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All Journal INAQUE: Journal of Industrial & Quality Engineering Golden Ratio of Mapping Idea and Literature Format Golden Ratio of Data in Summary Jurnal Pengabdian Kolaborasi dan Inovasi IPTEKS Jurnal Pelita Pengabdian Jurnal Multidisiplin Indonesia
Cipto Purwanto
Universitas Pelita Bangsa
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Mechanical Engineering Public Health Social Sciences Veterinary

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Analisis Kualitas Hasil Mesin Bubut untuk Menurunkan Tingkat Defect Menggunakan Metode Failure Mode and Effect Analysis (FMEA) di PT XYZ Aries Wijayanto; Setiawan Setiawan; Cipto Purwanto
Jurnal Multidisiplin Indonesia Vol. 5 No. 5 (2026): Jurnal Multidisiplin Indonesia
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jmi.v5i5.2723

Abstract

PT XYZ menghadapi permasalahan tingginya tingkat defect pada proses pembubutan di Departemen Machining, dengan rata-rata persentase defect mencapai 12% dari total 1.716 unit produksi selama periode Juli hingga November 2025. Terdapat 6 jenis defect yang teridentifikasi, yaitu cacat dimensi, permukaan kasar, deformasi/distorsi, cacat geometri, masalah kualitas alat potong, dan kesalahan proses setup. Penelitian ini bertujuan untuk mengidentifikasi penyebab utama defect serta memberikan usulan perbaikan menggunakan metode Failure Mode and Effect Analysis (FMEA). Data dikumpulkan melalui observasi langsung, wawancara, dan dokumentasi data produksi. Hasil FMEA sebelum perbaikan menunjukkan bahwa deformasi/distorsi memiliki nilai RPN tertinggi sebesar 245, diikuti cacat dimensi sebesar 175 dan permukaan kasar sebesar 150. Setelah diterapkan perbaikan berupa standarisasi SOP, checklist produksi, pelatihan operator, kalibrasi alat ukur berkala, dan preventive maintenance, nilai RPN turun signifikan, di mana deformasi/distorsi menjadi 32 dan cacat dimensi menjadi 24. Penelitian ini menyimpulkan bahwa metode FMEA terbukti efektif sebagai alat pengendalian kualitas pada proses pembubutan di industri manufaktur, yang dibuktikan dengan penurunan substansial nilai RPN pada seluruh jenis defect. Temuan ini berkontribusi pada pengembangan ilmu teknik industri, khususnya dalam penerapan risk-based quality improvement untuk pengendalian kualitas proses permesinan.
Designing for Fit: An Iterative Ergonomic Car Trash Bin Prototype via Design Thinking and House of Quality Pratama Jaya; Edna Maryani; Steela Apfiasari; Cipto Purwanto
Golden Ratio of Mapping Idea and Literature Format Vol. 6 No. 3 (2026): May - July
Publisher : Manunggal Halim Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52970/grmilf.v6i3.2518

Abstract

Vehicle interior cleanliness affects travel comfort, particularly when a car is used by families or multiple passengers. This study developed and tested an ergonomic car trash-bin prototype using Design Thinking and Quality Function Deployment through the House of Quality (HoQ). The study used archived product-development evidence, including aggregate questionnaire charts, an empathy map, existing-product observations, brainstorming records, HoQ, hand sketches, fabrication videos, static-fit photographs, and prototype-testing documentation. Because respondent-level questionnaire data were not retained, the analysis was descriptive and did not use inferential statistics. Three user needs were prioritised: easy reach, no interference with passenger movement, and prevention of waste scattering. The documented initial under-seat concept measured 440 x 450 x 200 mm and did not fit the selected vehicle space. After cardboard trials at the highest and lowest seat positions, the revised under-seat design measured 280 x 250 x 100 mm and achieved documented static fit. An initial door-trim trial was blocked by the cavity geometry; a custom door-pocket configuration of 160 x 65 x 130 mm was subsequently documented in static placement. The 2 mm black-acrylic prototype was assessed only for basic fit and intended use. The findings support vehicle-specific product development and identify the need for dynamic driving, usability, and cost-validation tests. For automotive-accessory designers and small manufacturers, this record offers a practical, replicable reference for translating cabin-cleanliness complaints into a vehicle-specific prototype before committing to tooling and mass production.
ANALISIS POSTUR KERJA OPERATOR PADA AKTIVITAS PENGAMBILAN FRONT WHEEL DI ASSEMBLING UNIT 2A PT XYZ MENGGUNAKAN METODE REBA Indra Wijaya; Setiawan Setiawan; Cipto Purwanto
Inaque : Journal of Industrial and Quality Engineering Vol 14 No 1 (2026): Inaque April 2026
Publisher : Teknik Industri Unikom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/iqe.v14i1.19485

Abstract

The purpose of this study is to evaluate the level of ergonomic risk in the front wheel retrieval activity performed by operators in the assembling unit 2A area of the automotive industry and to propose solutions to reduce the potential occurrence of Musculoskeletal Disorders (MSDs). In this study, the Rapid Entire Body Assessment (REBA) method was used, supported by direct observation, documentation of operator working postures, and interviews. The initial analysis results showed that the activity had a REBA score of 10, which falls into the high-risk category and requires immediate corrective action. The results indicate that the front wheel retrieval process can be assisted by using a hook suspended from an Endo (spring balancer) and moving along a Henderson rail. After implementing the proposed improvement, the REBA score decreased to 3, indicating a low-risk level. These results demonstrate that the use of assistive tools can improve the operator’s working posture, reduce physical workload, and minimize the risk of MSDs. This study contributes to improving work comfort, operator safety, and productivity in the assembling unit production line.
A Multi-Criteria Decision Making for Automated Storage System Selection in the Warehousing Industry Using AHP-TOPSIS Cipto Purwanto; M. Ibrahim Ats-Tsauri; Annisa Syahliantina; Ghina Farhah Azizah; Christa Dian Pratiwi
Golden Ratio of Data in Summary Vol. 6 No. 1 (2026): November - January
Publisher : Manunggal Halim Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52970/grdis.v6i1.1929

