Arifiansah, Arifiansah
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ANALISA WELD DEFECT PENGELASAN SMAW PADA PROSES FABRIKASI TANGKI AIR DENGAN MENGGUNAKAN MATERIAL BAJA 36 Azis Mubarok, Muhammad; Hermawan, Dudung; Arifiansah, Arifiansah
Metrik Serial Humaniora dan Sains Vol. 5 No. 1 (2024): April 2024
Publisher : Konsorsium Cendekiawan Indonesia

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Abstract

Dari pengamatan pada perusahaan PT.X dibidang kontruksi pembuatan tangki saat ini sedang terjadiweld defect(kasus cacat pengelasan). Berupa undercut dan porositypada plate konstruksi baja baik itu terjadi di badan tangki maupun pada penopang badan tangki. Tujuan dari penelitian ini adalah untuk meneliti penyebab munculnya weld defect pada hasil pengelasan tangki, serta memberikan solusi perbaikan. Penelitian ini dapat dilakukan dengan menganalisa bentuk hasil pengelasan, kemudian memperdalam analisa dengan melakukan pengujian berupa pengujian penetran test, magnetic particle test, yaitu pengujian yang digunakan untuk mengetahui potensi cacat pengelasan SMAW. Pada penelitian adalah pengelasan yang digunakan las SMAW adalah proses penyambungan logam yang menggunakan energi panas untuk mencairkan benda kerja dan elektroda. Penentuan besar arus yang digunakan 60A, 100A, 140A. Penentuan arus tersebut digunakan untuk perbandingan untuk menentukan arus yang baik digunakan. Setelah dilakukan pengujian dengan penetrant test dan magnetic particle test pada hasil pengelasan SMAW 1G pada spesimen arus 60A ditemukan indikasi kecacatan pengelasan sehingga dinyatan reject. Pada spesimen 2 arus 100A tidak ditemukan indikasi kecacatan pengelasan sehingga dinyatakan accepted. Pada spesimen 3 arus 140A terdapat indikasi kecacatan pengelasan sehingga dinyatakan reject.Hasil penelitian ini diharapkan dapat memberikan informasi yang lengkap tentang penyebab munculnya weld defect dan sekaligus dapat ditentukan langkah antisipasi yang baik dalam upaya pencegahannya.
Optimization Of Handcycle Design And Engineering Using The VDI 2221 Method Through An Anthropometric Approach For The Disabled Arifiansah, Arifiansah; Anwar, Sahrul
Jurnal Info Sains : Informatika dan Sains Vol. 14 No. 04 (2024): Informatika dan Sains , 2024
Publisher : SEAN Institute

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Abstract

People with disabilities are people who experience physical limitations either due to birth or accidents and so on, causing difficulty in walking and other activities. One of the obstacles for them is the existence of transportation to do work or just for daily mobility. And one solution to help people with disabilities in doing daily activities is a handcycle. Handcycle is driven by the arms, not the legs. Handcycle is generally used by people with disabilities who have limitations in using their legs. The research activity aims to produce a handcycle product that is friendly to people with disabilities with an anthropometric aspect approach where the bicycle can be moved either manually or electrically. The position of the seat and steering system can be adjusted according to needs. The seat arrangement (adjustable chair) and steering wheel arrangement (adjustable steering wheel) need to be planned in order to provide a sense of security and comfort to the user. The creation of this bicycle product design begins with identifying customer needs, designing a design concept, designing a shape, designing details and making the product. Where Product Design using the VDI 2221 method. A design method that uses a systematic approach to designing products and engineering systems. Through testing of handcycle products carried out by 2 people (users) with disabilities, it shows that users can adjust the distance of the body with the electric steering system and manual steering by adjusting the distance between the seat and steering wheel. The distance between the seat and the electric steering wheel is 726 - 838 (mm), the distance between the seat and manual steering wheel is 675 - 785 (mm), the height of the seat from the floor is 550 - 700 (mm) with a vehicle speed of 25 km/h if using an electric motor.
Development of A Handcycle for The Disabled Based on Alternative Materials and Sustainable Electricity Using The Vdi 2221 Method To Improve Ergonomics and Energy Efficiency Arifiansah, Arifiansah; Anwar, Syahrul; Maryadi, Maryadi; Sari, Mulyani Indah; Fauziah, Dita Anggun; Asyroflie, Farrel; Wijaya, Adje
Dinasti International Journal of Education Management And Social Science Vol. 7 No. 1 (2025): Dinasti International Journal of Education Management and Social Science (Octob
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijemss.v7i1.5560

Abstract

Handcycle is a transportation device in the form of a tricycle controlled by the rider’s arms through a chain and crank transmission. This research aims to design and develop a handcycle prototype for people with disabilities by applying the VDI 2221 systematic design method. The innovation focuses on using 6061 aluminum as the main frame, reducing weight by 46.6% compared to ST 37, and an ergonomic seat designed based on anthropometric data. To support mobility, the system integrates a 36 Volt/350 Watt a BLDC motor powered by a 36-volt, 10-Ah lithium-ion battery. This configuration theoretically enables a range of ±25–30 km per charge with a maximum speed of 45 km/h. A 300 WP solar panel is also employed as a renewable energy source, enhancing sustainability. The product development follows four main VDI 2221 stages: needs analysis, concept design, design development with CAD details, prototyping, and testing. The result is a handcycle prototype that combines ergonomics, efficiency, and eco-friendliness, offering a practical mobility solution for people with disabilities while promoting renewable energy utilization. This study demonstrates how lightweight materials and sustainable electrical systems can significantly improve assistive transportation technology.