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All Journal Jurnal Pendidikan Teknologi dan Kejuruan JIPTEK : Jurnal Ilmiah Pendidikan Teknik dan Kejuruan Jurnal Sains dan Teknologi Rekayasa Mesin DEDIKASI: Community Service Reports Aceh International Journal of Science and Technology
Saputra, Taufik Wisnu
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Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Environmental Science Mathematics Mechanical Engineering Physics Social Sciences Other

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STUDI KESELARASAN PEMBELAJARAN CNC/CAM PADA LPTK, SMK, DAN INDUSTRI MENYONGSONG ERA REVOLUSI INDUSTRI 4.0 BIDANG MANUFAKTUR Estriyanto, Yuyun; Sutrisno, Valiant Lukad Perdana; Saputra, Taufik Wisnu
Jurnal Pendidikan Teknologi dan Kejuruan Vol 18, No 1 (2021): Edisi Januari 2021
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (151.904 KB) | DOI: 10.23887/jptk-undiksha.v18i1.30344

Abstract

Dalam bidang manufaktur, pemesinan CNC/CAM merupakan teknologi pemesinan yang paling berpotensi untuk dikembangkan menyesuaikan dengan revolusi industri 4.0. Penelitian ini dilakukan untuk melihat tingkat keterlaksanaan pembelajaran KI/KD CNC/CAM di SMK dan LPTK serta  relevansinya terhadap kebutuhan industri. Penelitian dilaksanakan dengan triangulation mixed method design, yaitu desain penelitian campuran antara kualitatif dan kuantitatif yang dilaksanakan secara bersamaan. Penelitian kuantitatif dilaksanakan dengan desain survei menggunakan instrumen kuesioner yang hasilnya diolah dan disajikan secara deskriptif, sedangkan pendekatan kualitatif dilaksanakan dengan metode interview dan observasi partisipatif yang hasilnya disarikan dan diinterpretasikan untuk memperkuat temuan penelitian kuantitatif. Penelitian dilaksanakan pada SMK-SMK di Kota Surakarta yang menyelenggarakan Kompetensi Keahlian Teknik Pemesinan. Dari penelitian ini ditemukan bahwa jenis mesin, controller, dan software CAM bukan lah suatu permasalahan dalam link and match pembelajaran CNC/CAM, akan tetapi, yang menjadi kunci keselarasan adalah KI/KD pembelajaran. Penelitian juga menemukan bahwa berbagai KI/KD dalam bidang CNC sebagaimana yang diamanatkan dalam kurikulum telah terlaksana dengan baik dalam pembelajaran di SMK maupun LPTK. Penelitian ini juga mengkonfirmasi bahwa KI/KD bidang CNC/CAM antara LPTK, SMK, dan industri, saat ini pada level ‘sangat relevan’. Penelitian ini juga mengungkap bahwa LPTK dan SMK cenderung konsisten menyampaikan KI/KD sesuai amanat kurikulum, sedangkan industri cenderung ada KI/KD tertentu yang cenderung lebih dominan dibanding dengan KI/KD yang lain.
Optimization of Injection Moulding Parameters for Constructing Motorcycle Footstep Cover Using an Environmentally friendly Composite Rifai, Muhammad Fajar; Widiastuti*, Indah; Saputra, Taufik Wisnu
Aceh International Journal of Science and Technology Vol 12, No 3 (2023): December 2023
Publisher : Graduate School of Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/aijst.12.3.34600

Abstract

Agra-forestry waste and recycled polypropylene have been combined to create sustainable composite materials for use in automotive applications in response to increased environmental concern over the depletion of petroleum-based resources. In this study, an injection molded motorcycle footstep cover was manufactured from recycled polypropylene (rPP) composite reinforced with ironwood powder. It aims to optimize the manufacturing process parameters of barrel temperature, mould temperature, and holding time in minimizing shrinkage and maximizing product weight. This current research employed the Taguchi L4 orthogonal array experimental design followed by the multi-objective grey relation analysis (GRA). In this study, the composite material consisted of 30% ironwood powder, 65% r-PP, and 5% coupling agent. The specimens were processed using injection molding with two different levels for each parameter of barrel temperature, moulding temperature, and holding time. The injection moulded products were then tested for shrinkage and product weight. The results showed that moulding temperature was the most influential parameter in getting a minimum shrinkage percentage, contributing 60.89%. Meanwhile, holding time contributes the most to achieving a maximum product weight (90.65%). After conducting a grey relation analysis and a confirmation test, the optimal parameters for shrinkage minimization and product weight maximization of motorcycle footstep cover are 210 of barrel temperature, 45 of moulding temperature, and 5 seconds of holding time. This research highlights the prospective applications of recycled polypropylene composite reinforced with ironwood powder for application as automotive parts.
STUDI KESELARASAN PEMBELAJARAN CNC/CAM PADA LPTK, SMK, DAN INDUSTRI MENYONGSONG ERA REVOLUSI INDUSTRI 4.0 BIDANG MANUFAKTUR Estriyanto, Yuyun; Sutrisno, Valiant Lukad Perdana; Saputra, Taufik Wisnu
Jurnal Pendidikan Teknologi dan Kejuruan Vol. 18 No. 1 (2021): Edisi Januari 2021
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (151.904 KB) | DOI: 10.23887/jptk-undiksha.v18i1.30344

