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All Journal Mechanical Engineering for Society and Industry Engineering and Technology International Journal (EATIJ)
Ulhakim, Muhamad Taufik
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Evaluation of Science Implementation in Mechanical Engineering Design Curriculum Class 2A State Polytechnic of Jakarta Pekalongan City Campus Academic Year 2023/2024 Dewadi, Fathan Mubina; Supriyadi, Supriyadi; Sulaiman, Abel Raffi Putra; Ulhakim, Muhamad Taufik
Engineering and Technology International Journal Vol 6 No 02 (2024): Engineering and Technology International Journal (EATIJ)
Publisher : YCMM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55642/eatij.v6i02.730

Abstract

The influence of science in mechanical engineering design is very significant. Science provides a foundation of in-depth knowledge of the principles of physics, mathematics, and chemistry that are used to design efficient and innovative machines. The method used is a quantitative method with descriptive statistics. This method is an approach to research that focuses on data collection and data analysis based on numbers or quantities. From the method presented, it can be concluded that this method can make it easier to make better decisions based on structured numerical information. The results of this research refer to 3 parameters, namely kurtosis value, maximum value and minimum value. several other parameters are also displayed such as mean value, standard error, median, mode, standard deviation, sample variance, skewness, range, sum and count. It can be concluded from this study that the data does not have a normal distribution because the kurtosis number is not 0. Based on the data descriptive statistics, the maximum valuein this study is 31, the minimum value in this study is 20.
The Square cup deep drawing: Technology transfer from experts to increase production in small and medium enterprise (SME) groups Karyadi, Karyadi; Sukarman, Sukarman; Mulyadi, Dodi; Ulhakim, Muhamad Taufik; Fazrin, Nazar; Irfani, Tomas; Rahdiana, Nana; Hakim, Afif; Nurdin, Alizar; Mucharrom, Fajar
Mechanical Engineering for Society and Industry Vol 4 No 1 (2024)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.10298

Abstract

The deep drawing is a complex steel forming method involving blank dimensions, dimension/height ratio (D/H ratio), and clearance between die and punch (D/P allowance). Failure to identify proper blank dimensions and D/H ratio can lead to production defects such as tears, while failure to recognize the correct clearance can cause wrinkles. This article discusses technology dissemination to Small and medium-sized enterprises (SMEs) for the deep drawing process in producing R-ornament components #3D40x40, considering these crucial parameters. R-ornament #3D40x40 was manufactured using SPCC-SD material with a thickness of 0.65 mm. The Participatory Action Research (PAR) method was employed to collaboratively optimize blank dimensions, D/H ratio, and dies/punch (D/P) allowance with partners. The optimization of blank dimensions successfully eliminated the need for the trimming process, resulting in reduced investment costs in dies and die setup by IDR 15 million and 2.16 million, respectively. Identifying a D/H ratio of 1.32 successfully eliminated tear defects and determining a D/P allowance of 0.87 mm on each side eradicated wrinkle defects in the product. This article contributes to Goal 9 of the Sustainable Development Goals (SDGs), specifically focusing on the Small and Medium-sized Enterprises (SMEs) sector.
Co-Authors Afif Hakim Dodi Mulyadi Fathan Mubina Dewadi Fazrin, Nazar Irfani, Tomas Karyadi Karyadi Mucharrom, Fajar Nurdin, Alizar Rahdiana, Nana Sukarman Sukarman Sulaiman, Abel Raffi Putra Supriyadi Supriyadi