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All Journal Rekayasa Mesin Dinamisia: Jurnal Pengabdian Kepada Masyarakat Jurnal Elemen Logic : Jurnal Rancang Bangun dan Teknologi Kumawula: Jurnal Pengabdian Kepada Masyarakat Jurnal Energi dan Teknologi Manufaktur JPKMI (Jurnal Pengabdian Kepada Masyarakat Indonesia) Reswara: Jurnal Pengabdian Kepada Masyarakat JURNAL FLYWHEEL JURPIKAT (Jurnal Pengabdian Kepada Masyarakat) Jurnal Pengabdian Multidisiplin Journal of Mechanical and Electrical Technology Prosiding SNPBS (Seminar Nasional Pendidikan Biologi dan Saintek) Dharma: Jurnal Pengabdian Masyarakat Jurnal Teknologi Jurnal Ilmiah Fakultas Sains dan Teknik Universitas Nusa Cendana Asian Journal Science and Engineering Jurnal Teknik Ilmu dan Aplikasi JPNM : Jurnal Pustaka Nusantara Multidisiplin GEMBIRA (Pengabdian Kepada Masyarakat) Jurnal Polimesin Jurnal Pengabdian Kepada Masyarakat Manufaktur: Publikasi Sub Rumpun Ilmu Keteknikan Industri Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer Evrimata: Journal of Mechanical Engineering Jurnal Kendali Teknik dan Sains
Akhlis Rizza, Muhammad
Jurusan Teknik Mesin, Politeknik Negeri Malang
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Pengaruh Kecepatan Putar dan Waktu Pemipilan Jagung Kapasitas 150 kg/ jam terhadap Kualitas Hasil Pemipilan Jagung Firli Roman Syahrifudin; Muhammad Akhlis Rizza
Jurnal Teknik Ilmu dan Aplikasi Vol. 6 No. 1 (2025): Jurnal Teknik Ilmu dan Aplikasi
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jtia.v6i1.5636

Abstract

Salah satu usaha kecil pengolahan beras jagung di Kecamatan Tumpang, Kabupaten Malang menggunakan mesin perontok jagung dalam proses perontokan. Prinsip kerja mesin ini adalah dengan memukul jagung menggunakan mekanisme rantai perontok di dalam tabung perontok hingga biji jagung terlepas. Salah satu permasalahan dalam proses perontokan adalah hasil biji jagung yang masih mengandung banyak kotoran. Tujuan dari penelitian ini adalah untuk menentukan parameter terbaik antara kecepatan putar dan waktu perontokan. Pengujian dilakukan dengan variasi kecepatan putar 800 rpm, 1.000 rpm, dan 1.200 rpm serta waktu 1 menit, 2 menit, dan 3 menit. Hasil penelitian menunjukkan bahwa parameter terbaik diperoleh pada kecepatan putar 800 rpm selama 1 menit, dengan berat biji jagung sebesar 4.320 gram dan kotoran seberat 43 gram.
Pengaruh Waktu Pengadukan dan Kecepatan Putaran terhadap Konsistensi Viskositas Adonan pada Alat Mixer Horizontal Ekky Yovianto Dharsono; Muhammad Akhlis Rizza
Jurnal Teknik Ilmu dan Aplikasi Vol. 6 No. 1 (2025): Jurnal Teknik Ilmu dan Aplikasi
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jtia.v6i1.5638

Abstract

Usaha Mikro, Kecil, dan Menengah (UMKM) memiliki peran penting dalam mendukung perekonomian nasional, salah satunya pada sektor kuliner seperti produksi krupuk singkong oleh UMKM di Kecamatan Tumpang, Kabupaten Malang. Salah satu proses penting dalam produksi krupuk adalah pengadukan adonan, yang berpengaruh langsung terhadap konsistensi viskositas adonan. Penelitian ini bertujuan untuk menganalisis pengaruh waktu pengadukan dan kecepatan putaran pada alat mixer horizontal terhadap viskositas adonan. Hasil penelitian menunjukkan bahwa waktu pengadukan dan kecepatan putaran memiliki pengaruh signifikan terhadap viskositas. Semakin lama waktu pengadukan dan semakin cepat kecepatan putaran, maka nilai viskositas yang dihasilkan semakin tinggi. Kombinasi optimal ditemukan pada kecepatan 80 RPM dan waktu pengadukan 15 menit, dengan rata-rata viskositas sebesar 1.411,12 PaS, lebih tinggi dibandingkan standar viskositas adonan eksisting sebesar 1.171,50 PaS. Selain itu, kecepatan 80 RPM menghasilkan data yang lebih konsisten dengan standar deviasi terendah yaitu 21,05. Hasil ini diharapkan dapat menjadi acuan pengaturan alat mixer yang lebih efisien dan meningkatkan kualitas serta produktivitas UMKM dalam memproduksi krupuk singkong.
Pengaruh Variasi Diameter Disc Brake dan Tekanan Master Silinder terhadap Performa Pengereman Sepeda Motor 110 cc Sulton Nasrullah; Purwoko Purwoko; Muhammad Akhlis Rizza; Sugeng Hadi Susilo
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 3 (2026): Juni : Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v4i3.1696

