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Jurnal Serambi Engineering
Published by Universitas Serambi Mekkah Aceh
ISSN : 25283561     EISSN : 25411934     DOI : https://doi.org/10.32672/jse
Core Subject : Science, Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Environmental Science
Jurnal Serambi Engineering diterbitkan oleh Fakultas Teknik Universitas Serambi Mekkah Banda Aceh. Jurnal ini diterbitkan sebagai media untuk menyalurkan informasi hasil penelitian dibidang keteknikan baik yang dilakukan oleh para dosen dari Fakultas Teknik, khususnya dari Universitas Serambi Mekkah maupun dari pihak lain. Penelitian yang dipublikasikan dapat berupa penelitian lapangan maupun laboratorium serta kajian literatur.
Arjuna Subject : -
Articles 1,178 Documents
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Perancangan Hydraulic System Dalam Rangka Mendukung Dies Clamping Pada Mesin Press Seyi SN2-300 di PT Ganding Toolsindo Edwin Sahrial Solih; Vebriyanti Hayoto; Sanurya Putri Purbaningrum; Fredy Sumasto; Desy Agustin
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6888

Abstract

The problem faced by the PT Ganding Toolsindo company is that it still takes a long time to set the dies on the Seyi SN2-300 Press Machine, this is due to the long process of tightening and releasing the bolts, so it requires a proposed work aid design to shorten the process time for tightening and releasing the bolts. bolt on the die. This research aims to design work aids in the form of a hydraulic system to support die clamping in tightening the dies. The method used in this research is designing tools for the hydraulic system when setting up dies on a press machine. The results obtained by this research are in the form of a hydraulic system design that supports dies clamping during internal press machine setup where this tool can eliminate the operator's work in tightening and releasing bolts during the dies setup process on the Seyi SN2-300 Press Machine at PT Ganding Toolsindo. The design of this hydraulic system is described using CAD software which is based on calculations and dimensions of the dies used in the press machine.
Analisis Aksesibilitas Jalan Tol Bogor-Ciawi-Sukabumi Terhadap Perekonomian dan Kinerja Jaringan Jalan di Kota Sukabumi Isra Yanuar Giu; Dwi Prasetyanto
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6758

Abstract

Jalan Tol Bogor-Ciawi-Sukabumi sudah sampai ke Parungkuda, tujuan dibangunya jalan tol adalah meningkatkan pertumbuhan ekonomi, disamping itu muncul fenomena kemacetan pada daerah tujuan. Tujuan penelitian adalah, pertama menganalisis pengaruh Aksesibilitas Jalan Tol Bocimi terhadap Kegiatan Ekonomi Kota Sukabumi, kedua menganalisis pengaruh Aksesibilitas Jalan Tol Bocimi terhadap Kinerja Ruas Jalan di Kota Sukabumi, ketiga menganalisis pengaruh Kegiatan Ekonomi terhadap Kinerja Ruas Jalan di Kota Sukabumi dan keempat menganalisis apakah ada pengaruh Aksesibilitas Jalan Tol Bocimi terhadap Kinerja Ruas Jalan di Kota Sukabumi melalui perantara Kegiatan Ekonomi Kota Sukabumi. Jumlah responden 65 orang menggunakan teknik Purposive Sampling. Teknik pengumpulan data menggunakan kuesioner dan jawaban menggunakan stated preference. Analisa data menggunakan Structural Equation Model - Partial Least Square (SEM-PLS), hasilnya adalah pertama terdapat pengaruh signifikan aksesibilitas jalan tol terhadap kegiatan ekonomi, kedua terdapat pengaruh signifikan aksesibilitas jalan tol terhadap kinerja jaringan jalan, ketiga terdapat pengaruh signifikan kegiatan ekonomi terhadap kinerja jaringan jalan dan keempat kegiatan ekonomi signifikan memediasi pengaruh aksesibilitas jalan tol terhadap kinerja jaringan jalan dengan kategori Mediasi Parsial Complementary.
Quality Control Analysis on Nylon Monofilament Net Production Process Using the Seven Tools Method and FMEA at PT ARIDA Muhamad Iskhaq; Hidayat Hidayat; Akhmad Wasiur Rizqi
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6900

Abstract

PT. ARIDA is a company engaged in the fishing net production manufacturing industry. This company experienced difficulties in controlling the quality of the nylon monofilament net production process. Quality control is carried out to reduce the occurrence of defects. The author uses the Seven Tools and FMEA methods to analyze the level of defects and look for factors that cause defects that occur. The author uses the Seven Tools and FMEA methods to analyze the level of defects and look for factors that cause defects that occur. The research results show that the defect rate that occurs is 8.97%, this shows that the production process is not under control. Proposed control of potential causes based on RPN values so that companies can prioritize improvements to potential causes that occur.
Meningkatkan Produktivitas di Sektor Otomotif (Studi Kasus: Yantos Truck Seat Service) Fredy Sumasto; Ardy Riyanto; Indra Rizki Pratama; Febriza Imansuri; Anita Putri Permatasari; Septian Adi Cahyo; Shabrina Razan Putri Pribadi
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6898

