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Jurnal Ilmu Ekonomi, Pendidikan dan Teknik (IDENTIK)
Published by CV. Sinar Howuhowu
ISSN : -     EISSN : 3063864X     DOI : https://doi.org/10.70134/identik
Jurnal Ilmu Ekonomi, Pendidikan dan Teknik (IDENTIK) ini menerbitkan artikel penelitian dalam bidang Ilmu Ekonomi, Sejarah Ekonomi, Ekonomi Terapan, Bisnis dan Keuangan, Ekonomi Lingkungan dan Ekologi, Ekonomi Islam, Ekonomi Kesehatan, Ekonomi Fiskal, Ekonomi Moneter, Ekonomi Politik, Akuntansi, Pendidikan Bahasa Indonesia, Pendidikan Bahasa Inggris, Pendidikan Kewarganegaraan, Pendidikan Guru Sekolah Dasar, Pendidikan Matematika, Pendidikan Ekonomi, Pendidikan Biologi, Pendidikan Agama, Pendidikan Sejarah, Pendidikan Teknik Bangunan, Pendidikan Bimbingan Konseling, Teknik Sipil, Teknik Elektro, Teknik Informatika, Teknik Kerajinan, Arsitektur , Teknik Industri, Teknik Mesin, Pendidikan Teknik, serta bidang Ekonomi, Pendidikan, Teknik, terkait lainnya.
Arjuna Subject : Umum - Umum
Articles 202 Documents
Pengembangan Mesin Pengupas Biji Kopi Basah Skala Rumah Tangga Dengan Pemisahan Biji Terkupas Dan Tidak Terkupas Berdasarkan Ukuran Diameter Biji Kopi Affandi, Bagus Rizal; Wulandari, Diah
Jurnal Ilmu Ekonomi, Pendidikan dan Teknik Vol. 3 No. 1 (2026): IDENTIK - Januari
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/identik.v3i1.1278

Abstract

Wet coffee bean processing at the household-scale farmer level is still largely carried out manually, requiring considerable time and labor while producing non-uniform bean quality. The use of wet coffee bean hulling machines is expected to improve post-harvest processing efficiency; however, in practice, several problems are still encountered, particularly in the coffee bean separation system. This study aims to design, construct, and test the performance of a household-scale wet coffee bean hulling machine and to analyze the performance of the separation system between hulled and unhulled coffee beans.The research method used was Research and Development (R&D), which included the stages of design, fabrication, and performance testing. The machine was designed using a single-phase electric motor with a power rating of 1 HP, a pulley and V-belt transmission system, a friction-based hulling mechanism, and a perforated screen as the coffee bean separation medium. Performance testing was conducted using post-harvest wet coffee beans at a shaft rotational speed of 420 rpm. The observed parameters included the machine’s ability to perform the hulling process and the hulling process time.The test results show that the wet coffee bean hulling machine is capable of performing the hulling process at a shaft rotational speed of 420 rpm and operates stably during the testing process. The coffee bean separation system functions in accordance with the design principles and is able to support wet coffee bean processing at the household scale. Based on the test results and analysis, the developed wet coffee bean hulling machine can be used as a supporting tool for household-scale wet coffee processing and has the potential for further development to improve performance and the effectiveness of post-harvest coffee processing.                                            
Analisis Kekuatan Tarik Las Smaw Pada Pipa Carbon Steel A106 Grade B Mahendra, Genta Arya Rahma; Ibad, Muhamad Nahrudin; Wulandari, Diah
Jurnal Ilmu Ekonomi, Pendidikan dan Teknik Vol. 3 No. 1 (2026): IDENTIK - Januari
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/identik.v3i1.1280

Abstract

The purpose of this study is to analyze the welding strength, specifically the SMAW (Shielded Metal Arc Welding) method, on ASTM A106 grade B carbon steel pipes. These pipes are commonly used in the oil and gas industry, making it important to understand the mechanical properties that occur after the welding process. Tensile testing was conducted on specimens taken from welded pipe joints, using SMAW as the welding method parameter. The results of the test indicate that the welding method significantly influences tensile strength, elongation, and other mechanical properties. This study found that maximum strength is achieved at certain parameters, highlighting the importance of control in the welding process to ensure joint quality. In addition, microscopic analysis of the microstructure shows that the composition and phase characteristics of the weld affect joint strength. The findings of this research are expected to provide guidance for industry in improving welding quality and the durability of carbon steel pipe joints, as well as serve as a reference for further studies in developing more efficient and effective welding techniques.