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All Journal Jurnal Rekayasa Mesin JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY Piston: Journal of Technical Engineering Jurnal Pengabdian West Science AMMA : Jurnal Pengabdian Masyarakat Lentora Nursing Journal IJIMCE : International Journal of Innovation in Mechanical Construction and Energy Jurnal Pendidikan Teknik Mesin
Kriswanto
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Aerospace Engineering Humanities Automotive Engineering Chemistry Control & Systems Engineering Decision Sciences, Operations Research & Management Education Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Nursing Public Health Social Sciences

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vidya urbaningrum Penyuluhan Penyakit Diabetes Melitus Tipe II Pada Lansia Di Rt 6 Kelurahan Pantoloan, Kecamatan Tawaili : Penyuluhan Penyakit Diabetes Melitus Tipe II Pada Lansia Di Rt 6 Kelurahan Pantoloan, Kecamatan Tawaili Vidya urbaningrum vidya; Vidya Urbaningrum; Indo Iya Mappaita; Jesika Selin; Yelsi Putriana Lama; Sri Dewi Rahmawati; Fitriyah; Angraini; Irmawati; Kriswanto; Ekawati; Tasrif Shandy; Rifaldi; Stevani Susilia
AMMA : Jurnal Pengabdian Masyarakat Vol. 1 No. 11 (2022): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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

Abstract

Diabetes mellitus merupakan suatu penyakit metabolik yang ditandai dengan terjadinya peningkatan kadar gula dalam darah (hiperglikemik) yang terjadi karena adanya kelainan sekresi insulin, kerja insulin atau kedua-duanya. Peningkatan kadar gula darah melebihi batas normal merupakan suatu  tanda dari diabetes melitus (DM). Sebelum dan sesudah  melakukan  kegiatan penyuluhan tentang penyakit diabetes melitus tipe 2 pemateri memberikan beberapa pertanyaan secara Lisan sebanyak  3 Pertanyaan ini dilakukan untuk melihat bagaimana pengetahuan lansia. Dari 30 lansia yang hadir dalam kegiatan hanya beberapa lansia yang menjawab benar, sebagian lagi menjawab salah dan sebagianya tidak menjawab sama sekali pertanyaan yang di berikan. Pada saat penyuluhan media yang di gunakan adalah leaflet. Dalam kegiatan ini juga dilakukan tanya jawab Setelah selesai penyampaian materi. Pemateri Kembali memberikan pertanyaan secara lisan tentang penyakit diabetes melitus tipe 2 sebanyak 3 kali pertanyaan. Hal ini dilakukan untuk melihat bagimana lansia telah memahami materi yang telah disampaikan apakah mengerti atau tidak, dari 30 lansia yang hadir Sebagian menjawab bener dan Sebagian kecil menjawab kurang tepat. Dari Hasil kegiatan yang dilakukan, dapat disimpulkan bahwa melalui program yang telah dilakukan di Rt 6 Kelurahan pantoloan kecamatan tawaili pengetahuan lansia sebelum dilakukan penyuluhan masih sangat kurang. Namun setelah dilakukan penyuluhan, dan pemeriksaan langsung gula darah sewaktu sangat mengerti dan dapat diimpelemtasikan dikemudia hari.
Relationship of History of Exclusive Breastfeeding with Stunting Incidence in Toddlers 24 – 59 Months in the Marawola Health Center Work Area Ra'bung, Alfrida Semuel; Kriswanto; Metungku, Fany; Nurarifah, Nurarifah; Dg. Mangemba; aminuddin
Lentora Nursing Journal Vol. 2 No. 1 (2021): Oktober
Publisher : Pusat Penelitian & Pengabdian Masyarakat Poltekkes Kemenkes Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33860/lnj.v2i1.830