Abstract

Braking performance is an important aspect of motorcycle safety because it relates to the vehicle’s ability to reduce speed and stop properly. In a hydraulic disc brake system, braking is influenced by mechanical and hydraulic factors, especially disc brake diameter and master cylinder pressure. Disc brake diameter determines the effective braking radius, while master cylinder pressure generates hydraulic pressure that is transmitted to the caliper. This study aims to analyze the effect of disc brake diameter and master cylinder pressure variations on the braking distance and braking time of a 110 cc motorcycle. This research used a quantitative experimental method with a Honda Revo Injection 110 cc motorcycle as the test object. The disc brake diameter variations were 190 mm, 220 mm, and 260 mm, while the master cylinder pressures were 2 bar, 4 bar, and 6 bar. Each treatment combination was tested three times at an initial speed of 40 km/h on a dry and flat asphalt road. Braking distance was obtained from front wheel rotation data recorded by a magnetic digital counter, while braking time was determined from video recordings. The data were analyzed using Two-Way ANOVA and response optimization. The results showed that increasing disc brake diameter and master cylinder pressure reduced braking distance and braking time. The best combination was obtained at a 260 mm disc brake diameter and 6 bar master cylinder pressure, producing a braking distance of 12.8 m and a braking time of 2.3 s.
Redesain Rangka dan Peningkatan Kinerja Mesin Pencetak Kerupuk Berbasis Analisis FEA Muhammad Dzikryan Rifanda; Muhammad Akhlis Rizza
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 3 (2026): Juni : Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v4i3.1705

Abstract

Cracker pr machines are widely used in small and medium-scale food industries. However, limitations in frame design and motor speed control often result in suboptimal machine performance. This study aims to perform a redesign of the upper conveyor frame, analyze the structural strength of the frame, and evaluate the effect of using a Variable Speed Drive (VSD) inverter on improving the production capacity of a cracker printing machine.The research method includes frame redesign, load calculation, and numerical analysis using the Finite Element Method (FEM) with SolidWorks Simulation. The applied loads consist of machine component weights and operational loads. In addition, performance testing was conducted by varying the motor rotational speed controlled by the VSD inverter to determine its effect on production output.The results show that the redesigned frame has a maximum displacement of 0.18 mm, a maximum stress of 8.9 MPa, and a minimum safety factor of 31, indicating that the structure is safe and operates within the elastic region. The implementation of the VSD inverter successfully increased the machine’s production capacity from the initial condition up to 78.5 kg/h. Based on these results, it can be concluded that the frame redesign and the application of a VSD inverter are effective in improving the performance and reliability of the cracker printing machine.
Pembuatan Lengan Senapan Angin 300x100x30 mm, Kaliber 4 mm, Komposit Sabut Kelapa, Kapasitas 0,67 Pasang/Jam Lazuardi Lazuardi; Syamsul Hadi; Nundiah Zuhrohfi Immaroh; Muhammad Akhlis Rizza; Sugeng Hadi Susilo; Maryono Maryono
Manufaktur: Publikasi Sub Rumpun Ilmu Keteknikan Industri Vol. 4 No. 2 (2026): Manufaktur : Publikasi Sub Rumpun Ilmu
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/manufaktur.v4i2.1436

Abstract

The weight of the 4 mm caliber air rifle arm (hand grip) with an initial weight of 450 g and the abundance of underutilized coconut fiber are the problems faced. The purpose of the manufacture is to obtain an air rifle arm measuring 300x100x30 mm, 4 mm caliber from coconut fiber composite material with an air rifle arm weight of around 250 g. The manufacturing method includes: air rifle arm design; selection of coconut fiber material with a diameter of 0.3-0.6 mm with drying at a temperature of 80°C for 2 hours; making a left and right pair of air rifle arm molds; molding coconut fiber composites with polyester resin and 0.5% hardener with a random fiber arrangement with a length of 10 mm and a volume fraction of 20%; natural hardening (curing) for 24 hours; making a standard specimen of coconut fiber composite with the composition for impact tests with three replications; analysis of impact test results data; quality and dimension inspection of the air rifle arm composite. The result of the manufacturing process is an air rifle arm weighing 238 g, with a specific impact strength of 0.087 J/mm², with a total production cost of IDR 157,000/pair, and a production duration of 90 minutes/pair, which results in the total weight of the rifle decreasing from 6.5 kg to 6.3 kg.
Effect of welding angle variation on impact strength, micro and macrostructural characteristics of SMAW joints in AISI 1020 steel Aman Aldino; Muhammad Akhlis Rizza; Sugeng Hadi Susilo
Jurnal Polimesin Vol 24, No 2 (2026): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i2.8817

