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All Journal Jurnal Rekayasa Mesin Logista: Jurnal Ilmiah Pengabdian Kepada Masyarakat Journal of Mechanical Engineering, Science, and Innovation Jurnal Bengawan Solo: Pusat Kajian Penelitian dan Pengembangan Daerah Kota Surakarta
Bondan Wiratmoko Budi Santoso
Teknik Perancangan Mekanik Dan Mesin, Politeknik ATMI Surakarta
Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Energy Engineering Mechanical Engineering Social Sciences

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RANCANG BANGUN MESIN CUCI TANGAN OTOMATIS PORTABEL UNTUK MENGURANGI EFEK PANDEMI COVID 19 Tri Hannanto Saputra; Herda Agus Pamasaria; Bondan Wiratmoko; Reza Hermawan; Romi Supriyono
LOGISTA - Jurnal Ilmiah Pengabdian kepada Masyarakat Vol 4 No 2 (2020)
Publisher : Department of Agricultural Product Technology, Faculty of Agricultural Technology, Universitas Andalas Kampus Limau Manis - Padang, Sumatera Barat Indonesia-25163

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/logista.4.2.534-540.2020

Abstract

Mesin cuci tangan otomatis adalah alat yang berfungsi untuk membersihkan tangan secara otomatis. Penelitian ini bertujuan untuk mengurangi efek pandemi Covid 19 melalui rancang bangun mesin cuci tangan otomatis portabel. Kelebihan mesin ini adalah dapat bekerja secara otomatis pada saat ada tangan yang ingin dibersihkan dan dapat dipindah dengan mudah. Mesin ini dapat mengeluarkan air kemudian mengeluarkan cairan sabun untuk membantu proses membersikan tangan. Sensor infra merah (infrared) pada kran air dan cairan sabun digunakan untuk mendeteksi keberadaan tangan yang ingin dibersihkan. Air dikeluarkan melalui pompa yang diatur oleh selenoid valve. Relay digunakan untuk mengendalikan input dan output mesin ini. Sinyal yang terdeteksi pada infrared diteruskan sebagai input relay, kemudian relay meneruskan sinyal tersebut agar air dan cairan sabun dapat keluar secara otomatis. Mesin dilengkapi dengan baterai sebagai alternatif sumber tenaga. Penggunaan alat ini dapat mempermudah manusia dalam kegiatan membersihkan tangan. Kata kunci: Covid 19, Mesin cuci tangan otomatis, Pembersih tangan, Infrared, Selenoid valve ABSTRACT Automatic hand washing machine is a tool that functions to clean hands automatically. This study aims to reduce the effects of the Covid 19 pandemic through the design of a portabel automatic hand washing machine. The advantage of this machine is that it can work automatically when there is a hand that you want to clean and can be moved easily. This machine can remove water and then remove soap to help the process of washing hands. Infrared sensor (infrared) on water faucet and soap liquid is used to detect the presence of the hand that wants to be cleaned. The water is discharged through a pump which is regulated by the selenoid valve. Relays are used to control the input and output of this machine. Signal detected in infrared forwarded as an input relay, then the relay forwards the signal so that water and soap can come out automatically. The machine is equipped with a battery as an alternative source of power. The use of this tool can make it easier for humans to clean their hands. Keywords: Covid 19, Automatic hand washing machine, Hand sanitizer, Infrared, Selenoid valve
Peluang dan Sifat Mekanis Serat Alam Non-Kayu dalam Pembuatan Papan Partikel (Review Paper) Bawono, Nugroho Mamayu Hayuning; Bawono, Baju; Wiratmoko, Bondan; Stefanditya, Yotam; Anggoro, Paulus Wisnu
Jurnal Rekayasa Mesin Vol. 18 No. 3 (2023): Volume 18, Nomor 3, Desember 2023
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v18i3.5058

Abstract

Penelitian mengenai inovasi produk dalam material komposit merupakan urgensi, salah satu industri yang memiliki potensi inovasi adalah wood-based panels (WBPs) khususnya papan partikel. Selama ini kayu masih menjadi bahan utama dalam produksi papan partikel. Akan tetapi kesadaran konsumen mengenai dampak penggunaan kayu secara berlebih mendorong industri ini untuk mencari alternatif pengganti kayu. Pada penelitian ini dilakukan review yang bertujuan untuk mengetahui, membandingkan, dan mencari peluang serat alam non-kayu sebagai material dalam papan partikel. Berdasarkan 11 jurnal yang telah diulas dari berbagai peneliti di dunia didapatkan hasil bahwa penggunaan serat alam non-kayu adalah feasible jika material tersebut memiliki karakteristik mekanis yang mirip dengan kayu. Serabut kelapa merupakan serat alam yang memiliki potensi menjadi material pengganti kayu pada produk papan partikel. Modulus of elasticity (MOE) dan modulus of rupture (MOR) Spesimen yang telah diuji oleh berbagai peneliti menunjukkan bahwa sifat mekanis serabut kelapa memiliki kemiripan dengan kayu dengan beberapa penyesuaian seperti homogenisasi ukuran partikel dan jenis perekat yang digunakan. Maka dapat disimpulkan bahwa serabut kelapa merupakan salah satu material potensial yang membutuhkan pengembangan lebih lanjut.
Effect of Build Plate Material and Temperature on Adhesion Performance in Fused Filament Fabrication of HIPS and PP Bondan Wiratmoko Budi Santoso; Andreas Sugijopranoto; Budi Arifvianto; Muslim Mahardika; Th. Adi Nugroho; Paulus Wisnu Anggoro
Jurnal Rekayasa Mesin Vol. 20 No. 3 (2025): Volume 20, Nomor 3, Desember 2025
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v20i3.6716