Abstract

Salah satu masalah kesehatan yang mengancam anak Indonesia bahkan dunia adalah stunting. Prevalensi kejadian stunting di Sulawesi tengah sebesar 21,4% dimana Kabupaten Sigi berada diurutan tertinggi ke tiga dengan prevalensi stunting 24,6%, setelah Kabupaten Donggala 34,9% dan Kabupaten Tojo Una-una 26,6%. Sebanyak 63 balita dari 463 balita usia 24-59 bulan mengalami stunting diwilayah kerja Puskesmas Marawola Kecamatan Sigi. Penelitian ini bertujuan untuk mengetahui hubungan riwayat pemberian ASI eksklusif dengan kejadian stunting pada balita usia 24-59 bulan di Wilayah Kerja Puskesmas Marawola Kabupaten Sigi. Jenis penelitian analitik dengan rancangan penelitian case control. Populasi dalam penelitian ini adalah balita stunting dan tidak stunting usia 24-59 bulan Teknik pengambilan sampel menggunakan metode proporsional random sampling. Sampel sebanyak 39 balita stunting dan 39 balita tidak stunting jadi total sampel sebanyak 78 balita berusia 24-59 bulan. Analisa data menggunakan uji Chi Square. Ada hubungan riwayat pemberian ASI eksklusif dengan kejadian stunting pada balita usia 24-59 bulan di wilayah kerja puskesmas marawola kabupaten sigi dengan nilai P=0,023 (P<0,05) nilai OR=2,875. Riwayat pemberian ASI eksklusif berhubungan dengan kejadian stunting pada balita usia 24-59 bulan diwilayah kerja Puskesmas Marawola Kecamatan Sigi. Perlu dilakukan pemberian edukasi tentang pentingnya pemberian ASI ekslusif untuk pecegahan stunting.
ENHANCING STUDENT CREATIVITY IN CNC COURSES THROUGH MARKETPLACE-BASED TEACHING FACTORY: A CLASSROOM ACTION RESEARCH Cahyanto, Septian Eko; Wirawan Sumbodo; Kriswanto
Jurnal Pendidikan Teknik Mesin Vol. 25 No. 1 (2025): June 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jptm.v25i1.24919

Abstract

The rapid transformation brought by Industry 4.0 and Society 5.0 demands vocational education to produce graduates who are not only technically competent but also creative and entrepreneurial. This study aims to enhance student creativity in CNC (Computerized Numerical Control) learning by implementing a marketplace-based Teaching Factory model. Using a Classroom Action Research (CAR) design, the study involved 20 students of the Mechanical Engineering Education Program over two learning cycles. Each cycle included planning, implementation, observation, and reflection stages. The results showed significant improvements across four assessed aspects: technical skills (from 74.1 to 86.6), product design (from 75.1 to 87.9), marketing (from 73.5 to 86.5), and reflective learning (from 78.2 to 91.0). The marketing aspect experienced the highest gain, indicating that digital marketplaces provide an effective platform for practical entrepreneurial learning. This study concludes that integrating marketplace platforms into Teaching Factory learning can significantly foster creativity and entrepreneurial skills in vocational students.
ANALYSIS OF EXHAUST EMISSIONS, NOISE, AND PERFORMANCE OF A 110CC MOTORCYCLE USING A PERFORATED-CLOSE CONICAL SILENCER MUFFLER khoirul huda; Kriswanto; Abdurrahman; MUHAMMAD NUR FAIZIN; Khoirudin Fathoni; Atta Putra Harjanto; R. Imanu Danar Herunandi; R. Ambar Kuntoro Mursit Gendroyono; Nugroho Fajar Susanto
Jurnal Pendidikan Teknik Mesin Vol. 25 No. 1 (2025): June 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jptm.v25i1.24983

Abstract

This paper analyzes the exhaust emission, noise, and performance of 110cc motorcycles experimentally through PCCS exhausts compared to standard exhausts. This study adopts an experimental method involving three tests: exhaust emission testing based on the SNI 09-7118.1-2005 standard, noise measurement using the static test procedure according to the UN-R 41-04 standard, and performance evaluation conducted with an inertial dynamometer. Implementing the PCCS exhaust system on a 110 cc automatic motorcycle positively impacts exhaust emissions, noise levels, and engine performance. Compared to the standard exhaust, the PCCS significantly reduces CO and HC emissions by 78.99% and 55.99%, respectively, while maintaining noise levels within regulatory limits in urban conditions. In terms of performance, the PCCS delivers higher torque and power output, particularly in the 3500–5500 RPM range, which aligns with typical riding conditions. These improvements are attributed to the system’s efficient exhaust flow and reduced backpressure. The PCCS exhaust presents a promising solution for enhancing environmental sustainability, performance, and rider comfort in small-displacement motorcycles.
ANALYSIS OF THE APPLICATION OF GAME BASE LEARNING IN VOCATIONAL EDUCATION OF LATHE MACHINING Abdissalam, Muhammad Wifaqurrokhman; Ari Dwi Nur Indriawan Musyono; Kriswanto; Yudiono, Heri
Jurnal Pendidikan Teknik Mesin Vol. 25 No. 1 (2025): June 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jptm.v25i1.27807

