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All Journal Jurnal Energi Dan Manufaktur Teknik Mesin "TEKNOLOGI" Jurnal POLIMESIN Logic : Jurnal Rancang Bangun dan Teknologi
Muhammad Arsyad Suyuti
Politeknik Negeri Ujung Pandang
Automotive Engineering Computer Science & IT Control & Systems Engineering Education Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Investigasi sifat mekanis sambungan Dissimilar Friction Stir welding (DFSW) Aluminium Alloys (AA5052 to AA6061) Muhammad Arsyad Suyuti; Apollo .; Muhammad Iswar; Rusdi Nur
Jurnal Energi Dan Manufaktur Vol 13 No 2 (2020)
Publisher : Department of Mechanical Engineering, University of Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEM.2020.v13.i02.p01

Abstract

The joint for two different materials (AA5052 and AA6061) can be done by the Dissimilar Friction Stir Welding (DFSW) process. Therefore, this study was conducted to analyze the mechanical properties of dissimilar welding joints. In this study the DFSW process uses a tool with a shoulder Ø 17.8 mm and a cylindrical pin Ø 5 mm. FSW blocking is done on conventional milling machines with 1300 rpm, 1950 rpm and 2850 rpm tool rotation variations, while the welding speed variations are 43 mm / min, 130 mm / min and 240 mm / min. The results of mechanical properties testing showed the highest hardness value obtained was 55.3 HBN at 1300 rpm with 240 mm / min feeding, the highest tensile strength occurred for 1300 rpm and 240 mm / min feeding at 123.51 MPa. The fracture of the tensile test results generally occurs in the HAZ area and the AA5052 base metal Nugget. Investigation results show that the DFSW connection of aluminum alloy material AA 6061 and AA 5052 adapt is well connected, but in terms of general strength the tensile strength of the joint (HAZ and Nugget) is smaller than the tensile strength of the base metal. This DFSW connection adaptation is applied to connections that do not accept load or tensile strength due to the load received by the connection not to exceed the maximum tensile strength of base metal AA 5052
Rancang Bangun Die Set sebagai Alat Bantu Press Tool untuk Proses V-Bending Stainless Steel Rusdi Nur; Muhammad Arsyad Suyuti; Muhammad Iswar
Jurnal Energi Dan Manufaktur Vol 14 No 1 (2021)
Publisher : Department of Mechanical Engineering, University of Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEM.2021.v14.i01.p04

Abstract

Press tools, as production aids, are widely used in the manufacturing industry for metal forming, including the bending of plate materials. The press tool consists of a die set used to cut or shape a product or component from sheet metal by using a press machine as a pressing tool that can produce products with uniform quality and in a short time. The stages in the die set design process consist of several stages, namely: 1) the design stage is carried out using Autodesk Fusion 360 software, 2) the manufacturing stage is carried out using machine tools and their accessories, 3) the assembly stage of each component both made and standard become a complete stu die set, 4) the stage of testing the die set by performing a compression test on a compression testing machine (UTM Galdabini) with various test parameters. The results of the buckling test show that the bending force required for bending a stainless steel plate with a thickness of 1 mm is in the range of 92 N – 125 N, while for a thickness of 2 mm it ranges from 113 N – 163 N. The bending angle produced is 107O45' – 115O45' for a thickness of 1 mm, and 100O20' – ??116O45' for a thickness of 2 mm. The conclusion obtained is that this die set designed and made has shown performance and meets the requirements as a press tool that can bend stainless steel plates.
Analisis Keandalan pada Finish Mill PT. Semen Bosowa Maros sebagai Dasar Penentuan Interval Waktu Perawatan Muhammad Arsyad Suyuti
Teknik Mesin "TEKNOLOGI" Vol 14, No 2 Okt (2011)
Publisher : Universitas Negeri Makassar

