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All Journal J@TI (TEKNIK INDUSTRI) Jurnal Silva Tropika Jurnal Senopati : Sustainability, Ergonomics, Optimization, and Application of Industrial Engineering Journal of Engineering Science and Technology Management Jurnal Industri Furnitur dan Pengolahan Kayu Integrasi: Jurnal Ilmiah Teknik Industri
Nugroho, Alfani Risman
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Stability Testing of an Air Quality Monitoring System for Particulate Matter (PM2.5 and PM10) Based on The SEN0233 Sensor Afifah, Anshah Silmi; Nugroho, Alfani Risman; Widiyanto, Wahyu; Haryati, Putri Dwi; Syah, Edo Ardiyan
Journal of Engineering Science and Technology Management (JES-TM) Vol. 5 No. 1 (2025): Maret 2025
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v5i1.205

Abstract

Particulate Matter (PM) is an air pollutant that has the potential to pose serious health risks to the public, including respiratory and cardiovascular diseases. This study aims to design and develop a real-time monitoring system for PM2.5 and PM10 using the SEN0233 sensor. This system is expected to be able to provide accurate data on the concentration of particles in the air. The research methodology includes selecting the right sensor, designing a NodeMCU microcontroller-based system, and testing the sensor to ensure measurement accuracy. The collected data will be stored in a database and can be accessed through a web interface, allowing users to monitor air quality directly. Initial test results show that the SEN0233 sensor is able to detect PM2.5 and PM10 concentrations well. This research contributes to the development of a more efficient and reliable monitoring system, to improve air quality and overall public health.
Evaluation of Office Chairs to Enhance Comfort and Reduce Musculoskeletal Risk in Sedentary Work Environments Fitrianto, Taufik Ramadhan; Prakoso, Galih; Nugroho, Alfani Risman; Afifah, Anshah Silmi; Anggiriani, Siska; Widiastuti, Retno
Jurnal SENOPATI : Sustainability, Ergonomics, Optimization, and Application of Industrial Engineering Vol 6, No 2 (2025): Jurnal SENOPATI Vol 6, No 2
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.senopati.2025.v6i2.6750

Abstract

This study evaluates the effectiveness of an ergonomically redesigned office chair, tailored to meet the anthropometric needs of employees. It addresses common issues associated with prolonged sitting, such as musculoskeletal discomfort and fatigue, which are prevalent in sedentary work environments. Utilizing anthropometric data from prior studies, the redesign incorporates modifications in key chair dimensions—such as seat height, seat depth, and backrest height—to enhance user comfort and reduce physical strain. The ROSA (Rapid Office Strain Assessment) tool was employed to assess posture and ergonomic risk for both the old and redesigned chairs. Findings indicate a significant improvement in ergonomic support and comfort with the new design, supported by a statistically significant reduction in ROSA scores, as confirmed through a paired sample t-test. Although the redesign effectively enhances comfort, further improvements are recommended, including adjustable lumbar support and backrest flexibility. This study underscores the importance of ergonomic adaptations in office furniture to support diverse body types and reduce occupational health risks.
Optimization of Wood Waste Utilization for Sustainable Material Processing in the Furniture Industry Afifah, Anshah Silmi; Nugroho, Alfani Risman; Nurmadina, Nurmadina; Fitriyanto, Taufik Ramadhan; Juwitasari, Dhian
Journal of Engineering Science and Technology Management (JES-TM) Vol. 5 No. 2 (2025): September 2025
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v5i2.266

Abstract

This study aims to identify and quantify wood waste produced during the machining of solid wood components using kiln dried Durio zibethinus boards. A descriptive quantitative approach was employed to measure the volume and weight of waste generated at each production stage, including ripping, crosscutting, planing, and thicknessing. Sampling was conducted using a precision digital scale to collect and compare the actual and theoretical waste. The results indicate that only 43% of the raw material volume was utilized in finished components, while 57% was lost as waste, primarily in the form of sawdust, shavings, and offcuts. The thicknesser contributed the largest proportion of waste (58%), followed by the ripsaw (21%), single planer (20%), and jumpsaw (1%). These findings highlight the need for improved raw material selection, more efficient cutting list design, enhanced nesting strategies, and better machine calibration. Implementing these practices can reduce wood waste, improve material efficiency, and minimize occupational exposure to wood dust in furniture manufacturing
EVALUATION OF OFFICE CHAIR DESIGN FROM ERGONOMIC AND ANTHROPOMETRIC PERSPECTIVES Fitrianto, Taufik Ramadhan; Rahmat, Bahtiar; Nugroho, Alfani Risman; Prakoso, Galih; Afifah, Anshah Silmi; Anggiriani, Siska; Juwitasari, Dhian
J@ti Undip: Jurnal Teknik Industri Vol 20, No 3 (2025): September 2025
Publisher : Departemen Teknik Industri, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jati.20.3.148-154

