cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
Unggul Satria Jati
Contact Email
unggulsatriajati@gmail.com
Phone
+62282-533329
Journal Mail Official
accurate.ejournal@pnc.ac.id
Editorial Address
Department of Mechanichal Engineering Politeknik Negeri Cilacap Jln. Dr.Soetomo No.01 Sidakaya, Cilacap, Indonesia Telp: (0282) 533329
Location
Kab. cilacap,
Jawa tengah
INDONESIA
Accurate: Journal of Mechanical Engineering and Science
Published by Politeknik Negeri Cilacap
ISSN : 27224279     EISSN : 27225089     DOI : https://doi.org/10.35970
Core Subject : Science, Engineering,
Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Accurate: Journal of Mechanical Engineering and Science is a peer-reviewed open-access journal with e-ISSN 2722-5089 and p-ISSN: 2722-4279 published by Pusat Penelitian dan Pengabdian Masyarakat (P3M) Politeknik Negeri Cilacap. The journal invites scientists and engineers to exchange and disseminate theoretical and practice-oriented in the various topics include, but not limited to mechanical Engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 5 Documents
 1 
Search results for , issue "Vol. 3 No. 2 (2022): October 2022" : 5 Documents clear
Analisa Variasi Putaran Friction Welding Terhadap Kekerasan Logam Aluminium Paduan Seri 1100-H18 Daryono; Dwi Handoko; Topan Prihantono; Ady Setiawan
Accurate: Journal of Mechanical Engineering and Science Vol. 3 No. 2 (2022): October 2022
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v3i2.1494

Abstract

Research in aluminum splicing continues to be improved, so that the joining process becomes easier and to increase hardness. Friction stir welding (FSW) aluminum joining process. The purpose of this study was to find out more clearly about the mechanical properties of the hardness of the specimen. The material used is aluminum alloy 1100-H18 series. The research method is friction welding with Vertical Milling as a turning tool. The tests were carried out in different rounds, namely; 660 rpm; 1115 rpm; 1750 rpm and 2720 rpm with a fixed tool feed rate of 20 mm/minute. The results of the Vickers test show that the hardness of the Base Metal (BM) area at 660 rpm is the highest at 101.4 and the lowest is 97.62 at 1115 rpm. The highest average hardness value of 94.98 occurs at 1115 rpm and the lowest is 75.18 at 2720 rpm. A significant effect on the hardness of the specimen due to the rotational speed of the tool spindle (electrode), the higher the rotation, the higher the heat generated and the rate of The slow cooling in the HAZ and SZ regions will be greater, as a result the hardness in the HAZ and SZ regions will decrease.
Rancang Bangun Mesin Uji Bending Untuk Material Komposit Fikri Adi Kusuma; Fendi Tri Hartono; Ipung Kurniawan; Roy Aries Permana Tarigan
Accurate: Journal of Mechanical Engineering and Science Vol. 3 No. 2 (2022): October 2022
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v3i2.1516

Abstract

The bending test machine for composite materials is a machine designed as material testing tool, especially composite materials. The objectives achieved are to design and manufacture a bending test machine as well as to test the composite material of epoxy resin and sugarcane powder based on the ratio of weight fractions. The machine design method uses the VDI 2222 method approach. From the method carried out, the results obtained from the design of the bending test machine using Solidwoks 2017. The design results of the bending test machine with dimensions of length 500 mm, width 500 mm, and height 1.400 mm, which consists of several main components including: frame; suppression system; and supports. The estimated time of the bending test machine production process takes 51,69 hours or 7 days. The results of the composite material test resulted in the bending strength of the 100% resin weight fraction of 67,71 Mpa and the 50% sugarcane powder weight fraction of 33,74 Mpa.
Perancangan Sepeda Listrik Semoli Untuk Beban 80 Kg Bayu Aji Girawan; Nur Akhlis Sarihidaya Laksana; Dian Prabowo
Accurate: Journal of Mechanical Engineering and Science Vol. 3 No. 2 (2022): October 2022
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v3i2.1556

