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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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Pembuatan Ragum Mini Bagian Rahang Tetap dengan Metode Pengecoran Logam sebagai Cinderamata Zulhendri Zulhendri; Fadillah Hanum; Mulyadi Mulyadi; Asmed Asmed; Aidil Zamri
Jurnal Teknik Mesin Vol 16 No 1 (2023): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.16.1.877

Abstract

Mini vise is a tool to hold a relatively small object. Mini vise also have another function as a souvenirs. This design purpose is to design the mold of mini vise which is simple and effective. Doing the calculation in the procces of making the fix component of the mini vise and doing analysis the effect of mold slope in the procces of casting. The mold material is mildsteel and the case material is aluminium. There are 3 mold for fix component with different inclination angle which are 1̊, 2̊, 3̊. The best cast result is the mold with 3̊ angle. And can be concluded that bigger angle make the take out procces of the result easier.
Perancangan Mesin CNC Acrylic Cutting 3 Axis Dengan Menggunakan Laser Tube CO2 Elvando andha elvaris manalu; Asmed Asmed; Mulyadi Mulyadi; Yuliarman Yuliarman; Ruzita Sumiati
Jurnal Teknik Mesin Vol 16 No 1 (2023): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.16.1.880

Abstract

Almost all activities are carried out with the help of technology. It is as if technology has become a basic need for human life today. Of all the areas that have made progress, machinery is the one that has had the greatest effect. Lots of machines have emerged with new innovations with very diverse functions, one of which is the Computer Numerical Control (CNC) machine. A CNC machine is a machine used in the manufacturing industry to quickly produce large quantities of components for the engineering sector. As the name of the CNC itself, every work from CNC uses a computer system that has been well formed to produce goods that are in accordance with what is desired. Departing from some of the problems above, the author concluded to make a similar technology at a much cheaper price with a more practical work system, therefore the author made a 3 Axis Acrylic Cutting CNC Machine Using a CO2 Laser Tube".
Efisiensi Rem Kendaraan Bermotor Mitsubishi L300 Tanpa Beban Dengan Variasi Persentase Tekanan Angin Ban Muchlisinalahuddin Muchlis nalahuddin; Sagyta Yeniza Putri; Riza Muharni; Dedi Wadianto; Desmarita Leni
Jurnal Teknik Mesin Vol 16 No 1 (2023): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.16.1.896

Abstract

This study aims to analyze the effect of differences in tire pressure on brake testing at the Unit Pelaksana Teknis Daerah (UPTD) Motor Vehicle Testing, Solok Regency, the implementation of this analysis is to find the efficiency and deviation of the braking force on the tool. Test Brake Tester as well as the condition and calibration of the Brake Tester optimally so that the results of the test equipment are accurate so as to reduce errors in the test results. This research was conducted at the Motor Vehicle Testing Building, Solok Regency, with this research it is expected to be able to find the effect of differences in tire pressure on the efficiency and storage of the braking force. From the analysis that has been carried out, it can be concluded that different tire pressures affect the efficiency and deviation of the braking force on the Brake Tester, so it is necessary to check the tires regularly and once a year calibration of the test equipment must be carried out correctly.
Perancangan Mesin Pemutar Gerabah Dengan Kekuatan Tumpuan Maksimal 10 kg Sir Anderson; Yazmendra Rosa; Khairul Amri; Maimuzar Maimuzar; Hendra Hendra; Aqli Ridawansyah
Jurnal Teknik Mesin Vol 16 No 1 (2023): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.16.1.980

Abstract

Pottery is an art craft made from clay which besides having a high use value also has a pretty good aesthetic value. Pottery craft business has existed in Indonesia since ancient times until now. This business has a deficiency in the production machine part, where the production machine still uses human power as the main driving force during the rotation during the pottery making process. Therefore, a modification of a better pottery turning machine is needed to support the pottery craft business. The design of this pottery turning machine uses a working drawing design of a pottery turning machine product with a rotating speed that can be adjusted according to work requirements via a speed control pedal. The pottery turning machine has a strong construction with machine specifications of length 760 x width 400 x height 700 mm, with the addition of 2 pulleys with a first pulley diameter of 2.5 inches, and a second pulley diameter of 12 inches with a connecting belt using type A-57. And by using umbrella gears with a ratio of z1 = 25 and z2 = 50 with a maximum pedestal capacity of 10 kg.
Analisis Sifat Mekanik Pada Material Standar Paduan COR ALSi10Mg(b) Dari Skrap Aluminium Titiek Deasy Saptaryani; Yuli Nurasri; Budi Santoso; Mulianti Mulianti
Jurnal Teknik Mesin Vol 16 No 1 (2023): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.16.1.986

