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All Journal Turbo : Jurnal Program Studi Teknik Mesin Jurnal Teknologi Terapan Jurnal Pengabdian kepada Masyarakat (Nadimas) Jurnal Polimesin Metalik: Jurnal Manufaktur, Energi, Material Teknik
Adi Kusmayadi
Politeknik Negeri Indramayu
Automotive Engineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences

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PELATIHAN DASAR MENGGAMBAR TEKNIK SISWA SMK PGRI JATIBARANG Farhan, Ahmad; Alba Pradana, Claudha; Kusmayadi, Adi; Irawan, Candra
Jurnal Pengabdian kepada Masyarakat (NADIMAS) Vol 3 No 2 (2024): Jurnal Pengabdian kepada Masyarakat (Nadimas)
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/nadimas.v3i2.78

Abstract

PGRI Jatibarang Vocational School is one of the vocational schools on Jalan Mayor Dasuki No. 159 Jatibarang, Indramayu Regency, West Java Province. Based on the results of observations on PGRI Jatibarang Vocational School students who are PKL at the Politeknik Negeri Indramayu (Polindra), there are problems regarding understanding technical drawings. In order to improve the skills of PGRI Jatibarang Vocational School students, especially in understanding technical drawing to increase the competitiveness of graduates. The PKM team conducted a group discussion forum (FGD) with vocational school stakeholders, especially vocational school students who were doing internships at the D4 Manufacturing Design Study Program. The PKM team collected data and explored the problems that existed among the intern students. After conducting the FGD, the PKM Team conducted technical drawing training for students at the PGRI Jatibarang Vocational School, Indramayu Regency. The results of this training show a fairly effective increase based on pretest and posttest scores with N-Gaing.
RANCANG BANGUN MESIN CETAK ECO PAVING BLOCK PNEUMATIK BERBASIS LIMBAH PLASTIK Kusmayadi, Adi; Sukroni, Sukroni; Haris, Emin; Irawan, Candra; Rohmat, Yusup Nur; Syaifurrahman, Arief; Gunawan, Leo Van; Ghozali, Muhamad
Jurnal Teknologi Terapan Vol 11, No 1 (2025): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v11i1.715

Abstract

The escalating volume of plastic waste has become a critical environmental challenge, highlighting the need for innovative solutions to repurpose it into valuable construction materials. This study aimed to design and develop a pneumatic-based eco-paving block printing machine that uses plastic waste as its primary raw material. The research methodology encompassed the design and simulation of pneumatic circuits, structural analysis involving stress distribution, displacement, and factor of safety (FOS), and strength testing of the fabricated eco-paving blocks. The machine was equipped with a pneumatic cylinder measuring 80 × 75 mm, operating at a pressure of 6 bar and generating a maximum pressing force of 300 kg. The simulation results confirmed that the maximum stress and displacement remained within safe limits, with a minimum FOS of 8.4, thereby ensuring a stable and reliable design. Testing of the eco-paving blocks revealed compressive strengths ranging from 38 to 54 MPa, surpassing the requirements of the SNI 03-0691-1996 standard. This study demonstrates that a pneumatic-based eco-paving block printing machine effectively transforms plastic waste into high-quality construction materials compliant with national standards, offering a practical solution to the plastic waste crisis while promoting sustainability in the construction industry.
Design and performance test of a water hyacinth (Eichhornia crassipes) and coconut shell charcoal briquette mixing machine Yusup Nur Rohmat; Adi Kusmayadi; Ferry Sugara; Riza Apriansyah; Neli Agustin
Jurnal Polimesin Vol 24, No 1 (2026): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i1.7712

Abstract

Dependence on fossil fuels such as oil and natural gas gives rise to various problems, including rising energy prices, limited supply, and environmental impacts in the form of high carbon emissions. Therefore, efforts are needed to develop alternative energy sources based on local raw materials such as biomass briquettes which can be made from various organic waste, such as water hyacinth and coconut shells. The objectives of this research focus on the design, manufacture, and performance testing of briquette mixing and molding machines, as well as analysis of the quality of briquettes produced from a mixture of coconut shell charcoal and water hyacinth with the addition of paraffin wax as an adhesive. The machine was designed using dimensions of 1000×500×500 mm, equipped with a spiral mixer supported by an S45C steel shaft. This research presented a method of making briquettes with various compositions of water hyacinth and a mixture of coconut shell charcoal and paraffin wax as adhesives, and tested for calorific value, ash content, and combustion rate. The best results were obtained from a mixture of 70% coconut shell charcoal, 30% water hyacinth, and 5% paraffin wax, with a calorific value of 6.285 cal/g, an ash content of 2%, and a stable combustion rate of 0.12–0.16 g/min. The addition of paraffin wax has been shown to improve combustion stability and energy efficiency. The research results show that the designed mixer and briquette press machine function effectively, and briquettes made from biomass waste with natural adhesives have great potential as an environmentally friendly and economical alternative fuel.
PENERAPAN TEKNOLOGI MESIN PENGERING BIJI KOPI MENGGUNAKAN SISTEM SOLAR PANEL Yusup Nur Rohmat; Muhammad Luthfi; Adi Kusmayadi; Nanang Setiawan; Ferdian Dwi Susanto
TURBO [Tulisan Riset Berbasis Online] Vol 14 No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i2.4551

