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Artikel Jurnal
DESAIN KONSEP PURWARUPA MESIN INJECTION MOLDING TIPE VERTIKAL UNTUK DAUR ULANG LIMBAH PLASTIK SKALA RUMAH TANGGA
Plastic waste is the main cause of environmental pollution. It is necessary to research the design of the Injection Molding machine to process plastic waste. This study describes the design concept of a vertical type Injection Molding machine prototype by considering the factors to be utilized by…
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Artikel Jurnal
ANALISIS PENGARUH VARIASI HOLDING TIME ANNEALING TERHADAP LAJU KOROSI TITANIUM PADA LARUTAN CAIRAN TUBUH SINTETIS
Biomaterials are crucial for bone implants due to their biocompatible and inert nature, ensuring no adverse effects within the human body. Titanium is renowned for its exceptional corrosion resistance. This research aims to analyze the impact of annealing holding time and pH of synthetic body fluid…
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Artikel Jurnal
PENGARUH PENGGUNAAN MINYAK JAGUNG UNTUK CUTTING FLUID PADA PROSES FACE MILLING TERHADAP KEKASARAN PERMUKAAN PERMUKAAN DAN LAJU KOROSI BAJA KARBON
The corrosive coastal environment will result in a high corrosion rate for any equipment installed there. This is due to the constant exposure to saltwater, high humidity levels, and strong winds. Therefore, it is crucial to use corrosion-resistant materials and regularly maintain the equipment to…
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Artikel Jurnal
DETEKSI CACAT BANTALAN GELINDING BERBASIS ALGORITMA DECISION TREES DAN PARAMETER STATISTIK
Rolling bearings are a common machine element found in rotary machines. The components in the rolling bearing such as the inner race, outer race, rolling element, and cage are the parts that are often damaged. Traditionally spectrum analysis is used to diagnose bearing defects. However, spectrum…
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Artikel Jurnal
SURFACE QUALITY AND CORROSION RESISTANCE OF 316L STAINLESS STEEL ELECTROPOLISHED USING PHOSPHORIC – SULFURIC ACIDS
Electropolishing is an electrochemical surface finishing technique. It is commonly applied to equipment that requires a gleaming finish. This surface property is frequently required in 316L stainless steel (SS) medical implants. Electropolishing removes a thin layer from the metal's surface through…
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Artikel Jurnal
THE EFFECT OF HARD FACING PROCESS ON THE HARDNESS AND MICROSTRUCTURE OF BUCKET TOOTH FOR DIFFERENT MANGANESE CONTENT
High hardness and wear resistance of bucket tooth are required in the face of abrasion and impact. High manganese steel is hard and ductile, making it more suitable for bucket tooth materials. Bucket tooth can wear out and need to be returned to their original size, so that bucket tooth that have…
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Artikel Jurnal
PENGARUH LIQUID SUCTION HEAT EXCHANGER TERHADAP KINERJA SISTEM PENDINGIN PADA MESIN PORTABLE CHILLER
When the Covid-19 pandemic occured, most of the industries and public facilities were not used properly, but the cooling machines was still used, resulting in large consumption of power and electrical energy. Along with high energy consumption where the availability of energy is running low…
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Artikel Jurnal
STUDI EKSPERIMENTAL GENERATOR ELEKTRIK BERBAHAN BAKAR BIOGAS GUNA MENDUKUNG NET ZERO EMISSION (NZE)
Indonesia is a country that has large, widespread and diverse renewable energy potential that can support energy transition and achieve net zero emission (NZE) target by 2060 or sooner. This paper aimed to investigate characteristics of exhaust emissions and consumption fuel of biogas-fuelled…
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Artikel Jurnal
PENINGKATAN KETERSEDIAAN FISIK DAN WAKTU RATA-RATA ANTARA KEGAGALAN UNIT KOMATSU PC2000-8 PADA PT. UNITED TRACTORS, TBK DENGAN METODE FMEA
The era of heavy equipment industry in Indonesia was begun in the mid-1990s, by the first heavy equipment company, PT. United Tractors Tbk. This company have started heavy equipment sales and rental throughout Indonesia, which the well-known heavy equipment is the Hydraulic Excavator. It is used to…
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Artikel Jurnal
VARIASI KONDUKTIVITAS TERMAL PADA PROSES PEMOTONGAN SS400 DENGAN MEDIA PENDINGIN DROMUS TERHADAP KEKASARAN PERMUKAAN
Thermal conductivity is a transport phenomenon where the temperature difference causes the transfer of thermal energy from the tip of the blade to the workpiece. The value of thermal conductivity is important for good conductors of surface roughness. Thermal conductivity is influenced by several…
