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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
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 Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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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

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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.
Co-Authors Agus Dani Ahmad Hailala Nur Aziz Ahmad Hanif Firdaus Akhlis Rizza, Muhammad Alfarizi Al Azis AM Mufarrih Amrullah, Utsman Syah Andri Setiawan Bambang Irawan BAYU PRANOTO Eko Yudiyanto Etik Puspitasari Gumono Hangga Wicaksono Hari Rarindo Haris Puspito Buwono Lisa Agustriana Maskuri Maskuri Mochammad Muzaki Muhammad Mahdi Nanang Qosim Nugroho, Pipit Wahyu Nurchajat Pondi Udianto R.N. Akhsanu Takwin Santoso Sarjiyana Subagiyo Subagiyo Sudarmadji Vinan Viyus Wirawan Zakki Fuadi Emzain