Abstract

Workplace seating that does not match user anthropometry often leads to discomfort and musculoskeletal disorders (MSDs). This study evaluates the office chairs used at the Politeknik Industri Furnitur dan Pengolahan Kayu Kendal by combining discomfort analysis and anthropometric mismatch assessment. Thirty-two employees (16 males, 16 females) participated, completing the Nordic Body Map (NBM) questionnaire and providing seated anthropometric measurements. The NBM results revealed that lower back discomfort was the most common complaint, particularly among female respondents, who also reported higher discomfort in the neck, shoulders, and upper back. Mismatch analysis confirmed severe incompatibilities between existing chair dimensions and user anthropometry, with seat height (100% mismatch for both genders) and seat depth (94% for men, 88% for women) as the most problematic. Based on these findings, a redesigned chair was developed, lowering seat height by 30 mm and reducing seat depth by 66 mm, alongside adjustments to backrest and armrest dimensions. Comparison with Indonesian (SNI) and international ergonomic standards (ISO 9241-5, BIFMA G1, EN 1335-1) showed that the redesign falls within recommended ranges. The study demonstrates how anthropometry-based redesign can reduce mismatch and improve comfort, providing practical guidance for the local furniture industry.
Redesain Kursi Kerja Pegawai berdasar Antropometri Pengguna Guna Meningkatkan Kenyamanan dan Produktivitas Fitrianto, Taufik Ramadhan; Prakoso, Galih; Nugroho, Alfani Risman; Afifah, Anshah Silmi; Anggiriani, Siska; Widiastuti, Retno
Integrasi: Jurnal Ilmiah Teknik Industri Vol 10 No 2 (2025): Integrasi : Jurnal Ilmiah Teknik Industri
Publisher : Program Studi Teknik Industri, Fakultas Teknik, Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/integrasi.v10i2.434

Abstract

Duduk dalam waktu lama dan penggunaan kursi dengan desain yang kurang memadai menjadi penyebab utama ketidaknyamanan fisik dan gangguan muskuloskeletal (MSDs) di lingkungan kerja. Penelitian ini mengevaluasi efektivitas ergonomis kursi karyawan yang telah didesain ulang di Politeknik Industri Furnitur dan Pengolahan Kayu Kendal, dengan menyesuaikan data antropometri spesifik tenaga kerja. Desain ulang berfokus pada dimensi utama, seperti tinggi dudukan, kedalaman dudukan, dan sudut sandaran, untuk meningkatkan kenyamanan dan postur selama penggunaan yang berkepanjangan. Pengumpulan data dilakukan melalui observasi, kuesioner, dan wawancara terhadap 32 responden. Rapid Office Strain Assessment (ROSA) menunjukkan penurunan signifikan pada skor risiko ergonomis dengan rata-rata perbaikan hingga 3 poin, menandakan desain kursi baru secara efektif mengurangi potensi ketegangan muskuloskeletal. Penelitian ini menegaskan pentingnya intervensi ergonomis dalam meningkatkan kenyamanan dan produktivitas karyawan. Selain itu, hasil kuesioner menunjukkan bahwa kursi yang didesain ulang secara signifikan meningkatkan dukungan punggung (rata-rata skor 4,72) dan kenyamanan keseluruhan (4,09). Namun, beberapa aspek, seperti kedalaman dudukan (3,69), memerlukan penyempurnaan lebih lanjut untuk mengakomodasi dimensi tubuh yang beragam. Analisis korelasi Pearson menunjukkan hubungan negatif antara tinggi badan dan kepuasan (-0,603), menekankan pentingnya desain yang memperhatikan variabilitas antropometri.
Pemanfaatan Limbah Kayu Dengan Metode Finger Joint Laminating Untuk Pembuatan Bedside Larasati, Nur Afina Julia; Nugroho, Alfani Risman
Jurnal Industri Furnitur dan Pengolahan Kayu Vol 1 No 1 (2023): JIFKA Desember 2023
Publisher : Politeknik Industri Furnitur dan Pengolahan Kayu

