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Jurnal Sains dan Teknologi
Published by Universitas Cenderawasih
ISSN : 29620236     EISSN : 2961936X     DOI : 10.58169
Core Subject : Engineering,
Electrical & Electronics Engineering
pada bidang Teknik Industri, Teknik Pertambangan, Teknik Lingkungan, Sistem Informasi, Sains dan Teknologi, Pendidikan serta Kejuruan dan Rekayasa
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 79 Documents
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Studi Kelayakan Proses Pengelasan Smaw Dan Fcaw Di Pt. Dok Jmi Semarang Dari Aspek Teknis Dan Ekonomis Sugeng Haryadi; Sunu Arsy Pratomo
Jurnal Sains dan Teknologi Vol. 2 No. 2 (2023): Desember : Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58169/saintek.v2i2.219

Abstract

The development of welding technology in this era took place rapidly, especially in the sector of new ship building and ship construction repair. Incorrect welding activities often cause delays which cause costs, time and consumables losses. In order to develop the speed and efficiency of the welding work, it is mandatory to determine a welding method that is suitable for the site conditions. This study provides a choice of three welding methods consisting of the SMAW and FCAW welding methods based on their strength and economic value. To strengthen the results of welding can be tested with a destructive test consisting of a tensile test, bending test and impact test. Next, the calculation of the welding cost per kg, welding speed per meter and electrode consumption is carried out to find out the difference in the economic value of all the welding materials. When tested, it was found that there was no difference in tensile strength between SMAW and FCAW. Welding method, maximum 1%, but SMAW welding method has 4% better yield strength than FCAW welding method. The ductility value of the FCAW welding method is 34% better than the SMAW welding method. The FCAW welding method has 67% better economic value when compared to the SMAW welding method. The FCAW welding method has a speed of 72% better than the SMAW welding method, and the FCAW welding method is 50% more efficient than the SMAW welding method.
Analisis Pengaruh Arus Dan Tegangan Pngelasan Smaw Terhadap Struktur Dan Sifat Baja Carbon Grade A Dan Grade B Mu'izzaddin Wa'addulloh; Purwanto Purwanto; Virgiawan Toti
Jurnal Sains dan Teknologi Vol. 2 No. 2 (2023): Desember : Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58169/saintek.v2i2.221

Abstract

In the world of the PLTU industry, the need for material, especially the need for the sapot process and conveyor repairs, occurs in the world of PLTU, which is installed on the conveyor construction and when connecting materials, different grades are often used and this often occurs in the field during the process of combining plates with different grades. on the sapote. and for installing the plate on the sappot, use grade A and the plate that is often used is the plate for the machine foundation with grade B on the sappot material using low carbon grade A steel. In this research report, welding is carried out and combined with grade A steel which is usually used for sappots. the conveyor is combined with low carbon grade B steel in the construction of the PLTU sapot. Where welding is carried out 3x why this needs to be done is because to know the characteristics of low carbon grade A steel and low carbon grade B steel, whether the characteristics are the same or not because they are used in When grade A steel material runs out in the industry, the testing process uses 3 tests, namely to determine NDT testing (Non Destructive, test), tensile testing, and micro testing for the testing process. (DonyPerdana and Ahmad Bazy Syarif, 2017).
Pengendalian Kualitas Dengan Menggunakan Metode Seven Tools Untuk Meningkatkan Produktivitas Di PT Jogjatex Wahyu Hadi Sutiyono; Annisa Fitria; Hilman Adiatma; Widya Setiafindari
Jurnal Sains dan Teknologi Vol. 2 No. 2 (2023): Desember : Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58169/saintek.v2i2.222