Abstract

Dalam bidang manufaktur, pemesinan CNC/CAM merupakan teknologi pemesinan yang paling berpotensi untuk dikembangkan menyesuaikan dengan revolusi industri 4.0. Penelitian ini dilakukan untuk melihat tingkat keterlaksanaan pembelajaran KI/KD CNC/CAM di SMK dan LPTK serta  relevansinya terhadap kebutuhan industri. Penelitian dilaksanakan dengan triangulation mixed method design, yaitu desain penelitian campuran antara kualitatif dan kuantitatif yang dilaksanakan secara bersamaan. Penelitian kuantitatif dilaksanakan dengan desain survei menggunakan instrumen kuesioner yang hasilnya diolah dan disajikan secara deskriptif, sedangkan pendekatan kualitatif dilaksanakan dengan metode interview dan observasi partisipatif yang hasilnya disarikan dan diinterpretasikan untuk memperkuat temuan penelitian kuantitatif. Penelitian dilaksanakan pada SMK-SMK di Kota Surakarta yang menyelenggarakan Kompetensi Keahlian Teknik Pemesinan. Dari penelitian ini ditemukan bahwa jenis mesin, controller, dan software CAM bukan lah suatu permasalahan dalam link and match pembelajaran CNC/CAM, akan tetapi, yang menjadi kunci keselarasan adalah KI/KD pembelajaran. Penelitian juga menemukan bahwa berbagai KI/KD dalam bidang CNC sebagaimana yang diamanatkan dalam kurikulum telah terlaksana dengan baik dalam pembelajaran di SMK maupun LPTK. Penelitian ini juga mengkonfirmasi bahwa KI/KD bidang CNC/CAM antara LPTK, SMK, dan industri, saat ini pada level ‘sangat relevan’. Penelitian ini juga mengungkap bahwa LPTK dan SMK cenderung konsisten menyampaikan KI/KD sesuai amanat kurikulum, sedangkan industri cenderung ada KI/KD tertentu yang cenderung lebih dominan dibanding dengan KI/KD yang lain.
Analisis Implementasi Kecerdasan Buatan pada Pembelajaran di Prodi Pendidikan Teknik Mesin UNS Adhiluhung, Mursid; Perdana Sutrisno, Valiant Lukad; Saputra, Taufik Wisnu
JIPTEK: Jurnal Ilmiah Pendidikan Teknik dan Kejuruan Vol 18, No 1 (2025): January
Publisher : Faculty of Teacher Training and Education Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jiptek.v18i1.88644

Abstract

Perkembangan zaman membuat kemajuan teknologi meningkat sangat pesat. Terutama dibidang Pendidikan, muncul teknologi yang disebut AI. Adanya AI sangat membantu mahasiswa dalam pembelajaran.  Penelitian ini memiliki tujuan (1)   Untuk memperoleh gambaran penggunaan kecerdasan buatan dalam pembelajaran di prodi Pendidikan Teknik Mesin UNS; (2) Untuk mengetahui dampak penggunaan kecerdasan buatan terhadap pembelajaran di prodi Pendidikan Teknik Mesin UNS. Penelitian ini menggunakan mix method explanatory yaitu merupakan gabungan dengan pengumpulan data kuantitatif terlebih dahulu. Teknik penggambilan data angket dengan proportionate stratified random sampling dan wawancara dengan purposive sampling. Teknik validasi instrumen menggunakan uji validasi isi dan uji validasi konstruk serta triangulasi data untuk menjamin keabsahan data. Teknik analisis menggunakan kriteria penilaian dan reduksi data. Hasil penelitian ini menunjukkan implementasi kecerdasan buatan pada pembelajaran di Prodi PTM UNS berdasarkan 9 indikator. Dari 9 indikator tersebut 2 indikator pada kriteria sangat tinggi, 4 indikator pada kriteria tinggi dan 2 indikator pada kriteria normal. Hasil wawancara menunjukkan bahwa implementasi kecerdasan buatan memberikan dampak positif bagi pembelajaran. Tapi ada beberapa dosen yang kurang mengerti penggunaan AI oleh mahasiswa.
OIL FROM THE PYROLYSIS OF RICE HUSK BIOMASS AND COFFEE GROUNDS MIXTURE WITH POLYPROPYLENE PLASTIC Wulandari, Rani; Wijayanto, Danar Susilo; Saputra, Taufik Wisnu
Jurnal Rekayasa Mesin Vol. 16 No. 2 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v16i2.1870