Abstract

Adhesion between the printed part and the buildplate was a critical factor governing process stability, dimensional accuracy, and failure prevention in fused filament fabrication (FFF) technology. This study aimed to investigate the effects of build plate material and build plate temperature on interlayer adhesion performance and build-plate adhesion of high-impact polystyrene (HIPS) and polypropylene (PP). The research method used was an experimental approach involving the fabrication of standardized specimens using an FFF-based 3D printer, evaluation of interlayer bonding through tensile testing in accordance with ISO 527-3, and measurement of build-plate adhesion using a specially designed detachment test apparatus integrated with a universal testing machine, complemented by fracture morphology analysis using scanning electron microscopy. The results showed that increasing build plate temperature significantly improved interlayer adhesion strength and fracture surface width in HIPS, particularly at temperatures approaching its glass transition temperature, indicating enhanced molecular diffusion and improved interfacial bonding quality, whereas PP exhibited poor adhesion performance on all tested build plate surfaces due to early warping and interfacial void formation. Optimal and stable build-plate adhesion was achieved only for the HIPS–PEI combination at a build plate temperature of 105 °C, while ultrabed and glass build plates did not demonstrate adequate adhesion performance. These findings confirmed the importance of compatibility between thermal conditions and build plate surface characteristics in FFF processes and highlighted the necessity of material modification or additional surface treatment to improve the printability of PP.
SoloVerse: Strategi Gamifikasi Pariwisata Interaktif untuk Meningkatkan Daya Saing Pariwisata di “Kutha Sepisan Sing Tak Eling Pas Pengen Dolan” Eusebius Vercelli Ananda Satya Ardany; Amelia Putri; Henrichus Bramastya Chandra Nugraha; Adhi Setya Hutama; Bondan Wiratmoko Budi Santoso; Gregorius Adi Prastiantomo
Jurnal Bengawan Solo Pusat Kajian Penelitian dan Pengembangan Daerah Kota Surakarta Vol. 4 No. 2 (2025): Desember : Jurnal Bengawan Solo
Publisher : Badan Riset dan Inovasi Daerah Kota Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58684/jbs.v4i2.199

Abstract

Tourism plays a key role in the economic development and cultural preservation of Surakarta City, yet it remains underdeveloped compared to Yogyakarta, despite their similar geographical and cultural characteristics. In 2024, the number of tourists visiting Surakarta was less than half that of Yogyakarta. To boost Surakarta's tourism, an innovative strategy is required to attract more visitors and foster repeat tourism. This study employs a mixed-method approach, analyzing literature sources using descriptive, comparative, and projective techniques. It examines the factors contributing to Surakarta's low tourist numbers, analyzes the success of Pokémon GO, and formulates SoloVerse, an augmented reality mobile game. Key factors influencing tourism include Surakarta's uniqueness, beauty, cultural diversity, and available attractions. The success of Pokémon GO is attributed to six critical factors: progressiveness, contextual engagement, app positivity, game mechanics, user interest, and expectations. SoloVerse, which integrates these factors, is a location-based game that combines entertainment with educational content about Surakarta's local culture. It is projected to attract 1.3 million users and potential tourists, contributing to Surakarta's regional economic growth. This study offers a strategic recommendation for the Surakarta City Government to enhance tourism competitiveness and serves as a basis for future research on augmented reality games.
Influence of Electroplating Time on the Hardness Properties of Nickel-Coated Aluminum Margono, Margono; Prasetyo, Cavin Dwi; Chamim, Moch; Andriyansyah, Deni; Santoso, Bondan Wiratmoko Budi; Putra, Deslana Avinda Krisna; Surono, Arif; Hassan, Hassan Khamis
Journal of Mechanical Engineering, Science, and Innovation Vol 6, No 1 (2026): (April)(On Progress)
Publisher : Institut Teknologi Adhi Tama Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2026.v6i1.8767

