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Jurusan Teknik Mesin Fakultas Teknologi Industri Institut Teknologi Medan Jl. Gedung Arca No. 52 Medan Sumatera Utara 20217
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Jurnal Ilmiah Teknik Mesin "MEKANIK"
Published by Institut Teknologi Medan
ISSN : 24431184     EISSN : 25810235     DOI : -
Core Subject : Science, Engineering,
Automotive Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
MEKANIK adalah Jurnal Ilmiah Teknik Mesin yang terkait dengan bidang teknik mesin atau bidang lain yang digunakan untuk mendukung kegiatan usaha, pendidikan, pelatihan, dan penelitian dalam bidang teknik mesin dalam bentuk karya ilmiah.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 7 Documents
 1 
Search results for , issue "Vol 3 No 1 (2017): Mei 2017" : 7 Documents clear
PROSES PEMBUATAN MESIN PENYERUT UBI JALAR UNTUK CEKER KREMES KAPASITAS 30 KG/JAM erwanto, Agus; Nurdiana, Nurdiana
MEKANIK: Jurnal Ilmiah Teknik Mesin Vol 3 No 1 (2017): Mei 2017
Publisher : Jurusan Teknik Mesin, Fakultas Teknologi Industri, Institut Teknologi Medan (ITM)

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Abstract

This sweet potato wrapping machine is a tool to help the community in sweet potato shrinkage to facilitate the processing process and improve the production process. In its operation, the sweet potato wrapping machine is assisted by several main components, namely: shaft, made using a grating machine, grinding wheel, lathe, manufacturing time (0.45 hours), shaving blade, made using a lathe, hand drill, welding, length of manufacture (9.37 hours) and the frame is made using a machine saw, drill, weld grinding machine, length of manufacture (6.57 hours). The role of the main component is very important, because it needs to be done in a good design and one of them is in terms of shrinkage, where the shaving knife must be able to drag sweet potatoes well and time faster. The purpose of sweet potato shrinkage is to identify materials and models, choose machine tools and tools, plan work steps, analyze the processing time and make a time schedule for each component so that in making this sweet potato wrapping machine works well. From the results of the processing time obtained the fastest time and the longest time the shaft making process (27.37 minutes) while the longest time in the manufacture of shear blade (9.37 hours) by analyzing the results of actual manufacturing time for 24.82 (hours).
ANALISA UJI KINERJA MESIN PENGAYAK PASIR MENGGUNAKAN PIRINGAN AYAK DENGAN METODE GERAK EKSENTRIK KAPASITAS 1 M3/JAM Irfandi, Irfandi; Sutrisno, Franky; Eswanto, Eswanto; jufrizal, Jufrizal
MEKANIK: Jurnal Ilmiah Teknik Mesin Vol 3 No 1 (2017): Mei 2017
Publisher : Jurusan Teknik Mesin, Fakultas Teknologi Industri, Institut Teknologi Medan (ITM)

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Abstract

Sand is a material that is very much needed for building materials. This sand material may still be mixed with stones or gravel. To get this fine sand material, the process of pengayaka is carried out. Characteristics of sand are dry sand, half wet sand, wet sand. In terms of HR, this perpetuation process still requires relatively large time and costs. Sand sieving machine using a sieve disk device with eccentric motion method after the speed is made must still be solved, for example the machine has answered the problem above. Because good results will certainly increase the value of work as well as vice versa. This measurement is done to determine the production capacity, power at the time of sifting sand, and sand density. From the test results obtained on the type of dry sand density of 1.414 kg/liter total capacity of 3.132 m3/hr, type of half sand wet density 1,551 kg / liter total capacity 1,461 m3 / hour, type of wet density 1,651 kg /liter total capacity 0,791 m3/hour. From the results of electromotor testing, it was obtained a power of 170 Watt. No-load testing obtained power of 452.83 Watt, capable of providing 454.59 Watt of power for testing with dry sand loads. Where as for testing with half-wet sand load produces 458.01 Watt of power, and to calculate with wet sand load the power is 463.32 Watt. At the time of this sand sieving the results of its capacity are very beneficial in the type of sand, and in the presence of tribal density. From the results of the test data that is done does not affect the capacity and density is more open to capacity.
ANALISA UJI KINERJA MESIN MESIN PENGGILING BIJI SALAK MENJADI SERBUK DENGAN PEROSES GANDA KAPASITAS 30 KG/JAM LUBIS, ZULKIFLI
MEKANIK: Jurnal Ilmiah Teknik Mesin Vol 3 No 1 (2017): Mei 2017
Publisher : Jurusan Teknik Mesin, Fakultas Teknologi Industri, Institut Teknologi Medan (ITM)

