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Tim Redaksi NOZZLE : Journal Mechanical Engineering Program Studi D3 Teknik Mesin Politeknik Harapan Bersama Jl. Mataram No.9, Pesurungan Lor, Kec. Margadana, Kota Tegal, Jawa Tengah 52147 Email : jurnal.nozzle@poltekharber.ac.id
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Nozzle : Journal Mechanical Engineering
Published by Politeknik Harapan Bersama Tegal
ISSN : 23016957     EISSN : 2776219X     DOI : -
Core Subject : Engineering,
Automotive Engineering Control & Systems Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation
Nozzle : Jurnal Teknik Mesin (p-ISSN 2301-6957, e-ISSN 2776-219X) menerbitkan artikel penelitian, artikel konseptual, laporan kajian lapangan, praktik terbaik dan kebijakan teknik mesin di kancah nasional dan internasional (Lihat Fokus dan Ruang Lingkup ). Artikel jurnal ini diterbitkan setiap enam bulan sekali, yaitu pada bulan Januari dan Juli (2 edisi per tahun), dan diterbitkan oleh Politeknik Harapan Bersama Tegal. Editor hanya akan menerima naskah yang memenuhi format yang ditentukan. Nozzle : Journal Mechanical Engineering (p-ISSN 2301-6957, e-ISSN 2776-219X) publishes research articles, conceptual articles, reports field studies, the best practices and policies of mechanical engineering on a national and international stage (See Focus and Scope). The articles of this journal are published every six months, that is in January and July (2 issues per year), and published by the Politeknik Harapan Bersama Tegal. The editors will only accept the manuscripts which meet the assigned format. The journal publishes original papers in the field of Mechine but not limited to, the following scope: Mechine: Electronic Materials, Materials Engineering, Energy Manufacturing, Machinery, Electronic Instrumentation, Automation, Control, Embedded Systems, Mechatronics, Eectric power, Technology, Energy Storage Systems, Transmission, Energy Distribution, New Renewable Energy, and other related topics.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 6 Documents
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Search results for , issue "Vol 10, No 2 (2021): Nozzle : Journal Mechanical Engineering" : 6 Documents clear
ANALISIS JARAK CELAH PENGUPAS DENGAN VARIASI PUTARAN POROS PENGUPAS PADA MESIN PENGUPAS KOPI BASAH (PULPER) Andre Budhi Hendrawan
Nozzle : Journal Mechanical Engineering Vol 10, No 2 (2021): Nozzle : Journal Mechanical Engineering
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/nozzle.v10i2.2821

Abstract

This study aims to determine the effect of setting the spacing of the slits and variations in the rotation of the shaft on the quality of the peeling on the coffee bean skin peeler machine and to determine the size of the spacing of the slits and the proper rotation of the shaft, to obtain a good quality of stripping on the coffee bean skin peeler machine. This study uses an experimental method, by comparing the distance of the peeler gap, there are 2 mm, 4 mm, and 6 mm at the shaft rotation speed of 365 rpm, 576 rpm, and 697 rpm on the peeling quality of the coffee bean skin peeler machine. The stripping quality at each peeler gap and shaft rotation speed will be analyzed and determined based on the quality category of the coffee beans that have been processed. The results showed that the percentage of stripping quality at a gap of 2 mm and a shaft rotation speed of 365 rpm reached 86%, a gap of 4 mm reached 70%, and at a gap of 6 mm it reached 55%. At a distance of 2 mm stripping gap and shaft rotation speed of 576 rpm it reaches 82%, 4 mm gap distance reaches 67%, and at 6 mm gap distance, it reaches 49%. At a distance of 2 mm stripping gap and 697 rpm shaft rotation speed reaches 80%, 4 mm gap distance reaches 59%, and at 6 mm gap distance reaches 40%. The exact distance of the stripper gap and the rotation of the shaft is obtained at the distance of the stripping gap of 2 mm and the shaft rotation speed of 365 rpm. At this distance, the percentage of good quality exfoliating coffee beans reached 86%, partially peeled 10%, and not peeled 4%.
ANALISIS DIAGRAM WIND ROSE DI BARON TECHNO PARK Ridwan Budi Prasetyo
Nozzle : Journal Mechanical Engineering Vol 10, No 2 (2021): Nozzle : Journal Mechanical Engineering
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/nozzle.v10i2.2683

Abstract

This paper presents the analysis of wind data at KST Baron Techno Park in the form of a wind rose diagram. Wind data analyzed in the 2019 period. The wind data is very important for evaluating wind potential, namely, the production of electricity from wind sources. This is because, KST Baron Techno Park is still experiencing difficulties in obtaining long-term anemometric data and short-term data related to wind speed and wind direction. Even though this is very important for the optimization of the operation and maintenance of the Wind Power Plant (PLTB) which is part of the hybrid electricity system. This is to examine the characteristics of the wind that several times caused damage to the blade until it broke. Making wind rose diagrams using Microsoft Excel. From the analysis, it is known that the wind direction is dominated by the southeast (SE) with a wind speed of 1-4 m/s.
ANALISIS TROUBLESHOOTING ENGINE SEPEDA MOTOR YAMAHA VIXION Rinasa Agistya Anugrah
Nozzle : Journal Mechanical Engineering Vol 10, No 2 (2021): Nozzle : Journal Mechanical Engineering
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/nozzle.v10i2.2756

