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Fenoria Putri
Politeknik Negeri Sriwjaya
Control & Systems Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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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: Jurnal Teknologi Terapan
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.
Analisa Pengaruh Kemiringan Sudut Screw Extruder Terhadap Keakuratan Diameter Filament 3D Printer Berbahan Recycled ABS, Recycled HDPE dan Polypropylene Fendra Eka Nugroho; Fenoria Putri; Indra Gunawan
MACHINERY: Jurnal Teknologi Terapan Vol. 4 No. 1 (2023): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.7684182

Abstract

New extruder with recydled HDPE material (oil bottle), ABS, Polypropylene. High quality filaments are characterized by high durability and constant diameter. In this study, we used material variables dan helix angles. Accumulation of plastic waste is a major problem  in many countries, including Indonesia. On the other hand, there is also a rapidly growing technology, namely 3D printing. With the development of plastic based 3D Printing, it has become very important to make 3D printing innovations more environmentally friendly. This can be achieved by using 3D printing filaments made from recycled plastic. This research is envolving. Combining 0o , 15o, and 25o extrusion screwing with HDPE, ABS, and polypropylene materials, the average diameter is  close to 1.75mm to 1.76mm. Because = 0.519553 > 0.05 (2;4) = 6,9443. However after receiving the optimization parameters, the final result shows a defect in filament quality. Make the surface rough and easy to bend. Therefore, it is not possible to create object on a 3D printer using filaments made of polypropylene and recycled ABS and HDPE plastic.
PENGUJIAN KEKASARAN MOLDING BERBASIS ADDITIVE MANUFACTURING MENGGUNAKAN 3D PRINTING MATERIAL ACRYLONITRILE BUTADIENE STYRYNE Fenoria Putri; Mohammad fauzan Pratama; Almadora Anwar Sani
MACHINERY: Jurnal Teknologi Terapan Vol. 4 No. 2 (2023): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.8048540

Abstract

Technological developments move very quickly. Machines are one of the technologies that were created, from existing machines being innovated according to the needs of the times, one of which is 3D Printing. This machine has a special sophistication, which is capable of printing in the form of a prototype whose form is with a drawing on the design in a CAD/CAM application. using Acrylonitrile Butadiene Styrene material. The reason for this test is because the cost of mold production is cheaper than using a molding machine that is commonly used in general, the level of precision is higher than making molding using conventional machines. The method of analysis used the experimental method to determine the effect of treatment on other factors under controlled conditions. Where the resulting mold is tested for surface roughness. From the test results, the data used will be obtained in the form of statistical data analysis, which is carried out using the Analysis of Variance (ANOVA). The analysis that has been applied, concluded that the layer height: low, standard, high has an effect on the roughness of the printed molding, and it can be proven by Fcount 13.026 > Ftable 2.56. with a significant 0.014 < 0.05. The lowest roughness results are printed using a layer height: 0.16 mm/s (high quality).
ANALISA PENGARUH PERLAKUAN ALKALI TERHADAP SIFAT MEKANIK KOMPOSIT BERPENGUAT SERAT BUAH KELAPA SAWIT Ella Sundari; Karmin Karmin; Fenoria Putri; Arif Budiman
MACHINERY: Jurnal Teknologi Terapan Vol. 4 No. 2 (2023): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.8048689

Abstract

Various innovations have been developed by researchers to obtain and develop new natural fibers because of its advantages. Some of the advantages of natural fibers such as excellent physical properties, abundant natural materials, do not damage the environment and lower production costs. This study aims to produce alternative natural fibers by utilizing fiber from oil palm fruit which is commonly found in South Sumatra. The research was carried out by preparing resin and catalyst with a ratio of 100 ml: 1 ml which was then poured into the mold as much as 25% and continued by arranging palm fruit fiber randomly. After 8 hours, the resulting composite material is soaked for 2 hours with NaOH alkaline liquid with variations of 0%, 5% and 7%. The mechanical properties of the palm fruit fiber composite increased after being treated with alkali, where the highest values ​​were tensile strength 22.46 N/mm2, impact strength 0.15 J/mm2 and bending strength 87.50 N/mm2 obtained at variations of alkaline NaOH of 7 %.
Co-Authors Ahmad Faresy Hamidi Almadora Anwar Sani Arif Budiman Dwi Arnoldi Ella Sundari Fendra Eka Nugroho Indra Gunawan Karmin Karmin Mohammad fauzan Pratama