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All Journal Rekayasa Mesin INVOTEK: Jurnal Inovasi Vokasional dan Teknologi JTT (Jurnal Teknologi Terapan) Journal of Engineering and Scientific Research (JESR) International Journal of Applied Technology Research METAL : Jurnal Sistem Mekanik dan Termal Industrial Research Workshop and National Seminar
Agus Sifa
Politeknik Negeri Indramayu
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation Other

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Design and Build Low-Cost Power Hammer Machine Based on Throttle Stomp Agus Sifa; Tito Endramawan; Dedi Suwandi; Ibnu Farhan; Rivay Febrio Maulana
invotek Vol 22 No 3 (2022): INVOTEK: Jurnal Inovasi Vokasional dan Teknologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/invotek.v22i3.1065

Abstract

Metal forming uses plastic deformation to change the shape of the workpiece. Deformation or change in shape results from the use of a tool which is usually called a die. The die provides stresses that exceed the yield strength of the material (plastic). The forging process is one of several types of metal forming. A power hammer machine is a machine used for the formation of a product in the manufacturing process, namely with a system of continuous forging/pressure on the specimen so that the deformed specimen becomes denser and stronger according to the desired shape. The forging process is superior to other processes such as casting and machining. The effectiveness of the forging process is characterized by low costs, high productivity, and high product quality. The cold forging process needs to be improved to reduce the occurrence of fine cracks and defects. The main factor is the quality of forging results by planning the design and production of the right die, improving product quality, and reducing the number of defective products to encourage industrial competitiveness. The method in this research is the process of making the design and calculation of the main components and making the power hammer machine. The results of the design and manufacture of the power hammer machine obtained that the impact force from the design was 58.3 Kg, the rotation of the drive shaft to drive the hammer was 206.5 Rpm, the diameter of the driving shaft was 12.36 mm with the one made of 16 mm, the torque on the driving motor was 77.9 Nm, the minimum power designed is 2.2 hp with a rotation of 2800 Rpm, and is selected for the manufacture of 3 Hp, the electrical system is on / off using a throttle stomp.
PENGARUH ARUS DAN WAKTU PADA MICRO RESISTANCE SPOT WELDING TERHADAP BAJA AISI 304 DAN ALUMINIUM PADUAN Agus Sifa; Mohamad Adib Ichwan; Tito Endramawan
Jurnal Rekayasa Mesin Vol. 14 No. 1 (2023)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v14i1.1100

Abstract

Welding is often used in industry as a joining technique, one of which is Micro Resistance Spot Welding (MRSW). MRSW was carried out to know the maximum load and shear stress produced on separate worksheets using AISI 304 and aluminum alloys and then connected using a lap joint. This study uses weld current, weld time, and emphasis on the electrodes. In this, welding is done constantly and does not use cooling. The currents used in welding are 140, 280, and 420 A, then varied with the welding time of 24 ms, 34 ms, and 44 ms and combined with a pressure of 1.3 bar. After welding, the welding results are tested using tensile tests and weldability tests. The results of the study were taken with the highest maximum load on a differentiated worksheet. The highest maximum load is generated at the connection of AISI 304 with AISI 304. In contrast to the connection using aluminum alloys, the resulting load will decrease.
Co-Authors A. Sumarudin Alam Aulia Rachman Badruzaman Badruzaman Badruzzaman B Badruzzaman Badruzzaman Caripan Caripan Dedi Suwandi Delffika Canra Didi Wahyudi Emin Haris Fitriani Fitriani Ibnu Farhan Ikbal Dwi Pangga Imam Nur Arif Indrawan Nurahman Kurniawan B. N M. Galang Adi Prayoga Mahrul Mahrul Maula Zia Al-fath Meri Rahmi Mohamad Adib Ichwan Muhamad Yoman Abdurohman Afdloil Rachmatullah - Rivay Febrio Maulana T Endramawan Tito Hendrawan