Abstract

This study investigates the effect of electroplating duration on the hardness and coating thickness of nickel layers deposited on aluminum substrates. Nickel electroplating was performed with immersion times of 17, 34, 51, and 68 min to evaluate the correlation between deposition time, microstructural development, and mechanical enhancement. Microstructural analysis revealed a progressive increase in coating thickness from 3 μm, 7 μm, 11 μm, to a maximum of 44 μm as plating duration increased. Correspondingly, surface hardness exhibited a substantial rise, with untreated aluminum showing 69.44 HV, while electroplated specimens achieved 118.32 HV, 191.32 HV, 258.40 HV, and 418.62 HV, respectively. This increase of up to 502% demonstrates that longer electroplating durations produce denser and finer nickel microstructures, contributing significantly to surface strengthening. The findings confirm that nickel electroplating is an effective method for enhancing the mechanical performance and surface quality of aluminum, with deposition time serving as a critical parameter in optimizing coating characteristics.
Impact of Endurance Testing on the Thermal Performance of a Retrofitted FDM 3D Printer Nugroho, Alexander Ariantono; Christanto, David; Bramantyo, Laurentius Yudha; Santoso, Bondan Wiratmoko Budi; Ign. R. Haryosuprobo; Mardiatno
Jurnal Rekayasa Mesin Vol. 21 No. 1 (2026): Volume 21, Nomor 1, April 2026
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v21i1.7025

Abstract

The reliability of retrofitted Fused Deposition Modeling (FDM) 3D printers is affected by thermal stability during long print cycles. This study evaluated the thermal performance of a retrofitted BFB 3D Touch Cartesian FDM printer equipped with dual extruders, automatic bed leveling, a BTT SKR v1.4 controller, and a 24 V/360 W power supply unit (PSU). An 80 × 80 × 80 mm calibration cube was printed for 5 h to impose a continuous thermal load. Surface temperatures of stepper drivers, stepper motors, mainboard, PSU, and heated bed were measured with a TR-10 thermal imager at 1 h intervals, while bed preheating was recorded for 7 min at P1-P4 and the bed center. The Y1 driver reached 68.7 °C at hour 3, the PSU reached 65.0 °C at hour 5, and the extruder motor reached 52.7 °C. The bed center reached 59.2 °C at minute 7, but the corner regions were lower and locally non-monotonic. These fluctuations are interpreted as effects of local heat-transfer non-uniformity and measurement instability rather than uniform bed cooling. This study shows that driver and PSU cooling, cable-size verification, repeated measurements, and bed insulation are required to improve retrofit-printer reliability in extended operation.  
Enhancing Bed Alignment and Reducing Calibration Time in 3D Printers Using Auto Leveling with PI Control Wongsoatmojo, Andreanto; Pratama, Fransiskus Arjuna Davin; Ign. R. Haryosuprobo; Nugroho, Alexander Ariantono; Santoso, Bondan Wiratmoko Budi; Mardiatno
Jurnal Rekayasa Mesin Vol. 21 No. 1 (2026): Volume 21, Nomor 1, April 2026
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v21i1.7027

Abstract

Manual bed leveling in fused deposition modeling (FDM) 3D printers is operator-dependent and often produces an uneven nozzle-bed gap, which reduces first-layer adhesion and dimensional repeatability. This study developed a retrofittable auto leveling system based on Proportional-Integral (PI) control for a Cartesian 3D Touch 3D printer at Politeknik ATMI Surakarta. The system combines a 3D Touch probe, three NEMA 17 motorized bed supports, one fixed-jaw reference, DRV8825 drivers, an Arduino Mega 2560, and a Raspberry Pi 4B to measure the bed at nine probing points and physically correct the bed height. Bed deviation was defined as the difference between the maximum and minimum measured height at the bed support reference points. Five Kp-Ki combinations were tested using a 0.05 mm tolerance. The best response was obtained at Kp = 1.0 and Ki = 0.03, completing calibration in 223 s with four iterations and a 0.016 mm deviation. Across five trials, auto leveling reduced the average calibration time from 594.4 s to 255.4 s (57.0%) and reduced the average bed deviation from 0.2228 mm to 0.0232 mm (89.6%) compared with manual leveling. ASTM D638 Type I print validation showed 90% successful squareness. The results demonstrate that PI-controlled physical bed alignment can improve calibration efficiency, repeatability, and first-layer reliability in low-cost FDM printers.
Co-Authors Adhi Setya Hutama Amelia Putri Andreas Sugijopranoto Baju Bawono, Baju Bawono, Nugroho Mamayu Hayuning Bramantyo, Laurentius Yudha Budi Arifvianto Chamim, Moch. Christanto, David Deni Andriyansyah Eusebius Vercelli Ananda Satya Ardany Gregorius Adi Prastiantomo Hassan, Hassan Khamis Henrichus Bramastya Chandra Nugraha Herda Agus Pamasaria Ign. R. Haryosuprobo Mardiatno Margono Margono Muslim Mahardika Nugroho, Alexander Ariantono Paulus Wisnu Anggoro Prasetyo, Cavin Dwi Pratama, Fransiskus Arjuna Davin Putra, Deslana Avinda Krisna Reza Hermawan Romi Supriyono Stefanditya, Yotam Surono, Arif Th. Adi Nugroho Tri Hannanto Saputra Wongsoatmojo, Andreanto