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All Journal Jurnal Simetris Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Prosiding SNATIF Rekayasa Mesin Majalah Ilmiah MOMENTUM Jurnal Inovator JURNAL CRANKSHAFT Journal of Industial Engineering and Technology Jurnal Polimesin ABDINE :Jurnal Pengabdian Masyarakat Teknik: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer
Rianto Wibowo.
Universitas Muria Kudus
Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Karakterisasi sifat mekanis paduan aluminium dari daur ulang velg untuk produk truck skateboard melalui metode investment casting Slamet, Sugeng; Kurniawan, Iwan Agus; Wibowo, Rianto
JURNAL CRANKSHAFT Vol 6, No 2 (2023): Jurnal Crankshaft Vol. 6 No. 2 (2023)
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/crankshaft.v6i2.11052

Abstract

Skateboarding adalah olahraga yang menggunakan papan berroda yang berjalan lurus kedepan dengan melewati berbagai rintangan. Truck merupakan salah satu komponen penting berguna sebagai penyangga skateboard terpasang di bawah board. Fabrikasi truck banyak dikerjakan dengan proses permesinan dengan detail kompleksitas dan kepresisian tinggi. Hal ini menjadi kesulitan yang dirasakan pada industri manufaktur. Penelitian ini bertujuan untuk mengembangkan teknik pengecoran logam dengan metode investment casting menggunakan paduan aluminium. Material yang digunakan paduan Aluminium dari proses daur ulang velg motor. Fabrikasi dilakukan melalui metode invesment casting dengan membuat pola menggunakan limbah lilin industri batik. Proses pengecoran dilakukan dengan memperhatikan temperatur tuang sesuai komposisi paduan. Pengujiaan mekanis dilakukan dengan uji kekuatan tarik (ASTM E8M ) dan kekerasan ( HRC). Karakterisasi terhadap paduan Aluminium daur ulang velg motor menunjukkan komposisi 93,8%Al dan 4,4%Si. Sifat mekanis terhadap nilai  kekuatan tarik sebesar 121,89 MPa, modulus elastisitas 721,93 MPa dan nilai kekerasan 63,33 HRC. Metode investment casting mampu diterapkan untuk memproduksi truck skateboard dengan detail komplek dan kepresisian.
Orthopedic cast design and simulation: innovations for improved patient care Winarso, Rochmad; Wibowo, Rianto; Hidayat, Taufiq; Laksono, Dwi Agung
JURNAL CRANKSHAFT Vol 7, No 1 (2024): Jurnal Crankshaft Vol.7 No.1 (2024)
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/crankshaft.v7i1.12215

Abstract

Some problems that often happen with clay casts are limited joint movement, muscle loss, and lower blood flow. There is a higher chance of systemic problems like clotting, local allergic reactions, skin trauma, compartment syndrome, and heat injuries. Plaster casts can cause skin sores from the pressure on the skin, skin infections, rashes, and stiffness in the joints over time. To get around these problems, many methods combining reverse engineering (RE) and additive manufacturing (AM) have been tested and shown to be effective in healing orthopedic casts problems, which are common fractures. Finite element analysis may be used to forecast the mechanical characteristics of devices such as orthopedic casts. In this study, we will use finite element analysis to examine the orthopedic cast designs' mechanical properties. Acrylonitrile butadiene styrene (ABS) was chosen as the material for this investigation because ABS is a recyclable material. A reduction in safety factor is observed as the weight imparted to the model increases. The utmost recommended burden at loading position 1 is 50 pounds of force. According to the findings derived from the simulations, the application of a 50-pound force burden will yield a safety factor of three. 10 pounds is the utmost weight that is recommended for loading position 2. This is based on the findings of the modeling, which suggest that the 10 lbf loading will generate a safety factor of 3.3. The maximum burden capacity that is advised for loading position 3 is 13 lbf. The deduction of this conclusion is supported by the simulation outcomes, which demonstrate that a 13-pound force application yields a safety factor of 3.01. 220 lbf is the utmost recommended force for loading position 4. Because the 220 lbf loading will produce a safety factor of 3.0, this is the case.
Edukasi Pemanfaatan Teknologi SIPAIK untuk Peningkatan Sumber Daya Manusia Kelompok Sadar Wisata Singobarong Desa Pedawang Kudus Abdul Rozaq, Imam; Wibowo, Rianto; Imanudin, Muhamad; Norivan Fitahuddin, Elshin; Hafana, Ihgam
ABDINE: Jurnal Pengabdian Masyarakat Vol. 4 No. 2 (2024): ABDINE : Jurnal Pengabdian Masyarakat
Publisher : Institut Teknologi dan Bisnis Riau Pesisir