Abstract

Penelitian ini mengintegrasikan perancangan, pembuatan, dan pengujian mesin pengering biji kopi berbasis energi terbarukan menggunakan sistem panel solar untuk meningkatkan efisiensi proses pascapanen. Mesin dirancang dengan rangka besi hollow galvanis (50 × 50× 0,8 mm), tabung pengering berkapasitas ±2–2,4 kg, motor listrik 0,5 HP, gearbox rasio 1:20, serta sistem transmisi gear dengan total rasio 69 yang menghasilkan putaran 20,29 RPM dan torsi 175,624 N·m. Desain mesin dibuat menggunakan perangkat lunak SolidWorks 2022 dan diuji melalui simulasi statik, dengan hasil menunjukkan tegangan maksimum 1,177 MPa, deformasi 0,012 mm, serta faktor keamanan mencapai 174 sehingga rangka aman digunakan. Perhitungan efisiensi termal mencapai 67,36% dengan daya heater 500 Watt yang menghasilkan energi panas 3600 kJ dan diserap 2425,1 kJ oleh biji kopi. Proses fabrikasi dilakukan melalui tahapan marking, cutting, rolling, bending, welding, assembly, wiring, dan finishing dengan material utama besi hollow, plat galvalum, dan plat jaring stainless steel. Pengujian kadar air biji kopi dilakukan dengan variasi waktu 20, 40, dan 60 menit, namun hasil signifikan baru dicapai setelah 3 jam 30 menit ketika kadar air turun dari 26% menjadi 12% sesuai standar SNI, dengan massa berkurang dari 1320 gram menjadi 695 gram. Sebagai pembanding, metode pengeringan manual menggunakan sinar matahari memerlukan waktu ±3–4 minggu untuk mencapai kadar air serupa. Hasil penelitian menunjukkan bahwa mesin pengering kopi berbasis panel solar mampu mempercepat proses pengeringan secara signifikan, lebih konsisten, ramah lingkungan, tidak bergantung pada kondisi cuaca, serta berpotensi meningkatkan produktivitas petani kopi di Indonesia.
Perancangan dan Simulasi Mesin Pengayak Tepung Kapasitas 10 Kg Leo Van Gunawan; Adi Kusmayadi; Ihsan Ade Yoga
METALIK : Jurnal Manufaktur, Energi, Material Teknik Vol. 4 No. 2 (2025): Metalik: Jurnal Manufaktur, Energi, Material Teknik
Publisher : Universitas Muhammadiyah PROF. DR. HAMKA Fakultas Teknik – Program Studi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/metalik.v4i2.21110

Abstract

Proses pengayakan merupakan tahap penting dalam industri pengolahan tepung untuk menghasilkan produk dengan ukuran partikel seragam dan tekstur halus. Namun, pada skala usaha kecil dan menengah, kegiatan ini masih banyak dilakukan secara manual sehingga menurunkan efisiensi dan konsistensi hasil. Penelitian ini bertujuan untuk merancang dan mensimulasikan mesin pengayak tepung dengan kapasitas 10 kg yang efisien, kuat, dan higienis untuk mendukung produktivitas industri kecil dan menengah. Proses perancangan dilakukan melalui tahap konseptual, pemodelan 3D menggunakan SolidWorks, serta simulasi statik untuk menganalisis kekuatan struktur dan respons mekanik terhadap gaya getar. Desain mesin terdiri atas rangka utama berbahan hollow galvanis 1 mm sebagai penopang global, panci penyaring dan penampungan dari stainless steel 2 mm untuk menjaga higienitas, serta sistem eksitasi getar menggunakan bandul tak seimbang dengan motor induksi ½ HP berkecepatan 1500 rpm. Hasil simulasi menunjukkan tegangan maksimum sebesar 96,6 MPa dengan factor of safety (FOS) sebesar 2,1 dan perpindahan maksimum 0,291 mm, menandakan struktur mampu menahan beban kerja dengan baik. Gaya eksitasi teoritis yang dihasilkan berada pada kisaran ±23–50 N, cukup untuk memecah aglomerat tanpa merusak tekstur tepung. Berdasarkan hasil analisis, desain mesin pengayak tepung ini dinilai layak untuk direalisasikan ke tahap prototipe karena memiliki kinerja mekanik yang stabil, efisien, dan sesuai untuk aplikasi pengayakan tepung skala kecil hingga menengah.
Co-Authors Ahmad Farhan, Ahmad Candra Irawan Ferdian Dwi Susanto Ferry Sugara Haris, Emin Ihsan Ade Yoga Leo Van Gunawan Leo Van Gunawan Muhamad Ghozali, Muhamad Muhammad Luthfi Nanang Setiawan Neli Agustin Nur Rohmat, Yusup Pradhana, Claudha Alba Riza Apriansyah Sukroni, Sukroni Syaifurrahman, Arief