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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 130 Documents
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Pembuatan Cetakan Pasir Dan Proses Pemesinan Untuk Komponen Blok Pompa Pada Mesin Pompa Air Merk Matrix Model Mtx-22c Firdaus Firdaus; Rakiman Rakiman; Nota Effiandi; Yuli Yetri
Jurnal Teknik Mesin Vol 11 No 2 (2018): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

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Abstract

Reverse Engineering (RE) is a process in manufacturing that aims to reproduce or recreate existing models, either components, sub-components, or products without using existing design documents or working drawings. Through this reverse engineering idea, the process of making the Pump Block component is started with making part and mold design, making sand casting, then finished with machining processes. The machining process that is carried out is the turning process, the milling process, and the drilling process which is assisted by using jigs and fixture to make it easier on finishing the Pump Block parts in the machining process. By using the processes, so it is produced the similar pump block that is resemble with desired original object.
RANCANG BANGUN MESIN PERAJANG PELEPAH SAWIT UNTUK PAKAN TERNAK Desmarita Leni; Zulbahri Bahar; Veny Selviyanty
Jurnal Teknik Mesin Vol 11 No 2 (2018): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

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Abstract

The design of the palm frond chopper machine for animal feed is a vocational application. The purpose of making palm frond chopper machines for animal feed is to help the community open a business field, especially the development of livestock production who grow oil palm. It is an expected that the palm frond chopper machine can help the community to improve economic output. This machine has dimensions of 600 mm x 500 mm where the working principle of the machine is to cut using a blade to accelerate the cutting process. Blade rotation is a obtained by using 3 HP motor and using pulley 5 inch as a tool to rotate the knife plate.
Hubungan Pemahaman Keselamatan dan Kesehatan Kerja (K3), Kedisiplinan Mahasiswa, dan Bimbingan Dosen terhadap Unjuk Kerja Praktik Mahasiswa Program Studi Teknik Mesin Politeknik Negeri Padang Fardinal Fardinal; Nizwardi Jalinus; Hendri Hendri
Jurnal Teknik Mesin Vol 11 No 2 (2018): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

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Abstract

The problem in this research was the low performance of student in the Practical of Mechanical Workshop Mechanical Engineering Study Program Polytechnic State of Padang in the implementation of learning practices that affected by occupational safety and health , student discipline, and guidance of lecturer. This study aims to analyze the relationship occupational safety and health, student discipline and guidance of lecturer with the student practice performance of mechanical workshop Mechanical Engineering Study Program Polytechnic State of Padang. This study was a correlational study with a quantitative approach. The population of the research is all the student of 2016 with consisted of 125 people. The sampling technique used is proportional random sampling, that 96 people as a sample and 29 people were respondents taken from the population. Data were collected through a questionnaire that had been tested for validity and reliability. The results showed that, 1) there is a strong and positive correlation between occupational safety and health with the student practice performance with rhitung (0.463)> rtabel (0,199); 2) There is a strong and positive correlation between discipline with performance of students practical with rhitung (0.479)> rtabel (0,199); 3) There is a strong and positive relationship between the guidance of lecturers with the performance of student practical with rhitung (0.451)> rtabel (0,199); 4) there is a very strong and positive together occupational safety and health discipline students and guidance of the lecturer with the performance of student practical rhitung (0.525)> rtabel (0,199).
RANCANG BANGUN MESIN AMPLAS DENGAN SISTEM MEKANIS BELT Arief Ikma Putra; Yuli Yetri; Maimuzar Maimuzar
Jurnal Teknik Mesin Vol 11 No 2 (2018): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

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Abstract

Sanding work is a stage that is carried out before entering the finishing process to remove defects and smooth the surface of the object. The main purpose of making sanding machines with this mechanical belt system is to help and simplify the sanding process. The method for making sanding machines with mechanical belt systems is: needs analysis, problem analysis and specifications, problem statements, concept design, technical analysis, work drawing and tool testing. The results of the design of the sanding machine with a mechanical belt system are obtained in the form of a design with a working drawing of a sanding machine with a mechanical belt system. The sanding machine with a mechanical belt system has specifications that are 500 mm long, 350 mm wide, and 1400 mm high. The source of driving the sanding machine with a mechanical belt system is an electric motor ¼ HP with 2800 rpm rotation. The transmission system uses pulleys. The sanding machine with a mechanical belt consists of several components, namely the engine frame, electric motor, pulleys, tables, belt aplas, and adjustment of the belt strength of the sandpaper. The belt pulley used is from ST 37 with a diameter of 25 mm and pulley rotation of 2800 rpm. Frame construction uses hollow iron measuring 40x40x3 mm from ST 37 material. The table uses 590x150 acrylic material.
Pembuatan Dan Pengujian Mesin Penumbuk Daging Rendang Suir Kapasitas 1kg/Jam Yudi Kurniawan; Junaidi Junaidi; Nofriadi Nofriadi
Jurnal Teknik Mesin Vol 11 No 1 (2018): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