Abstract

This study aims to determine quality control at PT. JOGJATEX, find out the factors that cause product defects, find out what are the main problems that cause product damage. and provide solutions to reduce the level of product defects. PT JOGJATEX which is engaged in textile knitting. The method used in this study is the Seven Tool Seven tools method is a graphical method used to solve problems in the field of production, especially problems related to quality (Quality). These seven tools or seven basic tools were discovered and introduced for the first time by Kaoru Ishikawa in 1968 who was a figure of quality management innovation in Japan. The conclusion of this study is regarding the production defect report at the Jogjatex company. This product defect is affected by internal and external influences. These factors are basically influenced by several factors including temperature, human resources and machines. The solution taken to overcome the problem in this research is to design a room temperature detector, namely the DS18B20 Temperature Sensor.
Identifikasi Jenis Mineral Industri Dengan Xrd Pada Sampel Batupasir Formasi Ekmai, Distrik Ertsberg, Kabupaten Mimika, Provinsi Papua Tengah Endang Hartiningsih
Jurnal Sains dan Teknologi Vol. 2 No. 2 (2023): Desember : Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58169/saintek.v2i2.208

Abstract

The sandstones of the Ekmai Formation are composed of various minerals, both metal and non-metallic minerals, especially industrial minerals. This study aims to identify the types of industrial minerals within the sandstones using XRD analysis. The main mineral identified is quartz. Other minerals groups are carbonates, clay, garnet, feldspar, amphibole, chlorite, epidote, and olivine.
Perhitungan Sumberdaya Batugamping Di Dusun Gudang Garam Arso 4 Distrik Skanto Kabupaten Keerom Djuardrensi Patabang; Wika Matana Nion; Bevie M Nahumury
Jurnal Sains dan Teknologi Vol. 2 No. 2 (2023): Desember : Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58169/saintek.v2i2.243

Abstract

Keerom Regency is one of the areas that has the potential for Batugamping mineral resources which is quite potential, this is evidenced by the existence of several mining business actors who are carrying out mining activities in the area. Based on the geological map of the Jayapura sheet (Taritatu Sheet) the distribution of limestone potential is quite evenly distributed in the Keerom Regency area. The distribution of limestone potential in Keerom Regency is spread in the Arso 1, Arso 4, Arso 10, Arso 13 areas to Senggi. Based on the results of the initial survey, mining activities in Keerom Regency have not been managed properly, because some mining sites have carried out mining activities but do not yet have legality, namely a mining permit (SIP), do not have a good and correct mine processing plan based on the mining stages, there are still locations where limestone is not yet known distribution, volume and even the amount of resources and reserves. The potential for limestone is a good investment opportunity if it is developed into a community mine that can provide added value to the community. Therefore, it is necessary to have geological mapping activities and also the calculation of resource values. In this case, it concerns the quantity and quality of deposits to be able to provide information as a mineral database for the community as land owners and is also very useful for the Keerom Regency government. This research aims to determine the amount of limestone volume which can later be used as data base information during mining activities. The research also utilized the Surfer 11 application for the creation of topographic maps and to calculate the number of limestone volumes. The research method that will be carried out is the Cross Section Method which is a special method for types of rock minerals.
Analisis Pemborosan Waktu Pelayanan Dengan Metode Lean Healthcare Dan Failure Mode And Effects Analysis Di RSUD Dr. Soetomo Surabaya Anthony Surya Wirawan; Dwi Sukma Donoriyanto
Jurnal Sains dan Teknologi Vol. 2 No. 2 (2023): Desember : Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58169/saintek.v2i2.244

Abstract

Dr. Hospital Soetomo Surabaya with minimum service standard data that must be met is customer satisfaction ≥ 90% and waiting time ≤ 60 minutes in accordance with Ministry of Health (Kemenkes) decree no. 129 of 2008. Therefore, the problems faced by the Outpatient Institution Children's Polyclinic include service time Administration takes too long and quality must be improved. The most critical slowness of services at the Children's Polyclinic is in the registration administration section, namely the number of double registrations, disruptions in facilities and nurses who are still lacking in discipline. Applying Lean Healthcare and Failure Mode and Effects Analysis to improve service quality and prevent failures, such as slow service and lack of facilities will help find recommendations for improving these problems, namely reducing double registration of patients by improving data management and registration, repairing and improving maintenance of computer facilities for reducing waiting time due to disturbances and tightening discipline according to SOP.
Analisis Pemanfaatan Artificial Intelligence Dalam Membantu Proses Perekrutan Karyawan Perusahaan Christian Iwan; Christvaldo Kurnia Putra; Dianeluoxy Zabdi; Elson Ivan Boy; Monica Agustina Chandra; Lifia Yola Febrianti
Jurnal Sains dan Teknologi Vol. 2 No. 2 (2023): Desember : Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58169/saintek.v2i2.248