Abstract

The growing demand for customized products and shorter delivery times has intensified the pressure on logistics and warehouse operations to become more efficient, flexible, and responsive. In this context, selecting an appropriate automated storage and retrieval system (AS/RS) is a complex multi-criteria decision-making (MCDM) problem that requires a systematic, quantitative evaluation approach. This study proposes an integrated decision-making framework that combines the Analytic Hierarchy Process (AHP) and the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) to determine the most suitable automated storage technology for warehousing operations. Four key criteria were identified—Throughput, Accuracy, Ergonomics, and Space Utilization—and three alternatives were evaluated: Miniload, Vertical Carousel, and Vertical Lift. The AHP method was used to derive the relative importance of the criteria, producing consistent weights with a CR value of 8.28%. These weights were subsequently applied in the TOPSIS analysis to rank the alternatives based on their closeness to the ideal solution. The results indicate that Vertical Lift emerged as the optimal choice (CC = 0.6657), followed by Vertical Carousel (CC = 0.4657) and Miniload (CC = 0.3688). Sensitivity analysis, conducted through both One-at-a-Time (OAT) and scenario-based approaches, confirmed the robustness of the decision model under varying preference scenarios. This research contributes to the body of knowledge on warehouse automation decision-making by providing a transparent, quantitative, and adaptable framework that supports managers in enhancing operational performance and optimizing resource utilization.
Sosialisasi dan Pendampingan Metode 5S untuk Meningkatkan Keteraturan dan Produktivitas di PT Fanah Jaya Maindo Cipto Purwanto; M. Ibrahim Ats-Tsauri; Annisa Syahliantina; Ghina Farhah Azizah; Christa Dian Pratiwi
Jurnal Pelita Pengabdian Vol. 4 No. 1 (2026): Januari 2026
Publisher : DPPM Universitas Pelita Bangsa

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

Abstract

The objective of this community service activity was to determine the extent to which employees understand the company’s system for implementing the 5S concept, to identify problems in the application of 5S during work processes, and to establish appropriate control measures and follow-up actions for 5S implementation at PT Fanah Jaya Maindo. The method used in this activity was the 5S method, which is a technique for maintaining the quality of the work environment by enhancing orderliness, creating a safe and comfortable workplace, and improving efficiency and productivity. Participants in this activity consisted of all staff and supervisory employees working at PT FJM. Based on observation results, the problem identified in the implementation of 5S was the suboptimal application of the Seiketsu (standardization) principle. This issue indicates the need for a more structured system of tool coding and an obligation for each employee to return work equipment to its original place after use. The results of the socialization activity showed that participants gained a very good understanding of the material presented. Positive participant responses were reflected in the appreciation expressed toward both the content and the manner in which the activities were delivered. This achievement of understanding is expected to encourage an increased commitment among employees to apply the 5S principles consistently in their respective work environments
OPTIMALISASI PRODUKTIVITAS TIM MELALUI PELATIHAN MOTIVASI BERBASIS PSIKOLOGI INDUSTRI DAN MANAJEMEN OPERASIONAL DI PT EFATA MEDIA TEKNIK Suhendra Suhendra; Adi Fitra; Cipto Purwanto; Tri Mulyani Kartini; Tringudi Wiyatno
Jurnal Pengabdian Kolaborasi dan Inovasi IPTEKS Vol. 4 No. 4 (2026): Agustus
Publisher : CV. Alina

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59407/jpki2.v4i4.4282

Abstract

Team productivity merupakan salah satu faktor penting yang memengaruhi keberhasilan perusahaan dalam mencapai tujuan organisasi. Namun, rendahnya employee motivation, kurang optimalnya kerja sama tim, dan belum maksimalnya penerapan manajemen operasional dapat menjadi kendala dalam meningkatkan kinerja karyawan. Kegiatan Pengabdian kepada Masyarakat (PKM) ini bertujuan untuk meningkatkan pemahaman karyawan PT Efata Media Teknik mengenai pentingnya motivasi kerja berdasarkan konsep industrial psychology dan penerapan operational management sebagai upaya meningkatkan produktivitas tim. Kegiatan ini diikuti oleh sepuluh peserta dengan metode pelaksanaan kegiatan meliputi tahap persiapan, penyampaian materi melalui ceramah dan diskusi interaktif, serta evaluasi menggunakan pre-test dan post-test untuk mengukur peningkatan pemahaman  peserta. Hasil evaluasi menunjukkan adanya peningkatan pemahaman peserta dengan nilai rata-rata pre-test sebesar 64.25 dan post-test sebesar 86.88, atau mengalami peningkatan sebesar 35.22 %.. Peserta juga menunjukkan antusiasme yang tinggi selama kegiatan berlangsung serta mampu memahami pentingnya motivasi dan team collaboration dalam mendukung efektivitas kerja. Kegiatan PKM ini diharapkan menjadi langkah awal dalam mendukung pengembangan sumber daya manusia yang berkelanjutan serta meningkatkan produktivitas di PT Efata Media Teknik.
Co-Authors Adi Fitra Annisa Syahliantina Aries Wijayanto Christa Dian Pratiwi Ghina Farhah Azizah Indra Wijaya M. Ibrahim Ats-Tsauri Maryani, Edna Pratama Jaya Setiawan Setiawan Steela Apfiasari Suhendra Tri Mulyani Kartini Tringudi Wiyatno