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All Journal Transmisi Info-Teknik Jurnal Elemen Logic : Jurnal Rancang Bangun dan Teknologi Jurnal Energi dan Teknologi Manufaktur Journal of Applied Engineering and Technological Science (JAETS) Jurnal Pengabdian Polinema Kepada Masyarakat Jurnal Teknologi Jurnal Ilmiah Fakultas Sains dan Teknik Universitas Nusa Cendana Logic : Jurnal Rancang Bangun Dan Teknologi Jurnal Teknik Ilmu dan Aplikasi Jurnal Pengabdian Kepada Masyarakat Automotive Innovations Journal
Syamsul Hadi
Politeknik Negeri Malang
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 Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Finite Element Analysis and Fabrication of Voronoi Perforated Wrist Hand Orthosis Based on Reverse Engineering Modelling Method Zakki Fuadi Emzain; Nanang Qosim; AM. Mufarrih; Syamsul Hadi
Journal of Applied Engineering and Technological Science (JAETS) Vol. 4 No. 1 (2022): Journal of Applied Engineering and Technological Science (JAETS)
Publisher : Yayasan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/jaets.v4i1.1199

Abstract

Other than surgery, post-stroke spasticity, fractures due to accidents, sports injuries, and musculoskeletal disorders due to office work on the wrist can be treated using a wrist-hand orthosis. The customized conventional methods usually have some drawbacks, which are more expensive, take a long time to manufacture, and require expert skills from medical therapists. The presence of reverse engineering (RE) technology can be applied in the medical field, such as the manufacture of prosthetic or orthosis devices. This study aims to develop a reverse engineering-based wrist-hand orthosis design, analyze it using the finite element method, and fabricate it. Research methods included 3D scanning, CAD modelling, model analysis, 3D printing, and postprocessing. The model material used was PLA with variations in the thickness of 5 mm, 5.5 mm, and 6 mm, and the load values range from 0 N to 30 N. The results of the equivalent stress analysis showed that the 5 mm thickness model could withstand a load of 30 N with a maximum equivalent stress of 23.46 MPa. With a safety factor value of 2.56, it was still relatively safe, and a critical area was at the back end of the model's palm between the thumb and index finger. The equivalent elastic strain and deformation results also had the same graphic trend with the maximum values for the same model, which were 0.0076 mm and 0.614 mm, respectively. The 3D printing FDM result showed that the Voronoi perforated wrist-hand orthosis prototype was sturdy, fit, and comfortable. It is expected to hold muscle tone and immobilize for hand rehabilitation.
ANALISIS PERENCANAAN TATA LETAK DEPARTEMEN PRODUKSI FREESTYLE SCOOTER DENGAN DEMAND 100 UNIT PER HARI Nurchajat; Haris Puspito Buwono; Syamsul Hadi
Jurnal Teknik Ilmu dan Aplikasi Vol. 3 No. 2 (2022): Jurnal Teknik Ilmu dan Aplikasi
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Dalam sistem input output, mesin adalah salah satu faktor input yang harus ada selain manusia, material, keuangan, metode, dan lingkungan yang berinteraksi satu sama lain secara kompak dalam rangka melaksanakan proses transformasi material (bahan baku) menjadi produk sebagaimana direncanakan untuk dapat memenuhi kebutuhan stake holder. Kebutuhan stake holder tersebut tidak hanya sebatas masalah kualitas produk yang dihasilkan tetapi juga masalah seberapa besar kuantitas produk yang diperlukan. Kualitas dan kuantitas produk sangat tergantung kepada jenis dan berapa jumlah mesin yang diperlukan terkait dengan demand. Permasalahannya adalah bagaimana menata mesin-mesin produksi yang bermacam-macam tersebut dalam suatu departemen produksi sehingga diperoleh suatu urutan penataan mesin dengan beban dan jarak minimal dalam pembuatan freestyle scooter dengan demand 100 unit perhari. Solusi dari permasalahan tersebut adalah melalui tahapan-tahapan secara sistematis logis sehingga diperoleh gambar kerja freestyle scooter, tahapan proses dari setiap operasi pemesinan, output standar, kebutuhan bahan baku, jumlah mesin, dan tata letak departemen produksi berdasarkan analisis momen beban kali jarak. Hasil dari penelitian ini adalah gambar Tata letak pabrik Departemen Produksi Freestyle Scooter Dengan Demand 100 Unit Per Hari.
Fatigue Test of Plastics and Manufacturing Collet Nut Driver for Integrated Rotating Bending Fatigue Test Machine Tri Setyo Aji Cahyono; Syamsul Hadi; Rico Wahyu Pratama; Zakiyah Amalia; Fica Aida Nadhifatul Aini; Aini Zuhra Binti Abdul Kadir
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 24 No. 3 (2024): November
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v24i3.110-116

