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All Journal Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer (JURITEK) Jurnal Ilmiah Sistem Informasi dan Ilmu Komputer Jurnal Sistem Informasi dan Ilmu Komputer Jurnal Kendali Teknik dan Sains Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Manufaktur: Publikasi Sub Rumpun Ilmu Keteknikan Industri Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Venus: Jurnal Publikasi Rumpun Ilmu Teknik Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer
Mad Yusup
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Penerapan Metode Seven Tools Dalam Pengendalian Kualitas Produk Diyaa Aaisyah Salmaa Putri Atmaja; Purbawati Purbawati; Mad Yusup
Jurnal Sistem Informasi dan Ilmu Komputer Vol. 2 No. 1 (2024): Februari : Jurnal Sistem Informasi dan Ilmu Komputer
Publisher : Universitas Katolik Widya Karya Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jusiik-widyakarya.v2i1.2303

Abstract

Borneo Conblock Mandiri faces significant challenges in its monthly production, with an average of more than 50,000 paving units, but the number of defects exceeds 4,500 units. These defects include cracks, breaks, and uneven or jagged surfaces. To overcome this problem, a quality control analysis is proposed using the seven tools method to reduce defects and improve overall product quality. The research results show that in the production of Holand-type paving, the primary defects include 4,965 units (53%) cracks, 2,661 units (29%) broken, and 1,660 units (18%) the surface is not smooth. Human and machine factors were identified as the leading causes of defects in paving. The proposed solution is the addition of a foreman as an additional supervisor, especially in the production process. The new foreman inspects the material more intensively before it is put into the mixer. Hopefully, these steps can reduce the number of defects and improve overall product quality. The expected result of this research is that it can positively impact the productivity and reputation of Borneo Conblock Mandiri. By addressing the root causes of defects and implementing appropriate solutions, companies can improve their production processes and deliver higher-quality products in line with market demands.
Optimasi Kondisi Operasi Proses Elektroplating Nikel-Khrom Untuk Ketahanan Korosi Baja Profile L Mad Yusup; Diyaa Aaisyah Salmaa Putri Atmaja; Purbawati Purbawati; Ida Rosanti
Jurnal Kendali Teknik dan Sains Vol. 2 No. 3 (2024): Juli : Jurnal Kendali Teknik dan Sains
Publisher : Universitas Katolik Widya Karya Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v2i3.3904

Abstract

This research aims to optimize the operating conditions of nickel-chrome electroplating to increase the corrosion resistance of L profile steel materials. Nickel-chrome electroplating is a metal coating method used to protect steel surfaces from corrosion and improve the aesthetic appearance. The electroplating process involves several variables such as solution concentration, temperature, current density, and plating time. In this research, various operating conditions were optimized to obtain maximum corrosion resistance. The experimental method was carried out with variations of these parameters and the results were evaluated using corrosion tests and microscopic analysis. The research results show that certain operating conditions produce a protective layer that is more effective in preventing corrosion on L profile steel. This optimization is expected to make a significant contribution in industrial applications that require high corrosion protection.
Penerapan Metode Seven Tools Dalam Pengendalian Kualitas Produk Diyaa Aaisyah Salmaa Putri Atmaja; Purbawati Purbawati; Mad Yusup
Jurnal ilmiah Sistem Informasi dan Ilmu Komputer Vol. 3 No. 3 (2023): November : Jurnal ilmiah Sistem Informasi dan Ilmu Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juisik.v3i3.732

Abstract

Borneo Conblock Mandiri faces significant challenges in its monthly production, with an average of more than 50,000 paving units, but the number of defects exceeds 4,500 units. These defects include cracks, breaks, and uneven or jagged surfaces. To overcome this problem, a quality control analysis is proposed using the seven tools method to reduce defects and improve overall product quality. The research results show that in the production of Holand-type paving, the primary defects include 4,965 units (53%) cracks, 2,661 units (29%) broken, and 1,660 units (18%) the surface is not smooth. Human and machine factors were identified as the leading causes of defects in paving. The proposed solution is the addition of a foreman as an additional supervisor, especially in the production process. The new foreman inspects the material more intensively before it is put into the mixer. Hopefully, these steps can reduce the number of defects and improve overall product quality. The expected result of this research is that it can positively impact the productivity and reputation of Borneo Conblock Mandiri. By addressing the root causes of defects and implementing appropriate solutions, companies can improve their production processes and deliver higher-quality products in line with market demands.
Penerapan Diagram Sebab Akibat (Fishbone Diagram) pada Identifikasi Kerusakan Mekanisme Pengumpan dan Penyusuana Standard Operating Procedure Mesin Skrap Mad Yusup; Purbawati Purbawati; Diyaa Aaisyah Salmaa Putri Atmaja; Ida Rosanti
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 1 (2025): Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i1.619