Abstract

This article examines the implementation of the Game-Based Learning (GBL) model in lathe machining education at vocational high schools (SMK). Lathe machining is a manufacturing process that produces cylindrical machine components using a lathe, in which the workpiece rotates and is subjected to a single-point cutting tool aligned with the workpiece axis. To improve the quality of lathe machining education, an effective instructional model such as Game-Based Learning is needed. This research applies a Systematic Literature Review (SLR) approach to identify and analyze six relevant studies published between 2020 and 2025 based on inclusion criteria. The findings show that GBL has a positive impact on increasing students’ learning motivation, engagement, and learning outcomes in lathe machining practice. The study concludes that GBL is an effective solution for practice-based learning in vocational education and recommends its wider adoption in technical vocational training.
UTILIZING E-MODULES TO ENHANCE STUDENTS’ ACHIEVEMENT IN UNDERSTANDING SMAW WELDING DEFECT ANALYSIS AT SMK N 5 SEMARANG Muhamad Reza Wahyu Prasetyo; Muhammad Khumaedi; Kriswanto; Ruben Bayu Kristiawan; Tegar Oki Prasdika
Jurnal Pendidikan Teknik Mesin Vol. 25 No. 1 (2025): June 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jptm.v25i1.28522

Abstract

Understanding welding defect analysis is a crucial competency in vocational welding education, especially in ensuring the quality and safety of welding outcomes. However, many students struggle to master this material due to the lack of interactive and adaptive learning media. This study aims to develop and implement an electronic module (e-module) to enhance student learning outcomes in Shielded Metal Arc Welding (SMAW) defect analysis at SMK N 5 Semarang. The research uses a Research and Development (R&D) approach based on the 4D model: Define, Design, Develop, and Disseminate. A one-group pre-test post-test design was used, involving 33 Grade XI Mechanical Engineering 2 students. The e-module was validated by experts and classified as "Valid" in terms of content, media, and assessments. Students' average scores increased from 40.61 in the pre-test to 78.64 in the post-test. Statistical analysis using the Wilcoxon Signed-Rank Test and paired t-test showed a significant difference (p < 0.001). The average N-Gain score was 0.63, indicating a moderate improvement. The results confirm that the e-module is both feasible and effective. It enhances students’ conceptual understanding and supports independent, technology-based learning aligned with the characteristics of digital-native learners.
The Use of E-Modules to Enhance Students’ Cognitive Achievement in Understanding Milling Machine Components Imam Fitrah Hadi; Khumaedi, Muhammad; Kriswanto
Jurnal Pendidikan Teknik Mesin Vol. 25 No. 1 (2025): June 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jptm.v25i1.28532

Abstract

Penelitian ini bertujuan untuk mengembangkan dan mengevaluasi keefektifan e-modul interaktif sebagai media pembelajaran untuk meningkatkan hasil belajar kognitif siswa pada pokok bahasan komponen mesin frais. Penelitian ini menggunakan metode Research and Development (R&D) dengan model pengembangan 4D (Define, Design, Develop, dan Disseminate). Subjek penelitian adalah siswa kelas XI Program Studi Teknik Pemesinan SMK Negeri 5 Semarang. Instrumen pengumpulan data meliputi soal pretest dan posttest, lembar validasi ahli materi dan media, serta angket respon siswa. Hasil validasi menunjukkan bahwa e-modul sangat layak digunakan dalam proses pembelajaran. Hasil uji coba menunjukkan adanya peningkatan hasil belajar siswa yang signifikan setelah menggunakan e-modul, dibuktikan dengan selisih skor pretest dan posttest yang dianalisis menggunakan uji-t. Rata-rata skor N-Gain menunjukkan adanya peningkatan yang cukup. Selain itu, respon siswa terhadap penggunaan e-modul tergolong sangat positif. Oleh karena itu, e-modul dianggap efektif sebagai media pembelajaran interaktif untuk meningkatkan pemahaman siswa tentang komponen mesin frais. Penelitian ini merekomendasikan penggunaan e-modul sebagai alternatif inovatif dalam pembelajaran berbasis teknologi dalam pendidikan kejuruan.
Corrosion and Wear Rate Analysis of SS304 Stainless Steel with Composite Coating Variations: Aluminum/Silicon Carbide/Epoxy and Titanium Dioxide/Silicon Carbide/Epoxy Niko Ario Septian; Hendrix Noviyanto Firmansyah; Kriswanto; Safriana, Eni
Jurnal Rekayasa Mesin Vol. 20 No. 2 (2025): Volume 20, Nomor 2, Agustus 2025
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v20i2.6634