Abstract

The unknown fatigue life of injection molded plastic materials and the ineffectiveness of clamping both ends of the specimen in the collet of the Integrated Rotary Bending Fatigue Testing Machine with manual tightening and loosening are the obstacles faced. The purpose of testing and making a collet nut driver is to obtain a prediction of the fatigue life of injection molded plastic materials and to increase the effectiveness of clamping the end of the specimen with the help of a DC motor drive. The research method uses experiments which include injection molding of plastic materials of the type Polypropylene (PP) and Acrylonitrile Butadiene Styrene (ABS), checking the straightness and surface finishing of the specimen, fatigue testing at 1800, 2000, 2200 rpm, analysis of fatigue test results, and design-manufacturing collet nut drive with DC motor drive and transmission of a pair of spiral cone gears, manufacture of DC motor sliding movement mechanism along the reach of both ends of the specimen, installation of electric power circuits for direction and electric current switches for clockwise and counterclockwise rotation functions, and analysis of the results of the fatigue test and performance of the collet nut driver The results of fatigue testing at a bending stress (S) of 68 MPa for PP material show that at 1800 rpm, the fatigue life (N) was obtained at 2,014,605 cycles and at 2200 rpm, N was obtained at 1,506,486 cycles. Meanwhile, for ABS specimens, at 1800 rpm, N was obtained at 1,547,106 cycles and at 2200 rpm, N was obtained at 1,190,425 cycles, which means PP material has a longer fatigue life compared to ABS. The test results of the DC motor drive on the collet nut showed that the duration of tightening/loosening was 4.4 times faster than manually, which originally had a duration of 66 seconds, down to just 15 seconds for the DC motor drive.
Analysis of Leakage Test Results on Flange-Gasket Piping System Simulator Device Syamsul Hadi; Muhammad Naufal Abiyyi Hutagalung; Bayu Pranoto; Firman Dwiyanto; Dadang Kurniawan
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 25 No. 1 (2025): March
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v25i1.27-34

Abstract

Fluid leaks in piping installations often occur in the industrial sector which is detrimental due to the selection of gasket materials, flanges, and improper tightening torque of flange bolts. The fluids that are flowed can be clean water, palm oil with a fatty acid content at an acidity level (pH) of around 4, oil, solutions with a certain pH or fuel. The purpose of the simulator device analysis is to obtain data on the level of tightening torque of bolts-nuts on 1 inch pipe flanges-gaskets and the volume of leakage. The analysis method includes setting the working pressure of the fluid on the globe valve at 1 Bar, 1.3 Bar, and 1.5 Bar on the flange-gasket piping system simulator device, measuring the lowest tightening torque at which the fluid starts to leak to the highest at a condition where there is no leak at all, and two-way Anova analysis on the distribution data. The results of the study showed that the lowest bolt-nut tightening torque at 2 Nm for three M8 bolts-nuts as flange-gasket pair locks resulted in an average fluid droplet leakage of 120 ml/hour and at a torque of 4 Nm the leakage level was about a quarter of that, namely 36 ml/hour and finally at a torque of 5 Nm there was no leakage at all. Implications in industries that use fluid flow with sufficient tightening torque of nuts-bolts on flanges-gaskets can reduce-stop losses due to leakage that occurs in their piping systems.
DESAIN DAN PEMBUATAN TULISAN IDENTITAS GEDUNG BERHURUF 3 DIMENSI DARI STAINLESS STEEL Syamsul Hadi; Mochamad Muzaki; Bambang Irawan; Purwoko Purwoko; Haris Puspito Buwono; Anggit Murdani
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.
DESAIN DAN PEMBUATAN PERANGKAT PELUBANG PORTABEL RUMAH ANAK KUNCI PADA KERANGKA ALUMINIUM HOLLOW Syamsul Hadi; Bambang Irawan; Purwoko Purwoko; Anggit Murdani; Fica Aida Nadhifatul Aini; Cahyo Tri Waluyo
Jurnal Pengabdian kepada Masyarakat Vol. 11 No. 2 (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.v11i2.6115

