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All Journal JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY Syntax Literate: Jurnal Ilmiah Indonesia INTEK: Jurnal Penelitian JURNAL CRANKSHAFT Jurnal Teknik Mesin dan Pembelajaran Journal Dynamic SainT Jurnal Restikom : Riset Teknik Informatika dan Komputer Jurnal Abdimas Bina Bangsa Co-Value : Jurnal Ekonomi, Koperasi & Kewirausahaan Jurnal Polimesin Strength : Jurnal Penelitian Teknik Mesin
Frans Robert Bethony
Universitas Kristen Indonesia Toraja
Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Transportation Other

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Revitalisasi Objek Wisata Pana’ Toraja Utara Yusri Ambabunga; Frans Robert Bethony; Noel Sangbua
Co-Value Jurnal Ekonomi Koperasi dan kewirausahaan Vol. 15 No. 7 (2024): Co-Value: Jurnal Ekonomi, Koperasi & Kewirausahaan
Publisher : Program Studi Manajemen Institut Manajemen Koperasi Indonesia Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/covalue.v15i7.4941

Abstract

Objek wisata Pana’, yang terletak di Dusun To’ Yasa Riu, Lembang Suloara, Kecamatan Sesean Suloara, Kabupaten Toraja Utara, pernah menjadi destinasi unggulan dengan keunikan budaya dan keindahan alamnya. Namun, dalam beberapa tahun terakhir, kawasan ini mengalami penurunan daya tarik akibat kurangnya pengelolaan yang berkelanjutan, fasilitas yang usang, dan strategi pemasaran yang tidak efektif. Penelitian ini bertujuan untuk menganalisis proses revitalisasi kawasan wisata Pana’, mengevaluasi dampaknya terhadap daya tarik kawasan, pemberdayaan masyarakat lokal, dan pelestarian budaya. Metode penelitian yang digunakan adalah pendekatan kualitatif-deskriptif dengan studi kasus. Data dikumpulkan melalui observasi, wawancara mendalam dengan masyarakat dan pemerintah setempat, serta analisis dokumentasi. Analisis tematik diterapkan untuk mengevaluasi temuan penelitian secara mendalam. Hasil penelitian menunjukkan bahwa revitalisasi kawasan wisata Pana’ berhasil meningkatkan daya tarik kawasan melalui perbaikan infrastruktur, pengembangan atraksi wisata baru, dan penerapan strategi pemasaran berbasis digital. Program ini juga meningkatkan keterlibatan masyarakat lokal dalam pengelolaan kawasan, menciptakan dampak ekonomi positif, dan melestarikan budaya unik Toraja seperti tradisi “Baby Grave.” Kesimpulannya, revitalisasi objek wisata Pana’ tidak hanya mengembalikan popularitas kawasan ini tetapi juga menciptakan model pengelolaan berbasis komunitas yang berkelanjutan dan dapat direplikasi di destinasi wisata lain
Analisa Keausan Mata Pahat HSS pada Proses Pembubutan Kering dengan Variasi Gerak Makan dan Putaran Spindel Johan, Chendri; Allo, Angga Linggi; Bontong, Yafet; Bethony, Frans Robert
Jurnal Teknik Mesin dan Pembelajaran Vol 7, No 2 (2024)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um054v7i2p66-71

Abstract

Keausan pahat merupakan peristiwa terlepasnya material atau atom dari permukaan material akibat deformasi plastis dan gaya mekanik. Keausan pada pahat potong akan menyababkan perubahan bentuk benda kerja sehingga akan mengakibatkan geometri dan kualitas permukaan material akan mengalami penurunan.Proses pemesinan bubut merupakan proses pemesinan yang menggunakan pahat bermata tunggal (single point cutting tools). Perbedaan parameter potong merupakan salah satu faktor yang dapat mempengaruhi tingkat laju keausan mata pahat. Beberapa faktor yang mempengaruhi terjadinya keausan pahat yaitu putaran spindel, gerak makan, kedalaman potong. Penelitian ini akan membahas tentang bagaimana pengaruh gerak makan dan putaran spindel terhadap keausan pahat serta bagaimana hubungan antara gerak makan dan putaran spindel terhadap keausan pahat pada proses bubut konvensional. Dalam penelitian ini dilakukan beberapa tahapan yang bertujuan agar penelitian tersebut dapat berjalan baik dan lancar dimulai dari tahap persiapan, pengumpulan data, pengolahan data, dan analisis hasil penelitian. Pada penelitian ini merupakan eksperimen yang membandingkan tingkat keausan mata pahat HSS ½ x 4 inch. Material yang digunakan adalah baja ST 42 dengan Panjang spesimen 300 mm dan diameter 25 mm dan di bubut dengan Panjang 250 mm dengan menggunakan variasi gerak makan 0,6, 0,7, 0,8 mm/put dan putaran spindel 400 rpm, 500 rpm, 600 rpm. Kemudian di timbang menggunakan timbangan digital.
Analisis Sudut Mata Potong Utama Pahat HSS dan Kedalaman Pemakanan Terhadap Kesilindrisan Baja ST 60 Pada Proses Bubut Memanjang Frans Robert Bethony, Robert Bethony; Martina pineng; Christof Geraldi Simon
INTEK: Jurnal Penelitian Vol 11 No 2 (2024): October 2024
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/intek.v11i2.5151