Abstract

The palm oil industry presents significant challenges to material durability due to its corrosive and abrasive environment, particularly affecting components such as screw conveyors made from SS304 stainless steel. This study aims to analyze the influence of composite coating variations based on epoxy resin with the addition of aluminum (Al), silicon carbide (SiC), and titanium dioxide (TiO₂) on the corrosion and wear rates of SS304 in an H₂SO₄ medium. The methods employed include corrosion testing using the weight loss method in accordance with ASTM G31-72, and wear testing using the Ogoshi method following ASTM G99. Four specimen variations were evaluated: uncoated (Raw), pure epoxy, epoxy–Al–SiC (A), and epoxy–TiO₂–SiC (B).The results indicate that Specimen B exhibited the best corrosion resistance, with the lowest corrosion rate of 0.00798 mm/year, while Specimen A demonstrated the highest wear resistance, with a wear rate of 0.00042 mm³/kg·m. The pure epoxy specimen showed the poorest performance in both aspects. These findings confirm that the incorporation of reinforcing particles into the epoxy matrix plays a significant role in enhancing corrosion and wear resistance, thereby contributing to extended service life and improved equipment efficiency in extreme industrial environments.
The Effect of Compaction Pressure of Evaporation Boats, Kaolin and Rice Husk Charcoal Composition on Thermal Conductivity and Microstructure Casminto; Rusiyanto; Sunyoto; Kriswanto
IJIMCE : International Journal of Innovation in Mechanical Construction and Energy Vol. 1 No. 2 (2024): IJIMCE : International Journal of Innovation in Mechanical Construction and Ene
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/ijimce.v1i2.31

Abstract

Evaporation boats waste is a waste that is difficult to decompose which has characteristics as a material for makingowi, but its utilisation is still not optimal. The purpose of this study was to determine the effect of compaction pressure on the thermal conductivity and microstructure of aowi made from evaporation boats, kaolin and rice husk charcoal. The research method used was experimental. The independent variable used in this study is the kowi compaction pressure with variations of 20 MPa, 25 MPa, 30 MPa, 35 MPa. The composition of the materials used is 50% evaporation boats, 35% kaolin powder, and 15% rice husk charcoal and 15% water from the total weight of the materials in the mixing. The dependent variables in this study are thermal conductivity testing and microstructure observation. Control variables in this study are powder particle size 100 mesh, mixing time 90 minutes, thickness 2 and 4 mm, specimen diameter 40 mm, firing temperature used 8000C, and holding time 2 hours. The results showed that the average value of the highest thermal conductivity of 4.1045 W / MK at a compression pressure of 35 MPa and the lowest thermal conductivity value of 3.3499 W / MK at a compression pressure of 20 MPa. The higher the compression pressure, the greater the value of thermal conductivity. This is because the greater the compression pressure, the stronger the bond between particles and pores are reduced so that the density increases. The microstructure shows a difference in phase at each compression pressure given. The greater the compression pressure applied, the tighter the density of the material. Keywords: Compression Pressure, kowi, evaporation boats, kaolin, rice husk charcoal, thermal conductivity, microstructure
Characteristics of Aluminium 7075 Tool Profile for HDPE and PP Welding Against Tensile and Bending Malisi, Muhammad Sibro; Darsono, Febri Budi; Kriswanto; Alkafi, Abu Faqih; Rochim, Muhammad Nur; Masruhan, Fahmi Irsad
Piston: Journal of Technical Engineering Vol. 9 No. 1 (2025)
Publisher : Program Studi Teknik Mesin Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/pjte.v9i1.51351

