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INDONESIA
Jurnal Teknik Mesin
Published by Politeknik Negeri Padang
ISSN : 18298958     EISSN : 26555670     DOI : -
Core Subject : Science, Engineering,
Automotive Engineering Energy Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Teknik Mesin adalah sebuah jurnal peer review yang didedikasikan untuk publikasi hasil penelitian yang berkualitas dalam bidang teknik mesin.
Arjuna Subject : -
Articles 204 Documents
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Perancangan Mesin Pencuci Karpet Menggunakan Tabung Cairan Deterjen Anissa Vivia Fidela; Dandi Ilham; Haris Haris; Ruzita Sumiati; Yuliarman Yuliarman; Yuli Yetri
Jurnal Teknik Mesin Vol 15 No 1 (2022): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.15.1.798

Abstract

Carpet washer is a machine that is used to help complete work in the laundry industry. By using this carpet cleaning machine, cleaning carpets is fast and easy. The purpose of designing this carpet washing machine is a form of innovation and creativity based on technological developments. This machine is made with an additional tube of liquid detergent to make work easier and increase efficiency. The initial method of designing this carpet washing machine is to collect data. Next is the calculation and design. The results of the design of this carpet washing machine obtained a motor power of 1.5 HP and a rotation of 1400 rpm, with a height of 1020 mm, a length of 745 mm and a width of 345 mm using a type-A belt transmission, pulleys with a diameter of 2” and 6”, a shaft diameter of 19 mm, the type of bearing used is UCF F212 type, has a cleaning brush and uses a liquid detergent tube. The design of this carpet washing machine has been made based on the correct design and calculation and can be continued for production.
Evaluasi Pelaksanaan Overhaul Pabrik Indarung VI Pada Masa Pandemu di Tahun 2020 Ridwan Muchtar; Benny Dwika Leonanda
Jurnal Teknik Mesin Vol 15 No 1 (2022): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.15.1.799

Abstract

Overhaul activity is one periodic maintenance by the company to recondition production equipment in order tooperate with high avaibility and realibility. Overhaul activities can also be referred to as project based on a series of work that occirs unique, complex, done in a certain period of time and resources. This factory overhaul project must be completed on time, according to quality and cost as well as zero accident. In connection with the condition of the Covid-19 pandemic, the work is carried out with the Covid-19 health protocol so that ts doesnot become a source of new spread. In this paper will be discussed the implementation of the overhaul of theplant Indarung VI Year 2020 in the pandemic, starting from the stages of planning, preparation, implementation and evaluation (feedback). The realization of work time experienced delays of 2,68 days, quality according to standards and with the realization of a greater cost of Rp. 2.22 Billion. During the overhaul project there were 3 cases of work accidents and there were no additional cases of Covid-19 in the workforce involved in the project.
Rancang Bangun Mesin Cetak Centrifugal Casting untuk Pembuatan Pipa Komposit Geopolimer Jamiatul Akmal; Arisandi Arisandi; Ahmad Suudi; Asnawi Lubis; Novri Tanti
Jurnal Teknik Mesin Vol 15 No 1 (2022): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.15.1.800

Abstract

In the field of materials engineering, various types of advanced materials have been found. This must also be accompanied by technological advances in the production process. Centrifugal casting is an effective method for casting cylindrical objects such as pipes and pressure vessels. In this research, a centrifugal casting machine is designed and made. The design process follows the steps proposed by Pahl and Beitz, starting from requirements identification, concept design, layout and analysis to the fabrication method. Furthermore, this machine was tested for casting geopolymer composite pipes. From the test results it is stated that this machine works well and can cast pipe samples at various speeds. Furthermore, the sample is cut into a three-point bending test specimen. From the test results obtained bending strength of about 50 MPa (1500 rpm tube rotation) and about 36 MPa (1200 rpm tube rotation). Thus, it is concluded that the higher the tube rotation, the higher the quality of the resulting product.
Pembuatan Mesin Pengiris Singkong Pada Usaha Industri Rumah Tangga Dengan Kapasitas 40kg/Jam Sir Anderson; Khairul Amri; Harfardi Harfardi; Rama Pranata
Jurnal Teknik Mesin Vol 15 No 2 (2022): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.15.2.789