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52072/abdine.v4i2.961

Abstract

Kemajuan teknologi yang sangat cepat membawa perubahan besar di semua bidang kegiatan manusia, mulai dari otomasi dan kecerdasan buatan hingga Internet of Things. Hal ini mempercepat proses transformasi digital dan membuka peluang baru di setiap sektor. Di Desa Pedawang, Kecamatan Bae, Kabupaten Kudus, terdapat kebun nanas seluas 1 hektar yang dikelola oleh Bumdes Simase dan Pokdarwis Singobarong. Beragam jenis nanas dari berbagai daerah Indonesia ditanam di kebun ini. Tanaman nanas membutuhkan pengairan harian, yang jika dilakukan secara manual, akan meningkatkan biaya penyiraman. Oleh karena itu, irigasi otomatis menjadi solusi yang efisien dan mudah diterapkan, serta dapat meningkatkan produktivitas tanaman.  Pelatihan yang efektif harus relevan dengan kebutuhan peserta, melibatkan mereka secara aktif, memiliki tujuan yang jelas, serta memberikan umpan balik konstruktif. Edukasi yang dimulai dari hal-hal kecil, seperti pengenalan teknik pengairan dan penggunaan teknologi Sistem Pengaturan Air Irigasi Kebun (SIPAIK), adalah dasar penting untuk pengembangan lebih lanjut. Proses ini tidak hanya meningkatkan pengetahuan dan keterampilan peserta, tetapi juga membentuk kebiasaan positif dan nilai-nilai yang kuat, yang berdampak signifikan pada kehidupan individu dan masyarakat dalam jangka panjang.
Analisis Efektivitas Penerapan Maintenance pada Mesin Produksi Furniture (Rustic) Studi Kasus di PT. Rajawali Perkasa Furniture Ratri Rahmawati; Sigit Arrohman; Rianto Wibowo; Bella Chintya Reira Christata; Heni Risnawati; Tuti Nadhifah
Jurnal INOVATOR Vol. 9 No. 1 (2026): Jurnal INOVATOR
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/0jtxqx05

Abstract

Rustic wood refers to a type of wood that has a rough, natural appearance, and often retains the original characteristics of the wood. The term "rustic" describes a style or appearance that is simple, old-fashioned, and rustic in nature. Rustic wood is often used in interior and exterior design to create a warm, natural atmosphere. The research methodology was carried out by searching for literature studies collected from journals, papers and the internet. Conduct interviews with supervisors and PT employees. Rajawali Perkasa Furniture in the field. As well as direct observations in the field to find solutions related to problems that occur to take corrective solutions in accordance with company procedures. The maintenance carried out to repair Rustic machines is Preventive Maintenance. A maintenance system that is carried out regularly to ensure the condition of the machine and extend the life of the machine. Preventive maintenance is carried out regularly to prevent damage to the equipment so that if minor damage is found it can be repaired immediately. With planned maintenance, PT Rajawali Perkasa Furniture aims to find symptoms of damage to equipment before it experiences fatal damage, keep its production equipment machines in optimal condition, reduce the risk of damage, and increase overall productivity.
Pengaruh Fraksi Volume Pada Uji Mekanis Komposit Hybrid Dari Serat Sabut Kelapa Dan Serat Batang Pisang Bermatrix Epoxy Frizky Putra Inzaghi; Ratri Rahmawati; Rianto Wibowo; Sigit Arrohman
Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol. 5 No. 2 (2025): Juli : Jurnal Teknik Mesin, Elektro dan Ilmu Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/teknik.v5i2.7587

Abstract

Abstract. The increasing demand for eco-friendly and recyclable materials has driven the development of natural fiber-based composite materials. This study aims to analyze the effect of volume fraction variation on the mechanical properties of hybrid composites made from coconut coir fiber and banana stem fiber with an epoxy matrix. The research employed an experimental method with variations of fiber volume fractions at 40%, 30%, and 20%, and mechanical testing including tensile, bending, and impact tests based on ASTM standards. The results showed that the highest tensile strength was achieved by the composite with a 60% matrix and 40% fiber volume fraction, reaching 21.16 MPa. Meanwhile, the highest bending strength and impact resistance were obtained by the composite with an 80% matrix and 20% fiber volume fraction, at 49.46 MPa and 0.00837 Joule/mm², respectively. Increasing the fiber content tends to enhance tensile strength but reduces bending strength and impact resistance due to uneven resin distribution and the formation of voids. This hybrid composite has potential as an environmentally friendly material alternative with competitive mechanical properties.
Karakterisasi Fisik dan Mekanis Komposit Hybird dari Serat Pelepah Pisang, Fiberglass, dan Epoxy Muchammad Aryadi Anwar; Ratri Rahmawati; Rianto Wibowo; Sigit Arrohman
Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol. 5 No. 2 (2025): Juli : Jurnal Teknik Mesin, Elektro dan Ilmu Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/teknik.v5i2.7588

