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All Journal Rekayasa Mesin Journal of Mechanical Engineering Science and Technology 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 GEMBIRA (Pengabdian Kepada Masyarakat) Jurnal Polimesin Jurnal Pengabdian Kepada Masyarakat Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer Evrimata: Journal of Mechanical Engineering
Akhlis Rizza, Muhammad
Jurusan Teknik Mesin, Politeknik Negeri Malang
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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OPTIMALISASI PRODUKSI DAN TATA KELOLA KEUANGAN MELALUI PENERAPAN MESIN PUNCH ROLL DIES DAN APLIKASI DIGITAL PADA UMKM J&R DESA DUWET Muhammad Akhlis Rizza; Evi Suwarni; Galuh Zuhria Kautzar
Jurnal Pengabdian kepada Masyarakat Vol. 12 No. 2 (2025): JURNAL PENGABDIAN KEPADA MASYARAKAT 2025
Publisher : P3M Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/abdimas.v12i2.8825

Abstract

This community service activity aims to improve the production capacity and financial management of J&R MSME, a cassava chips producer in Duwet Village, Tumpang District, Malang Regency. The main problems faced by the partner are limited production capacity due to manual processes and simple, unorganized financial records. The solutions offered include the implementation of a punch roll dies machine to shorten the production chain and the adoption of digital financial management using the Teman Bisnis application. The methods applied consist of socialization, training, technology implementation, mentoring, and evaluation. The results of the activity show an increase in production capacity from 200 kg/day to 250–300 kg/day, as well as improved financial recording with more than 80% of transactions recorded digitally. This program has had a positive impact on productivity, financial transparency, and the potential for job creation in Duwet Village.
Effect of welding angle variation on impact strength, micro and macrostructural characteristics of SMAW joints in AISI 1020 steel Aldino, Aman; Rizza, Muhammad Akhlis; Susilo, Sugeng Hadi
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 Putra, Vian Rizanda; Rizza, Muhammad Akhlis
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 Agus Dani Ahmad Hailala Nur Aziz Aji , Supa Kusuma Aji, Supa Kusuma Akhsanu Takwim, R N Aldino, Aman Amalia, Zakiyah Amrullah, Radhi Nurvian Anam Kapit, Moch 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 Eko Yudiyanto Etik Puspitasari Etik Puspitasari, Etik Evi Suwarni, Evi Farida, Nike Nur Fengky Adie Perdana, Fengky Adie Fiernaningsih, Nilawati Galuh Zuhria Kautzar Hadi Susilo, Sugeng Hangga Wicaksono Hapsari, Ratih Indri Haris Puspito Buwono Harsanti, Winda Herijanto, Pudji Hudriyah Mundzir I Nyoman Gede Wardana Indra Pratama Khaerudin, Dian Noorvy Khairy, Muhammad Shulhan Khrisna Hadiwinata Kris Witono Lazuardi Lazuardi Lisa Agustriyana M. Nanak Zakaria maryono maryono Maryono Maryono Maryono Maryono Mochammad Ariibah Wicaksana Moechammad Sarosa Moh. Abdullah Anshori Mohammad Abdullah Anshori Monasari, Ratna Muhammad Nanak Zakaria Nike Nur Farida Nila Alia Nugroho, Pipit Wahyu Nurkholis Hamidi Putra, Vian Rizanda Putri, Fidia Sabilla Rarindo, Hari Ratna Ika Putri Ika Putri Ratna Monasari Riskitasari, Septyana Roman Syahrifudin, Firli Rosianto, Muhammad Pradipa Rosy Aprieza Puspita Zandra Santoso Santoso Sapto Wibowo Sapto Wibowo Sarjiyana Sarjiyana Sharif, Safian Shohib Muslim Sri Hudiarini Sugeng Hadi Susilo Suhaimi, Mohd Azlan Susilo, Sugeng Hadi Suyanta Suyanta Suyanta, Suyanto Syamsul Hadi Syamsul Hadi Wenda Prasta Wahyuadi Widya Wijayanti Wildan, Mukhamad Zainul Windi Zamrudy Wirawan Wirawan Wirawan Yovianto Dharsono, Ekky Zainuri, Ach. Muhib Zakki Fuadi Emzain