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All Journal Dinamika : Jurnal Teknik Mesin FLYWHEEL : Jurnal Teknik Mesin Untirta SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Manutech : Jurnal Teknologi Manufaktur jurnal syntax admiration JTTM: Jurnal Terapan Teknik Mesin Integrated Science Education Journal Jurnal Akuntansi, Manajemen Dan Ekonomi Islam (JAM-EKIS) Dulang: Jurnal Pengabdian Kepada Masyarakat Jurnal Indonesia Sosial Teknologi Prosiding Seminar Nasional Inovasi Teknologi Terapan Jurnal Inovasi Teknologi Terapan
Erwansyah, Erwansyah
Jurusan Teknik Mesin, Politeknik Manufaktur Negeri Bangka Belitung
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Transportation Other

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Effect of Heat Treatment and Tempering Process on the Hardness of S55c Steel as A Cutting Blade Material for Plastic Shredding Machines Yudo, Eko; Ariyanto, Ariyanto; Erwansyah, Erwansyah; Suzen, Zaldy Sirwansyah; Sugiyarto, Sugiyarto; Dharta, Yuli; Zulfitriyanto, Zulfitriyanto
Integrated Science Education Journal Vol 7 No 1 (2026): January
Publisher : Cahaya Ilmu Cendekia Publisher

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Abstract

Purpose of the study: This study aims to optimize the heat treatment process of S55C medium-carbon steel by examining the combined effects of austenitizing temperature, quenching media, and tempering temperature on impact toughness. Methodology: An experimental approach was employed using quenching and tempering treatments. Quenching was performed at three austenitizing temperatures (950°C, 1000°C, and 1050°C) with three different cooling media—salt water, oil, and seawater—followed by tempering at 100°C, 200°C, 300°C, and 400°C. All heating processes were conducted in an electric furnace. Parameter optimization was carried out using the Taguchi method with an L9 orthogonal array. Mechanical performance was evaluated through Charpy impact testing, and confirmation experiments were conducted to validate the optimal parameter combination. Main Findings: The Taguchi analysis identified the optimal quenching condition at an austenitizing temperature of 1050°C with salt water as the cooling medium, yielding the highest impact toughness. Confirmation tests supported the reliability of this result. Additionally, the tempering process showed that increasing the tempering temperature decreased hardness while significantly improving toughness, indicating effective stress relief and improved ductility in the steel microstructure. Novelty/Originality of this study: The novelty of this study lies in the integrated optimization of quenching temperature and diverse cooling media, including seawater, using the Taguchi method, with a specific focus on toughness rather than hardness alone. This research provides new insights into tailoring heat treatment parameters for S55C steel to achieve superior impact resistance, offering practical guidance for more efficient and application-oriented heat treatment strategies in manufacturing industries.
Pengaruh Parameter Proses Terhadap Kekuatan Tarik Produk 3d Printing Menggunakan Filamen Polylactic Acid (PLA) Buatan R3d Maker Rikky Ardiansyah; Zaldy Sirwansyah Suzen; Erwansyah Erwansyah
Jurnal Indonesia Sosial Teknologi Vol. 2 No. 12 (2021): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4697.495 KB) | DOI: 10.59141/jist.v2i12.300

Abstract

Saat ini teknologi di dunia industri manufaktur telah mengalami kemajuan yang sangat pesat salah satunya adalah 3D printing. 3D printing merupakan salah satu teknologi yang mengubah data digital menjadi objek 3D dengan menggunakan proses Additive manufacturing pada saat memproduksi suatu produk. Penelitian ini dilakukan untuk mengetahui pengaruh infill pattern dan nozzle temperature terhadap kekuatan tarik produk 3D printing dengan orientasi sudut pencetakan vertikal sebesar 90° mengggunakan filamen polylactic acid (PLA). Pada penelitian material polylactic acid (PLA) akan dicetak sesuai dengan standar uji tarik ASTM D638-14 Type 4. Variasi parameter proses yang digunakan pada infill pattern berupa lines, cubic, cubic division, quarter cubic, grid, octet, concentric, zig zag, tri hexagon, triangles, gyroid, cross dan cross 3D dan nilai dari nozzle temperature yang digunakan sebesar 205°C, 215°C, dan 225°C. Pada penelitian menunjukan bahwa bahwa infill pattern dan nozzle temperature memiliki pengaruh terhadap kekuatan tarik produk 3D printing dengan orientasi sudut pencetakan vertikal sebesar 0° menggunakan filamen polylactic acid (PLA) Nilai kekuatan tarik tertinggi yang terdapat pada penelitian ini sebesar 42,5 MPa yang menggunakan infill pattern dengan tipe zig zag dan nozzle temperature sebesar 205°C. Sedangkan nilai kekuatan tarik terendah sebesar 30 MPa yang menggunakan infill pattern dengan tipe cross
ANALYSIS OF SERVICE QUALITY AND PRICE PERCEPTION ON CUSTOMER LOYALTY WITH PERCEIVED VALUE AS A MEDIATING VARIABLE AMONG VISITORS OF VILLA STAR HOMESTAY TAKENGON Yulia; Erwansyah, Erwansyah; Nasution, Muhammad Dharma Tua Putra
Jurnal Ilmiah Akuntansi, Manajemen dan Ekonomi Islam (JAM-EKIS) Vol. 9 No. 1 (2026): Jurnal Ilmiah Akuntansi, Manajemen, dan Ekonomi Islam (JAM-EKIS)
Publisher : Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/jam-ekis.v9i1.9431