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Artikel Jurnal
RANCANG BANGUN PROTOTIPE PREPARASI MATERIAL RESISTANCE SPOT WELDING
The manufacturing process in the automotive industry is in dire need of resistance spot welding machines. Because it was easier to use, highly effective, and effective in functioning. However, there were sometimes still connection problems that were still of poor quality, both nuggets and areas…
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Artikel Jurnal
PENGARUH PENAMBAHAN CACO3 DARI LIMBAH KULIT TELUR DAN WAKTU PENGADUKAN PADA PEMBUATAN ALUMINIUM FOAM MENGGUNAKAN METODE MELT ROUTE
Aluminum is a lightweight material that has good corrosion resistance and electrical conductivity. It can be used for making aluminum foam. One of the methods for making aluminum foam is the melt route method. Making aluminum foam using the melt route process, is called melting aluminum metal…
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Artikel Jurnal
STUDI NUMERIK TURBIN ANGIN SAVONIUS: TORSI MEKANIK, DIAMETER POROS, DAN DAYA
One of the renewable energy sources that can be used to generate electricity is wind energy. This research aims to numerically study the Savonius Vertical Axis Wind Turbine (VAWT) type to obtain the mechanical torque, load torque, shaft diameter, and the empirical equation showing the relationship…
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Artikel Jurnal
ANALISIS PENGARUH VARIASI WAKTU PERLAKUAN ALKALI TERHADAP KEKUATAN IMPACT KOMPOSIT POLYESTER YANG DIPERKUAT SERAT BAMBU
This study aimed to determine the effect of alkali treatment on the impact strength and fracture pattern of bamboo fiber reinforced polyester composites. This composite consisted of polyester resin as a matrix and bamboo fiber as a filler or reinforcement. The alkaline treatment time used was 5%…
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Artikel Jurnal
PENGARUH PAHAT ENDMILL NORMAL DAN VARIABEL HELIX ANGLE PADA METODE POCKET ZIG-ZAG TERHADAP CHATTER
The manufacturing industry mostly uses CNC Milling machines in processing products that require high precision values. This machine is capable of a wide variety of feeding methods, inclinations, feed speeds, various tool styles, and much more. The purpose of this research is to analyze one method…
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Artikel Jurnal
INVESTIGATION INTERFACIAL SHEAR STRENGTH AND MECHANICAL PROPERTIS OF ALKALI TREATED HONEY PINEAPPLE FIBER/ MICROCRYSTALLINE CELLULOSE COMPOSITE
The research objective was investigate the effect of alkali treatment on thermal stability, interfacial shear strength, mechanical properties and waterabsorption in composite of honey pineapple fiber (HPF). HPF was not given and treated by soaking in a mixture of 6% wt sodium hydroxide. Mixing…
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Artikel Jurnal
RANCANG BANGUN DESALINASI SURYA TIPE SINGLE BASIN DOUBLE SLOPE DI SELAT PANJANG KOTA-RIAU
People in coastal areas must buy or use rainwater to get clean water, but the availability of clean water itself still depends on the availability of nature where when the dry season comes it is very difficult to get clean water. The solution to this problem is to utilize seawater through a…
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Artikel Jurnal
ANALISIS SIFAT MEKANIK KOMPOSIT SANDWICH SERAT KARBON TWILL 3K/DIVINYCELL FOAM DENGAN VARIASI METODE FABRIKASI
Sandiwch composite is a type of structural composite material composed of a strong facesheet and a low-density core material. Sandwich composites have a high mechanical properties with their lightweight structure, so this material can be applied to aircraft structures. This study aims to determine…
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Artikel Jurnal
IMPLEMENTATION OF MAINTENANCE AND RELIABILITY MANAGEMENT SYSTEM (MRMS) IN PERTAMINA HULU ENERGY SUBHOLDING UPSTREAM (PHE SHU) THROUGH FIELD ASSESSMENT OF ISO 55001
As part of the integrated efforts that need to be made to achieve the target of becoming a world-class energy company, PHE SHU seeks to carry out the implementation of the Asset Integrity Management System (AIMS) and develop a MRMS which involves a solid team and is able to complete implementation…
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Artikel Jurnal
Studi Distribusi Temperatur Pada Kulit Manusia yang mengalami Cryotherapy dengan Finite Difference Method (FDM)
Biological heat transfer studies the transfer of heat in biological systems from inside the human body or from outside to inside the body. The biological heat transfer equation uses the Pennes equation, which applies to the layers of skin made up of the epidermis, dermis, fat, and muscle. This…