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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Rekayasa Mesin Jurnal Pengabdian UntukMu NegeRI Jurnal Pemberdayaan Masyarakat Madani (JPMM) Dinamisia: Jurnal Pengabdian Kepada Masyarakat Journal TEPAT: Teknologi Terapan untuk Pengabdian Masyarakat Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) Proksima BATOBO: Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian Kompetitif Prosiding SNTTM
Anita Susilawati
Universitas Riau
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Design for Manufacture and Assembly (DFMA) Analysis of a Finger Protection Device for Safer Household Nail Hammering Akbar Anggriawan; Dodi Sofyan Arief; Anita Susilawati
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 70 No 2 (2026): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v70i2.637

Abstract

This study evaluates a finger protection device for safer household nail-hammering using the Design for Manufacture and Assembly (DFMA) method. The device was developed as a personal protective device to reduce the risk of finger injuries caused by accidental hammer impacts and unstable nail positioning. The methodology comprised problem identification, literature review, Computer-Aided Design (CAD), manufacturing process analysis, and DFMA-based assembly evaluation using the Boothroyd-Dewhurst method. The device consists of five main components: Finger Protector 1, Finger Protector 2, Shaft, Holder 1, and Holder 2. Manufacturing processes included turning and drilling operations. The results show that the total manufacturing and assembly time was 2,983.33 s for stainless steel and 3,048.33 s for carbon steel, while the assembly time was 24.33 s with a design efficiency of 62%. Structural simulation using the von Mises criterion resulted in a maximum equivalent stress of 2.5 MPa and a safety factor of at least 15 for both materials. The safety factor was evaluated by comparing the material strength limit with the maximum equivalent stress under the applied loading condition, with a safety factor greater than unity indicating that the calculated stress remains below the selected material strength limit. These results indicate that the proposed device provides adequate structural strength, which maintaining effective manufacturing and assembly characteristics for household nail hammering applications.
Co-Authors Achmad Noerkhaerin Putra Agus Sutanto Akbar Anggriawan Andi Putra Anggraini Dwi Saputri Anggriawan, Akbar Annisa Wulan Sari Annisa Wulan Sari Anuar, Kaspul Ari Andriyas Puji Aria, Dedek Asral, Asral Atmadio, Nico Aulia Ramadhan Awaludin Martin Bambang Nofri Barib Bramawira Brian Agung Cahyo P. Calvin Aidil Febri Cupu, Dedi Rosa Putra Dedy Masnur, Dedy Dhimas Budhi Pratama Dinni Agustina Dinni Agustina Dodi Sofyan Arief Efrizal Saputra Eka Setia Wahyudi Ervan Kurniawan Evander Simanjuntak Fatiya, Fatiya Fauzul Hamdi Siregar Feblil Huda Ginting, Yogie Rinaldy Hanif Nugroho Aji Heri Saputra Heri Siswanto Herisiswanto Herisiswanto Herisiswanto Herisiswanto Ihsan, Yaser Iskandar, Anwar Ismet Hari Mulyadi Jheri Hermanto Keno Widodo M Dalil Mintarto . Muftil Badri Muhammad Ardi Muhammad Ikhlas Muhammad Nur Iksan Muhammad Razak Tuara MUHAMMAD REZA FAHLEVI Muhammad Sholihin Muhammed Sarwar Mustafa, Rolandi N. Nazaruddin N. Nazaruddin Nico Atmadio Novaldi Andryoga Novri Yunus Nur Iksan Agusti Nurjaman, Jajang Prasetyo, Brian Agung Cahyo Putra, Ivan Fadillah Putri Nawang Sari Putri Nawangsari Rahmat Iman Mainil Rahmatsyah Maksum Ramsi Ramadhan, Aulia Ramadhani, Hafiz Randa, Nofri Reihan Fahrezi Ridwan Abdurrahman Rio Agus Saputra Risyandi, Danul Riyandi Al Isral.Z Romy Romy Romy Romy Romy Roni, Guido Rudiansyah Rudiansyah Samuel Putra Tambunan Saputra, Efrizal Saputri, Anggraini Dwi Selera Sitepu Simaskot, Johar Siregar, Erikson Sukemi Indra Saputra Sunny Ineza Putri Syafri Syafri Syafri Syafri, Syafri Tan, John Toni Darji Toni Darji Warman Fatra, Warman Wasilah Yohanes Yohanes Yohanes Yohanes Yohanes Yohanes Yohanes Yohanes Yohanes Yunus Pardosi