Abstract

This study aims to analyze the main cutting edge angle of HSS (high speed steel) chisel and the depth of cut on the cylindricity of ST 60 steel workpiece in the longitudinal turning process. The material used is ST 60 steel with a specimen length of 200 mm and a diameter of 30 mm and turned along 200 mm using variations of the main cutting edge angle, Kr (30, 45, 60, 90o) and the depth of cut, a (0.5; 1; 1.5; 2.0 mm) and other variables are set at constant conditions. Based on the results of this study, it can be concluded that the variation of the SS chisel cutting angle in the turning process produces an average total cylindricity value at a cutting angle of Kr 30o = 0.95 mm, Kr: 45o = 0.65 mm, Kr: 60o = 0.45 mm in other words, it can be concluded that the optimal cylindricity value occurs at a cutting angle of 90o = 0.15 mm. While the average cylindricity value at a cutting depth of a: 0.5 mm = 0.25 mm, a: 1 mm = 0.35 mm, a: 1.5 mm = 0.55 mm, a: 2.0 = 0.60 in other words that the optimal total cylindricity value is obtained at a cutting depth of 0.5 mm.
PELATIHAN OPERATOR KOMPUTER UNTUK MENINGKATKAN KOMPETENSI PEMUDA DI LUWU Suluh, Sallolo; Bethony, Frans Robert; Arhing, Fatmawati; Ridwan, Andika; Porayow, Tomy
Jurnal Abdimas Bina Bangsa Vol. 6 No. 1 (2025): Jurnal Abdimas Bina Bangsa
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/jabb.v6i1.1598

Abstract

Competency-based training programs are one of the solutions to overcome the Employment problems that we are currently facing at various levels of education throughout the country, this can be seen that job opportunities are often available but cannot be fulfilled due to the limited workforce who have the required skills. One way to overcome the employment problems we are facing is to carry out workforce skills training activities that are tailored to the needs of the competency-based labor market with the assumption that if they cannot fill the available job vacancies, prospective workers who have been trained can automatically open up jobs in the informal sector. The method implemented in this training is to open advertisements in the form of banners for Luwu youth who want to take part in computer operator training to register online. After the training participants have met the desired requirements, training is carried out which is trained directly by UKI Toraja Mechanical Engineering students who are carrying out the 2022 Professional KKN and are also employees who work at the Luwu Regency BLK. The results achieved in this community service activity are the Computer Operator Assistant Vocational Work Skills Implementation activity carried out at the UPT.BLK Luwu Regency Office from July 4 to August 18, 2022 with a total of 260 training hours and a training implementation time of 33 training days with 16 participants. All were declared successful and were entitled to receive a work training certificate.
Peramalan Jumlah Penerimaan Mahasiswa Baru Fakultas Teknik UKI Toraja dengan Metode Single Exponential Smoothing Glorya Maya Marcia Sapan Bethony; Christine Dewi; Frans Robert Bethony
Jurnal RESTIKOM : Riset Teknik Informatika dan Komputer Vol 6 No 3 (2024): Desember
Publisher : Program Studi Teknik Informatika Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/restikom.v6i3.375

Abstract

This study examines the effectiveness of the Single Exponential Smoothing method in forecasting the number of new student admissions at the Faculty of Engineering, Christian University of Indonesia (UKI) Toraja. This study analyzes historical data on student admissions for 11 academic years, from 2013/2014 to 2023/2024, covering four study programs, namely Mechanical Engineering, Civil Engineering, Informatics Engineering, and Electrical Engineering. The research methodology includes problem identification, data collection, analysis using the Single Exponential Smoothing method, and accuracy testing with Mean Squared Error (MSE). This study tested three values of alpha (α) = 0.1, 0.5, and 0.9. The results showed that the use of alpha = 0.9 resulted in more accurate forecasting for all study programs. This level of accuracy is validated through the lowest MSE scores, namely Mechanical Engineering of 1450.61 (prediction of 159 students), Civil Engineering of 10890.23 (prediction of 147 students), Informatics Engineering of 4332.86 (prediction of 247 students), and Electrical Engineering of 674.66 (prediction of 49 students). The comparative graph analysis of the forecast results with the actual data is consistent showing that alpha = 0.9 produces the trend closest to the actual data for all study programs. The practical implications of this study include the potential to improve the accuracy of capacity planning, more efficient resource allocation, and improve the quality of engineering at the Faculty of Engineering, UKI Toraja. These results also highlight the importance of proper selection of alpha parameters in the Single Exponential Smoothing method to optimize forecasting accuracy.
Tensile Analysis of Epoxy Resin Composite Material with Petung Bamboo Strip Reinforcement Bethony, Frans Robert; Pineng, Marthina; Paliling, Formanto; Simon, Christof Geraldi
INTEK: Jurnal Penelitian Vol 10 No 2 (2023): October 2023
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/intek.v10i2.4578