Abstract

This research identifies and addresses the waste problem at Yanto's Truck Seat Service, with the main focus on measuring seat dimensions and marking the leather and foam. This waste occurs because seats with the exact dimensions are often re-measured, resulting in inefficient use of resources. To solve this problem, we developed a tool in the form of a mall or jig that facilitates the measurement of upholstery dimensions and the cutting of leather and foam. Through this improvement, we reduced the number of work elements before the improvement from 21 to 20. The process of measuring seat dimensions and cutting leather and seat foam was eliminated from the production process. As a result, the production time was significantly reduced by 884 seconds. Before the improvement, the production time reached 5276.33 seconds per unit; after the improvement, it became 4392.33 seconds per unit. This improvement also positively impacts daily production, which can now reach the target of 3 units per day. Takt time in the production process before the improvement was 4800 seconds per unit, multiplied by 3 units, which is 14,400 seconds for 3 units. With this improvement, the production time is faster than the takt time. Future research can consider improving the layout of Yanto's Truck Seat Service to further increase the efficiency of the production process, given that there is still potential for improvement in reducing the time required to move between processes.
Koagulan Polielektrolit Alami dari Kulit Udang Kaki Putih untuk Menyisihkan Parameter Warna, TSS, dan COD dalam Limbah Cair Batik Rizal Bahtiar Muqim; Yayok Suryo Purnomo
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6903

Abstract

Air limbah dari industri batik rumahan umumnya dibuang langsung ke perairan tanpa pengolahan yang layak sehingga terkandung secara masif parameter pencemar seperti warna, TSS, dan COD. Penelitian ini akan mengeksplorasi penggunaan polielektrolit alami yang diekstrak dari kulit udang kaki putih sebagai koagulan dalam upaya untuk menyisihkan kandungan parameter warna, TSS, dan COD dalam air limbah batik dari industri rumahan di kota Sidoarjo. Eksperimen dalam penelitian ini meliputi proses ekstraksi polielektrolit kitosan dari kulit udang kaki putih, pengujian koagulan dalam air limbah batik di berbagai variasi, dan analisa pH, kecepatan pengadukan serta dosis optimum dari koagulan dalam menurunkan beban pencemar yang terdapat dalam air limbah. Hasil penelitian menunjukkan bahwa koagulan yang dibuat efektif dalam menghilangkan parameter-parameter pencemar tersebut dengan tingkat penyisihan yang signifikan pada air limbah dengan pH 5 dan diaduk dengan kecepatan 90 RPM. Selanjutnya, dosis optimum yang tercatat untuk menurunkan parameter warna terdapat pada dosis 500 mg/l dengan nilai penyisihan sebesar 83,1%, sedangkan untuk parameter TSS dan COD dosis optimum yang tercatat terdapat pada dosis 200 mg/l dengan nilai penyisihan beturut-turut sebesar 82,7% dan 64,7%.
Peningkatan Value Added dalam Industri Tahu melalui Penerapan Lean Manufacturing dan Analisis Waste Fredy Sumasto; Muhammad Raihan Akbar; Shafiratul Fajri Harisul Husna; Indra Rizki Pratama; Isma Wulansari; Muhamad Fahrul Rozi; Ahlan Ismono
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6876

Abstract

Productivity is the most vital part of the food industry as it is one of the priority industries in Indonesia. PD. Saluyo is an industry that produces tofu, which needs to increase production efficiency to meet market needs. The problem in the tofu production process is the high waiting time during soybean soaking. The approach used in this research is lean manufacturing by mapping the process using Value Stream Mapping so that Value Added, Non-Value Added and Necessary Non-Value Added activities can be mapped. Further, Value Added, Non-Value Added and Necessary Non-Value Added data processing is weighted in VALSAT to determine the most significant waste and mapped through PAM. The mapping results obtained a VA of 3,29%, NVA of 90,64% and Necessary Non-Value Added of 6,06%. Based on the results of the VALSAT calculation, the most significant waste is found in time waiting and unnecessary motion. These results are re-mapped in PAM for further analysis using the Cause-Effect Diagram. The analysis results of PAM and the Cause-and-Effect Diagram proposed improvements to change the soaking process method using hot water and create a new SOP to adjust to the proposed production process. The results of the proposed improvements can increase the value added by 0,07% from 3,29% to 3,36%.
Pengendalian Kualitas Material Kapur pada PT. AJG dengan Metode SQC dan FMEA Fatih Firmansyah; Mohammad Jufriyanto
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6896

