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Program Studi Sarjana Terapan Teknik Mesin Produksi dan Perawatan, Jurusan Teknik MesinPoliteknik Negeri Sriwijaya, Palembang, Indonesia
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MACHINERY: Jurnal Teknologi Terapan
Published by Politeknik Negeri Sriwijaya
ISSN : 27233359     EISSN : 2776673X     DOI : https://doi.org/10.5281/zenodo.
Core Subject : Science, Engineering,
Control & Systems Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
MACHINERY Jurnal Teknologi Terapan was published by Mechanical Engineering Department, Politeknik Negeri Sriwijaya to disseminate in the form of technical and vocational research results of undergraduate (Sarjana Terapan) students of Mechanical Engineering in the fields of Machinery, Manufacturing, Metallurgy Sciences and Engineering, Design Engineering, Heavy Machine to academics, practitioners and students as well as interested parties. MACHINERY accepts article submissions written in Indonesian and welcoming in English. Determination of articles published in Machinery Jurnal Teknologi Terapan is through a review process by best partner of MACHINERY by considering, among others: fulfillment of the standard requirements of journal publications, research methods used, significance, and contribution to the results of research on technical and vocational in Mechanical engineering field study.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 5 Documents
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Search results for , issue "Vol. 3 No. 2 (2022): Machinery:03022022" : 5 Documents clear
PENGARUH DIAMETER PIPA DAN LUBANG BAKAR PADA TUNGKU PEMBAKARAN TEMPURUNG KELAPA DENGAN METODE PIROLISIS Willy Alexander; Dicky Seprianto; Eka Satria Martomi
MACHINERY: Jurnal Teknologi Terapan Vol. 3 No. 2 (2022): Machinery:03022022
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.6857577

Abstract

Coconut shell charcoal is a product obtained from imperfect combustion of coconut shells causing complex carbon compounds not to oxidize into carbon dioxide. This event is pyrolysis. This study aims to determine the influence of pipe diameter parameters and burn hole diameter on water content and ash content of coconut shell charcoal which test specimens are made using pyrolysis method combustion furnace. The test result data was analyzed using ANOVA with 2 FI full factorial design, using 2 factors and 2 responses modeled by Design-Expert (Trial) software. The results of the analysis revealed that the main factor that most influenced the moisture content and ash content of the test specimen was the pipe diameter factor. The contribution of the influence of pipe diameter on water content is 47% and the contribution of pipe diameter influence to ash content of 56%.
ANALISA PENGARUH NORMALIZING TERHADAP KEKERASAN BAJA PEGAS DAUN Muhammad Febriansyah; Ahmad Junaidi; Ella Sundari
MACHINERY: Jurnal Teknologi Terapan Vol. 3 No. 2 (2022): Machinery:03022022
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.6857466

Abstract

Along with the development of people's lifestyles resulted in an increasing need for vehicles. In four-wheeled motorized vehicles, the suspension system is a very important part because it can affect the safety and comfort for the rider. The spring is the main component in the vehicle suspension which acts as a medium to receive dynamic loads from the road surface and vibrations on the wheels so that they are not transmitted to the vehicle frame directly and keep the wheels in contact with the road surface. the results of testing the raw material hardness specimens and specimens after normalizing, the average hardness of raw materials is 47.6 HRa, the specimens after normalizing at a temperature of 800° get an average hardness of 29.3 HRa, on the specimens the results after normalizing at a temperature of 850° get an average hardness of 35.3 HRa, the specimens after normalizing at a temperature of 900° get an average hardness of 41 HRa.
ANALISA PENGARUH TEMPERATURE DAN SUDUT SCREW TERHADAP WAKTU EKSTRUSI PADA MESIN EKSTRUSI SINGLE SCREW DARI BAHAN RECYCLE HIGH DENSITY POLYETHYLENE (HDPE) Ahmad Faresy Hamidi; Fenoria Putri; Dwi Arnoldi
MACHINERY: Jurnal Teknologi Terapan Vol. 3 No. 2 (2022): Machinery:03022022
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.6857516

Abstract

This research goal is to determine the effect of temperature and screw angle to extrusion speed with High Density Polyethylene as Material on Single Screw Extrusion Machine. On this research use 2 factor, first Temperature with 160°C, 170°C, and 180°C. and the second one is Screw Angle with 0°, 15°, 25°. The roller and puller are setted up to 16 Rpm, data from the research analyze with ANOVA method. And results from the data researcher got the fastest on Screw Angle 25° with 170°C Temperature. And the slowest on Screw Angle 0° with 160°C Temperature. The conclusion that researcher got is Temperature doesn’t effect on extrusion speed because it doesn’t significant, Whereas the Screw Angle have an effect on extrusion speed.   Keywords : Extrusion Machine, Temperature, Screw Angle, ANOVA, Speed.
Algoritma Kalibrasi untuk Modul Tekanan pada Alat Uji Triaxial Digital Jamaludin Jamaludin; Catur Hilman A.H.B. Baskoro; Hendri Maja Saputra
MACHINERY: Jurnal Teknologi Terapan Vol. 3 No. 2 (2022): Machinery:03022022
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.6857229

Abstract

The calibration algorithm for the pressure module in the triaxial digital test equipment is discussed in this paper. In the previous version of the pressure module design, pressure transducer calibration is performed by inserting the sample transducer reading values ​​in a constant variabel placed on the flash program which results in a re-download process performed every calibration. So this study aims to improve the deficiencies with the solution of making a program algorithm for the pressure module used in the calibration process with direct interaction with the computer through serial monitor on the usb communication port. The study was conducted in stages and focused on coding and testing by conducting direct tests on the pressure module and making improvements to the design of the evaluation results. The algorithm is made to function properly and the accuracy value of pressure module readings at 0.12 kg / cm2 = 8.33%, 0.24 kg / cm2 = 4.17% and 0.30 kg / cm2 = 0.00%.
KEKERASAN DAN STRUKTUR MIKRO BAJA AISI 1040 SEBAGAI HASIL PROSES QUENCHING MENGGUNAKAN PENDINGIN AIR GARAM DAN ASAP CAIR Dodi Tafrant; Mulyadi Mulyadi; Hendradinata Hendradinata; Rachmat Dwi Sampurno; Almadora A. Sani; Karmin Karmin; Randy Hidayat; M. Agil Muzafar; Devita Dinda Fitriani
MACHINERY: Jurnal Teknologi Terapan Vol. 3 No. 2 (2022): Machinery:03022022
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.6857629

Abstract

Steel with various uses has an important role in machining and construction processes. In its use, steel is chosen because of its strength, ductility, and hardness. One type of steel commonly used in the machining process is AISI 1040 steel. This is because AISI 1040 steel has tough, strong, and hard properties. However, in its use sometimes AISI 1040 steel must be hardened to be more capable in its use. In that endeavor, AISI 1040 steel can be subjected to heat treatment to change its microstructure from initially Ferrite and Pearlite, to Martensite. This change in microstructure has an effect on increasing the hardness value of AISI 1040 steel. This study was conducted to determine how much effect the increase in hardness value would have if AISI 1040 steel was subjected quenching using brine and liquid smoke as cooling media. The results obtained were an increase in the hardness value of AISI 1040 steel to 63.76 HRc, and 65.40 HRc for each cooling medium. The visible microstructure is the formation of a martensitic phase on AISI 1040 steel after heat treatment.

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