa dicatat, serta kesalahan dalam menghitung stock yang ada. Penelitian ini bertujuan untuk mengidentifikasi dan menganalisis penyebab terjadinya selisih stock timer dan mengurangi resiko terjadinya selisih stock berkelanjutan dengan menggunakan metode DMAIC di gudang PT XYZ.
Reduksi Waktu Penggantian Hearth Roll Menggunakan Metode PDCA Serta Implementasi Kaizen di PT XYZ Saputro, Rian Ngesti; Romli, Ikhsan; Herlambang, Hendi
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 2 (2025): Mei - Juli
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i2.1013

Abstract

Proses penggantian Hearth Roll di area furnace PT XYZ membutuhkan waktu cukup lama, yaitu sekitar 72 jam, sehingga berdampak pada efisiensi produksi secara keseluruhan. Penelitian ini bertujuan untuk mengidentifikasi penyebab utama lamanya proses penggantian dan merancang solusi perbaikan menggunakan metode Plan-Do-Check-Action (PDCA) serta pendekatan Kaizen. Pengumpulan data dilakukan melalui observasi langsung di lapangan, wawancara dengan teknisi dan operator, serta dokumentasi historis proses maintenance. Hasil analisis menunjukkan bahwa pekerjaan pelepasan dan pemasangan lock nut serta sleeve bearing memakan waktu paling lama dan berisiko tinggi, disebabkan oleh penggunaan alat manual seperti palu dan pahat yang dapat merusak ulir shaft dan membahayakan operator. Perbaikan dilakukan dengan merancang dan menerapkan jig lock nut yang ergonomis dan efisien. Setelah implementasi alat bantu ini, waktu penggantian Hearth Roll berhasil dikurangi menjadi 65 jam atau mengalami penghematan sebesar 7 jam (sekitar 9,7%). Selain meningkatkan efisiensi waktu, inovasi ini juga mengurangi risiko kecelakaan kerja dan kerusakan peralatan. Hasil penelitian menunjukkan bahwa integrasi PDCA dan Kaizen efektif dalam mendukung perbaikan berkelanjutan di lingkungan industri.
Problem-solving step analysis for increasing tire static balance levels: a case study Febriana, Tubagus Hendri; Herlambang, Hendi; Hernadewita, Hernadewita; Hasbullah, Hasbullah; Halim, Abdul
Jurnal Sistem dan Manajemen Industri Vol. 5 No. 1 (2021)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/jsmi.v5i1.3292

Abstract

One of the company's efforts in implementing the commitment to customer satisfaction is carried out through continuous improvement activities. All indicators are evaluated to determine the level of quality stability against process variations that will impact non-compliance with predetermined product specifications. One of the quality problems found in the tire manufacture industry is the out-percentage of tire uniformity, which suddenly increases, one of which is the value of static balance. This study analyses the process variation factors that occur to take corrective and preventive actions through a series of Root Cause Analysis (RCA), Fault Tree Analysis (FTA), and Failure Mode and Effect Analysis (FMEA). Refers to the analysis result, it was found that there was a problem with the rubber film gauge variation at the manufacturing step of the steel breaker, one of the material components in the tire construction. Two main factors cause rubber film thickness variation: rubber sticky with roll calendar, Radial Run Out (RRO) Roll Calendar out standard, and viscosity compound variation with 12 root problems found. The results of the improvements that have been made can effectively improve rubber film thickness variation, increase the Cpk level of steel breaker material from 0.82 to 1.91 and reduce the out percentage ratio of static balance by 54.65%.
Design and implementation of intelligent electronic component inspection based on PLC and vision system Ikatrinasari, Zulfa Fitri; Herlambang, Hendi; Kosasih, Kosasih
Jurnal Sistem dan Manajemen Industri Vol. 7 No. 2 (2023): December
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/jsmi.v7i2.6511

Abstract

Customer demands for product quality are increasingly complex, requiring better inspection accuracy. It is not enough if done manually because it requires high costs and varying operator accuracy. Automatic vision inspect­ion was developed to check the product quality of terminal-type electronic components To solve this problem. Design intelligent inspection uses a conveyor driven by a stepper motor, a photosensor to calculate product distance, guides position to direct the product, a vision camera to detect product quality, cylinder ejection for product selection, and PLC as a control system. The process of detecting normal and abnormal product quality is carried out using computer logic control, then separating the ab­normal product into the reject box through the ejection cylinder. The machine speed is 60 pieces/minute. The system evaluation results are carried out on three parts of the system: the success rate on the vision camera is 100%, automatic product sorting through the cylinder ejection rate success is 100%, and the success rate for product positioning is 97.5%. This research provides a useful reference for developing intelligent automatic inspection technology in electronic components.
Co-Authors A Halim Febriana, Tubagus Hendri Hasbullah Hasbullah Hernadewita, Hernadewita Ikhsan Romli KOSASIH KOSASIH, KOSASIH Muhammad Irfan Qulub, Irkham Syifaul Saputro, Rian Ngesti Uly Amrina Zulfa Fitri Ikatrinasari