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Piston: Jurnal Teknologi
Published by Universitas Halu Oleo
ISSN : -     EISSN : 25027018     DOI : https://doi.org/10.55679/pistonjt
Core Subject : Science, Engineering,
Aerospace Engineering Automotive Engineering Industrial & Manufacturing Engineering Mechanical Engineering Physics
Jurnal PISTON-JT merupakan jurnal single blind peer review multidisiplin keteknikan dan natural sains yang diterbitkan oleh Jurusan D-3 Teknik Mesin, Program Pendidikan Vokasi Universitas Halu Oleo, Kendari, INDONESIA. Jurnal ini terbit dalam 2 (dua) terbitan dalam setahun yakni pada bulan Juni, dan Desember. Setiap terbitan dapat memuat minimal 5 artikel. Artikel dapat ditulis menggunakan Bahasa Indonesia atau Bahasa Inggris. Jurnal PISTON-JT memuat naskah ilmiah tentang hasil penelitian, hasil rancang bangun atau desain,hasil aplikasi, dan telaah pustaka yang terkait dengan ilmu keteknikan, natural sains, dan aplikasi industri.Setiap artikel yang masuk mengalami pemeriksaan plagiarisme menggunakan perangkat lunak yang handal. Similaritas naskah maksimal 25% tidak termasuk informasi penulis dan daftar pustaka. Jurnal PISTON-JT dapat menjadi referensi keilmuan di bidang natural sains, khususnya mesin-mesin dan industri untuk para peneliti, praktisi dan mahasiswa khususnya bidang Pendidikan Vokasi keteknikan.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 5 Documents
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Search results for , issue "Vol 7 No 2 (2022): Desember 2022" : 5 Documents clear
analisa keselamatan dan kesehatan kerja pada pengoperasian forklift di Pt. equiport inti indonesia Harjum La Bau; Muh Fadhil Safli; Sudarsono; La Ode Ahmad Barata
Piston: Jurnal Teknologi Vol 7 No 2 (2022): Desember 2022
Publisher : Program Pendidikan Vokasi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (564.188 KB) | DOI: 10.55679/pistonjt.v7i2.7

Abstract

Occupational Health and Safety (K3) is our effort to create a healthy and safe work environment so as to reduce the probability of occupational accidents and diseases due to negligence which results in demotivation and deficiency in work productivity. At PT. Equiport Inti Indonesia, the application of forklift operating safety regulations has not been carried out thoroughly. The non-implementation of the implementation of the regulations as a whole can trigger work accidents. The purpose of this final project is to find out the steps taken by the company in preventing work accidents in forklift operations. The method used in this final project uses interviews and direct observation in the company to fill in the checklist table that has been prepared as a data collection tool. The analysis in this final project uses a fishbone diagram. The use of fishbone diagrams is carried out to trace the causes and effects that arise from the deficiencies found that can lead to forklift work accidents. The results of this final project show that PT. Equiport Inti Indonesia still lacks in implementing safety standards in forklift operations, including the absence of pedestrian paths, incomplete forklift safety signs, and the operator's lack of seriousness in operating forklifts. From the results of this final project, it can be concluded that the company pays little attention to the procedures for implementing occupational safety and health in forklift operations.
Dispenser Otomatis Berbasis Arduino Uno Muh. Ilcardi Ralda; La Ode Ahmad Barata; Nanang Endriatno
Piston: Jurnal Teknologi Vol 7 No 2 (2022): Desember 2022
Publisher : Program Pendidikan Vokasi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (555.911 KB) | DOI: 10.55679/pistonjt.v7i2.12

Abstract

Dispensers have an important role in providing adequate drinking water for needs and can be placed around where we work. The purpose of this research is how to design and make an automatic dispenser system based on Arduino Uno and it can work well when filling the glass when the glass is placed. This research was conducted by coding using Arduino IDE 1.0.6 software to program Arduino Uno to control servo motors and ultrasonic sensors. The results of this study indicate that the automatic dispenser can work to fill glasses from a distance of 5 cm to 0 cm and open the dispenser faucet 1 cm. From the manufacture of this tool it can be concluded that this tool works well, in accordance with its purpose to make it easier to take water, the automatic dispenser is driven by a servo motor with a wire attached to the side of the dispenser lever, the control system uses Arduino Uno. Suggestions can be given so that this tool can be developed. Another suggestion for development is that so that the automatic system of this tool can work properly, the placement of the sensor must be in the right position so that the glass plate can be filled properly, it is better to turn on the Arduino uno by using a switch.  
Sistem Pendingin Pada Induced Draft Counter flow Cooling Tower Muhammad Alfian; La Ode Ahmad Barata; Nining Mahmuda Meliana
Piston: Jurnal Teknologi Vol 7 No 2 (2022): Desember 2022
Publisher : Program Pendidikan Vokasi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (720.232 KB) | DOI: 10.55679/pistonjt.v7i2.13