Abstract

This study aims to use the fishbone diagram as a tool to identify the causes of damage to the feeder mechanism of scrap machines and to develop Standard Operating Procedures (SOP) that can improve performance and reduce the level of damage. This diagram is used to evaluate various elements that contribute to the damage of the feeder mechanism, such as human, machine, material, method, and environmental factors. Through this evaluation, the main causes of the damage can be identified, and appropriate corrective actions can be formulated. In addition, this research also aims to design SOPs that ensure more efficient operation of the scrap machine and reduce the likelihood of operational errors. The implementation of mechanism improvements and SOPs is expected to enhance the reliability of the scrap machine, reduce downtime, and increase productivity in the mechanical technology laboratory. The findings of this study are expected to make a significant contribution to the development of management systems and equipment maintenance in both industrial and educational sectors.
ANALISIS CACAT CORAN PADA SAND CASTING PRODUK CLAMP SADDLE Mad Yusup; Purbawati
Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer Vol. 2 No. 2 (2022): Juli: Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/juritek.v2i2.571

Abstract

Terjadinya cacat pada produk coran disebabkan bebrapa keadaan, antara lain: rancangan pengecoran, rancangan pola, pasir untuk cetakan, rancangan cetakan, rancangan inti, komposisi material logam, proses peleburan proses penuangan, susunan saluran masuk dan saluran penambah. Tujuan penelitian untuk mengetahui proses pengecoran produk clamp saddle, mengetahui jenis cacat yang terjadi pada produk clamp saddle, Memberikan hasil rekomendasi untuk mengurangi cacat yang terjadi pada produk clamp saddle. Pada analisis cacat cor untuk clamp saddle menggunkan diagram sebab akibat (fishbone diagrams) dan pemeriksaan rupa. Penelitian mendapakan kesimpulan : Berdasrakan pemeriksaan rupa hasil pengecoran clamp saddle cacat cor yang terjadi merupakan cacat pada permukaan yaitu kekasaran yang meluas, kondisi cacat seperti ini diakibatkan oleh pasir cetak yang tererosi. Ada beberapa bahan baku yang digunakan dalam pengecoran untuk pembuatan clamp saddle yaitu : skrap baja, skrap besi, carboriser adalah bahan tambahan kandungan karbon untuk besi tuang, biasanya kadar C dalam carboriser adalah sekitar minimal 90%. Berdasarakan hasil penelitian perlu dilakukan perbaikan dengan cara membuat standarisasi untuk membuat standar kualitas produk agar dapat didefinisikan jenis-jenis cacat produk pengecoran.
Monitoring Kinerja Heat Exchanger pada Sistem Sea Water & Cooling Water Marwan Marwan; Mad Yusup; Ida Rosanti
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 3 (2025): Juli: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipi
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i3.964

Abstract

One type of efficient and widely used heat exchanger is the Plate and Frame Heat Exchanger (PFHE). PFHE is a device designed to increase the efficiency of heat exchange through a structure of plates assembled together. This design allows a large heat exchange surface area in a relatively small space, creating an efficient environment for heat transfer. This study took the Plate and Frame type Heat Exchanger object, while the purpose of this study was to determine the performance of the Heat Exchanger in the Sea water & Cooling Water system at PT. Eni. The research methods used were the Observation method, Interview method (Question and Answer), and Literature review. The results of the study showed that the performance of the Heat Exchanger in the Sea water & Cooling Water system at PT. Eni runs according to the desired design. The operating temperature line remains below the maximum limit set, and indicates the performance of the heat exchanger in very good condition. This reflects the optimal heat exchange results in Cooling Water. In accordance with the design operating parameters, the achievement of heat exchange in the minimum range of 4 - 5 ℃ and the maximum limit of redistribution temperature in Cooling Water does not exceed 45 ℃, which indicates that this system operates according to the desired standards
Perancangan Sistem Informasi Monitoring Berbasis Web Untuk Admin Kantor Pada PT. Gemilang Sejahtera Abadi Kutai Timur Reza Abi Mubaroq; Akhmad Baihaqi; Purbawati Purbawati; Mad Yusup; Ida Rosanti
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 3 (2025): Juli: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipi
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i3.965

