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All Journal Matrix : Jurnal Manajemen Teknologi dan Informatika Logic : Jurnal Rancang Bangun dan Teknologi JAMETECH Logic : Jurnal Rancang Bangun Dan Teknologi
Ida Bagus Puspa Indra
Politeknik Negeri Bali
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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ANALISA TERJADINYA KEAUSAN PAHAT BUBUT HIGH SPEED STEEL PADA PROSES PEMBUBUTAN ALUMINIUM,TEMBAGA DAN STAINLESS STEEL Ida Bagus Puspa Indra; I Made Aryana
Logic : Jurnal Rancang Bangun dan Teknologi Vol 18 No 1 (2018): March
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (434.304 KB) | DOI: 10.31940/logic.v18i1.783

Abstract

Pada proses pembubutan yg terjadi adalah pemotongan benda kerja yg diakibatkan oleh pahat bubut akibat dari gerakan potong mesin bubut, gerakan memotong pahat mengakibatkan terjadinya gesekan antara benda kerja dgn pahat bubut.Akibat dari gesekan ini akan mengakibat keausan bahkan kerusakan pada pahat bubut terutama pada bagian nose nya dan selanjutnya akan mempengaruhi kualitas hasil pembubutan terutama pada kekasaran permukaannya.Untuk mengetahui terjadinya keausan pada pahat bubut dilakukan dgn cara mengambil foto micro dan dilanjutkan dengan Scanning Electron Microscopic(SEM) pada setiap pahat yg digunakan untuk membubut aluminium, Tembaga dan stainless steel. Foto micro diambil sebelum dan sesudah proses pembubutan dilakukan, dengan cara membandingkan foto micro sebelum dgn seusudah proses pembubutan akan terlihat ada tidaknya keausan yg terjadi pada pahat bubut.Pahat bubut yang terbuat dari bahan high speed steel mengalami keausan flank wear pada putaran mesin (n)=1500 rpm,,feeding(f)=0,0596 m/rev, dept of cut(doc)=0,25 mm, dengan roughnes surface(Ra)=5,41 µm,
ANALISA PENGARUH JENIS PAHAT BUBUT TERHADAP KEKASARAN PERMUKAAN TEMBAGA PADA PROSES PEMBUBUTAN MESIN COMPUTER NUMERICAL CONTROLLED (CNC) Ida Bagus Puspa Indra; I Gede Oka Adnyana
Matrix : Jurnal Manajemen Teknologi dan Informatika Vol 4 No 3 (2014): MATRIX - Jurnal Manajemen Teknologi dan Informatika
Publisher : Unit Publikasi Ilmiah, P3M Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (441.268 KB)

Abstract

Ada beberapa faktor utama yang dapat mempengaruhi kualitas pembubutan logam pada mesinComputer Numerical Controlled (CNC) khususnya Tembaga (Copper),diantaranya ditentukan oleh jenis pahat bubut yang digunakan, terdapat tiga jenis pahat bubut di pasaran yaitu : High Speed Steel(HSS), Boron Karbida, dan Diamond (Polycristaline Diamond).Oleh karena sifat-sifat kimia dan fisik High Speed Steel, Boron Karbida dan Diamond tersebut diatasberbeda, maka kekasaran permukaan yang dihasilkanpun berbeda. Sangatlah penting bagi para praktisi dan programmer CNC untuk mengetahui pengaruh jenis pahat bubut yang digunakan terhadap kekasaran permukaan yang dihasilkan pada proses pembubutan Tembaga.Dari ketiga jenis pahat bubut yang digunakan untuk membubut Tembaga, menunjukan bahwa kekasaranpermukaan atau surface roughness (Ra) yang paling kecil dapat dihasilkan oleh pahat jenis PolycristalineDiamond, yaitu pada putaran mesin (N)= 1500 [ rpm], kecepatan potong(Vc)= 89 [ m/mnt] dan depth of cut(DOC)= 0.25 [mm] dapat menghasilkan kekasaran permukaan (Ra)= 0.71 [ μm.]
The effect of replacing standard carburetor with PE-28 carburetor on performance fuel consumption on 2006 Honda Tiger Revo I Nengah Ludra Antara; I Nyoman Sutarna; Ida Bagus Puspa Indra
Journal of Applied Mechanical Engineering and Green Technology Vol. 2 No. 3 (2021): November 2021
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (359.965 KB) | DOI: 10.31940/jametech.v2i3.97-101

Abstract

Carburetors are one of the important components on motorcycles, through modification of replacing Standard Carburetor with Racing Carburetor is one of the ways to improve engine performance. There are several types and sizes of PE, namely PE 24, PE 28, PE 38. PE 28 carburetor is often used on racing motorbikes, both Drag bikes and Roodrace bikes, where this carburetor is able to produce maximum engine performance. By testing the maximum power using a standard carburetor found at 7000 rpm engine speed, which is 11.3 HP, while the maximum power testing using a PE 28 carburetor is found at 7000 rpm engine speed, which is 11.7 HP. For testing the maximum torque using a standard carburetor found at 6000 rpm engine speed, which is 11.7 N.m, while the maximum torque testing using a PE 28 carburetor is found at 7000 rpm engine speed, which is 11.8 N.m. The use of PE 28 carburetor on a 4 stroke motorcycle greatly affects the amount of fuel consumption, it is because the PE 28 carburetor is a racing carburetor that is very suitable for those who want top speed. In addition, the advantage of the PE 28 carburetor is that it is able to improve engine performance because the type of carburetor is different from the standard and there are changes in the dimensions of the venturi hole and intake manifold, so that it can fog up more air and fuel to be brought into the combustion chamber or into the engine cylinder.
SIMULATION DESIGN OF AUTOMATIC SLIDING GATE CONTROL DEVICES I Nengah Ludra Antara; I Nyoman Sutarna; Kadek Agus Mahabojana D.P.; Ida Bagus Puspa Indra
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 22 No. 2 (2022): July
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2625.219 KB) | DOI: 10.31940/logic.v22i2.140-146