Abstract

There are two factors that determine the rate of heat transfer from hot water to air as a cooling medium, namely the contact time and the surface area between the phases, where to determine the performance of the cooling tower, the performance of the cooling tower needs to be identified. Because of this, research is needed which aims to determine fluid circulation in induced draft counterflow cooling towers and to determine the cooling ability with a standard inlet water temperature of 70oC and a standard outlet water temperature of 27oC. This research uses a structured or quantitative approach method where the research process is carried out by making a design and design of a cooling system which is then identified by measuring and calculating cooling towers. Based on research conducted on the mechanism of fluid circulation in induced draft counterflow cooling towers, it starts with hot water entering the tower being expelled through the nozzle, where the falling water will break and slow down as it passes through the filler. At the same time air enters through the inlet and passes through the filler, hot steam will be attracted along with the air and cold water will fall into the cold water pool. The cooling tower is capable of cooling water from a temperature of 70oC to a standard discharge temperature of 27oC with an average range of 44.38oC and an average approach of -0.67oC and produces an effectiveness value of up to 100% and a maximum heat absorption capacity of up to 225 kW.
Perancangan Pembuatan Kapal Tenaga Surya Skala Miniatur Suriyadi; Ungo Ibuhasa; Muhammad Abdillah; Rizki; La Ode Ahmad Barata; Samhuddin
Piston: Jurnal Teknologi Vol 7 No 2 (2022): Desember 2022
Publisher : Program Pendidikan Vokasi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (986.129 KB) | DOI: 10.55679/pistonjt.v7i2.15

Abstract

A solar-powered ship is a means of marine transportation that is designed in such a way that its use is different from ships in general. This ship relies on solar energy as the main fuel so that this ship uses solar panels to capture sunlight and is stored in batteries/batteries as energy to drive a DC motor so that the electric ship can move stably. The goal is to be able to complete the final task. The method used in this final project uses the method of collecting data by searching for books, journals and modules related to the design title as a reference for the tool that the researcher designed. The result of this design is that the solar powered electric boat with 250 watts of power takes 59 seconds at a distance of 10 meters. 23 cm using a 50 Watt solar panel, 12 Volt Battery/Battery and 12 Volt DC Dynamo/Motor. As a boat engine and also an electric boat, this is very good as an alternative means of transportation that is environmentally friendly with no operational costs and small maintenance costs.
Sistem Pengunci Pintu Otomatis Menggunakan Sensor Fingerprint Berbasis Arduino Ardian Sumantri; La Ode Ahmad Barata; Salimin
Piston: Jurnal Teknologi Vol 7 No 2 (2022): Desember 2022
Publisher : Program Pendidikan Vokasi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (625.588 KB) | DOI: 10.55679/pistonjt.v7i2.17

Abstract

The increasing development of science and technology is marked by the rapid progress that occurs with the creation of increasingly sophisticated equipment as well as security systems such as door locks. The design of this tool aims to increase the security of the door and to increase the power of creativity, innovation and expertise. This system uses an Arduino microcontroller board that functions as a control center, a fingerprint sensor is used to open the lock from outside and an ultrasonic sensor is used to open the lock from inside the room, and this system is equipped with a conventional key as an unlocker if a problem occurs in the system. The results of testing this tool on the fingerprint sensor, the test is carried out using five fingers, where three fingers have been registered and two fingers are not registered. Two fingers that have been registered can be read and one finger that has been registered cannot be read, this can occur due to several factors such as dirty sensor fingers, incorrect finger positions and others. In the ultrasonic sensor there is no problem with the sensor. This tool has the advantage that the level of security is higher than conventional keys and has a conventional key as a backup in case of a problem with the system. This tool also has the disadvantage that it must always be connected to a power source, but in the event of a power outage, it can use batteries. Some components of this tool will also heat up if it is continuously connected to a power source but can be overcome by using a heatsink or other type of cooler.

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