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PRINCIPAL MATERIAL RELATIONAL ANALYSIS DUCTING BASED ON THE PRICE AND CORROSION RATE MATERIALS Zahran, Raihan Rabby; Sunardi, Sunardi; Haryadi, Haryadi; Pinem, Mekro Permana; Yusuf, Yusvardi; Demustila, Harly; Nazwa, Intan
Trends in Mechanical Engineering Research Vol 2, No 1 (2024): June
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v2i1.26160

Abstract

Ducting is a supporting component of the HVAC system. (Heating, Ventilation, and Air Conditioning). In other words, ducting can be used as an air supply, and as a channel for both cold and hot air, air drainage, air absorption, and ventilation. It is used to ensure that the air quality in the room is awakened according to the needs of the room. In the selection of material for ducting, one can consider various aspects. In this journal, the aspects considered are the corrosion rate, ultimate tensile strength, and the material price of the three types of materials, namely BJLS, aluminium, and stainless steel. Based on the results of the test and calculation, BJSL has the highest corrosion rate of about 0.62 Mpy on the 14th day, stainless steel has a corrosive rate of around 0.29 Mpy on the 14th day, and aluminum has the lowest rate of corrosiveness of about 0,27 Mpy at the 15th day.
PRODUCTIVITY ANALYSIS IN THE MANUFACTURE OF DIE PLATE PRODUCTS USING THE OVERALL EQUIPMENT EFFECTIVENESS (OEE) METHOD AT PT. XYZ Septiana, Reski; Fauzan, Ghazi; Yusuf, Yusvardi; Ula, Shofiatul; Demustila, Harly; Hernadewita, Hernadewita; Hendra, Hendra; Setiawan, Ipick
Trends in Mechanical Engineering Research Vol 2, No 2 (2024): December
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v2i2.30946

Abstract

The effectiveness possessed by manufacturing machines is a parameter used to determine the performance of a company's manufacturing process. Effectiveness can be shown in the form of percentages as effective as a manufacturing process is carried out. Effectiveness can be a reference for companies in the implementation of production by evaluating charts of production that are considered less effective and do not meet standards. The factors that affect the effectiveness of a production machine can be seen in the availability or capability, quality, and performance where in this article the overall equipment effectiveness (OEE) method which has a production period of one month is used to get the effectiveness of the production process carried out. The results obtained in this study were 88.53% in the first week of proposition, 94.63% in the second week of production, and 91.58% in the third and last week of production.
Sessile Drop Method Prediction of Particleboard Mechanical Properties Pinem, Mekro Permana; Adiwinoto, Aldiansyah Rudy; Yusuf, Yusvardi; Satria, Dhimas; Dwianto, Dwianto; Sunardi, Sunardi; Hendra, Hendra; Kanani, Nufus; Demustila, Harly; Triwibowo, Dimas
METAL: Jurnal Sistem Mekanik dan Termal Vol. 8 No. 1 (2024): Jurnal Sistem Mekanik dan Termal (METAL)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/metal.8.1.6-13.2024

Abstract

Agriculture waste-based materials have considerable potential as wood-based particleboard alternatives. It has been produced abundantly from nature and considers an eco-friendly material. One of the enormous resources is the paddy by-product, rice straw (about 500 million tonnes per year worldwide). In this work, the mechanical properties of rice straw-based particleboard are predicted easily and quickly using the sessile drop method.  Rice straw was crushed into 2-5 mm diameter powder-like materials, and corn starch was used as the binder. The rice straw particleboard was formed under a hot press machine (5 MPa, 180°C and 120 minutes). Conventionally, the sample mechanical property was tested through Universal Testing Machine (UTM). Unfortunately, the process is costly and difficult to access. It is necessary to have a rapid and low-cost presumption of the mechanical particleboard properties toward more efficient manufacturing. This work proposes a simple sessile drop method to indicate particleboard mechanical properties. Multiple linear regression was performed to see the correlation between sessile drop and UTM testing. It was found statistically that the sessile drop method could be used as an early prediction of particleboard mechanical properties.