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Abstract

Coffee is one of the drinks that many people like, in general, coffee is made from real coffee beans which are processed into powder, it turns out that apart from the original coffee beans can also be made from other ingredients, such as bark which are popular in fruit-producing areas salak. The efficacy of coffee bark that is believed to increase stamina, reduce blood pressure and uric acid by the community, making coffee bark and producing coffee powder of bark is increasingly developing. The machine for grinding bark into powder is a machine used to grind zalacca seeds into powder to be used as bark coffee. The construction of the machine to be tested uses a suction method where the mechanism of bark through the inlet will be directed to a row of counter blades and after being filtered and driven by a thread shaft will pass through a row of fine counters / double processors. This machine will be tested for performance to determine the productivity of the machine such as Capacity (Q), Quality (K) and Power usage (P). The test was carried out using 5 kg of disunrice bark seed raw material with 3 times testing. The test results can be concluded that the maximum capacity of 33 kg / hour occurs the second test and the average machine quality is 94.47%. The maximum engine power of 1,253.3 Watts was obtained at the first test and the minimum power was 1,153.3 Watts on the 2nd test. The energy needed to grind 1 kg of bark into powder ranged from 38.13 W-h/hr.
RANCANG BANGUN MESIN PENCACAH UBI MODEL ROTARY UNTUK BAHAN BAKU PAKAN TERNAK KAPASITAS 100 KG/JAM Tambunan, Ari Perdana; Nurdiana, Nurdiana; Yulfitra, Yulfitra; sutrisno, Franky; Siagian, Tony
MEKANIK: Jurnal Ilmiah Teknik Mesin Vol 3 No 1 (2017): Mei 2017
Publisher : Jurusan Teknik Mesin, Fakultas Teknologi Industri, Institut Teknologi Medan (ITM)

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Abstract

Cassava is one of the animal feeds, namely poultry and fish feed, etc. Its use is very beneficial for farmers easily to get this material. The processing of cassava is by chopping small cassava by chopping manul. This method is felt to be less efficient for a large amount because it will take a lot of time and energy, so by making the solution with a wake up design. in this design, it is devoted to the calculation of its components. In this design, the power used is 3.519 kw with a 2000 rpm engine speed, turning a 40 mm shaft using a 3 inch pulli 4 inch pulli with a 1500 rpm dish rotation using a V type A belt, with 9 blades in the tube.
ANALISA VARIASI PUTARAN PADA MESIN ROLL PEMBENTUK PLAT PROFIL TERHADAP HASIL PENGEROLAN PLAT 1 MM Firmansyah, Muhammad Rizky; Yulfitra, Yulfitra; zulkifli, zulkifli; Basyir, Abdul
MEKANIK: Jurnal Ilmiah Teknik Mesin Vol 3 No 1 (2017): Mei 2017
Publisher : Jurusan Teknik Mesin, Fakultas Teknologi Industri, Institut Teknologi Medan (ITM)