Abstract

Manual work using drilling machines, manual grinding, and filing in penetrating holes in the profile of the hollow Aluminum frame in the shape of the glass door lock housing is the problem faced. Community service aims to obtain a portable door lock children's home hole prototype for hollow aluminum frame profiles for glass doors. The method applied is design discussions with partners, making a hole punch frame for a portable door lock housing for an Aluminum frame profile according to the dimensions of a 3 Ton jack, making a punch in the exact shape of a particular key housing hole with an electric discharge machine (EDM) Wire Cut, hardening and tempering steel punch, making sharp side profiles for the shape of the key housing using a CNC milling machine, trial of punching the door frame profile, and handing over the portable door lock home punch tool kit to the service partner. With the completion of the manufacture of the portable door lock children's home punch tool kit as a work aid, it can be used to support the production of glass door frames ordered by the wider community with good results, a fast process, and production costs can be reduced. In this way, there is a synergy between State Polytechnic of Malang (Polinema) and community members in the production of products needed by the community more efficiently and able to meet the needs of the general community.
DESAIN DAN PEMBUATAN PERANGKAT PEMBENTUK PENGGANTUNG PAKAIAN BENTUK S BERSUDUT 90o Syamsul Hadi; Mochamad Muzaki; Purwoko Purwoko; Anggit Murdani; Fica Aida Nadhifatul Aini; Febryan Candra Shakti; M Rio Alfi Sya'bana; Radhi Nurvian Amrullah
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.
DESAIN DAN PEMBUATAN KURSI AYUNAN UNTUK POS PENDIDIKAN ANAK USIA DINI Syamsul Hadi; Ach. Muhib Zainuri; Nurhadi Nurhadi; Nurchajat Nurchajat; Purwoko Purwoko
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.v12i2.9114

Abstract

Early childhood education of Melati Bangsa has only static arcades that still restrict the creativity of children in play as a limitation encountered. The purpose of community service is to facilitate children early age (less than 5 years) in order to build a game together in an exciting atmosphere in the swing chairs capacity of 6 children who are facing each other. Teachers or parents/guardians have responsibility of overseeing and swinging the swing chairs that can be accompanied by the providing of learning through the accompaniment of an interesting story, so learning can be more effective and achieve goals. Methods of community service include: survey with teachers and principal, the availability of areas for installation of swing chairs, design of swing chairs in accordance with the size of the students also anticipate the possiblility that must be strong if it is used by 4 adults, manufacturing swing chairs, painted steel construction and wood, mounting frame and chairs, foundation construction, and testing the chairs and installation of a chain lock. Results obtained in swing chair that can be used by 6 students and 1 teacher simultaneously while receiving lessons from teacher.
PEMBIMBINGAN PEMBUATAN DAN UJICOBA MESIN BRIKET ABU ARANG PADA WARGA SAPTORENGGO, PAKIS, MALANG Purwoko Purwoko; Santoso Santoso; Syamsul Hadi; Eko Yudiyanto; R.N. Akhsanu Takwim
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.v12i2.9141

