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Wahyu Isti Nugroho
Politeknik Negeri Semarang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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STRUCTURAL OPTIMIZATION OF AGRO-INDUSTRIAL HAMMER MILL BLADES BASED ON FINITE ELEMENT SIMULATION AND EXPERIMENTAL VALIDATION Ragil Indrawati; Farika Tono Putri; Wahyu Isti Nugroho; Eni Safriana; Rizkha Ajeng Rochmatika; Haffiyan Faza Rizaldy; Ilham Syaifullah; Mohammad Afiq Haidar; Muhammad Haikal Firmansyah; Aden Suhaedi; Ananda Ihza Indrawan; Arya Ramadhan C. S.; Reza Nur Irsandi
Journal of Economic, Business and Engineering (JEBE) Vol. 7 No. 2 (2026): April
Publisher : Universitas Sains Al Qur'an

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32500/jebe.v7i2.10981

Abstract

Hammer mills are widely used for grinding agroindustrial materials. However, suboptimal blade geometry and sieve selection often lead to excessive stress concentration, premature wear, and uneven particle size distribution. This study aims to optimize hammer mill blade design using the Finite Element Method (FEM) and to validate the best-performing design through experimental tests with sieve diameters of 3 mm, 4 mm, and 5 mm. Three blade designs were numerically analyzed at a rotor speed of 2700 rpm under a cutting force of 31,392 N, evaluating von Mises stress, displacement, strain, and factor of safety. Simulation results indicated that Design 1 exhibited the lowest stress, displacement, and strain, along with the highest factor of safety, demonstrating optimal structural stability and fatigue resistance. Experimental validation revealed that a 4 mm sieve provided the best balance between throughput, energy efficiency, and minimal material loss. The developed hammer mill operated stably with a capacity of 21 kg/h and reliable mechanical performance. The integration of FEM-based optimization and experimental validation offers a robust scientific framework for developing low-cost, high-performance agroindustrial grinding systems, while supporting sustainable production through reduced energy consumption and material waste, in alignment with SDG 2 (Zero Hunger) and SDG 12 (Responsible Consumption and Production). Future research may explore rotor geometry optimization for various feedstocks and the implementation of adaptive speed control to further enhance energy efficiency.
Co-Authors A Fauzi, Abdul Syukur Abdul Syukur Alfauzi Abdul Syukur Alfauzy Aden Suhaedi Adhy Purnomo Agung N Agus Slamet Agus Suwondo Ahmad Cholis Ahmad Hamim Su’udy Ahmad Jalaludin, Ahmad Ahmad Mamba'udin Ahmad Mamba’udin Alfarizi, Miftakhul Rizky Alfauzi, Abdul Syukur Amarta, Rona Zaqqi Ampala Khoryanton An Nizhami, Avicenna Ananda Ihza Indrawan Andreyanto W, Mirda Anggit, Timotius Anoeng Prasetyo Ardjo, Anwar Sukito Arya Ramadhan C. S. Ashofa, Salsabila Atikah Ayu Janitra Ayu S, Friska A’Immatul Listi A. M. Balqis Balqis Bambang Tjahjono Bayu Setyo Nugroho Diana Langgeng Mustikawati Diengga Sandy Yudistira Eko Saputra Eko Saputra Eko Saputra Elfrida Rizky Riadini Evan Bagas Satya Faiz Listyanda Farhan, Muchamad Farika Tono Putri Farika Tono Putri Fathoni, Achmad Luthfian Friska Ayu Fitriani Sugiono Friska Ayu Fitrianti Sugiono Friska Ayu Fitrianti Sugiono Fuad Hilmy Haffiyan Faza Rizaldy Hardian, Rudino Tuqo Hartono Hartono Hartono Hartono Hery Tristijanto Huda, Evan Hardi Nurul Huda, Mohammad Ragil Nur Ibnu Salman Rosid Ikhsan, Ivan Hardi Nurul Ilham Syaifullah Indrawati, Ragil Tri Iswanocta Candra Yudhistira Kadavi, Fadhil Kaget Wijaya Omar Tadashi Karuana, Muhammad Rienaldy Khoryanton, Ampala M. Denny Surindra M. Yogi Riyantama Isjoni Manggala, Taruna Martianto, Ilham Mella Katrina Sari Michael Yossia Gultom Mochammad Muqorrobin, Mochammad Mohammad Afiq Haidar Mudjijanto, Mudjijanto Muhammad Haikal Firmansyah Muhammad Showi Nailul Ulum Mulyono Munawaroh, Dita Anis Nanang Apriandi Norfitayana, Fredy Nugroho , Bayu Setyo Nurhidayati Nurhidayati Padang Yanuar Padang Yanuar Padang Yanuar Panji Setya Laksono Pratama, Galang Dimas Putri, Farika Tono R., Rizkha Ajeng Rafsanjanu, Swastika Pascal Ragil Indrawati Ragil Tri Indrawati Ragil Tri Indrawati Ragil Tri Indrawati Reza Nur Irsandi Rizkha Ajeng Rochmatika Rizkha Ajeng Rochmatika Rochmatika, Rizkha Ajeng Rohmatika, Rizka Ajeng Ryan Imanuel Malau Safirana, Eni Safriana, Eni Sai'in, Ali Sanjaya, Maulana Krisna Saputro, Febrianto Suryo Satito, Aryo Slamet Priyoatmojo Slamet Priyoatmojo, Slamet Solly Aryza Sri Harmanto Sri Hastuti Sri Hastuti , S.T., M.T. IPP. Sriharmanto, Sriharmanto Suharto Suharto Supandi Supandi Supandi Susanti, Reny Tegar Aprilio Mahendra Timotius Anggit Kristiawan Tristidjanto, Hery Wattimena, Riles Melvy Xander Salahudin Yanuar Mahfudz Safarudin Yuris Bahadur Wirawan yuris wirawan Yusuf Dewantoro Herlambang Zaenal Abidin Zaenal Abidin Zaenal Abidin