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Sumiyanto Sumiyanto

Program Studi Teknik Mesin Institut Sains dan Teknologi Nasional ISTN Jakarta Selatan

Author-ID : 3824088

Electrical & Electronics Engineering Engineering

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ANALISIS KEKUATAN VELG ALUMUNIUM MODEL D30D PADA PERUSAHAAN “A” Sumiyanto Sumiyanto; Abdunnaser Abdunnaser
Bina Teknika Vol 14, No 2 (2018): Bina Teknika
Publisher : Faculty of Engineering UPN "Veteran" Jakarta

Wheels are one of the main components in a vehicle. Without wheels of vehicles will not be to function. The damage that occurs in aluminium alloy wheels for the outbreak spoke mostly occur due to a force and tension that occurs exceeds the maximum allowable voltage. With these considerations it is necessary to redesign using 3D software and simulated using finite element method. After simulated, part produce with low pressure casting and machining. Sample part test with several testing as single part such as : life test, drum test, 13° impact test. After that sample part test as running test such as : curb stone evaluation and rectangle evaluation. The results of sample testing parts such as life test, the drum test, 13 ° impact test and running test in the form of curb stone rectangle evaluation and evaluation did not reveal any cracks on the sample part. Nut torque results of sample testing parts such as curb stone evaluation have smaller in 70 N.m, with allowed limit 61,6 N.m until 88 N.m. And nut torque results of sample testing parts such as rectangle evaluation have smaller in 76 N.m, with allowed limit 61,6 N.m until 88 N.m

ANALISIS PERBANDINGAN KEKERASAN PERMUKAAN POROS AXLE SHAFT JENIS MATERIAL S-43 YANG DILAKUKAN DENGAN PROSES INDUKSI HARDENING PADA MESIN 12-9 B “KORA NETUREN” Sumiyanto Sumiyanto
Bina Teknika Vol 14, No 1 (2018): Bina Teknika
Publisher : Faculty of Engineering UPN "Veteran" Jakarta

Hardening process is the process of hardening in a material heated above the critical temperature and then cooled quickly (quenched) to reach room temperature in order to improve hardness and strength of a material. Hardening process carried out on all the tools and some equipment or machine parts that have a major benefit is to obtain a higher hardness.This research was conducted on 447 SNCM alloy steel which is a medium carbon steel grade that is equal to 0:30 to 0:38%. This type of steel can be hardened by heat treatment process that is by heating the steel at a temperature of 500oC, for 1 hour as the preheating temperature (preheated). Then proceed to the process of hardening, namely austenising temperature with 900oC with holding time 2 hours and cooled with oil and then water in tempering with holding time 1 hour at 300oC, 400oC and 500oC.From research result obtained using the Vickers hardness values that increase occurred in materials that undergo a process of hardening at 900oC cooling using water media, whereas the lowest hardness value occurs in the original material.

ANALISA PENGUJIAN GESEK, AUS DAN LENTUR PADA KAMPAS REM TROMOL SEPEDA MOTOR Sumiyanto Sumiyanto; Abdunnaser Abdunnaser; Achmad Noor Fajri
Bina Teknika Vol 15, No 1 (2019): Bina Teknika
Publisher : Faculty of Engineering UPN "Veteran" Jakarta

This analisys who does are to point off base on motorcycle community to able learning education such as purpose and quality of break kanvas with standardization even chossing of material pad kanvas who does no failed of chossing as performance capability in deserasy of speed. For knowing for that, firtable we must to analyzing of performance and compared. In this section are used two of sample with deference kind of material, such as non asbestos (semi metallic). For in this case we take a tree experiment, like measuring analyse, threadbare and scrape. Of the end analyse that could knowing are using material non asbestos (semi metallic) are excelellen better than asbestos kanvas as orientation SNI number 09-9134-1987. As you know share, using far away way are suitable in non asbestos and recomanded.

PENGARUH PROSES CARBONITRIDING TERHADAP MATERIAL DASAR BEARING SUJ2 Sumiyanto Sumiyanto; Abdunnaser Abdunnaser
Bina Teknika Vol 13, No 1 (2017): Bina Teknika
Publisher : Faculty of Engineering UPN "Veteran" Jakarta

Bearing is a prayer one part of the holding machine elements because Important role of bearing namely functions to review rivet a shaft so that the shaft can be spun without experiencing excessive friction. Bearing generally used to review round prop shaft where at occurred many friction. From then that on bearing component materials had made of strong enough for a review allows the shaft well as other machine elements working good and optimal. Research singer aims to review determine mechanical properties of components bearing material with carbon steel high (high carbon steel) SUJ 2 the treated Heat Carbonnitriding with Temperature of 850 ° C, Hardening 830 ° C with cooling oil during a 15 minute shower taxable income next using the water conditioning on hold for 15 minutes bath Tempering 185 ° C and cooled with room temperature for 120 minutes. Testing results chemical composition is known that the basic ingredients of the basic SUJ 2 has a Fe content of 98.23%, C 0.93% and 0.10% Cr content that can be classified as high carbon steel crhoom. Observations showed metaloggrafi the homogeneous microstructure with more Subtle form of austenite grains, martensite and carbides, carbide where the surface surrounding the bearing component. Results hardnes test components vickers bearing SUJ 2 has a value to keep pace with the heat treatment of non-taxable income 199.8 HV experience heat treatment 1 process being 910 HV, on process heat treatment 2 being 810 HV.

Co-Authors Abdunnaser Abdunnaser Abdunnaser Abdunnaser Achmad Noor Fajri

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