Abstract

The metal industry in Tegal Regency is classified into ferrous and non-ferrous metal industries. The shipping component industry is the leading producer of the non-ferrous metal industry. The problem faced by the non-ferrous metal processing industry, especially the Small and Medium Industry ship components is the availability of standard materials as raw materials at affordable prices. Instead, SMEs use scrap material to reduce selling prices, as a result of which product quality does not meet the required specifications. This research made 2 (two) formulas of AlSi10Mg(b) from an aluminum scrap mixture where AlSi10Mg(b) is one of the standard materials of cast aluminum alloy recognized by Biro Klasifikasi Indonesia (BKI). The study aimed to recommend raw material formulas to SMEs to ship components to make products according to BKI standards. The research began by collecting a database of aluminum scrap composition, then simulating calculations with an Excel program to obtain theoretical chemical composition so that the need for aluminum scrap was produced. The two standard material formulas of AlSi10Mg(b) are made from different main scrap where formula 1 is the piston, and formula 2 is the brake lining with the supporting scrap is the pan, aluminum elbow, and aluminum plate as well as the AlSi49 and AlMg20 master alloys. The simulation results are then cast with the sand-casting method. The cast results are made of specimens testing chemical composition and hardness. The results of the chemical composition test show that both formulas are in accordance with the conditions of AlSi10Mg(b) cast alloy, namely the percentage of Silicon (Si) and Magnesium (Mg) in formula 1 is 9.16% and 0.39% while formula 2 is 10.69% and 0.22%. Both formulas are still with Copper (Cu) content that still exceeds the limit of above 0.1%. The hardness value has met BKI standards above 50HBN.
Analisis Performa Sistem Pendingin Mesin Mini Water Chiller Riza Muharni; Suryadimal Suryadimal; Agus Afrianda; Kaidir Kaidir; Wenny Martiana; Dytchia Septi Kesuma
Jurnal Teknik Mesin Vol 16 No 1 (2023): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.16.1.1063

Abstract

Chiller adalah mesin refrigerasi yang fungsi utamanya mendinginkan air pada sisi evaporator. Air kemudian dialirkan ke AHU (Air Handling Unit) untuk didinginkan dan dihembuskan ke dalam ruangan. Penghapusan panas atau panas dimulai di evaporator. Mesin ini memiliki keunggulan lebih hemat energi dan digunakan untuk mendinginkan gedung bertingkat. Penelitian ini bertujuan untuk merancang dan membangun chiller berkapasitas 6 KW, menggunakan sistem kompresi uap dengan komponen utama kompresor, kondensor, katup ekspansi dan evaporator. Untuk mesin ini, kompresor yang digunakan adalah kompresor Bristol, round tube condenser - continuous fin compact heat exchanger coiled tube evaporator, nominal diameter ¼ inch, TC-70 capillary tube sebagai Expansion valve. Air didinginkan dari suhu 25 – 18 oC dengan mensirkulasikan air dengan pompa dengan debit aliran 10 l/menit, dan fluida kerja yang digunakan adalah R-404. Tujuan dari penelitian ini adalah manganalisa bagaimana efek beban pendingin terhadap kinerja mesin sistem pendingin, meliputi kapasitas refrigerasi, daya kompresi serta berapa besar Coefisien Of Performance (COP) pada mesin mini Water Chiller.
Rancang Bangun Alat Tekuk Pembuat Begel Portabel Dan Perbandingan Kecepatan Produksinya Dengan Alat Tradisionil Zulhendri Zulhendri; Yuliarman Yuliarman; Aidil Zamri; Asmed Asmed; Nota Effiandi
Jurnal Teknik Mesin Vol 16 No 1 (2023): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.16.1.1080

Abstract

Begel or sekang is a longitudinal reinforcing ring to hold the shear stress that occurs in a concrete column or pillar, the putel is placed so that each longitudinal reinforcement is held so as not to bend out. So far, begel are made by sticking a shaft iron into a wood and then begel the iron manually, until it is obtained as needed. Traditional bending tools like this are inefficient because they require more energy to bend them and cannot be carried. Therefore it was designed and made PORTABLE BEGEL MAKING BENDING TOOLS. To test the speed of this tool compared with traditional bending tools. From the results of statistical tests it was concluded that the portable buckle making buckle tool is faster than the traditional buckling tool. This portable buckling device is designed more simply so that it can be carried anywhere and is easily made by construction workers.
Perancangan Mesin Penyangrai Kopi Tipe Rotari Berbasis Mikrokontroler Arduino Aidil zamri
Jurnal Teknik Mesin Vol 16 No 1 (2023): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.16.1.1081