Abstract

This study aims to determine the effect of the ratio of the composition of the mixture of rice husk and coffee grounds with PP plastic on quantity (volume of pyrolysis oil and distillation results) and quality (yield, density, viscosity, visual and color), as well as to determine the ratio of biomass variation with plastic that produces the most oil and the best quality. This study was conducted by mixing rice husk and coffee grounds biomass with PP plastic in the form of RDF-3 with a variation in composition of 0% : 100%, 25% : 75%, 50% : 50%, 75% : 25%, and 100% : 0%. The pyrolysis results are in the form of oil which is then distilled to separate the compounds contained in it and produce clean oil, then the volume of pyrolysis oil and distillation results is measured, yield testing, density, viscosity, visual and color are tested. The test results showed that there was an effect of a mixture of rice husk and coffee grounds biomass with PP plastic on quantity (volume of pyrolysis oil and distillation results) and quality (yield, density, viscosity, visual and color). The volume of pyrolysis oil and distillation products was the highest ratio of 100% PP with pyrolysis oil of 616.67 ml and distilled oil of 178 ml. The results of the best yield test were obtained with a ratio of 100% PP of 82.39%. The best density test obtained a 100% PP ratio of 846.6 kg/m3, the results of this density lead to the specification of diesel fuel. The viscosity value of the best pyrolysis oil is obtained with a ratio of 100 % PP of 0.65499 cP which leads to the specification of gasoline type fuel. The best visual and color testing of pyrolysis oil was obtained with a ratio of 100% PP with a clear and bright visual appearance with a clear yellow color, which is in accordance with the specifications of diesel and gasoline fuel. It was concluded that the best configuration was obtained with a ratio of 100% PP which led to the specification of diesel fuel.
Pyrolysis of Saw Waste Biomass Mahogany Wood and Polypropylene Plastic Safitri, Diya Zalfa Aisyah; Wijayanto, Danar Susilo; Saputra, Taufik Wisnu
JST (Jurnal Sains dan Teknologi) Vol. 12 No. 1 (2023): April
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jstundiksha.v12i1.51857

Abstract

Kebutuhan bahan bakar yang meningkat seiring meningkatnya jumlah penduduk serta kemajuan industri, sementara cadangan bahan bakar fosil terus berkurang. Masyarakat juga dihadapkan oleh permasalahan meningkatnya jumlah sampah, baik dalam bentuk organik maupun anorganik. Dalam hal ini limbah kayu mahoni dan limbah plastik polypropylene yang masih jarang dimanfaatkan oleh masyarakat dapat menjadi solusi untuk dijadikan bahan bakar alternatif diolah dengan proses pirolisis. Tujuan penelitian ini untuk mengetahui pengaruh variasi rasio komposisi limbah gergaji kayu mahoni dan limbah plastik polypropylene terhadap kuantitas minyak hasil pirolisis.  Penelitian ini dilakukan dengan cara melakukan proses pirolisis terhadap campuran biomassa limbah gergaji kayu mahoni dan limbah plastik polypropylene dengan rasio komposisi 100%:0%, 75%:25%, 50%:50%, 25%:75%, dan 0%:100% selama 90 menit selanjutnya dilakukan pengujian minyak pirolisis meliputi uji kuantitasnya. Terdapat adanya pengaruh variasi rasio komposisi campuran biomassa serbuk gergaji kayu mahoni dan limbah plastik polypropylene terhadap kuantitas minyak hasil pirolisis. Kuantitas terbanyak dihasilkan oleh campuran 100% limbah plastik polypropylene karena kuantitas minyak hasil pirolisis dipengaruhi oleh jenis bahan baku, jumlah bahan baku, dan temperatur pemanasan yang dicapai saat proses pirolisis.
Pengembangan e-Modul Panel Surya dengan Solar Tracker Single Axis pada Mata Kuliah Energi Baru dan Terbarukan Universitas Sebelas Maret Rohim, Ficky Febrian Nur; Wijayanto, Danar Susilo; Saputra, Taufik Wisnu
JIPTEK: Jurnal Ilmiah Pendidikan Teknik dan Kejuruan Vol 17, No 1 (2024): January
Publisher : Faculty of Teacher Training and Education Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jiptek.v17i1.79284

