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All Journal Jurnal Rekayasa Mesin Conference on Innovation and Application of Science and Technology (CIASTECH) INTEK: Jurnal Penelitian Jurnal Energi dan Teknologi Manufaktur Otopro G-Tech : Jurnal Teknologi Terapan Jurnal Pengabdian Polinema Kepada Masyarakat Journal of Engineering and Applied Technology Eksergi: Jurnal Teknik Energi DIMENSI: Journal of Architecture and Built Environment Jurnal Pengabdian Kepada Masyarakat Ceria Jurnal Pengabdian Kepada Masyarakat Journal of Evrimata: Engineering and Physics J-Proteksion : Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin
Muzaki, Mochamad
Politeknik Negeri Malang
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management 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 Mathematics Mechanical Engineering Nursing Social Sciences Other

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Analisis Penerapan Quality Function Deployment (QFD) sebagai Metode Pengembangan Produk Mesin Perajang Apel untuk Keripik Buah Kurniawan, Yuda Junaedi; Muzaki, Mochamad; Sari, Nurlia Pramita; Firmansyah, Hilmi Iman; Takwim, R.N. Akhsanu
Jurnal Rekayasa Mesin Vol. 19 No. 1 (2024): Volume 19, Nomor 1, April 2024
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v19i1.4670

Abstract

Perajangan merupakan proses paling penting dalam menentukan kualitas produk keripik buah apel yang akan dihasilkan. Sejalan dengan hal tersebut, hasil rajangan sangat bergantung pada kondisi alat perajang maupun keahlian dari penggunanya. Para produsen keripik buah apel di Desa Tulungrejo Kecamatan Bumiaji Kota Batu masih menggunakan alat perajang manual yang mempunyai beberapa kekurangan. Sehingga perlu adanya pengembangan untuk menghasilkan performa mesin perajang yang sesuai dengan kebutuhan produsen tersebut. Penelitian ini bertujuan untuk mengembangkan mesin perajang buah apel sesuai dengan Voice of Customer (VoC) atau kebutuhan dan keinginan produsen keripik buah apel. Metode pengembangan yang digunakan adalah Quality Function Deployment (QFD) dengan alat bantu representatif   berupa matriks House of Quality (HoQ). Di dalam HoQ, customer berharap mesin yang dikembangkan dapat menghasilkan tebal rajangan sesuai standar (3-5 mm) serta memiliki kemampuan yang lebih baik dari alat yang sudah ada disana. Dari hasil concept screening, terpilih konsep dengan kombinasi putaran rpm diatur menggunakan dimmer, ketebalan rajangan diatur dengan baut tekan, tuas pengarah menggunakan pegas tarik dan model mesin tipe horizontal. Mesin ini dirancang mempunyai dimensi minimalis yaitu sebesar 616 x 430 x 430 mm serta dengan komponen yang sederhana sesuai customer requirements pada HoQ. Kapasitas dari mesin ini sebesar 80 kg/jam dengan konsumsi daya listrik sebanyak 150 watt.
DESAIN DAN PEMBUATAN TULISAN IDENTITAS GEDUNG BERHURUF 3 DIMENSI DARI STAINLESS STEEL Hadi, Syamsul; Muzaki, Mochamad; Irawan, Bambang; Purwoko, Purwoko; Buwono, Haris Puspito; Murdani, Anggit
Jurnal Pengabdian kepada Masyarakat Vol. 11 No. 1 (2024): JURNAL PENGABDIAN KEPADA MASYARAKAT 2024
Publisher : P3M Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/abdimas.v11i1.5254

Abstract

This community service aims to increase clarity and beauty for all guests who head to the hall in RW 06 Kelurahan Tasikmadu Malang. The method used is deliberation with residents and building managers to determine the design/technique of the construction model for the posts to be installed in the Hall, making posts from stainless steel in the form of plates (stainless steel) and installing stainless steel letters on the west side of the outer wall of the Hall, assessing the robustness and the beauty of the placement, and submission to the Head of RW 06 where the installation of the writing is in his working area. By installing stainless steel letters in the Hall, it is hoped that identity can be made clear to all guests or all parties who pass in front of it. Thus there is a synergy between State Polytechnic of Malang and community members in obtaining satisfaction of the usefulness of assistance and the beauty of the environment in RW 06 Tasikmadu, Lowokwaru, Malang city.
Simulation of The Effect of Blank Geometry Toward The Mecanical Properties of Strains And Stress on Deep Drawing Process Using Material Aluminum 7075 Pratama, Adjie Yoga; Widyasari, Auzini; Fakhruddin, Muhammad; Muzaki, Mochamad; Firmansyah, Hilmi Iman
Journal of Evrímata: Engineering and Physics Vol. 01 No. 02, 2023
Publisher : PT. ELSHAD TECHNOLOGY INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70822/journalofevrmata.vi.27