Abstract

This article delves deep into the role of Artificial Intelligence (AI) in assisting human resources professionals in the recruitment and selection process. AI is a result of the emergence of machine learning, which can mimic human thought patterns and working mechanisms. AI, or artificial intelligence, has been applied in various fields, including quality control in manufacturing, the entertainment industry, autonomous vehicles, and is increasingly making inroads into the realm of recruitment. With the support of algorithms, AI plays a vital role in helping HR professionals filter applicant portfolios, fundamentally transforming the traditional recruitment process. Through a comprehensive analysis drawing from various literature sources, this article seeks to uncover the wide-ranging changes and profound impacts brought by AI into the world of recruitment. The conclusion drawn from this exploration is that AI has the potential to expedite the acquisition of high-quality applicants more efficiently and cost-effectively while also reducing subjectivity in human assessments. However, this transformation is not without concerns about ethics and data security, which require careful consideration.
Pengembangan Fitur FIT Sebagai Teknologi Pengukur Pakaian Di E-Commerce Angel Rich Faustine Winata; Elvinson Wijaya; Iven Marchellia; Kevin Tan; Yehezkiel Michael Sutara; Lifia Yola Febrianti
Jurnal Sains dan Teknologi Vol. 2 No. 2 (2023): Desember : Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58169/saintek.v2i2.249

Abstract

This research aims to develop the design of the FIT feature. FIT is a feature integrated into e-commerce that is designed to provide accurate clothing sizes according to user needs. This feature is designed with the aim of reducing problems that occur when shopping for clothes online, such as sizing errors. This research method uses the Research and Development (R&D) method with the Thiagarajan model. Even so, this research only reached the design stage. The results of this research present the design of the FIT feature which is based on artificial intelligence and augmented reality technology to simulate real clothes purchased by users
Analisis Perbandingan Google Home Dan Amazon Alexa Pada Rumah Pintar (Smart Home) Gera Nugraha; Fernando Juliansyah; Farhan Firdaus; Didik Aribowo
Jurnal Sains dan Teknologi Vol. 2 No. 2 (2023): Desember : Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58169/saintek.v2i2.250

Abstract

This analysis will help Smart Home users to understand the advantages, disadvantages, and significant differences between these two platforms. With this more in-depth information, users will be able to make smarter decisions in choosing the platform that best suits their needs and preferences in managing their Smart Home.
Estimasi Biaya Alat Muat Dan Angkut Penambangan Quarry Batu Andesit PT Putra Elan Balindo Pada Kota Palu Sulawesi Tengah Indri Tenri Datu; Henny Magdalena; Windhu Nugroho; Lucia Litha Respati; Harjuni Hasan
Jurnal Sains dan Teknologi Vol. 2 No. 2 (2023): Desember : Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58169/saintek.v2i2.253

Abstract

PT. Putra Elan Balindo is a company engaged in the mining sector specially the andesite minerals domiciled in Palu City. PT. Putra Elan Balindo located in Watusampu Village, Ulujadi District, Palu City, Central Sulawesi, which has an IUP (Mining Business Permit) with an area of 17.89 Ha. To achieve production targets set by the company using a combination of tools mechanics in the form of Excavator Komatsu PC 400 and Dump Truck Hino FM 260 JD, where there is currently only 1 Excavator while the Dump Truck is 2 are needed with a production target of 20,000 m3 per month and have 1 shift working hours. Based on the results of research carried out for one month, it shows that the productivity of the Komatsu PC 400 Excavator is 174.29 m3 / hour and the Hino FM 260 JD Dump Truck is 197.69 m3 / hour for 2 transport equipment. The cost of owning a Hino FM 260 JD Dump Truck is Rp. 476,190/hour and the cost of owning a Komatsu PC 400 Excavator is Rp. 267,857/hour while operational costs for the Hino FM 260 JD Dump Truck are Rp. 1,862,072/ hour and operational costs for a Komatsu PC 400 Excavator Rp. 2,135,421/hour.

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