Abstract

The Mechanical Engineering Education Study Program FKIP Universitas Sebelas Maret, there is one of the new courses in the 2021 curriculum (independent curriculum, independent campus learning), namely New and Renewable Energy. The learning tools in the course are not yet fully available. Learning tools continue to progress with the times, and e-modules are one of them.  In this research developed a new and renewable energy learning e-module with a focus on utilizing solar energy using solar panels. Solar panels used are static solar panels and solar panels with a single axis solar tracker. The purpose of this study is to develop learning e-modules and find out the feasibility to be used in New and Renewable Energy courses. This study uses the Research and Development research method, with a 4-D model research model (Four D model), namely Define, Design, Development, and Disseminate. The Define stage results that the New and Renewable Energy course requires supporting learning tools, in the form of e-modules, e-module users are students of Mechanical Engineering Education class of 2021, with theoretical and practical learning concepts. The Design stage selects the format, drafts, and makes the initial draft. The Development stage tested the design results to two material expert lecturers, and the validation test of two media expert lecturers, then tested to 11 students. In the Disseminate stage, the e-module is submitted to the Mechanical Engineering Education Study Program, Faculty of Teacher Training and Education, Sebelas Maret University, Surakarta. For the results of this development research, in the expert test this e-module material obtained a score of 90.52% with a very decent category, in the media expert test a score of 88.88% was obtained with a very decent category. The results of the trial to students obtained a score of 84% with a very decent category.
The Optimization of Savonius Helix Wind Turbine Cut-in Speed with the Variation of Blades-twist Rotor and Number of Blades Prabowo, Handy; Wijayanto, Danar Susilo; Saputra, Taufik Wisnu; Bakar, Mohd. Shafie bin
JIPTEK: Jurnal Ilmiah Pendidikan Teknik dan Kejuruan Vol 16, No 2 (2023): July
Publisher : Faculty of Teacher Training and Education Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jiptek.v16i2.71389

Abstract

Wind turbines are typically classified as Horizontal Axis Wind Turbines (HAWT) or Vertical Axis Wind Turbines (VAWT). VAWT has a superior ability to accelerate from rest to rotation than HAWT, allowing it to rotate the rotor even when the wind speed is low; additionally, the produced torque is relatively high. Using the Savonius helix VAWT is one of the numerous methods for enhancing VAWT performance. The effect of the number of blades and the blade twist of the rotor or the angle of rotation of the blades on the rotor from the bottom end to the top end on the speed cut generated by the VAWT Savonius helix was investigated experimentally. Variations in the number of blades used in the study included 2 and 3 blades, as well as 90°, 180°, 270°, and 360° for the rotor twist blades. In a wind tunnel, data was collected at wind speeds ranging from 0 to 5 m/s. The best performance research results were obtained With three blades, a twist angle of 180 degrees, and a cutting speed of 1.51 m/s. By modifying the Savonius Helix VAWT design in this study, it is possible to increase the efficiency and performance of turbines, mainly when used at low wind speeds, and the potential for using wind energy as a more efficient and sustainable alternative energy source.
Pendampingan Publikasi Ilmiah sebagai Pengembangan Keprofesian Berkelanjutan Guru SMK di Surakarta Estriyanto, Yuyun; Saputra, Taufik Wisnu; Towip, Towip; Widiastuti, Indah
DEDIKASI: Community Service Reports Vol 5, No 1 (2023): DEDIKASI: Community Service Report - January
Publisher : FKIP Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/dedikasi.v5i1.66596

Abstract

Continuing Professional Development (CPD) for teachers includes self-development activities, scientific publications, and innovative works. Scientific publications are often an obstacle to a teacher's career. Therefore, the skill of writing a scientific paper is a competency that must be possessed by teachers. This community service aims to provide assistance and improve scientific writing skills for Vocational High School (SMK) teachers. The method used consists of a classical approach of holding workshops and individual post-workshop assistance until submitting participant articles to scientific journals. Based on the results of the program, it was found that: (1) the teachers showed high enthusiasm in participating in the program; (2) there is one participant who successfully published his article in the Indonesian Sinta indexed journals; (3) participants who are still in the process and who have already had draft articles still need individual assistance until they can publish into scientific journals. The mentoring program is still needed on an ongoing basis so that writing culture is formed as a part of the CPD program.
Co-Authors Adhiluhung, Mursid Bakar, Mohd. Shafie bin Danar Susilo Wijayanto Indah Widiastuti Perdana Sutrisno, Valiant Lukad Prabowo, Handy Rani Wulandari Rifai, Muhammad Fajar Rohim, Ficky Febrian Nur Safitri, Diya Zalfa Aisyah Towip, Towip Valiant Lukad Perdana Sutrisno, Valiant Lukad Perdana Widiastuti*, Indah Yuyun Estriyanto