Abstract

In this paper, the quality and quantity of sliced cassava chips are improved by design a new slicer machine. The strategy of increasing production capacity is by using an electric motor to drive a chopper blade that makes the faster cutting speed. Meanwhile, the blade is attached to affixed shaft to ensure an even cut. The machine is mainly composed of frame, the feed inlet, chopper blade, motor, v-belt and pulley as transmission part. The slicer machine operates in the following ways: a peeled cassava is pressed into the feed inlet, then the high speed rotating cutter will cut the material into slices, finally the slices drops from the outlet. A fabrication of the machine starts with 1. design technical drawings of the slicer machine using Catia V5R21, 2. manufacturing the frame, shaft, feed inlet and outlet, 3. assembly of all components such as: chopper, bearings, shaft, pulley, feed inlet, cover, motor 1,25 hp 1400 rpm and v-belts. The results of performance test of the slicer machine have actual capacity is 40 Kg/hour with a flatness of 3-4 mm.
Studi Analisis Pengaruh Temperatur Terhadap Ketebalan Pada Proses Pengeringan Ubi Gaplek Ozi Alvindo; Roni Novison
Jurnal Teknik Mesin Vol 15 No 2 (2022): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.15.2.847

Abstract

This analytical study aims to determine the effect of temperature on the thickness of cassava pieces. This test has 3 parameters, namely 3 variations in the thickness of cassava pieces (3 mm, 4 mm, 5 mm), 3 variations in drying temperature (40 °C, 60 °C, 80 °C), and 3 variations in drying time (120 minutes, 240 minutes and 360 minutes) using a dry cassava cassava oven and using a heat source from 2 heaters with a power of 800 Watt. The Drying Oven used has 3 shelves, each rack has a capacity of 5.76 kg in one drying. This research shows that the best parameters for drying cassava with a capacity of 500 g are 3 mm, 80 °C, 240 minutes and the second parameter is 3 mm, 60 °C, 360 minutes. The results of the parameters of 3 mm, 80 °C, 240 minutes with an initial weight of 500 gr using a heater were able to make the initial water content of sweet potatoes from 32.175% to 6.708%. The results of the thickness parameters of 3 mm, 60 °C, 360 minutes using a heater were able to make the initial water content of sweet potatoes from 32.175% to 7.20%. The results of the parameters 3 mm, 60 °C, 360 minutes were able to make the initial water content of sweet potatoes from 32.175% to 5.23%. The Taguchi method was used for the experiment. The results of this study indicate that during the drying process the air changes process, and changes in weight on the sweet potato pieces. The higher the temperature and the longer the drying time, the lower the water content along with the increase in cassava pieces
Rancang Bangun Alat Penyapu Lantai Semi Mekanik untuk Kampus Universitas Muhammadiyah (UM) Sumbar Firman Sandhy; Armila Armila; Rudi Kurniawan Arief
Jurnal Teknik Mesin Vol 15 No 2 (2022): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.15.2.854

Abstract

Sweeping the floor is not a hard job, sweeping activities will be hard and take up a lot of time if the area to be worked on is very large like in UM-West Sumatra. To simplify and save time, it is necessary to innovate a floor sweeper. The push system floor sweeper is a form of innovation that facilitates the process of sweeping the floor. In this study a thrust system floor sweeper was designed and manufactured. The design process begins with identification of needs, concept design, design and analysis using the fabrication method, then this tool is tested in a room of 35.28 meters, 61.2 meters and 122.4 meters. From the trials conducted, it was found that the floor sweeper functions properly and can clean large and spacious rooms with 50% efficiency. Thus it can be concluded that a floor sweeper can simplify the process of sweeping the floor by 50% compared to an ordinary broom.
Rancang Bangun Mesin Pencetak Bakso Nofrinaldi Saputra Saputra; Muchlisinalahuddin Muchlisinalahuddin; Armila Armila
Jurnal Teknik Mesin Vol 15 No 2 (2022): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.15.2.859