Abstract

This study examines the effects of service quality and price perception on customer loyalty, with perceived value serving as a mediating variable among visitors to Villa Star Homestay Takengon. The research is motivated by the growing importance of understanding the determinants of customer loyalty in the hospitality sector amid intensifying competition and rising expectations for service excellence and price fairness. Employing a quantitative approach, data were collected from 155 guests and analyzed using Partial Least Squares–Structural Equation Modeling (PLS-SEM) with SmartPLS. The findings indicate that service quality does not directly influence customer loyalty but significantly affects perceived value. In contrast, price perception has a positive and significant impact on both perceived value and customer loyalty. Furthermore, perceived value significantly mediates the relationships between service quality, price perception, and customer loyalty. These results highlight perceived value as a key mechanism linking service and pricing factors to loyalty formation. Theoretically, this study reinforces Value-Based Marketing and Price Fairness Theory by emphasizing the strategic importance of perceived value. Practically, it offers managerial implications for hospitality businesses, suggesting that enhancing perceived value through superior service and fair pricing can effectively strengthen long-term customer loyalty.
PENGARUH VARIASI FRAKSI VOLUME DAN LAMA PERLAKUAN NAOH PADA KOMPSIT BERPENGUAT SERAT TEBU DENGAN MATRIKS POLYESTER TERHADAP KEKUATAN TARIK DAN IMPACT osama, sayyid; Masdani, Masdani; Erwansyah, Erwansyah
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 2 No. 01 (2022): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

Material development is expected to increase efficiency in the field of engineering, judging from the current good material is a material that meets several main standards such as composites. Composite is a material consisting of a mixture of two or more main elements, and composites have a light weight, high strength, corrosion resistance and cheaper price. Presearch aims to find out the effect of variations in volume fraction and length of difference in immersion ofsugarcane fiber using NaOH solution against tensile strength and impact, so that it can be used as potential information about fiber. Sugarcane that can produce a new quality material. The study used variations in volume fractions of 10%, 15% and 20% as well as the length of immersion using NaOH for 30, 60 and 90 minutes. From the tests that have been done, the highest average tensile test value is in the volume fraction of 15% and the length of NaOH treatment of 60 minutes is 36.73MPa and the lowest average value is in the volume fraction of 20% and the length of NaOH treatment is 90 minutes by 21.16 MPa. The maximum average value on the impact test is at a volume fraction of 20% and the length of naOH treatment of 60 minutes is 0.07290 joules / mm², and the average minimum value is in the volume fraction of 10% and the length of naOH treatment is 90 minutes by 0.02849 joules / mm².
PENGARUH VARIASI PARAMETER TERHADAP MATERIAL REMOVAL RATE DAN KEKASARAN PERMUKAAN STAINLESS STEEL 304 PADA PROSES CNC MILLING Dimas putra utama; Yudo, Eko; Erwansyah, Erwansyah
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 2 No. 01 (2022): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

Large material removal rate and minimal surface roughness are the desired objectives in the CNC MORI SEIKI MV40–m process with the right process parameters to obtain a large material removal rate response and minimal surface roughness. The parameters used are cut speed, nutritional depth and spindle speed. The experimental design used based on the response surface methodology method in the form of a behnken design box. The experiment was randomized as many as 3 replications to produce more optimal results. The results showed that for parameters that contribute greatly to material removal rate and surface roughness is cutting speed and depth of cut. To obtain a large material removal rate, the cut speed is set at 143.28mm/min and the depth of cut is set at 0.25mm with a yield of 4.694mm3/minute. And to get the minimal surface roughness value, the cut speed is 118.05mm/min and the depth of cut is 0.15mm with a yield of 0.964 μm.
Analisis Pengaruh Cutting Speed, Depth of Cut dan Feed Rate CNC Milling Terhadap Kekasaran Permukaan Aluminium 6061 Menggunakan Respons Surface Methodology (RSM) Asri, Wahyudi; Oktriadi, Yudi; Erwansyah, Erwansyah
Jurnal Inovasi Teknologi Terapan Vol. 4 No. 1 (2026): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v4i1.368