Abstract

Electric bike is environmentally friendly vehicle because it doesn’t cause air pollution and it can uses electric from renewable energy sources to charge battery. Here is a lot of studies about electric bike in Indonesa, but only a few topic about electric bike for uphill climbing. In this study, electric bike will be designed for a load of 80 kgs to overcomes the uphill road at 21° of elevation. The design process contains activity such as calculation and selection of electric motor, drafting and manfacturing the frame, and riding test on flat road and uphill road at 21° of elevation. The results of design, electric bike uses 2000 watt BLDC motor, 48V 20Ah of battery, 13 teeth at front sprocket and 48 teeth of rear sprocket. From the riding test results, the bike’s maximum speed is 35 km/h reached on 5 seconds on flat road. While on uphill road with elevation of 21°, the bike’s maximum speed is 10 km/h reached on 10 seconds. The conclusion from this study that the electric bike are able to meet the needs to overcome uphill road.
Pengaruh Suhu Pre-Heat Friction Welding Terhadap Sifat Mekanis dan Morfologi Baja AISI 201 warso; Sutarno; Rivkih amanulloh; Azis satria firmansyah
Accurate: Journal of Mechanical Engineering and Science Vol. 3 No. 2 (2022): October 2022
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v3i2.1748

Abstract

This study aims to determine the mechanical and morphological properties of AISI 201 Steel Material. The forging pressure is 80 Psi using a rotating speed of 5600 Rpm and the preheat temperature used is 4000C, 5000C, 6000C. The method in this research is descriptive method. The test results produce an average tensile stress of 4000C preheat temperature variation of 523.1 N/mm2, 5000C preheat variation of 534.3 N/mm2, 6000C preheat variation of 566.6 N/mm2, and raw material of 696.35 N/mm2. For this reason, the largest average tensile stress in this variation of raw material is 696.35 N/mm² and from the data results obtained the average tensile strain of 4000C preheat variation is 10.83%, 5000C preheat variation is 11.05%, 6000C preheat variation is 11.73%, and raw materials 23.14%. The average bending stress of the 4000C preheat temperature variation is 21.85N/mm2, the 5000C preheat variation is 52.31 N/mm2, the 6000C preheat variation is 53.38 N/mm2, and the raw material is 117.71N/mm2. The results of the largest average tensile stress in this variation of raw material are 117.71N/mm², in the hardness test a value of 294.7 VHN is obtained and the SEM test on the specimen is the best in the HAZ area which is enlarged 5000x, 200x, and 100x, it can be seen that in the The friction welding penetration welding HAZ is completely filled with no weld defects.
Analisis Perbandingan Kinerja Refrigeran R134a dan MC-22 pada AC Split Mastur; Nana Supriyana; Warso; Sutarno
Accurate: Journal of Mechanical Engineering and Science Vol. 3 No. 2 (2022): October 2022
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v3i2.1754

Abstract

AC (Air Conditioner) is one of the cooling machines, whose use is currently increasing. One important component that helps cooling the AC (Air Conditioner) is the refrigerant. Refrigerant is a kind of material or substance in the form of liquid and gas which is usually flowed in the refrigeration machine installation. The purpose of this study was to determine the performance (COP), electrical energy consumption, and cooling rate from the use of refrigerants R134a and MC-22. The independent variables in this research are refrigerant R134a and refrigerant MC-22. The dependent variable in this study is COP (Coefficient of Performance), electrical energy consumption, and cooling rate. The control variable in this study was using time variations. The research material is refrigerant R134a and MC-22 The results of this study showed that R134a refrigerant has a better COP value than MC-22 refrigerant, where the COP value at 60 minutes for R134a refrigerant is 8.6 while for MC-22 refrigerant is 8.0. At 60 minutes the use of refrigerant R134a, the electrical energy used is 385.00 W.h. Meanwhile, 60 minutes of the use of refrigerant MC-22, the electrical energy used is 455.40 W.h.

Page 1 of 1 | Total Record : 5

 1 

Filter by Year

2022 2022


Reset
Filter By Issues
All Issue Vol. 6 No. 1 (2025): April 2025 Vol. 5 No. 2 (2024): October 2024 Vol. 5 No. 1 (2024): April 2024 Vol. 4 No. 02 (2023): October 2023 Vol. 4 No. 1 (2023): April 2023 Vol. 3 No. 2 (2022): October 2022 Vol. 3 No. 1 (2022): April 2022 Vol 3, No 1 (2022): April 2022 Vol. 2 No. 2 (2021): October 2021 Vol 2, No 2 (2021): October 2021 Vol. 2 No. 1 (2021): April 2021 Vol. 1 No. 2 (2020): October 2020 Vol 1, No 1 (2020): April, 2020 Vol. 1 No. 1 (2020): April, 2020 More Issue