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All Journal Jurnal Ergonomi Indonesia (The Indonesian Journal of Ergonomic) SITEKIN: Jurnal Sains, Teknologi dan Industri Jurnal Optimasi Sistem Industri REKAYASA OPERATION EXCELLENCE: Journal of Applied Industrial Engineering INTECOMS: Journal of Information Technology and Computer Science Conference on Innovation and Application of Science and Technology (CIASTECH) Jurnal Sistem Teknik Industri Journal of Environmental Science and Sustainable Development Jurnal Serambi Abdimas Mechanical Engineering for Society and Industry Jurnal Teknik Mesin Mechanical Xplore Jurnal Inovasi Pendidikan dan Teknologi Informasi (JIPTI) Jurnal Polimesin Masyarakat: Jurnal Pengabdian Spektrum Industri
Rahdiana, Nana
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Pengembangan Kapasitas Produksi melalui Pengabdian kepada Masyarakat: Pendampingan Proses Stamping di UMKM Karawang Jawa Barat Sukarman, Sukarman; Ulhakim, Mumamad Taufik; Mulyadi, Dodi; Khoirudin, Khoirudin; Amir, Amir; Rahdiana, Nana; Suhara, Ade; Hakim, Afif
Jurnal Serambi Abdimas Vol 6 No 01 (2025): Jurnal Serambi Abdimas
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/sa.v6i01.14855

Abstract

Proyek pengabdian kepada masyarakat ini bertujuan mengatasi tantangan efisiensi produksi di sektor industri kecil dan menengah dengan mengeksplorasi transisi dari penggunaan CNC ke proses blanking. Fokus utama inisiatif ini adalah meningkatkan efektivitas biaya dan waktu produksi melalui penerapan teknologi blanking yang lebih efisien. Metodologi yang digunakan adalah Participatory Action Research (PAR), yang mengedepankan kolaborasi sinergis antara tim Universitas Buana Perjuangan (UBP) Karawang dan tim PT Gama Satya Engineering. Tahapan kegiatan meliputi identifikasi masalah, pengembangan solusi, hingga implementasi perubahan yang diperlukan di lapangan. Hasil menunjukkan bahwa penerapan proses blanking dengan mesin 40-ton berhasil menekan biaya produksi per komponen menjadi Rp 2.061,14, menghasilkan penghematan hingga 95,71% dibandingkan dengan proses CNC. Sementara itu, penggunaan mesin 80-ton mencatatkan biaya produksi sebesar Rp 2.200,03 per komponen dengan tingkat efisiensi 95,42%. Dari sisi waktu, proses blanking hanya memerlukan 0,0139 jam (sekitar 0,834 menit) per komponen, jauh lebih cepat dibandingkan proses CNC yang memakan waktu hingga 12 menit per unit. Temuan ini tidak hanya menunjukkan potensi signifikan dalam penghematan biaya dan waktu, tetapi juga memperkuat hubungan antara akademisi dan industri. Selain itu, hasil penelitian ini memberikan panduan praktis yang dapat diterapkan secara berkelanjutan di sektor industri kecil dan menengah, sekaligus memberikan dampak positif bagi mitra industri.
Hazard evaluation of box packaging process in food seasoning industry based on SNI 9011:2021 Muslim, Amalia; Rahdiana, Nana; Nurizzati, Annisa
Operations Excellence: Journal of Applied Industrial Engineering Vol. 17 No. 2 July 2025
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2025.v17.i2.141