Abstract

Welding parameters strongly influence the mechanical integrity and metallurgical quality of welded joints. Shielded Metal Arc Welding (SMAW) is valued for its ease of use and versatility across various materials. This study investigates the effect of welding angle variations on the impact strength, microstructure and macrostructure of AISI 1020 steel joints welded using SMAW technique. Welding was performed at angles of 45° and 70° using currents of 80, 90, and 100 A. Charpy impact testing was conducted in accordance with ASTM E23, while macrostructural and microstructural observations were used to evaluate weld quality and the Heat-Affected Zone (HAZ). Impact testing evaluated the internal toughness of the welded joints, while structural observations provided insights into the weld quality and integrity. Results indicated that higher welding currents and larger angles significantly improved impact resistance. The highest impact energy (56 J/cm²) was obtained at 100 A and a 70° welding angle, showing the best impact resilience. The macro and microstructural analysis supported this, with fewer cracks and more evenly distributed martensite, indicating better weld quality.
Influence of cutting parameters on burr morphology in milling of 1–2 mm SS304 plates Vian Rizanda Putra; Muhammad Akhlis Rizza
Jurnal Polimesin Vol 24, No 2 (2026): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i2.8715

Abstract

Machining SS 304 in thin-plate applications presents a significant challenge due to burr formation arising from its high ductility and pronounced plastic deformation during milling. Within the 1 to 2 mm thickness range, reduced structural rigidity increases the tendency for lateral plastic flow and edge deformation, thereby compromising surface quality and increasing the need for secondary deburring operations. Although burr formation in stainless steel has been widely investigated, studies specifically addressing the influence of conventional milling parameters on burr morphology in thin SS 304 plates remain limited. This study aims to analyse the effects of spindle speeds (400 rpm and 800 rpm) and depth of cut (0.25 mm and 0.5 mm) on burr morphology in SS 304 plates with thicknesses of 1 mm, 1.5 mm, and 2 mm. Macroscopic observations were conducted using an optical microscope equipped with a 5× macro lens to evaluate burr height and deformation characteristics. The results demonstrate that increasing depth of cut consistently leads to higher burr formation due to intensified plastic deformation at the tool exit zone. Spindle speed contributes through thermomechanical effects that influence deformation stability, particularly in plates with differing rigidity. The 1 mm plate exhibited the highest burr value, reaching 284 µm, whereas the 2 mm plate showed more stable deformation behaviour with lower burr heights. These findings indicate that a combination of 800 rpm spindle speed and 0.25 mm depth of cut provides a more controlled burr condition, offering practical guidance for minimising burr defects in the conventional milling of thin SS 304 plates.
Co-Authors Achmad Rheza Zhuhudy Agus Dani Ahmad Hailala Nur Aziz Aji , Supa Kusuma Aji, Supa Kusuma Amalia, Zakiyah Aman Aldino Amrullah, Radhi Nurvian Anggit Murdani Anggraheny Ikawanty, Beauty Annisa Fitriana Astrifidha Rahma Amalia Ayatullah, Mohamad Dimyati Bagus Wahyudi Calvin Refdino Gieraldy Putra Dani, Agus David Efan Deny Arisandi Dharsono, Ekky Yovianto Dimas Wahyu Wibowo Ekky Yovianto Dharsono Eko Yudiyanto Esa Setiawan Etik Puspitasari Etik Puspitasari, Etik Evi Suwarni, Evi Farida, Nike Nur Fengky Adie Perdana, Fengky Adie Fiernaningsih, Nilawati Firli Roman Syahrifudin Galuh Zuhria Kautzar Hadi Susilo, Sugeng Hangga Wicaksono Haris Puspito Buwono Harsanti, Winda Herijanto, Pudji Hudriyah Mundzir I Nyoman Gede Wardana Indra Pratama Khaerudin, Dian Noorvy Khrisna Hadiwinata Kris Witono Lazuardi Lazuardi Lisa Agustriyana M. Nanak Zakaria maryono maryono Maryono Maryono Maryono Maryono Moch Anam Kapit Mochammad Ariibah Wicaksana Moechammad Sarosa Moh. Abdullah Anshori Mohammad Abdullah Anshori Monasari, Ratna Muhammad Dzikryan Rifanda Muhammad Nanak Zakaria Muhammad Shulhan Khairy Nike Nur Farida Nila Alia Nundiah Zuhrohfi Immaroh Nurkholis Hamidi Pipit Wahyu Nugroho Purwoko Purwoko Purwoko Purwoko Purwoko Putri, Fidia Sabilla R N Akhsanu Takwim Rarindo, Hari Ratih Indri Hapsari Ratna Ika Putri Ratna Monasari Riskitasari, Septyana Rofiq Hamzah Rosianto, Muhammad Pradipa Rosy Aprieza Puspita Zandra Santoso Santoso Sapto Wibowo Sapto Wibowo Sarjiyana Sarjiyana Sharif, Safian Shohib Muslim Sri Hudiarini Sugeng Hadi Susilo Sugeng Hadi Susilo Suhaimi, Mohd Azlan Sulton Nasrullah Suyanta Suyanta Suyanta, Suyanto Syamsul Hadi Syamsul Hadi Syamsul Ph.D M.A. Hadi Vian Rizanda Putra Wenda Prasta Wahyuadi Widya Wijayanti Wildan, Mukhamad Zainul Windi Zamrudy Wirawan Wirawan Wirawan Zainuri, Ach. Muhib Zakki Fuadi Emzain