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dimas adi prasetyo
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PENGEMBANGAN E-MODUL DALAM LAYANAN BIMBINGAN KELOMPOK TEKNIK HOME ROOM TENTANG SELF EFFICACY PADA SISWA SMP MUHAMMADYAH 1 KALASAN dimas adi prasetyo; Akhmad Fajar Prasetya
JCOSE Jurnal Bimbingan dan Konseling Vol 4 No 2 (2022): JCOSE: Jurnal Bimbingan dan Konseling
Publisher : Program Studi Bimbingan dan Konseling, FKIP Universitas Pancasakti Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24905/jcose.v4i2.94

Abstract

Penelitian ini bertujuan untuk mengetahui kelayakan media penunjang layanan bimbingan kelompok berbasis elektronik berupa modul elektronik tentang self efficacy. Jenis penelitian ini R&D (Research and Development) dengan metode Brog and Gall. Model pengembangan ini hanya sampai tahap revisi produk saja. Studi pendahuluan dengan observasi dan wawancara, serta didukung oleh hasil pernyataan guru BK. Subjek penelitian siswa Smp Muhammadyah 2 kalasan tahun ajaran 2019/2020. Hasil penelitian pengembangan ini diukur berdasarkan penillaian dari uji ahli materi dan uji ahli media. Hasil penilaian uji ahli materi mendapatkan nilai sebesar 87,5 dengan kategori Sangat Baik. Sedangkan Uji Ahli Media mendapatkan nilai sebesar 81,25 dengan kategori Baik. Hasil penilaian secara keseluruhan dengan nilai rata-rata yang didapat sebesar 84,375 dengan kategori Sangat Baik. Berdasarkan hasil tersebut maka Pengembangan e-modul dalam layanan bimbingan kelompok teknik home room tentang self efficacy pada siswa SMP Muhammadyah 1 Kalasan Layak untuk digunakan.
Analisa Bubble Welding pada Proses Pengelasan Material Termoplastik SAN AS Menggunakan Mesin Ultrasonic Welding Fogot Endro Wibowo; Evyta Wismiana; Fauzhia Rahmasari; Dimas Adi Prasetyo
Jurnal Teknologi Vol 10, No 1 (2022): Jurnal Teknologi
Publisher : Universitas Jayabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31479/jtek.v10i1.196

Abstract

The main problem that occurs in most ultrasonic welding processes on thermoplastic SAN (AS) materials that use ultrasonic welding machines is the selection of inappropriate parameters. This will cause various defects in the product, one of which is bubble welding. One of the most influential parameters on the welding results is the frequency and current parameters. This is because this parameter has a fairly high level of sensitivity to the welding results. Therefore, the purpose of this study was to examine the effect of frequency and current on the product produced by welding on 5 different parameters using 10 available samples. To determine the effect of the parameters of the magnitude of the frequency and current, the inspection method is used. This method aims to visually test the quality of the welding results. Based on the test, the results were obtained that by using the parameters of the frequency magnitude of 8 - 14 Hz and current of 15 - 18 amperes can produce the best welding results.
Co-Authors Akhmad Fajar Prasetya Evyta Wismiana Fauzhia Rahmasari Fogot Endro Wibowo