Abstract

Coffee is one of Indonesia's leading export commodities in the agricultural sector. Good coffee quality makes Indonesia one of the largest coffee exporting countries in the world. The process of making coffee involves many stages or processes, from harvesting to producing coffee grounds. One of the important stages in coffee production is the process of roasting the coffee beans. This study aims to design a rotary type coffee roaster based on Arduino Microcontroller. The working principle of this machine is to control the temperature and rotation of the roasting cylinder using the Arduino Uno as the controller for the temperature sensor and motor. The method used in this study is the design method, namely the design calculations are carried out on the supporting elements of the coffee roaster machine. From the design, the engine specifications are obtained with a cylinder size of 500 mm long, 130 mm radius, maximum rotation of 80 Rpm, 1HP electric motor and 28 mm shaft size.
Pengaruh Penggunaan Catalytic Converter Kuningan Terhadap Emisi Gas Buang Mobil Antasari Evo I Muhammad Nizar Ramadhan; Muhammad Adha; I. B. Nyoman Bayu Sivanatha; Muhammad Irza Irawan
Jurnal Teknik Mesin Vol 16 No 1 (2023): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.16.1.1084

Abstract

Vehicles are a means of transportation used by humans to support their daily activities. Its growth rate is getting higher, making this situation one of the causes of air pollution. One of the options in reducing dangerous motor exhaust emissions is to use a catalytic converter. Catalytic converter is a device that is installed in the exhaust channel of vehicles. The purpose of this study was to determine the effect of using a catalytic converter with a 2 mm thick brass plate material on the exhaust emissions of CO2, CO and HC in the Antasari Evo I. The test was carried out by comparing the exhaust emissions produced by the standard exhaust and the exhaust that was installed with a catalytic converter based on variations in engine idle speed, 2000 rpm, 2500 rpm and 3000 rpm. From the results of the study it was found that the effect of using a catalytic converter with brass plate material placed on the exhaust gas channel can reduce the maximum CO2 emission level by 42,85%, reduce the maximum CO2 emission level by 83%, and reduce the maximum HC emission level by 18,4 %.
Optimasi Bagian Lifting Mesin Shrink Dalam Rangka Menurunkan Downtime Pada Unit Packing Produk Frendy Syah Putra Sembiring; Edilla Edilla
Jurnal Teknik Mesin Vol 16 No 1 (2023): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.16.1.1090

Abstract

Kaca merupakan material yang banyak ditemui dikehidupan sehari-hari, yang biasanya berupa botol, glassblock, kaca mobil, kaca lembaran dan berbagai macam produk kaca lainnya. Proses produksi kaca terdiri dari beberapa tahapan, mulai dari pencampuran bahan baku, peleburan, pencetakan, pendinginan, pengecekan kualitas, dan packing sebelum sampai kepada customer. Proses packing sangat berpengaruh untuk menjaga kualitas botol dari cacat dan kotoran. Mesin yang berfungsi untuk melakukan packing adalah mesin Shrink. Terdapat masalah pada mesin Shrink yang mengakibatkan downtime dan pallet roboh berefek membuat botol reject yang membahayakan pekerja. Berdasarkan report trouble, trouble lifting mesin shrink menyebabkan downtime sebesar 820 menit dan menghasilkan botol reject sebesar 6407 pcs. Salah satu penyebabnya adalah kayu pallet yang jebol ketika diangkat oleh lifting mesin Shrink, dan trouble pada sistem hidrolik. Jika terus dibiarkan maka akan mengganggu proses produksi di departemen packing. Setelah dilakukan Improvement, didapatkan hasil sebagai berikut: Downtime Mesin Shrink berkurang, yang awalnya 820 menit menjadi 0 menit. Tidak ditemukan terjadinya Pallet yang roboh, sehingga Jumlah botol Reject yang awalnya sebanyak 6407 pcs berkurang menjadi 0 pcs. Tidak terjadi kendala keterlambatan saat pengiriman Produk akibat downtime lifting mesin shrink, dibuktikan dengan menurunnya tingkat downtime sebesar 100%.

Page 11 of 21 | Total Record : 204

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