Abstract

This study aims to analyze the optimal tensile strength of epoxy resin composite material with woven bamboo strips (Dendrocalamus asper). Petung bamboo is made in strips measuring 0.01 cm, 0.1 cm wide, 45 cm long and then woven then soaked in brackish water with variations of soaking for 0, 1, 2, 3, and 4 weeks with river water salinity levels of 10, 20 and 30%. The printed composite material with a composition of 60% epoxy resin and 40% catalyst as a hardener with  1, 2, and 3-layer woven strips and held for 24 hours. Composite material printing by hand lay-up method. For 1 layer of woven composite material, epoxy resin is poured into a mold then woven petung bamboo strip and covered with epoxy resin pressed for 24 hours. The composite material is removed from the molded container and then left in an outdoor airtight room for one week. Composite materials are repaired to ascertain whether there are still defects or no longer exist, especially on the surface of composite materials. The next process is the manufacture of test samples, for tensile tests based on ASTM (D638-02) Before the test is carried out, the sample is repaired first to ensure that the sample is in a standard state to be ready for testing.  Test results of optimal tensile strength of composite materials with woven reinforcement of petung bamboo strips without immersion of 1 layer (40.22 MPa), 2 layers (50.13 MPa), and 3 layers (60.07 MPa). The optimal tensile strength of composite materials with 1 layer of webbing and soaking time of 3 weeks (51.08 MPa) has increased (19.12%). The optimal tensile strength of composite materials with 2-layer webbing and soaking time of 2 weeks (61.05 MPa) has increased (20.69%). The optimal tensile strength of composite materials with 3-layer webbing and soaking time of 2 weeks (70.15 MPa) has increased (19.08%). Keywords: composite material, bamboo petung, woven strip, brackish water, tensile strength
Design of Experiments (Doe) on Suspension Test Equipment of One Part Of A Vehicle Wheel Using The Taguchi Method Simon, Christof Geraldi; Paliling, Formanto; Lasarus, Risa; Salo, Lery Alfriany; Bethony, Frans Robert; ka’ka, Simon
INTEK: Jurnal Penelitian Vol 10 No 2 (2023): October 2023
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/intek.v10i2.4581