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

Abstract

Limbah kayu merupakan sisa dari proses produksi berupa serpihan, serbuk, sisa pembelahan kayu atau sisa potongan kayu. Salah satu pengolahan kayu sisa yaitu dengan metode Finger Joint Laminating, dengan metode tersebut sehingga bisa mewujudkan sebuah produk salah satunya furnitur Bedside. Metode yang digunakan dalam pelaksanaan Pemanfaatan Limbah Kayu dengan Metode Finger Joint Laminating untuk Pembuatan Bedside ini dimulai dengan tahap persiapan dan perencanaan, proses pengolahan kayu sisa, proses pembuatan produk Bedside, hingga analisa hasil produk akhir. Hasil dari pelaksanaan ini berupa data proses pembuatan produk tersebut. Salah satu pembahasan utama mengenai produk tersebut ialah terdapat banyak cacat kayu pada papan finger joint laminating yang berasal dari limbah kayu, sehingga perlu adanya perbaikan yang optimal terkait cacat kayu tersebut. Berdasarkan hasil produksi dapat disimpulkan bahwa limbah kayu mahoni sisa pembelahan dapat diolah kembali dengan metode Finger Joint Laminating menjadi sebuah produk furnitur Bedside.
Pengaruh Jenis Finir Dan Jumlah Perekat Terhadap Kualitas Plywood Interior : Effect of Veneer Type and Amount of Adhesive on Plywood Face Coating Nurmadina, Nurmadina; Wijayanto, Arip; Widiyanto, Wahyu; Nugroho, Alfani Risman; Purwanto, Agung Ari
Jurnal Silva Tropika Vol. 6 No. 2 (2022): Jurnal Silva Tropika
Publisher : Fakultas Kehutanan Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jsilvtrop.v6i2.23788

Abstract

Utilization of composite boards for furniture has been widely used in order to substitute solid wood. Coating veneer (veneering) is a technique to improve the appearance of composite panel products, such as plywood. This research was conducted to determine the effect of the type of veneer and the mass of adhesive lath on the physical and mechanical properties of veneering plywood. The veneer used are from teak, mahogany and mindi. The adhesive used was polyvinyl acetate (PVAc) with a melting weight of 130 g/m2, 150 g/m2, 170 g/m2. The results showed that the type of veneer had no effect on the physical and mechanical properties of the composite board. The physical properties in the form of density are affected by the weight of the adhesive, the higher the amount of adhesive, the higher the density. Veneer delamination with glue spread of 150 and 170 g/m2 complies with JAS Type 2 standards. Veneer composite products with PVAc adhesives can be used in interior areas where there is frequent short term exposure to water.   Keywords: adhesive, glue spread, plywood, veneer   ABSTRAK Pemanfaatan plywood untuk furnitur telah banyak digunakan dalam rangka mensubtitusi kayu pejal. Veneering merupakan suatu teknik pelapisan permukaan untuk meningkatkan penampilan panel misalnya pada plywood. Penelitian ini dilakukan untuk mengetahui pengaruh jenis finir dan berat labur perekat terhadap sifat fisika dan mekanika veneering plywood. Finir yang digunakan adalah dari kayu jati, mahoni dan mindi. Perekat yang digunakan adalah polyvinyl asetat (PVAc) dengan berat labur 130 g/m2, 150 g/m2, 170 g/m2 . Hasil penelitian menunjukkan jenis finir tidak berpengaruh terhadap sifat fisika, mekanika papan komposit. Sifat kerapatan dipengaruhi oleh berat labur perekat, yaitu semakin tinggi berat labur maka kerapatan semakin meningkat. Delaminasi veneering dengan berat labur 150 dan 170 g/m2 memenuhi standar JAS Type 2. Produk komposit veneering dengan perekat PVAc dapat digunakan pada interior dan dapat perpapar kelembapan secara singkat.   Katakunci: berat labur, finir, perekat, plywood
Co-Authors Anggiriani, Siska Anshah Silmi Afifah Arip Wijayanto Bahtiar Rahmat Fitrianto, Taufik Ramadhan Fitriyanto, Taufik Ramadhan Galih Prakoso, Galih Haryati, Putri Dwi Juwitasari, Dhian Larasati, Nur Afina Julia Nurmadina, Nurmadina Purwanto, Agung Ari Retno Widiastuti Syah, Edo Ardiyan Wahyu Widiyanto Wahyu Widiyanto, Wahyu