Abstract

The development of modern manufacturing industries demands increased process efficiency and high-precision machining quality. One of the key factors determining product quality is surface roughness, particularly in Aluminum 6061, which is widely used in the automotive and precision manufacturing industries due to its light weight, strength, and corrosion resistance. An improper combination of machining parameters can reduce surface quality and process efficiency. Therefore, this study aims to analyze the effect of cutting speed, depth of cut, and feed rate on the surface roughness of Aluminum 6061 and to determine the optimal parameter combination. The analysis was conducted using the statistical method Response Surface Methodology (RSM). The results show that all three machining parameters significantly affect surface roughness, with the optimal combination obtained at a cutting speed of 70 m/min, feed rate of 318.3 mm/min, and depth of cut of 0.7 mm, producing the lowest surface roughness value of 0.224 µm (Ra).
PELATIHAN PEMBENTUKAN DAN PENGEMBANGAN BADAN USAHA MILIK DESA BERBASIS WISATA BUDAYA PADA DESA MANTAR Ibrahim, Ibrahim; Mas’ad, Mas’ad; Mintasrihardi, Mintasrihardi; Herianto, Agus; Muhardini, Sintayana; Mahsup, Mahsup; Rejeki, Sri; Hasanah, Siti; Wahab, Abdul; Zainuddin, Zainuddin; Hayati, Mardiyah; Azizah, Asma; Burhanuddin, Burhanuddin; Saleh, M.; Sobry, M.; Syafruddin, Akhmad; Salahuddin, Muhammad; Erwansyah, Erwansyah
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 7, No 3 (2023): September
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v7i3.17404

Abstract

ABSTRAKKeberadaan Badan Usaha Milik Desa (BUMDes) Desa Mantar sudah terbentuk, namun masih memiliki kendala dalam pelaksanaan program. Tujuan kegiatan ini adalah untuk memotivasi melalui pelatihan pembentukan dan pengembangan badan usaha milik desa berbasis wisata budaya pada Desa Mantar.  Metode yang digunakan adalah sosialisasi berupa penyampaian materi dan tanya jawab. Hasil  Pengabdian kepada Masyarakat ini diketahui bahwa melalui pelatihan pembentukan dan pengembangan BUMDes sudah berjalan lancar dan memiliki dampak positif terutama peningkatan SDM dan sarana pengembangan dalam mengembangkan potensi desa. hasil Kedepan diperlukan program lanjutan yang bersifar aksi nyata dan sumber pendanaan yang mampu membantu BUMDes dapat berjalan dan mengembangkan program secara berkelanjutan.  Kata kunci: pelatihan; pembentukan; pengembangan; dan BUMDes ABSTRACTThe existence of Village-Owned Enterprises (BUMDes) in Mantar Village has been formed, but still has problems in implementing the program. The purpose of this activity is to motivate through training the formation and development of cultural tourism-based village-owned enterprises in Mantar Village. The method used is socialization in the form of delivery of material and questions and answers. The results of this Community Service show that through training the formation and development of BUMDes has been running smoothly and has a positive impact, especially increasing human resources and development facilities in developing village potential. In the future, a follow-up program is needed that is real action and a source of funding that is able to help BUMDes run and develop programs in a sustainable manner. Keywords: training; formation; development; and BUMDes
Co-Authors Abdul Wahab Agus Herianto Agus, Darma Afriliansyah Ahadiatullah, Wassi Angga Triatmaja Anggraini, Asty Ariyanto Ariyanto Asri, Wahyudi Azizah, Asma Budi, Abdul Burhanuddin Burhanuddin Dharta, Yuli Dimas putra utama Dwi Ranti Safitri Eko Yudo Estu, Panji Gentara, Raju Gusmantoro, Devri Haryoszi, Haryoszi Hasdiansah, Hasdiansah Hilman Maulana, Dikky Husman Husman Ibrahim Ibrahim Idiar , Idiar Idiar Idiar Idiar Idiar, Idiar Ilham Ary Wahyudie Juanda Juanda M. Saleh M. Sobry Mahsup, Mahsup Mardiyah Hayati Masdani, Masdani Mas’ad, Mas’ad Mintasrihardi, Mintasrihardi Muhammad Darmawan Muhammad Hasan Muhammad Rizki Muhammad Salahuddin Muhammad Setya Pratama Muhammad Yunus Nasution, Muhammad Dharma Tua Putra Oktavianto, Mario Oktriadi, Yudi osama, sayyid Pristiansyah, Pristiansyah Restu, Ilham Rifky Rizaldy Rikky Ardiansyah Rollastin, Boy S Suzen, Zaldy Shanty Dwi Krishnaningsih Sintayana Muhardini Siti Hasanah Somawardi Somawardi Sri Rejeki Sugianto Sugianto Sugianto Sugianto Sugiyarto Sugiyarto Sukanto Sukanto Suzen, Zaldy Sirwansyah SYAFRUDDIN, Akhmad Syahbilla, Muthiara Syahrizal, M. Razeev Talsa Fani Tuparjono . Wanto, Agus yulia Yulianto, Ferisa Zainuddin, Zainuddin Zaldy Kurniawan zuladin, yanuar Zulfitriyanto, Zulfitriyanto