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Abstract

Rendang is a typical food from Minangkabau that must be present in every custom event in Minangkabau, to improve the quality of the rendang meat, processed rendang meat is processed into processed rendang suir meat to improve the quality of its resistance. At this time the process of making rendang meat still uses a manual process which certainly does not fulfill all the desires of consumers, so the meat rending machine is made with a capacity of 1 kg / minute. This machine functions to pound rendang meat so that fiber from meat looks easier to stir. This machine aims to help the process of pulverizing the rendang meat to become flush. In this machine. The drive system is a fixed clutch, which is connected to one another. Making this frame using ST 37 iron whose dimensions are 350 mm x 550 mm x 700 mm. Whereas for the dimensions of pounding rendang suir meat is 10 mm x 200 mm x 350 mm. How it works rendang meat is placed on the bottom pounder. Then press the male clutch pedal so that there is friction between the male and female coupling so that the pulverization process occurs. After the collision results reach the desired release, step on the clutch pedal, then take the mashed meat. The making of rendang suir meat pounder machine begins with identification and field survey of whatever demands for the needs of producers of rendang suir meat. Then the next stage is the determination of several alternative planning, then the determination of the concept of planning, machine calculation, drawing the planning model.
Perencanaan Perawatan Mesin Pengupas Kulit Pinang Ihsan Putra Erizal; Yuli Yetri; Nusyirwan Nusyirwan
Jurnal Teknik Mesin Vol 11 No 1 (2018): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

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Abstract

Planner engine maintenance is an important thing to streamline the production process. Care planning for areca nut peeler has been carried out which includes the engine frame, electric motor, pulleys, V-belts, reservoirs, and spindle shaft. These components are expected to work optimally so that satisfying results are obtained. The care of the areca peeling machine consists of preventive treatments, repair treatments, total treatments. Preventive care consists of cleaning, lubrication and periodic checks. Repair treatments include blade maintenance, bearing maintenance, pulley care and belt. While total maintenance is carried out after the engine has been operating long enough. The results of treatment planning are made in the form of a treatment table. While the results of the maintenance process that has been done by the machine can operate properly and can produce maximally.
RANCANG BANGUN MESIN PUNTIR UNTUK PEMBUAT BESI TERALIS MODEL SPIRAL SPESIFIKASI BESI KOTAK 10X10X1000 mm Dicky Kurniawan; Safril Safril; Bukhari Bukhari
Jurnal Teknik Mesin Vol 11 No 1 (2018): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

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Abstract

Today the need for housing (home) is increasing. Touch of beauty and support in terms of security are widely used in the construction of the house, one of the trellis. One of the production processes in processing iron trellis is the process of forming spiral iron trellis models of a certain size, in the process special machines are needed that can alleviate, simplify, and accelerate human work. This process is also called cold work because without the heat treatment process. The specifications of the trellis iron torsion machine are 1500x500x800 mm. This machine has several driving units, namely: Motor as a driver, and reducer to reduce the rotation of the shaft on the swivel chuck, and use belt transmission and chains. From the calculation and design of the engine, the motor power of ½ Hp is obtained, the production capacity is 10x10x1000 mm, the shaft diameter is 25.4 mm. The production time of this machine is 7 times / workpiece or ± 2 minutes / Pcs or 29 to 30 Pcs / hour. This trellis iron torsion machine works well and gets a better and stronger spiral model iron box. The components contained in this machine include: Electric motors, pulleys, belts, frames, sprocket, chains, chucks, bearings and speed reducers.
Analisa Dan Perancangan Cylinder Block Mesin Compressor Tipe SDP 07-25 ¾ HP 25L Ricky Fernandez; Menhendry Menhendry; Yuliarman Yuliarman
Jurnal Teknik Mesin Vol 11 No 1 (2018): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

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Abstract

A compressor is a mechanical device used to increase fluid pressure, both gas and air pressure. The most used compressors are SDP 07-25 ¾ HP 25L compressors. Then Cylinder Block is a component inside the compressor that functions as the place where the piston and ring work to take place to do the work process, suction, compression and exhaust. The emergence of the idea of the process of reproducing Cylinder Block is so that an organization or company is able to produce independently of the Cylinder Block and to minimize costs in the production process. The most basic thing that is done for this process of reproduction / reverse engineering is by doing Machining techniques. Machining technique is the production process of a component in an easy way
Pengujian Alat Modifikasi Alternator Mobil Menjadi Listrik Rumah Naufal Noverdi; Eka Sunitra; Maimuzar Maimuzar
Jurnal Teknik Mesin Vol 11 No 1 (2018): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

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Abstract

This paper discusses the use of alternator cars into home electricity. This paper aims to overcome the energy crisis by reducing dependence on fossil energy sources by utilizing alternative energy sources or by developing technology in the form of alternator modifications, and also from this paper we can find out the optimum conditions of rotation and generating electricity. The workings of this alternator modification tool so as to produce electrical power that is using a motor as a drive connected to the alternator produced mechanical energy converted into electrical energy and from this alternator a voltage of 12 volts comes out and goes into travo to increase the voltage to 220 Volts. From the results of the testing of this final project, the effect of rotation on the production of electrical energy coming out on this alternator modification tool is if the rotation produced is high then the power output is also good and if the rotation is slowed the power coming out will also be small. The optimum condition of this test is at 1600rpm. Key words: keywords are written in 5 words which should be a subset of paper titles, written using lowercase letters except for abbreviations, and separated by comma punctuation for between words.
Rancang Bangun Konstruksi Rangka Dan Bak Penampung Alat Penyapu Jalan Muhammad Ziyad; Aidil Zamri; Zulhendri Zulhendri
Jurnal Teknik Mesin Vol 11 No 1 (2018): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

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Abstract

At this time in the process of sweeping the road still using traditional tools by janitors, for example broom sticks. One of the technologies that began to develop was the Street Sweeper machine. This Street Sweeper is a tool to help alleviate the work of janitors in terms of road sweeping. Sweeping the highway using the Street Sweeper is one of the main steps to accelerate the process of sweeping the highway with rapid traffic flow. The working principle of this machine is by utilizing thrust from humans, by means of a machine being pushed and directed to the garbage scattered on the road. Therefore it is very appropriate to use Street Sweeper to sweep the road compared to using manual tools because it can save work time

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