Abstract

Musculoskeletal disorders (MSDs), known in Indonesia as Gangguan Otot Tulang-Rangka Akibat Kerja (GOTRAK) are one of the most common ergonomic problems in the workplace, caused by poor posture, repetitive movements, and long working hours. These conditions have a negative impact on employee health and productivity and increase healthcare costs for companies. This study aims to analyze the potential for GOTRAK complaints among workers in the box packaging process in the food seasoning industry, in accordance with Indonesian National Standard (SNI) 9011:2021. This study was conducted using a quantitative approach with a Musculoskeletal Disorder Questionnaire to assess MSD complaints. Data were collected through field observation, questionnaire completion, and work posture analysis using the methods outlined in SNI 9011:2021. The research variables included work posture, work duration, and physical strain of the workers. The results of the worker interviews regarding body part complaints showed a high risk level with risk scores of 19 and 20. The most common parts of the body to experience pain were the shoulders, upper back, lower back, and hips. The results of the ergonomic assessment of the upper body in carton packing work gave a score of 38, indicating hazardous conditions that require immediate improvement. In addition, the results of the analysis were used to develop ergonomic-based improvement recommendations to increase safety and comfort in the workplace. It is hoped that this study will provide companies with guidance on how to reduce ergonomic risks in the workplace, improve workers' wellbeing and support the development of a more sustainable industry.
Towards Safer Workplace: A Survey-Based Study on Developing a Safety Climate Model for the Indonesian Paper Industry Rahdiana, Nana; Suhardi, Bambang; Damayanti, Retno Wulan; Susanto , Novie; Rohani, Jafri Mohd
Jurnal Optimasi Sistem Industri Vol. 23 No. 2 (2024): Published in January 2025
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v23.n2.p130-148.2024

Abstract

A reliable safety climate model is essential for evaluating safety behavior and predicting risks such as accidents or injuries, yet no research has specifically addressed the safety climate in the paper industry, either globally or in Indonesia. Recognized as high-risk due to its reliance on large machinery and hazardous chemicals, the paper industry has been understudied in this context. This research addresses the gap by developing a safety climate model tailored to the Indonesian paper industry, following a rigorous methodology that included a literature review, model design, validation processes, and Goodness-of-Fit testing. The study identified nine dimensions and 36 initial indicators, with strong content validity confirmed through Aiken’s V index, and refined through a survey of 313 employees—including managers, supervisors, and operators—at a paper factory in West Java, Indonesia. Confirmatory factor analysis (CFA) led to the final model, comprising nine dimensions and 32 validated indicators, achieving excellent fit across key criteria. These dimensions include management commitment, safety environment, safety communication, safety involvement, safety rules and procedures, safety training, safety competence, work pressure, and local wisdom. The validated model offers valuable insights into safety practices, providing a practical framework for improving safety performance in the Indonesian paper industry. By fostering a proactive safety culture and addressing sector-specific risks, this model has the potential to significantly reduce workplace accidents and improve overall safety performance, marking an important advancement in industry-specific safety research.
Optimizing Spring-back and Spring-go in Vee-bending of SCGA340BHX Galvanized Steel: A Taguchi Approach Susilo, Hendri; Supriyanto, Danang; Nur Widyartha, Yogi; Khoirudin, Khoirudin; Sukarman, Sukarman; Hakim, Afif; Cepi Budiansyah, Ade; Suhara, Ade; Rahdiana, Nana; Hananto, Agus
Jurnal Teknik Mesin Mechanical Xplore Vol. 6 No. 1 (2025): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v6i1.10147

Abstract

Spring-back and spring-go are critical elastic recovery phenomena in sheet metal forming that affect the angular precision of bent components. This study investigates the influence of punch angle, die opening, and punch speed on these behaviors during the Vee-bending process of SCGA340BHX high-strength galvanized steel. A Taguchi design of experiments with an L8 orthogonal array was applied, and spring-back angles were measured and analyzed using the “smaller-is-better” signal-to-noise (S/N) ratio criterion. The results reveal that punch angle is the most influential parameter governing spring-back and spring-go tendencies, followed by die opening and punch speed. A punch angle of 50° and a die opening of 35 mm produced the highest average spring-back (3.03°), while spring-go behavior was observed primarily at higher punch speeds (35–40 mm/min). The study further confirmed the inverse relationship between bending force and spring-back, with lower forming forces correlating to greater elastic recovery. These findings provide a comprehensive understanding of the interdependence between geometric and kinematic factors in elastic recovery phenomena, offering quantitative insights for optimizing Vee-bending operations involving thin, high-strength steel.
THE BOC'S EFFECTIVENESS TO ENHANCE THE ESP INDUSTRIAL ENGINEERING Suhardiman, Sani; Suhara, Ade; Rahdiana, Nana; Pratama, Yuda; Suryani Afifah, Early
Jurnal Inovasi Pendidikan dan Teknologi Informasi (JIPTI) Vol. 5 No. 1 (2024): Jurnal Inovasi Pendidikan dan Teknologi Informasi (JIPTI)
Publisher : Information Technology Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/jipti.v5i1.1918