Abstract

Using Aluminum 7075 at a high temperature of 50 degrees Celsius, this study examines the effect of various blank geometry angles on the mechanical properties of strain and stress during the deep drawing process. This study systematically examines the impact of different blank geometry angles on the deformation behavior, strain distribution, and stress concentration during the deep drawing process of Aluminum 7075 sheet using a numerical simulation approach. To describe the behavior of the material against the effect of the angle on the pressure in the simulation taking into account realistic parameters, the main point is the result of the pressure treatment of the predetermined angle on the results of the strains and stresses created. The obtained results, which include strain distribution, stress concentration, and overall mechanical reaction, provide important information for the choice of the best blank geometry angle in deep drawing of Aluminum 7075 at high temperatures. This research contributes to the advancement of process optimization in the metal forming industry, providing a solid foundation for improving efficiency and quality in deep drawing operations involving high-strength aluminum alloys.
DESAIN DAN PEMBUATAN PERANGKAT PEMBENTUK PENGGANTUNG PAKAIAN BENTUK S BERSUDUT 90o Hadi, Syamsul; Muzaki, Mochamad; Purwoko, Purwoko; Murdani, Anggit; Aini, Fica Aida Nadhifatul; Shakti, Febryan Candra; Sya'bana, M Rio Alfi; Amrullah, Radhi Nurvian
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.v12i2.9112

Abstract

The problem lies in the inconsistency of the dimensions of the 90° S-shaped clothes hanger forming device for use in research requiring bending and deflection forces using the Tarno Grocki compression testing machine. This community service project aims to develop a 90° S-shaped clothes hanger forming device whose design can be used in research requiring bending and deflection forces using the Tarno Grocki compression testing machine and cannot be used as a stand-alone device without the aid of a hydraulic jack and frame as a production tool in a home industry. The method applied is modifying the design and device so that it can function using the Tarno Grocki compression testing machine and a stand-alone device with the aid of a hydraulic jack as a production tool in a home industry, including the construction of a support table, a trial run, and the donation to partners or home industries. The results of the community service in modifying the 90o S-Shaped Clothes Hanger Forming Device can be used as a production tool by the household industry, so that there is a synergy between State Polytechnic of Malang and the community in producing clothes hangers for the community's needs more efficiently and can meet the needs of the community in general.
Performance of Coconut Waste Interior Panels in Reducing Particulate Matter and Moisture Iyati, Wasiska; Nabilah, Asti Ainun; Muzaki, Mochamad; Nugroho, Agung Murti
DIMENSI (Journal of Architecture and Built Environment) Vol. 53 No. 1 (2026): JULY 2026 (In Press)
Publisher : Institute of Research and Community Outreach, Petra Christian University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/dimensi.53.1.13-21

Abstract

Indoor Air Quality (IAQ) is a pressing issue in densely populated and poorly ventilated spaces, where pollutants such as PM2.5, PM10, and excessive humidity contribute to health risks including Sick Building Syndrome (SBS). This study proposes a passive and sustainable solution through Coconut Waste Interior Panels (CWIP), made from a 50:50 mixture of activated coconut charcoal (CCAC) and coconut fiber, packaged in perforated wooden boxes. Experiments were conducted in a 27 m³ enclosed room with four scenarios: with/without CWIP and with/without fan circulation, using mosquito coil smoke as the pollutant source. The results showed a significant improvement in indoor air quality (IAQ), with CWIP reducing PM2.5 from 65.67 µg/m³ to 40.27 µg/m³ and PM10 from 82.73 µg/m³ to 49.93 µg/m³ (p < 0.001) without fan circulation. A moderate decrease was also observed with fan assistance. Humidity decreased significantly under static conditions. These findings highlight CWIP as an effective, electricity-free, and environmentally friendly alternative, supporting waste utilization and sustainable indoor air quality improvement in resource-limited and environmentally conscious settings.
Co-Authors Achmad Burhanudin Achmad Rijano Agung Murti Nugroho Agus Hardjito Agus Harijono Aini, Fica Aida Nadhifatul Akbarsyah D, Khelvindra Rizky Akhmad Farid Amrullah, Radhi Nurvian Andita N.F. Ganda Anggit Murdani Anwar, Abdul Muid Bambang Irawan BAYU PRANOTO Danang Febriyanto Elka Faizal Endi Sutikno Faizal, Elka Farida, Nike Nur Fauzan Baananto Hangga Wicaksono Hardyanto, Noveri Dwi Haris Puspito Buwono Hilmi Iman Firmansyah Imam Mashudi Imam Mashudi, Imam Kurniawan, Yuda Junaedi Lisa Agustriyana Luthfi - Hakim Moh. Nasir Hariyanto Muhammad Fakhruddin Nabilah, Asti Ainun Nike N.F Nova Risdiyanto Ismail Nugroho, Pipit Wahyu Nurchajat, Nurchajat Nurlia Pramita Sari Paranata, Rake Aji Nugraha Pradana, Yanuar Rohmat Aji Pramita Sari, Nurlia Pratama, Adjie Yoga Pratama, Rico Wahyu Purwoko Purwoko Purwoko Putu Hadi Setyorini R.N. Akhsanu Takwim, R.N. Akhsanu Sai'in, Ali Samsul Hadi Sari, Nurlia Pramita Shakti, Febryan Candra Subagiyo Subagiyo Sulistyono Sulistyono Sulistyono Sulistyono Sya'bana, M Rio Alfi Syamsul Hadi Wasiska Iyati Wicaksono, Hangga Widyasari, Auzini Wiganata, Gading Wihardias, Angga Faisal