Abstract

Suspension is the most important thing that must be taken into account because it greatly affects driving comfort on the road. The working mechanism of the suspension consisting of spiral springs and shock absorbers is loaded vertically from the weight of the body, driver, and passengers. The uneven shape of the road surface in the form of potholes or bumps will greatly affect the comfort of the driver. This study aims to determine the effect of suspension work and the optimal value of vibration that occurs on one of the wheels of the vehicle against vertical dynamic loads. The method used in this study uses the Taguchi method which is used to determine the optimum dynamic load conditions against vibration in the suspension system.   The characteristics used in this method are "Smaller is better". Several variables such as bump height, tire pressure on the wheels, as well as vehicle body weight and passenger weight are necessary factors to calculate optimal dynamic load conditions against vibration in the suspension. Based on the results of the optimum value conditions obtained, namely the height of the mound of 5 cm, tire pressure of 32 Psi, load of 84 kg, and dynamic load of 71 kg. From the results of the contribution rate to the ANOVA obtained, factor A (bump height) and factor D (dynamic load) are significant factors while factor B (tire pressure) and factor C (load load) are insignificant factors. Under optimal conditions, there was a decrease in suspension vibration value by 49.65%.
KARAKTERISASI KONDUKTIVITAS TERMAL MATERIAL KOMPOSIT SERBUK ARANG DAN RESIN EPOXY DENGAN VARIASI KOMPOSISI Sallolo Suluh; Frans Robert Bethony; Eko Wahyu Saputra; Rizal Nazarrudin; Sabiqunassabiqun; Herman Pangloli
Strength : Jurnal Penelitian Teknik Mesin Vol. 1 No. 3 (2024): Desember 2024
Publisher : Universitas Pamulang Serang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Material komposit berbasis serbuk arang dan serat alami telah menjadi perhatian utama dalam pengembangan material ramah lingkungan dengan sifat mekanis dan termal yang unggul. Penelitian ini bertujuan untuk mengkaji konduktivitas termal material komposit yang dibuat dari campuran serbuk arang tempurung kelapa, tempurung kemiri, sekam padi, serat pelepah pisang, dan resin epoxy sebagai matriks. Variasi komposisi material dilakukan untuk menentukan kombinasi terbaik yang menghasilkan konduktivitas termal optimal. Metode penelitian meliputi pencampuran bahan, pencetakan spesimen dengan cetakan standar, dan pengujian konduktivitas termal menggunakan metode steady-state. Lima variasi komposisi material diuji, yaitu 60/20/10/10, 50/30/10/10, 40/40/10/10, 30/50/10/10, dan 20/60/10/10, dengan angka menunjukkan persentase dari tempurung kelapa, tempurung kemiri/sekam padi, serat pelepah pisang, dan resin epoxy secara berturut-turut. Hasil penelitian menunjukkan bahwa variasi 60/20/10/10 menghasilkan konduktivitas termal tertinggi sebesar 0,9236 W/mK ketika tempurung kelapa digunakan sebagai bahan dominan. Sebaliknya, konduktivitas termal terendah sebesar 0,3532 W/mK ditemukan pada variasi 20/60/10/10 dengan sekam padi sebagai bahan dominan. Penurunan konduktivitas termal pada proporsi sekam padi yang tinggi dikaitkan dengan peningkatan porositas material. Kesimpulannya, kombinasi optimal untuk aplikasi yang memerlukan sifat termal baik adalah komposisi dengan dominasi tempurung kelapa. Penelitian ini memberikan kontribusi penting dalam pengembangan material komposit berbasis serat alami untuk aplikasi teknis yang memerlukan isolasi termal yang efisien. Kata Kunci : komposit, konduktivitas termal, serbuk arang, serat alami.
The Effect of Clay, Alumina, and Starch Composition on The Characteristics of Thermal Insulation Cylinders Suluh, Sallolo; Bethony, Frans Robert; Simon, Christof Geraldi; Gallaran, Ferayanti Boas; Aket, Paulus; Pasampa, Enos
Jurnal Polimesin Vol 23, No 1 (2025): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i1.6176

Abstract

Efficient thermal insulation materials are crucial in improving performance, minimizing energy consumption, and maintaining safety in various industrial applications. This study examines the impact of multiple combinations of clay, alumina, and starch on the properties of thermal insulation cylinders. Five different composite samples were prepared by adjusting the percentages of clay and alumina while maintaining a consistent starch content. The samples were subjected to comprehensive tests to assess their water content, density, and porosity. Based on the findings, it was observed that as the alumina content increased, the water content and density of the composite materials decreased while their porosity increased. The sample labeled C6-A2 had the highest water content (9.19%) and density (1,087.04 kg/m³), while the sample labeled C2-A6 had the lowest water content (8.69%) and density (1,069.93 kg/m³). The range of porosity values observed was between 25.67% and 26.60%. It was observed that an increase in alumina content resulted in a corresponding increase in porosity. The findings indicate that the larger particle size and lower cohesion of alumina result in a more porous microstructure, affecting the material's overall properties. This study offers valuable insights into the composition optimization of clay, alumina, and starch to create customized composite materials suitable for various industrial applications. It focuses on achieving a delicate balance between water resistance, structural integrity, and thermal insulation
Co-Authors Aket, Paulus Allo, Angga Linggi Arhing, Fatmawati Chendri Johan Chendry Johan Christine Dewi Christof Geraldi Simon Damaris Arrang Dennis Lorenzo Eko Wahyu Saputra Ferayanti Boas Gallaran FIkran Fikran Formanto Paliling Frans Dedi Dena Fransiskus Fresly Glorya Maya Marcia Sapan Bethony Herman Pangloli Jhoy, Zerial Johan, Chendri ka’ka, Simon Lasarus, Risa Lery Alfriany Salo Mangopo, Dultudes Martina Pineng Nazarrudin, Rizal Nitha Nitha Noel Sangbua Nofrianto Pasae Pasampa, Enos Pineng, Marthina Porayow, Tomy Ranteallo, Obet Ridwan, Andika Riki Masero Risa Lasarus Sabiqunassabiqun Sallolo Suluh Sallolo Suluh Salo, Lery Alfriany Sampelawang, Petrus Simon, Christof Geraldi Sudirman, Zainal Suluh, Sallolo Widi Kurniawan Yafet Bontong Yusri Anugerah Manapa Ambabunga