Abstract

ESP is seen as the role of English in language teaching courses, where the content and learning objectives are determined by the specific needs of a particular group of learners. Likewise, English for Specific Purposes is a stimulus for students' needs and language acquisition relevant to the work they will face in the future. This study aims to find out the use and effectiveness of BOC in conducting the material of engineering class and values of the teaching program and the needs of students. The quantitative study questionnaire is spread out to 200 students. The result shows that 30% of students think that the Buana Online Course (BOC) plays a good role in engineering studies and 25% of students think that it is very important for learning in engineering classes. Furthermore, 30.70% of students agreed that BOC is effective and 26. 50% of students strongly agreed that applying BOC is effective in engineering research practice. These results indicate that a significant proportion of students found BOC beneficial to their engineering studies.
A Comprehensive Study on Production Efficiency Enhancement Using Optimal Power Press Tonnage in Stamping Sukarman; Taufik Ulhakim, Muhamad; Khoirudin, Khoirudin; Mulyadi, Dodi; Amir, Amir; Suhara, Ade; Rahdiana, Nana
Jurnal Teknik Mesin Mechanical Xplore Vol. 5 No. 2 (2024): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v5i2.8048

Abstract

The use of press machines in stamping is an important aspect of the manufacturing industry, especially in producing efficient and quality components. This article aims to analyze the cost of the stamping process using mild steel SPCC-SD material measuring 200 mm x 25 mm x 0.8 mm, using two types of press machines, namely 80 tons and 40 tons. Through the cost analysis method, the total cost of the stamping process for the 80-ton press machine is Rp 16,417.4 per 10 pcs, while for the 40-ton press machine, it is Rp 15,028.5, indicating the cost efficiency of the 40-ton press machine is around 8.5%. The tonnage calculation shows that the 40-ton press machine is adequate for the blanking process, with a tonnage requirement of 4 tons, far below the available capacity. These results provide recommendations for the use of 40-ton press machines in the production of steel components on a small to medium scale, considering cost efficiency and optimal performance. This work is expected to increase productivity and cost efficiency in the manufacturing industry, especially at PT GA.
Optimization of TIG welding parameters for tensile load testing on dissimilar material joints of galvanized steel (SGCC) and low carbon steel (SPCC-SD) Basit, Arul; khoirudin, khoirudin; Sukarman, Sukarman; Cahyo, Tegar Dwi; Hidayat, Syahrul Taufik; Saputra, Ridhwan Shalahuddin; Ramadan, Trisa; Rahdiana, Nana
Jurnal Polimesin Vol 22, No 4 (2024): August
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i4.5025

Abstract

Tungsten Inert Gas (TIG) welding uses a tungsten electrode and argon or helium gas for shielding. It offers excellent shielding, stable arc, adjustable heat input, minimal spattering, and attractive welds. Widely used in various industries, especially for thin materials like galvanized sheets, TIG welding can be challenging for dissimilar materials like galvanized steel and low-carbon steel due to their different melting points. Studying optimal welding parameters is crucial for success. This research focuses on TIG welding of SPCC-SD (JIS 3141) and SGCC (JIS 3302) materials with thicknesses of 0.6 mm and 0.8 mm. The electric current was varied at 45, 50, and 55 A, whereas the gas flow rate was varied at 12, 15, and 18 LPM. The weld bead diameter was varied as 5, 8, and 10 mm. Subsequently, the welded samples were subjected to tensile testing using a SHIMADZU AGS-X 10Kn STD E200V tensile testing machine. The data from the tensile tests were analysed using S/N ratio analysis and Analysis of Variance (ANOVA) with the assistance of the Minitab software. The results of the S/N ratio analysis indicated that the most optimal parameters were an electric current of 55 A, flow rate of 15 LPM, and weld bead diameter of 10 mm. Conversely, the ANOVA revealed that the weld bead diameter significantly influenced the tensile load in TIG welding of SPCC-SD (JIS 3141) with SGCC (JIS 3302) materials, accounting for up to 44.42% of the variation. Following the weld bead diameter, the flow rate and welding current contributed to 21.93% and 16.41%, respectively.
IMPACT OF URBAN DEVELOPMENT ON UV EXPOSURE: A CLUSTERING AND MACHINE LEARNING ASSESSMENT Sahroni, Taufik Roni, Mr.; Yasin, Verdi; Alfaris, Lulut; Ariefka, Reza; Siagian, Ruben Cornelius; Karim, Mohammad Alfin; Rahdiana, Nana; Suhara, Ade
Journal of Environmental Science and Sustainable Development Vol. 7, No. 2
Publisher : UI Scholars Hub