Abstract

This research to design a smaller and easy to operate meatball maker machine. This design will simplify, speed up and minimize the energy expended in the meatball maker machine. Simulation of frame strength using Solidwork 2018. The simulation value of von Mises stress on the frame is with a maximum stress of 10,550,430.00 N/m2 and a minimum of 90,629 N/m2 with a yield strength of 250,000,000.00 N/m2. Displacement in the simulation of displacement is with a maximum value of 0.154 mm and a minimum of 0.000 mm. The value of the safety factor from the simulation results is 24. Static simulation results of the strength of the meatball printing machine frame using ASTM A36 Steel L 30 mm x 30 mm 3 mm thick with a load of 25 kg, the frame is able to withstand engine performance during operation.
Analisis Rancangan Rangka Kompor Hemat Energi Berbahan Bakar Air muhammad rifqi aditya; Armila Armila; Rudi Kurniawan Arief
Jurnal Teknik Mesin Vol 15 No 2 (2022): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.15.2.888

Abstract

Analysis of the design of this energy-efficient stove for distributing the results from the HHO (Hydrogen Hydrogen Oxygen) generator and turning this HHO into a fire. The purpose of this analysis is to determine the strength of the stove frame with the maximum load it can accommodate. This stove is made with a design and structure that is larger in scale with new innovations that combine metal materials and concrete materials where the two materials are combined to create a sturdy and strong stove structure, the structure of this stove is innovated from the stove in general. The result of the force diagram shows that the bending stress of the weld seam is smaller than the allowable stress of the material, namely: wb = 8, 03×10-3 180 N/mm2. Therefore the stove is safe to use.
Pengaruh Fraksi Volume dan Orientasi Serat Pada Komposit Hibrid Berpenguat Serat Gambas serta Eceng Gondok Terhadap Kekuatan Bending Rizki Ramadoni; firdaus firdaus; Romli Romli; Sailon Sailon; A. Pramudya AFG; Muhammad Nugraha
Jurnal Teknik Mesin Vol 15 No 2 (2022): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.15.2.891

Abstract

Wood is increasingly difficult to obtain due to the use of excess wood. Many efforts were made to replace wood, one of which was composite material. This study aims to determine the most optimal bending strength with the influence of variations in volume fractions and fiber orientation in hybrid composites with luffa fibers and hyacinth fibers. In making composites using the hand lay-up method with alaklization treatment on gambas and hyacinth fibers using 5% NaOH which is varied with the volume fraction used in this study with the ratio of resin: hyacinth: gambas is (60%:20% :20%),(70%:15%:15%), as well as (80% :10%:10%) and the orientation of the fibers with the arrangement of the luffa / hyacinth / luffa layer is (0°/ 45 °/ 90°), (0˚/45˚/0˚), (90˚/0˚/90˚). Bending testing was performed with ASTM D790 standard and hypothesis testing using the two-way ANOVA method. From the results of bending testing, the most optimal strength value was found, which was 43.33 N / mm2, where the value was not higher than the bending strength value in the multiplex, which was 17.53 N / mm2. Meanwhile, the results of hypothesis testing are that there is an influence on the volume fraction factor, the direction of fiber orientation and the interaction with bending forces.
Perancangan Alat Pencetak Brown Sugar Cube Menhendry Menhendry; Aan Ibadurrahman; Nurwahyu Aryo Anggono; Fardinal Fardinal; Haris Haris
Jurnal Teknik Mesin Vol 15 No 2 (2022): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.15.2.895

Abstract

Palm is a type of palm whose potential for high economic value and can thrive in Indonesia. Nagari Andaleh Baruh Bukik is an area in Tanah Datar District that is a center of palm crop production and has the potential to be developed by its economy. Seeing a promising market, the idea was born to process ant sugar into brown sugar cubes by making a brown sugar cube printer. The manufacture of brown sugar cubes using the manual press method with a pressing system utilizes the principle of the 2nd type of leverage, where the load point is between the power point and the fulcrum. This pressing system works if the lever is pulled by the operator according to the specified depth limit, to restore the position of the lever to its original position is to take advantage of the spring force. It takes about 392 N to press the mold. By doing the calculation so that a mechanical profit is obtained 3 times, the total force required to press is 130.6 N. The safety factor equation is 69.76 N/mm2 ≤ 200 MPa with the largest curved moment being 130.87 N/mm2, so this tool is safe and will not be bent. Power arm length: 34.5 cm, weight arm length: 11.5 cm. Designing components and assembling brown sugar cube printers using the SolidWork application.

Page 9 of 21 | Total Record : 204

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