Abstract

PT. Aneka Jasa Grhadika merupakan perusahaan yang menerapkan sistem produksi Make to Order (MTO), Assembly to Order (ATO), dan Engineer to Order (ETO). Dalam memproduksi produknya sangat mempertahankan kualitas dalam memberikan kepercayaan dan kepuasaan kepada customer. Hal ini didukung dengan ketersediaan ISO 9001:2015 yang berkaitan dengan quality management system. PT. AJG juga merupakan perusahaan yang bergerak di bidang Engineering, Procurement, dan Contruction (EPC). Pada proses pengadaan seringkali terjadi ketidaksesuaian antara material kapur yang diterima dengan standar spesifikasi yang telah ditetapkan oleh perusahaan. Hal tersebut dijadikan topik pembahasan oleh peneliti dengan tujuan untuk mengetahui faktor apa saja yang menyebabkan ketidaksesuaian material kapur dan pengendalian kualitas yang tepat. Dalam penelitian ini menggunakan metode Statistical Quality Control (SQC) dan Failure Mode Effect Analysis (FMEA). Hasil penelitian diperoleh temuan bahwa material kapur berada di luar batas kendali, dan faktor penyebab ketidaksesuaian material kapur meliputi faktor mesin, manusia, metode, pengukuran, dan lingkungan. Usulan tindakan perbaikan yang direkomendasikan yakni melakukan penjadwalan maintenance mesin, memberikan penugasan sertifikasi keahlian kepada karyawan, melakukan identifikasi terkait supplier dengan kriteria pelayanan terbaik, menstruktur metode penerimaan material kapur, melakukan mediasi dengan pihak rekanan terkait kondisi aktual kualitas material kapur, dan melakukan uji sampling terkait area yang akan diambil material kapur secara periodik.
Optimalisasi Pengendalian Persediaan Biji Kopi Dengan Metode EOQ (Studi Kasus Kopi Bubuk Eyang Kakung) Satria Bayu Nugraha; Moh. Jufriyanto; Ahmad Wasiur Rizqi
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6850

Abstract

Kopi Bubuk Eyang Kakung is one of the micros, small and medium enterprises (MSMEs) in Gresik which operates in the field of coffee bean processing. This company often faces a situation where raw material supplies are close to running out, which is often referred to as stockout. To solve these challenges related to inventory management, Kopi Bubuk Eyang Kakung tries to use the economic order quantity (EOQ) methodology. EOQ is an important technique in procuring raw materials in a company, which aims to determine the most economical order quantity for each purchasing cycle, while determining the order frequency and optimal time for reordering. The use of the EOQ method is helpful in reducing costs associated with inventory, thereby ensuring effective operation of the inventory system. This method facilitates achieving optimal order quantities while minimizing costs. Specifically, the EOQ method determines the most efficient order quantity by considering the costs per period related to raw materials for BM coffee beans of IDR 140,724, JM of IDR 213,065, and BA of IDR 88,228.
Reduksi Waktu Set up Pekerjaan Penggantian Ban Sepeda Motor dengan Metode Single Minute Exchange of Dies Indra Rizki Pratama; Fredy Sumasto; Febriza Imansuri; B. Handoko Purwojatmiko
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6854

Abstract

Currently, almost every household in Indonesia has a motorbike, this is certainly a business opportunity. One of the most important components of a motorbike is the tire which functions to reduce vibration and protect the wheel from wear and damage. The business environment operating in the automotive sector needs to create high-quality goods or services to increase customer satisfaction. Costs in the company's productive processes must be reduced to achieve effectiveness. The object of this research is the XYZ Tire Workshop located in East Jakarta. In a day, the XYZ Ban workshop can provide up to 25 to 30 motorbike tire changes. Meanwhile, the workforce on duty is only 2 mechanics and the quantity of tools is limited. This causes delays and makes customers have to wait quite a long time before their motorbike can be worked on. The Single Minute Exchange of Dies (SMED) method which is included in lean tools is the key to reducing set-up process time. In general, SMED aims to standardize and simplify operating processes. The SMED technique is used as an element in Total Productivity Maintenance (TPM) in various studies to achieve lean manufacturing. Based on research data, the set-up time before implementing SMED was 177 seconds. After implementing the SMED method, the setup time was 126 seconds. This shows that the SMED method can reduce set-up time by 51 seconds.
Pembuatan Gas Metana Dari Gas Karbon Dioksida (CO2) Menggunakan Katalis Ni/Al2O3 Dengan Promotor Logam Fe Tiara Manda Putri; Robert Junaidi; Anerasari Meidinariasty
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6782

Abstract

Carbon dioxide (CO2) is one of the most critical greenhouse effect causes. One method that can reduce the problem of global warming is by converting CO2 and utilizing it into a CO2 hydrogenation reaction into methane. This research aims to obtain methane gas from CO2 gas using a Fixed Bed Reactor for the CO2 methanation process. This research uses Ni/Al2O3 catalyst as support and Fe metal as a promoter with in situ method by varying the amount of Fe metal promoter up to 1gr - 5gr and time variation of 30 minutes, 45 minutes and 60 minutes. The highest methane gas yield was obtained in sample 15 with more Fe metal promoter 5 gr (variation 1-5 gr) for 60 minutes (variation 30, 45, and 60 minutes), which amounted to 12.54%. The amount of Fe metal promoter and the length of time used is directly proportional to the methane gas (CH4) produced. This is because the addition of Fe as a promoter can increase catalyst activity and catalyst stability, so that the catalyst can work well in converting CO2 into methane thermal gas.Keywords: Carbon Dioxide, CO2 Methanation, Catalyst Ni/Al2O3, Promoter Fe, Methane (CH4).

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