Abstract

PT. Gemilang Sejahtera Abadi (GSA) is a company engaged in the oil palm plantation business, which is spread across the East Kutai Regency, precisely in Long Mesangat District. It is still difficult for office admins to monitor plantation results and production results by relying on paper records, via telephone and SMS, making it difficult to understand palm oil production data. The computerized system used when the research was conducted still used Microsoft Excel and Microsoft Word. The purpose of this study was to create a web-based Monitoring Information System Design application for the PT. Gemilang Sejahtera Abadi office admin. The method used is the Waterfall method which consists of 5 stages, namely: communication, planning, modeling, construction and system submission. The system created is web-based using the PHP programming language and MySQL database.The results of the study concluded that the design of the plantation production monitoring system for the office admin can be implemented and is expected to help the office admin in managing harvest data and can reduce errors in the data input process.
Pengendalian Kualitas Air Limbah Industri Migas di Pertamina Hulu Mahakam (PHM) CPU Tambora Samarinda Gusti Firman Noor; Khoirul Huda; Mad Yusup; Diyaa Aaisyah Salmaa Putri Atmaja
Manufaktur: Publikasi Sub Rumpun Ilmu Keteknikan Industri Vol. 3 No. 2 (2025): Manufaktur : Publikasi Sub Rumpun Ilmu Keteknikan Industri
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/manufaktur.v3i2.963

Abstract

The research was conducted directly at the Pertamina Hulu Mahakam CPU Tambora Samarinda Company. The problem in this study is how to control the quality of wastewater and what factors affect the quality of wastewater in the PHM CPU Tambora Samarinda area, while the purpose of the study was to determine the control of wastewater quality and determine the factors that affect the quality of wastewater. Wastewater sampling was carried out in bottles for 31 days at 06.00 am and then sent to the laboratory for analysis of oil content in wastewater. The method used is the control map approach and fish bone diagram. The results of the study showed that the quality of wastewater was still within the standard quality limit of 12.5 ppm (still below the maximum standard of 40 ppm) and the dominant factor affecting the quality of wastewater was the equipment factor, namely due to damage to the pump
Penerapan Sistem Deteksi Api dan Gas pada Proyek Ekspansi Lapangan Utara (NFXP) Zul Fazri Sabily Muttaqin; Purbawati Purbawati; Mad Yusup; Ida Rosanti
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 3 No. 4 (2025): Juli: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v3i4.966

Abstract

The research with the title Application of Fire and Gas Detection Systems takes place at the North Field Expansion Project (NFXP). The methods used are direct observation, interviews, simulations and literature studies. The objectives of the study were to determine the application of fire and gas detection systems, and to determine the challenges in the application of fire and gas detection systems in the North Field Expansion Project (NFXP). The results obtained show that the Fire and Gas Detection System implemented at NFXP is in compliance with international safety standards, and the system is able to detect fire threats and gas leaks with high efficiency through advanced detector technology, automatic response, and integration with other safety systems such as IPS and HVAC. The effectiveness of the system is reflected in the ability to detect threats in less than 5 seconds, with detection coverage that meets the target of 90% by one detector and 85% by two or more detectors. The main challenges in the implementation of fire and gas detection systems include extreme environmental conditions, such as corrosion due to exposure to seawater and high temperatures, and false alarms that reach around 15%. Another obstacle is the lack of technical training for personnel in operating and maintaining the system.
Pengaruh Beban Kerja dan Lingkungan Kerja Terhadap Produktivitas Karyawan di PT. Putra Tunggal Mandiritama Samboja-Kutai Kartanegara-Kalimantan Timur Muhammad Ridwan; Purbawati Purbawati; Diyaa Aaisyah Salmaa Putri Atmaja; Mad Yusup
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 3 No. 4 (2025): Juli: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v3i4.967

Abstract

The research was conducted in the construction department which has around 90 employees with a high workload and a less supportive work environment. The problem in this study is how the workload and work environment affect employee productivity, while the purpose of the study is to determine the effect of workload and work environment on employee productivity. The method used in the study is the multiple linear regression analysis method with a sample of 65 employees. Testing was carried out using the F test and t test and calculating the determination factor. From the results of the t test calculation, the calculated t-value for X1 (workload) was obtained in succession of 3,743 and the calculated t-value for X2 (work environment) was 6.187. These values ​​are greater than the value in the t-table of 1,999, which means that the workload affects employee productivity and the work environment affects employee productivity.The result of the F test calculation produces 14,872 > from the value in the F-table (3,143), it can be concluded that Workload (X1) and Work Environment (X2) have an effect on Employee Productivity (Y) at PT. Putra Tunggal Mandiritama. From the determination coefficient test, the Adjusted R Square value is 0.455 or 45.5%, meaning that the work productivity variable is influenced by the workload and work environment variables by 45.5%. Furthermore, the remaining value of 54.5% is caused by other factors.
Co-Authors Aji Sayuthi Ramadhan Akhmad Baihaqi Diyaa Aaisyah Salmaa Putri Atmaja Eko Wahyu Songgo Buwono Esa Cahya Kartika Gusti Firman Noor Ida Rosanti Ilham Dwi Septya Widodo Khoirul Huda Marwan Marwan Muhammad Rafi’i Muhammad Ridwan Purbawati Purbawati Purbawati Reza Abi Mubaroq Yudha Suherdiansyah Zul Fazri Sabily Muttaqin