Abstract

The increasing demand for lightweight materials in the automotive industry has led to the replacement of metal vehicle components with polymers such as High-Density Polyethylene (HDPE) and Polypropylene (PP) to support sustainable development and emission reduction. However, welding dissimilar polymers presents a challenge due to the limitations of conventional techniques. Friction Stir Welding (FSW) emerges as a promising solution by enabling solid-state joining below the melting point. This study investigates the effect of AA7075 tool profile variations—plain cylinder, threaded cylinder, and grooved cone—on the mechanical properties and macrostructure of HDPE-PP FSW joints. Experimental welding was performed at a rotational speed of 2920 rpm and a travel speed of 30 mm/min, with analysis including tensile tests (ASTM D638), bending tests (ASTM D790), temperature measurements, and macrostructural observations. Results show that the threaded cylindrical tool yielded the highest tensile strength (4 MPa) due to effective material flow, while the grooved cone tool produced the highest bending strength (6,8 MPa) through improved vertical and radial mixing. The plain cylindrical tool showed the weakest performance with significant welding defects. Overall, tool geometry significantly influences weld quality, and selection should be based on the mechanical requirements of the application. These findings emphasize the importance of tool design optimization to enhance joint strength and structural integrity in dissimilar thermoplastic FSW.
Co-Authors Abdissalam, Muhammad Wifaqurrokhman Abdurahman Abdurrahman Agus Wahyu Setiawan Alfarizy, Ibnu Alkafi, Abu Faqih Alwidad, R. M. Rois Aminuddin Amirudin, Eka Angraini Ari Dwi Nur Indriawan Musyono Atta Putra Harjanto Budi Darsono, Febri Burhanudin, Muh. Winarno Cahyanto, Septian Eko Casminto Darsono, Febri Budi Dg. Mangemba Dharma, Mahardika Setya ekawati Farras, Herdin Bergas Firmansyah, Muhammad Raihan Fitri, Devi Aisa FITRIYAH Hafizh, Muh. Abiyyu Hamdi, Ilham Falah Harahap, M. Abiyyu Hafizh Hendrix Noviyanto Firmansyah Heri Yudiono Imam Fitrah Hadi Indo Iya Mappaita Irmawati Iskandar, Ranu Jesika Selin Khoirudin Fathoni Khoirul Huda Laksono, Bakti Mahasurya, Muhammad Saddam Malisi, Muhammad Sibro Masruhan, Fahmi Irsad Maulana, Muhammad Akmal Metungku, Fany Misbah, Abdillah Habib Al Muhamad Reza Wahyu Prasetyo Muhammad Khumaedi Muhammad Nur Faizin Nashiruddin, Ja'far Faris Natasya, Alya Widya Niko Ario Septian Nugroho Fajar Susanto Nugroho, Cahyo Adin Nur Rochim, Mohammad Nurarifah Nurarifah Panjaitan, Eliza Laura Prananda, Muh. Ridwan Prasetyo, Dzaky Riyavika Pratama, Maharudin Wira Priambudi, Ajhi Bangun Putra, Andra Andika Qothrunnada, Nadhiva R. Ambar Kuntoro Mursit Gendroyono R. Imanu Danar Herunandi Ra'bung, Alfrida Semuel Ramadhani, Riski Refiana, Dian Rifaldi Rizqi Fitri Naryanto Rochim, Mohammad Nur Rochim, Muhammad Nur Ruben Bayu Kristiawan Rusiyanto Safriana, Eni Saputra, Muhammad Dwi Saputra, Muhammad Rizal Segoro, Satria Bayu Setiawan, Muh. Rizki Ivan Sri Dewi Rahmawati Stevani Susilia Suhartian, Muhammad Ryo Sunyoto Tasrif Shandy Tegar Oki Prasdika Ulhakim, Muhammad Zia Vidya Urbaningrum Vidya urbaningrum vidya Wirawan Sumbodo Yelsi Putriana Lama