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

Abstract

The relocation of Indonesia's capital city is anticipated to promote inclusive economic growth while embracing cultural diversity. However, this transition may affect ultraviolet (UV) radiation exposure patterns. The study investigated variations in UV exposure in the IKN region, focusing on urban development factors such as land use and population density that affect public health, sun protection, and skin cancer prevention. The research hypothesized that UV radiation is significantly correlated with these factors. UV Index data from 2010-2023, a hierarchical clustering method, identifies complex data patterns without determining the number of clusters. XGBoost, a machine learning model, was used for handling high-dimensional data and strong non-linear interactions, outperforming Random Forest in predicting Ultraviolet A variables. Analysis of variance (ANOVA) showed significant inter-group differences, which were validated by Tukey HSD post-hoc tests. Results showed that Cluster 4 was the region with the highest UV exposure. In contrast, Cluster 5 recorded the lowest, with exposure levels ranging from 6.61 to 15.82, a considerable difference of 9.21. The findings underscore the role of geographic and environmental factors in shaping UV exposure patterns, with implications for public health. Areas with high UV exposure face higher risks, including skin cancer and premature ageing. The predictive accuracy of the XGBoost model highlights its usefulness in addressing UV-related health risks. The study advocates for improved UV protection strategies and informed health policies to mitigate climate change impacts and promote sustainable urban development. The findings suggest that the development of data-driven early warning systems for UV radiation exposure could be implemented to improve public health policy and safety.
Ergonomic Risk and Musculoskeletal Disorders in Rice Farmers at Karang Tanjung Village, Karawang Regency Rahdiana, Nana; Suhardiman, Sani; Sukarman, Sukarman
Spektrum Industri Vol. 20 No. 1 (2022): Spektrum Industri - April 2022
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/si.v20i1.34

Abstract

This study discussed musculoskeletal risk analysis related to ergonomics, occupational safety, and health in agriculture in the Karawang district. Musculoskeletal Disorders (MSDs) are occupational diseases that cause pain in the joints. The working position of rice farmers, especially during planting rice seeds and harvesting rice, is not suitable for ergonomics. This study aims to identify the MSDs experienced by farmers in Karang Tanjung village, Karawang district. The study used an analytical method using the Nordic Body Map (NBM) and RULA questionnaires to assess work posture. A sample of 30 workers was chosen for an observational cross-sectional study. The results showed that the ergonomic risk level entered level 4 in the high category. The most dominant MSDs felt by rice farmers in Karang Tanjung village were the waist (98%) and the neck (95%). This research was expected to serve as a model for future musculoskeletal risk reduction research.
Co-Authors Afif Hakim Alghifari, Muhammad Reza Amir Amir Amri Abdulah Anay, Zhuldiz Ariefka, Reza Ariyanto, Ardilla Galuh Pramesty Bambang Suhardi Basit, Arul Cahyo, Tegar Dwi Cepi Budiansyah, Ade Dodi Mulyadi Dodi Mulyadi Fazrin, Nazar Hananto, Agustia Hidayat, Syahrul Taufik Irfani, Tomas Karim, Mohammad Alfin Karyadi Karyadi Khoirudin Khoirudin, Khoirudin Lulut Alfaris Markus Hartono Mucharrom, Fajar Murtalim, Murtalim Muslim, Amalia Nur Widyartha, Yogi Nurdin, Alizar Nurizzati, Annisa Putri Maulia, Bunga Ramadan, Trisa Retno Wulan Damayanti Rohani, Jafri Mohd Sahroni, Taufik Roni, Mr. Saputra, Ridhwan Shalahuddin Shieddieque, Apang Djafar Siagian, Ruben Cornelius Suhara, Ade Suhardiman, Sani Sukarman Sukarman Sukarman Supriyanto, Danang Suryadi Suryadi Suryani Afifah, Early Suryapranatha, Dicky Susanto , Novie Susilo, Hendri Taufik Ulhakim, Muhamad Ulhakim, Muhamad Taufik Ulhakim, Mumamad Taufik Yasin, Verdi yuda pratama Yulianti, Hilda Tri