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Abstract

Plate roll machine is a tool used to make materials into other forms as the basic material for making gutters. To get good rolling quality and in accordance with the basic ingredients for making machines. The question of roll machine rolls is done to analyze the yield and rolling quality. From the observation of 6061-O aluminum plate with 23 rpm (n) rotation, the results of rolling are 8 pieces, 36 rpm (n) rotation, 9 pieces of rolling results, and 44 rpm yield (n) rolling produces a wave of 11 pieces. The results of rolling with a slight wave defect and will be used as the basic material for making gutters.
TEKNOLOGI PROSES PEMBUATAN MESIN PENCETAK ADONAN KUE KACANG INTIP DENGAN SISTEM ROLL CUTTING KAPASITAS 10 KG/JAM Ritonga, Abdul Rahman; Mahyunis, Mahyunis; Mahadi, Batu; supryadi, supryadi
MEKANIK: Jurnal Ilmiah Teknik Mesin Vol 3 No 1 (2017): Mei 2017
Publisher : Jurusan Teknik Mesin, Fakultas Teknologi Industri, Institut Teknologi Medan (ITM)

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Abstract

From the results of the design of the peanut cake molding machine with a roll cutting system capacity of 10 kg / hour, obtained several main components namely 2 pieces of pressing roll, 1 set of cutting blades 1 set of conveyor belts, 2 roll conveyors and other supporting components such as gears, bearings , chain, reducer, frame and drive motor, the next step is to determine the work steps of making components and determining the tooling equipment used, among others, making the frame using steel ruler, sawing machine, welding machine and hand grinding. Manufacture of drive shaft using a sawing machine, and lathe, press roll making, using cutting saws and welding machines, manufacturing of blades, cutting grinding machines, welding machines, and hand grinding, the manufacture of inlets using hand grinding machines and welding machines, manufacture of outlet using hand grinding machines and welding machines. From the results of calculating the component manufacturing and assembly processes, the frame is 5.49 (hours), drive shaft 200.08 (minutes), press roll 2.42 (hours), roll conveyor 2.42 (hours), blade 20, 65 (hours) inlet 1.68 (hours), outlet 1.39 (hours) and assembly 5.88 (hours). Based on the analysis of the results of the actual manufacturing time for 43.67 (hours) the actual time for the process of making the printing machine for peanut cake dough for 43.67 (hours). If the engine work efficiency is estimated to be 80% or (0.80), the machining time becomes 43.67: 0.80 = 54.58 (hours).
AUS SISI PAHAT CM T5115 PADA POSES PEMESINAN LAJU RENDAH SAMPAI TINGGI PADA BAHAN JIS GRADE DF-3 Tarigan, Janri Bastanta; Yunus, Surya Murni
MEKANIK: Jurnal Ilmiah Teknik Mesin Vol 3 No 1 (2017): Mei 2017
Publisher : Jurusan Teknik Mesin, Fakultas Teknologi Industri, Institut Teknologi Medan (ITM)

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Abstract

The manufacturing industry faces a paradigm in increasing productivity. Besides that that must be a concern, namely the environmental impact due to the production process, for that the metal cutting industry tries to implement environmentally friendly cutting methods. This study aims to analyze tool wear (Vb) that is useful to provide characteristic information and wear mechanism on the dry machining process , low and high speed cutting, carbidatipe chisel VNMG 332 CM T5115 Tungaloy production is used for turning the JIS GRADE DF-3 steel material, to get tool failure mode and tool wear mechanism against cutting temperature. Machining is done by machining the low and high rate cutting where the cutting speed varies (v), the cutting depth (a) and the feeding motion (f) at the maximum cutting rate condition. The lowest tool wear occurs in JIS GRADE DF-3 steel material, in the low rate machining process with the first treatment where v = 137 m/min, f = 0.50 mm, a = 1.00 mm, Aus Tool (Vb) = 0.075 mm and the highest wear wear occurred in the steel material JIS GRADE DF-3 in the high-speed machining process with the fourth treatment where v = 256 m / min, f = 0.50 mm, a = 1.00 mm, wear tool (Vb) = 0.522 mm. From the results of the characteristics of the tool failure method that occurs is worn out side. Judging from the wear of the tool to the cut temperature the wear of the tool occurs due to the influence of the depth of cut (a), cutting speed (v) and sticking furiously on the tool's eye.

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