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Abstract

Perawatan pabrik merupakan hal yang sangat mahal dan merupakan suatu godaan yang kuat untuk menundanya sampai esok hari dan menghemat dana untuk hari ini. Tindakan perawatan terhadap suatu plant yang dilakukan hanya berdasarkan kondisi kerusakan mesin dan fasilitas di pabrik yang ditentukan oleh badan pembuat kebijakan dilingkungan pabrik. Jika tindakan ini dikombinasikan dengan manajemen perawatan yang terabaikan, maka hal ini akan memperpendek masa berguna (useful life) dari plant dan mugkin juga akan menambah biaya lainnya seperti biaya kerusakan (downtime cost) dan berbagai kerugian yang timbul akibat dampak yang mungkin ditimbulkan oleh kerusakan sistem. Perawatan fasilitas-fasilitas dalam sistem produksi merupakan hal penting yang harus dilakukan untuk menjamin kelancaran produksi. Selama ini PT. Semen Bosowa Maros melakukan perawatan berkala berdasarkan petunjuk dan manual-manual book setiap fasilitas yang digunakan dimana hanya menunjukkan hal-hal umum tanpa mempertimbangkan kondisi operasi aktual dilapangan. Penelitian ini bertujuan untuk melakukan perencanaan strategi perawatan mesin pada unit Finish Mill berdasarkan analisis keandalan dengan mempertimbangkan target keandalan sistem. Data downtime dari masing-masing subsistem/komponen dikonversi menjadi data waktu antar kegagalan. Selanjutnya dilakukan pengujian distribusi data untuk mendapatkan distribusi yang paling sesuai. Berdasarkan parameter distribusi data yang diperoleh, maka fungsi keandalan masing-masing subsistem/komponen dapat ditentukan sehingga nilai keandalan masing-masing subsistem/komponen dan sistem secara keseluruhan untuk suatu periode waktu tertentu dapat dihitung. Berdasarkan hasil penelitian ini diketahui bahwa kegagalan atau breakdown Unit Finish Mill selama bulan maret 2006 – maret 2008 penyebab utama adalah subsistem/komponen 561.BM1, 531.WF1, 531.BC6, 531.BC2, 531.BC1, 561.SR1 dan 531.BC3 sehingga alokasi keandalan difokuskan pada subsistem/komponen tersebut.Kata kunci : Perawatan, Keandalan, Downtime, Breakdown
Designing and Manufacturing the Press Tool of Air Bending V Brake Rusdi Nur; Muhammad Arsyad Suyuti; Muhammad Iswar
Logic : Jurnal Rancang Bangun dan Teknologi Vol 19 No 3 (2019): November
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (339.32 KB) | DOI: 10.31940/logic.v19i3.1397

Abstract

Nowadays, the metal forming process in the welding machinery and machinery industry is developing very rapidly, especially in the bending process. The buckling process is a metal formation which generally uses sheet plates or rods from both ferrous and non-ferrous metals by bending, which in the bending process will cause a stretching or stretching on the neutral axis of the field along the bending area and producing a straight bending line. Appropriate technology machines have been widely used to increase productivity, efficiency, and effectiveness in the production process for community efforts. One of the appropriate technologies that can be applied in buckling is a tool equipped with a press tool. Press tool is one type of tool for the formation, cutting and bending of products from the base material of sheet plates whose operation uses a press machine. In this study, a V brake bending tool has been produced which has a capacity that is bending line length 300 mm, bending width 33 mm, spring height 110 mm, free step distance 19 mm, spring load received 263,820 N and material capacity that can be bent is a thickness of 3 mm, the punch angle used is 85⁰ with a punch radius used which is 1.5 mm while the die angle is 85⁰
Experimental and discrete event simulation (DES) modeling analysis of the belt conveyor conveying capacity Muas Muchtar; Muhammad Arsyad Suyuti; Syaharuddin Rasyid; Andi Saidah
Jurnal POLIMESIN Vol 21, No 3 (2023): June
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i3.3589

Abstract

Belt conveyors can continuously move the desired amount of material from one location to another. The conveying capacity of the conveyor must be met based on the previous design criteria. The belt conveyor must operate at the appropriate conveying speed and queue time interval. Higher or lower conveyor speeds and queue time intervals can cause a decrease in efficiency and productivity. The objectives of this study are 1) to determine the effect of the independent variables (observations), namely, the speed of the head pully conveyor and the time interval of the box queue, on the conveyor performance, 2) to obtain information on the normality profile and significance of the conveyor performance data. This research is oriented toward experimental and quantitative research designs. The independent variables observed are the speed of the head pully belt conveyor and the box queuing time interval on the dependent variable, namely the belt conveyor conveying capacity. The data collection technique is in the form of direct measurements on the conveyor system and the collection of output data from the previously designed DES modeling. Two types of analysis used are comparative quantitative analysis methods and statistical-based analysis. The results showed a significant influence between the independent variables of speed and box queue time interval on the conveying capacity of the belt conveyor. Another result is that the conveyor capacity data obtained from this study have a near-normal distribution and a high significance level.
Co-Authors Andi Saidah Apollo . Muas Muchtar Muhammad Iswar Rusdi Nur Rusdi Nur Syaharuddin Rasyid