Abstract

Abstract. The increasing need for environmentally friendly materials encourages research on natural fiber-based composites. This study aims to characterize the physical and mechanical properties of hybrid composites of banana leaf fibers, fiberglass, and epoxy, as an alternative automotive material. The manufacturing process used the hand lay-up method with variations in the volume fraction of banana frond fiber, fiberglass and epoxy (10%; 20%; 70%), (15%; 15%; 70%), (20%; 10%; 70%).And used Experimental Research for Experiment Method. Tests include tensile (ASTM D-3039), impact (ASTM D-5924), and bending (ASTM D-790) tests. Results showed the highest tensile strength at 20% banana leaf fraction reached 38.78 MPa, exceeding the SAE J 1717 standard for car bumper applications. However, increasing the banana leaf fiber decreased the impact strength due to uneven fiber distribution. The highest bending strength was recorded at 69.648 MPa at a balanced fraction of 15% banana fronds and fiberglass. This study indicates the potential of banana leaf fiber hybrid composites as an environmentally friendly alternative material in the automotive industry.
Analisis Variasi Serat Terhadap Sifat Fisik dan Mekanik Komposit Hybird dari Serat Sabut Kelapa, Fiberglass, dan Epoxy Mochammad Rifki Ramadhani; Ratri Rahmawati; Rianto Wibowo; Sigit Arrohman
Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol. 5 No. 2 (2025): Juli : Jurnal Teknik Mesin, Elektro dan Ilmu Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/teknik.v5i2.7598

Abstract

The growing demand for lightweight, strong, and eco-friendly materials has encouraged the development of natural fiber-reinforced composites. This study investigates the mechanical properties of hybrid composites made from coconut coir fiber, fiberglass, and epoxy resin. The aim is to evaluate the effect of different fiber volume fractions on the tensile, impact, and flexural strength of the material. Specimens were fabricated using the hand lay-up method with three fiber volume variations: A (10% coir, 20% fiberglass), B (15%:15%), and C (20%:10%), with epoxy matrix fixed at 70%. Mechanical tests followed ASTM D-3039, D-5924, and D-790 standards. The results revealed that Fraction C exhibited the best performance with tensile strength of 25.52 MPa, impact energy of 11.18 J/m², and flexural strength of 71.86 MPa. These values are comparable to or exceed the minimum requirements for helmet shell materials as specified by SNI 1811-2007. Therefore, this hybrid composite shows great potential as an alternative protective material for motorcycle helmets while adding value to local biomass waste.
Co-Authors AA Sudharmawan, AA Abdul Rozaq, Imam Ahrori, Ardy Hafid Akhmad Zidni Hudaya Amilatul Amin Andre Arif Wicaksana Ardy Hafid Ahrori Arvian Restu Adjie Bella Chintya Reira Christata Candra Kelviyan Nova Chatarina Umbul Wahyuni Darmanto Darmanto Dedy Rustianto Edy Suryono Fajar Nugraha Fery Ardyansyah Frizky Putra Inzaghi Ginanjar Mohammad Noor Hafana, Ihgam Hendri Susanto Imanudin, Muhamad Kurniawan, Iwan Agus Laksono, Dwi Agung Marindho, Dwi Cahyo Marindho, Dwi Cahyo Masruki Kabib Masruki Kabib Masruki Kabib Masruki Kabib, Masruki Maulana, Muh Rizqi Mochammad Rifki Ramadhani Muchammad Aryadi Anwar Muhammad Elyan Nadhifah, Tuti Nila Khusnawati Noor, Ginanjar Mohammad Norivan Fitahuddin, Elshin Novanda Galih Romansyah Qomaruddin Ratri Rahmawati Risnawati, Heni rizaldi kurnia Rochmad Winarso Rois Thoriqul Aziz Roni Safii Rubianto, Budi Samsul K Sigit Arrohman Slamet Khoeron Sugeng Slamet SULIES KURNIAWAN Sulistiyanto Sulistiyanto Sutono, Sugoro Bhakti Tanaka, Imam Ridwan Taufiq Hidayat Wahid, Muhammad Abdul wahyu widiarno Zelimkhan Yanderbiyev Alatas