Abstract

The problem lies in the lack of empowerment of residents in making Charcoal Ash Briquette Machine and their trials. This community service activity aims to guide residents of Saptorenggo, Pakis, Malang in making and testing effective Charcoal Ash Briquette Machine. The method applied is a discussion with residents in the design of the Charcoal Ash Briquette Machine with the working principle of pressing with a rolling roller on a mold plate, making the machine using available and affordable technology, assembly, and testing. The results of community service are in the form of a Charcoal Ash Briquette Machine with a capacity of 45 kg / hour with cylindrical briquette products with a diameter of 8 mm or 12 mm through collaboration between residents of Saptorenggo, Pakis, Malang and the State Polytechnic of Malang (Polinema), so that synergy is established between Polinema and residents of Saptorenggo, Pakis, Malang in producing briquettes from effective wood charcoal ash.
Pembuatan Diesel Particulate Filter Ceramic Panjang 400 mm, Diameter 120 mm, Tebal 20 mm, dengan Perforasi Laser Ø0,5 mm dan Inner Core Stainless Steel Sudirman Rizki Ariyanto Ariyanto; Syamsul Hadi; Warju Warju; Lailatus Sa'diyah Yuniar Arifianti
Automotive Innovations Journal Vol. 2 No. 1 (2026): September (Article In Press)
Publisher : Department of Automotive Engineering Technolgy

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Abstract

Emisi gas buang mesin diesel mengandung partikel jelaga diesel yang berbahaya bagi kesehatan dan lingkungan, sehingga diperlukan teknologi filtrasi yang mampu menahan partikel sebelum dilepaskan ke atmosfer. Penelitian ini bertujuan untuk merancang dan menganalisis proses pembuatan Diesel Particulate Filter ceramic berbentuk silindris dari bahan ceramic padat dengan perforasi laser dan inner core stainless steel. Desain DPF ceramic memiliki panjang 400 mm, diameter luar 120 mm, ketebalan radial ceramic 20 mm, diameter lubang perforasi Ø0,50 mm, dan pitch antar pusat lubang 1,00 mm dengan pola staggered/triangular. Metode penelitian meliputi penyusunan spesifikasi desain, alur proses pembuatan, perhitungan luas area perforasi, jumlah lubang, waktu produksi, dan kapasitas produksi. Hasil perhitungan menunjukkan bahwa luas area perforasi sebesar 150.796 mm² dengan area efektif per lubang 0,866 mm², sehingga jumlah lubang yang dibutuhkan mencapai 174.130 lubang. Dengan asumsi waktu pembentukan satu lubang sebesar 0,5 detik, waktu proses perforasi laser adalah 24,18 jam. Total waktu produksi satu unit DPF ceramic mencapai 31,18 jam, sehingga kapasitas produksi diperoleh sebesar 0,032 unit/jam. Kapasitas ini lebih rendah dibandingkan desain mesh sebelumnya sebesar 0,125 unit/jam karena ceramic padat memerlukan proses pembentukan lubang satu per satu. Meskipun demikian, DPF ceramic memiliki potensi dari sisi ketahanan temperatur, kestabilan struktur, dan keterukuran pola perforasi.
Co-Authors Ach. Muhib Zainuri Agus Dani Ahmad Hailala Nur Aziz Ahmad Hanif Firdaus Aini Zuhra Binti Abdul Kadir Akhlis Rizza, Muhammad Alfarizi Al Azis AM Mufarrih Amrullah, Utsman Syah Andri Setiawan Anggit Murdani Bambang Irawan BAYU PRANOTO Cahyo Tri Waluyo Dadang Kurniawan Eko Yudiyanto Etik Puspitasari Febryan Candra Shakti Fica Aida Nadhifatul Aini Firman Dwiyanto Gumono Hangga Wicaksono Hari Rarindo Haris Puspito Buwono Lailatus Sa'diyah Yuniar Arifianti Lisa Agustriana M Rio Alfi Sya'bana Maskuri Maskuri Mochammad Muzaki Muhammad Mahdi Muhammad Naufal Abiyyi Hutagalung Muzaki, Mochamad Nanang Qosim Nugroho, Pipit Wahyu Nurchajat Nurhadi - Pondi Udianto Purwoko R.N. Akhsanu Takwim, R.N. Akhsanu R.N. Akhsanu Takwin Radhi Nurvian Amrullah Rico Wahyu Pratama Santoso Santoso Santoso Sarjiyana Subagiyo Subagiyo Sudarmadji Sudirman Rizki Ariyanto Ariyanto Tri Setyo Aji Cahyono Vinan Viyus WARJU Wirawan Zakiyah Amalia Zakki Fuadi Emzain