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Nurul Ulfah
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Religion Aerospace Engineering Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Public Health Social Sciences

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Journal : Jurnal Teknologi dan Riset Terapan (JATRA)

 1 
Pengaruh Kedalaman Ulir Terhadap Kekuatan Tarik Benda Pada Produk Threaded Bush Secara Aktual Rachenja Harunni Nelvis; Ihsan Saputra; Nurul Ulfah
Jurnal Teknologi dan Riset Terapan (JATRA) Vol 4 No 1 (2022): Jurnal Teknologi dan Riset Terapan (JATRA) - June 2022
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jatra.v4i1.3661

Abstract

One of the tests that are often carried out in the industrial world is the tensile test. Tensile test is the methods used to test and determine the strength of material by applying a load/force to the product used and placed on an axis in the opposite direction. This test uses a threaded bush product, which has an outer diameter of 6,94 mm, a length of 44 mm, using a M5 × 0.8 tap using 316 L Stainless Steel material. The product has a difference size in the depth of the thread length produced by the CNC machine, this is due to the instability of the machine used, resulting in varying thread lengths. The length of the thread is, with average minimum of 8,40 mm and maximum ranging from 14,40 to 18,40 mm. The purpose of this research is to determine the (Tensile Strength) and the resulting maximum load. In this test, two groups were used, the control group and the experimental group. The product without thread as the control group, and the product with variations in depth as the experimental group. From the tests carried out, the results showed that the product without thread had the highest load and tensile strength, 1,570 kg and 0.4153 kN/mm2. While in the experimental group, the product sizes 8.40 and 14.40 had the maximum load and the highest tensile strength of 1,558 kg and 0.4121 kN/mm2. While the product sizes 18.40 and 14.40 have the lowest load and tensile strength, 1,538 kg and 0.4067 kN/mm2.
Inspeksi Hasil Sambungan Pengelasan SMAW pada Pembuatan Frame Acid Skid dengan Metode Liquid Penetrant Testing Parlin Jhony Haposan Siagian; Nurul Laili Arifin; Nurul Ulfah; Hanifah Widiastuti
Jurnal Teknologi dan Riset Terapan (JATRA) Vol 4 No 1 (2022): Jurnal Teknologi dan Riset Terapan (JATRA) - June 2022
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jatra.v4i1.4014

Abstract

In this era of globalisation, many industrial companies have been built, especially in the chemical field. Chemical industry companies need a tank to store chemicals production result with a framework design that is nice and strong and can be moved easily. The material used is the type of carbon steel (S275JR) using the SMAW welding process at 6G welding position with intermediate currents in 59 A-134A. The type of joint for the frame is butt-joint, fillet joint and lap joint. In order to guarantee the quality of the welding results, the material will be tested in Non-Destructive Testing with the Inspection method using liquid penetrant, the penetrant method is solvent removable with visible sensitivity at a light level intensity of 1000 lux. The welding results are determined based on acceptance criteria in AWS with ASME as a critical reference. If there no defects or discontinuities like liniear and rounded were found in section of pad eye and base frame, then all welding results will be accepted.
Co-Authors Ade Afrillia Nurhaliz Aulia Fajrin Ayivani Maharani Budi Baharudin Domi Kamsyah Fitri Hanifah Widiastuti Ihsan Saputra James Siregar Mufti Fathonah Muvariz Muhammad Ismail Nidia Yuniarsih Nugroho Pratomo Ariyanto Nukman Nur Fitria Pujo Leksonowati Nuri Aslami Nurman Pamungkas Nurul Laili Arifin Oman Farhurohman Parlin Jhony Haposan Siagian Rachenja Harunni Nelvis Sapto Wiratno Satoto Ulvia Muallivasari Wahyu Hidayat Widodo Widodo Zaini Ibrahim