Abstract

The gate is a means of dividing the land between the house and the road. The gate also serves for security and comfort as a place to live. As a home security, the gate is made high and equipped with a safety lock. With a gate, you will feel comfortable because other people who come can't enter the house directly, and it's often difficult or overwhelmed when opening or closing the gate. In the case of a gate that has a large size and is also heavy, this will overwhelm us so that a lot of energy and time is needed. The automatic gate control device designed is an electric motor that makes it easier for people to open or close the gate by remote control while at home or at work. Based on the results of the design that has been made, the simulation of the automatic sliding gate control device is expected to solve the problems encountered in the field where the dimensions of the gate are 1500mm x 1000mm x 80mm with a weight of 27kg, the electric motor used is reversible AC which has a speed of 1300 RPM, a power of 60 watts and a 1: 60 gearbox which has become 1 part, the speed of the electric motor is transmitted by a gear with a diameter of 78mm, so that the average gate opening and closing speed is 12.52 and 13.21s with a difference of 0.69s, with the The controller used is the AK-T02 module and the AKJ027 remote can work up to a distance of 10 m. It is hoped that making this control device simulation can be a reference in making automatic gate control devices for homes and other gates.
EXPERIMENTAL STUDY OF THE EFFECT OF REACTOR TEMPERATURE RECONSTRUCTION ON FUEL CONSUMPTION AND DISTILLATE QUANTITY Ida Bagus Puspa Indra; I Made Anom Adiaksa; Gusti Ngurah Ardana
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 22 No. 2 (2022): July
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (555.912 KB) | DOI: 10.31940/logic.v22i2.174-178

Abstract

Temperature is a measure or degree of hotness or coldness of an object or system which is defined as a physical quantity that is divided between two or more objects that are in thermal equilibrium. The second law of thermodynamics states that there is no reversible process in which heat flows naturally from a high-temperature object to a low-temperature object, and not vice versa. Heat is energy that is transferred due to a temperature difference. This heat transfer always occurs and the process stops until thermal equilibrium occurs. In a high temperature distillation column, the distillate fluid will tend to be at the top and the bottom will tend to be cooler even though the heat treatment is carried out at the bottom. Thermal equilibrium is reached in a relatively long time because the distillation system is open. The addition of the pump aims to reconstruct the temperature so that it reaches thermal equilibrium more quickly. The process is carried out for 60 minutes using 25 liters of raw materials of the same quality and the temperature is set at 90 degrees Celsius. The average temperature difference in the reactor is 86.11%, the decrease in fuel consumption is 30.3%, and the increase in distillation quantity between the reactor without a pump compared to the reactor with a pump is 16.67%.
Cutting Speed Analysis of Organic Waste Chopping Machine Fly Wheel Model Level Control I Putu Darmawa; I Nengah Ludra Antara; I Nyoman Sutarna; Ida Bagus Puspa Indra; I Nyoman Gunung
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 23 No. 2 (2023): July
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v23i2.121-130

Abstract

This machine is used to chop leaves, twigs and branches into very small pieces, to avoid the bad smell due to the decay of organic waste and can be used as compost. The amount of cutting speed on the organic waste chopping machine with a chopping time of 2.5 kg of ketapang leaves is the average time obtained without fly wheels 2.0 minutes and with fly wheels 1.7 minutes, a time difference of 0.3 minutes. The chopping time of 2.5 kg of ketapang branches with an average time obtained without a fly wheel of 2.2 minutes and with a fly wheel of 2.0 minutes, a time difference of 0.2 minutes. The chopping time of teak branches is 2.5 kg with an average time obtained without a fly wheel of 2.6 minutes and with a fly wheel of 2.0 minutes, so the time difference is 0.6 minutes. So the cutting speed using a fly wheel is better. The results of the productivity obtained on the organic waste chopping machine, for the results of leaf chopping productivity without a fly wheel of 48% and those using a fly wheel of 58%, and the results of leaf chopping with a fly wheel are 10% more productive, for the productivity of chopping twigs without a fly wheel of 44% and those using a fly wheel of 49%, so the results of chopping twigs with a fly wheel are 5% more productive, and the results of chopping branches without a fly wheel of 37% and those using a fly wheel of 49%, so the results of chopping branches with a fly wheel are 12% more productive.
Co-Authors Gusti Ngurah Ardana I Gede Oka Adnyana I Made Anom Adiaksa I Made Aryana I Nengah Ludra Antara I Nyoman Gunung I Nyoman Sutarna I Putu Darmawa Kadek Agus Mahabojana D.P.