Abstract

Motorcycle engine performance must always be maintained in the best condition. To maintain engine performance can be done with regular maintenance. The troubleshooting step is a reference in performing engine maintenance and repair. This study aims to perform troubleshooting analysis on the Yamaha Vixion engine. The method in this study is the removal, inspection, and reassembly of existing components based on the Yamaha Vixion manual or service manual. The results of the inspection and measurement are compared with the standards in the Yamaha Vixion manual or service manual. This method is used to determine the troubleshooting analysis on the Yamaha Vixion engine. In the component inspection step, the component measurement results are compared with the standard. The result of measuring components that exceed their standard limits or intervals means that the component has been damaged, worn, and or is not suitable for use. Therefore, components that are outside the limits or standard intervals must be repaired or if they cannot be repaired then replaced with new components. Based on the results of existing research, it can be concluded that troubleshooting is a series of systematic activities that include observing symptoms, diagnosing damage, conducting inspections and measurements on systems and components, identifying damage based on the results of inspections and measurements, and determining corrective steps if repairs must be made.
ANALISIS EFISIENSI BAHAN BAKAR TERHADAP MOTOR BENSIN PADA MESIN PENGGILING PADI TYPE CMH 350 Syarifudin Syarif
Nozzle : Journal Mechanical Engineering Vol 10, No 2 (2021): Nozzle : Journal Mechanical Engineering
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/nozzle.v10i2.2819

Abstract

The combustion mechanism is strongly influenced by the state of the overall combustion process where the atoms of the components can react with oxygen and form products in the form of gases. If oxygen and hydrocarbon do not mix well, there will be a cracking process in which smoke will appear on the flame. The purpose of this study was to calculate the efficiency of the rice milling machine and determine the quality of the rice produced from the rice milling machine. So that the engine settings are obtained, especially on the appropriate fuel for optimal results. This study uses an experimental method, by doing a comparison of 3 different fuels and 3 different engine speeds. The results of fuel consumption at 2500, 3000, and 3500 rpm using pertalite, Pertamax, and Pertamax turbo fuels, showed that the quality of fuel testing was more efficient on Pertamax turbo fuel because Pertamax turbo fuel consumed 7.33 ml at 2500 rpm, 9.67 ml at 3000 rpm, and 11.67 ml at 3500 rpm. While pertalite fuel consumed 10.67 at ml 2500 rpm, 14.67 at ml 3000 rpm, and 16.33 at 3500 rpm, Pertamax consumed 8.67 ml at 2500 rpm, 11.67 ml at 3000 rpm, 13.67 at 3500 rpm, and 13.67 at 3500 rpm. For the category of the cheapest price on pertalite fuel at IDR 7,650 because Pertamax fuel is IDR 9,850 and Pertamax turbo is IDR 11,200. The results of the fuel test show that of the three fuels that are efficient on Pertamax fuel with 3000 rpm because it affects the milling results. Factors include: The fuel used affects fuel consumption in the form of different octane values and it takes a shorter time to carry out the milling process so that the resulting milling capacity is better.
ANALISIS RASIO KATROL TERHADAP MESIN BOR AIR BAWAH TANAH Mukhamad Khumaidi Usman
Nozzle : Journal Mechanical Engineering Vol 10, No 2 (2021): Nozzle : Journal Mechanical Engineering
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/nozzle.v10i2.2820

Abstract

A water drilling machine is a tool that makes it easier for humans to make dug wells, in the manufacturing process it requires a tool to lift and lower pipes which are relatively large and heavy, so a tool is needed, namely a pulley. Which is following its use to ease in pulling and lowering the machine and the drill pipe. How to analyze the pulley-to-lift ratio of an underground water drilling machine. In drilling a water well with a lift pulley ratio of 1: 4.8 capable of lifting a load of 85 kg with a force of 0.728 kg.
RANCANG BANGUN HORIZONTAL GAS CUTTING MACHINE UNTUK PEMOTONGAN PIPA Rizal Justian Setiawan; Hari Hidayat; Prabasta Berlian Putra; Hadi Krida Laksana; Putu Iswara Putra
Nozzle : Journal Mechanical Engineering Vol 10, No 2 (2021): Nozzle : Journal Mechanical Engineering
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/nozzle.v10i2.2572

Abstract

In the fabrication construction course held at the Fabrication Lab, Mechanical Engineering, Yogyakarta State University, it is necessary to provide workpieces in the form of metal pipe with sizes Ø 4“ to Ø 10". In cutting activity, metal pipe can shift or rotate, so that it is very dangerous for operator who conduct the cutting activity, especially if the pipe cutting activity is conducted using a grinding machine. Due to the condition of a round grinding stone and a cylindrical iron pipe, the case will run the risk of making the grinding machine or iron pipe slip. The use of saw is also less effective and less efficient due to it requires a lot of effort and time [1]. Based on the problems, researchers created the Horizontal Gas Cutting Machine as a tool for cutting iron pipe. The research method in the manufacture of machine used Research and Development (RD) method. The machine project is conducted in five steps, such as needs analysis step, design, implementation, testing and maintenance. Working drawings on the machine design using Autodesk Inventor application. Production process on the machine includes making frames, casing, pipe support, assembling and painting. The result achieved is the creation of a horizontal gas cutting machine for cutting metal pipes that is able to cut pipes quickly, produces even pipe pieces, has brander features and is easy to operate

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