Karminto Karminto
Sekolah Tinggi Teknologi Warga Surakarta

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Penerapan Mesin Perajang Karak Nasi Sistem Slicer di Dusun Kragilan UKM Barokah Sukoharjo Joko Yunianto Prihatin; Karminto Karminto; Bambang Teguh Barata; Ida Komang Gereha
E-Dimas: Jurnal Pengabdian kepada Masyarakat Vol 13, No 4 (2022): E-DIMAS
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/e-dimas.v13i4.11304

Abstract

Karak Nasi atau kerupuk nasi, gendar merupakan makanan khas daerah Sukoharjo Jawa Tengah. Karak terbuat dari beras dan berbentuk lempengan tipis kotak yang digoreng hingga gurih sebagai makanan camilan ataupun lauk. Permasalahan utama adalah kapasitas produksi yang belum mampu mencapai kebutuhan permintaan konsumen. Permintaan pelanggan 20.000/hari hanya mencapai 10.000/hari, di samping itu penerapan proses perajangan masih menggunakan pisau manual. Tujuan dari pelaksanaan pengabdian ini adalah untuk penerapan teknik perajangan dengan pisau slicer. Selanjutnya bertujuan untuk meningkatkan kapasitas produksi untuk memenuhi permintaan penjualan. Hasil pelaksanaan ini adalah diterapkannya mesin perajang sistem pisau slicer dengan penggerak motor listrik 1/4 pk yang hemat listrik. Mesin ini mampu mencapai kapasitas produksi 70 kg/jam atau hasil lembaran potongan karak nasi 21.000/hari. 
Peningkatan Kesejahteraan UKM Mulyo Waras melalui Pelatihan Pembuatan Pakan Domba dengan Mesin Pencacah Semi-Otomatis: Improving The Welfare Of UKM Mulyo Waras By Training In Making Sheep Feed Using A Semi-Automatic Chopper Machine Karminto Karminto; Kaleb Priyanto; Martinus Heru Palmiyanto; Bambang Hari Priyambodo; Suhartoyo Suhartoyo; Nugroho Tritmoko
Jurnal Suara Pengabdian 45 Vol. 2 No. 2 (2023): Juni: Jurnal Suara Pengabdian 45
Publisher : LPPM Universitas 17 Agustus 1945 Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56444/pengabdian45.v2i2.762

Abstract

Wonogiri Regency, Central Java, is famous for its large number of residents who work as breeders, especially sheep/goat breeders. The feed for goats/sheep breeders in Wonogiri district is sourced from weeds. However, the enumeration was still done manually using a sickle, so the enumeration process was ineffective because it required more time and effort. Through this community service scheme, the process of making a machine for chopping weeds is carried out which will later be used as fodder for goats/sheep, especially in the Wonogiri area. The machine is driven by an electric motor and there is a chopping knife which is designed to be more effective. The results of this community service program show that the increase in sheep feed production increased from 200 kg/day before using the machine to 350 kg/day or an increase of up to 75% when compared to without the chopping machine.
Studi Eksperimental Karakteristik Pressuredrop Dan Pola Aliran Dua Fase Air-Udara Pada Ellbow Mitter 60º Burhan Agus Saputra; Karminto Karminto
Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol. 5 No. 3 (2025): November : Jurnal Teknik Mesin, Elektro dan Ilmu Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/teknik.v5i3.8264

Abstract

Abstract. Two-phase flow has very complex phenomena compared to single-phase flow, including interactions between phases, surface deformation and movement between fluids, changes in flow patterns, and so on. In addition to these phenomena, one of the phenomena that often appears in two-phase flow is pressure drop. This study aims to determine the characteristics of pressure drop and two-phase flow patterns in elbow mitter with an angle of 60º. The test section is made of acrylic pipe with an inner diameter of 36 mm and connected with PVC pipe from horizontal to vertical positions. Testing is carried out by varying the superficial velocity of water from 0.022 m/s - 0.034 m/s and variations in air volumetric quality (β) from 0.80 - 0.92. With water - air as the working fluid. The flow pattern is visualized with a cellphone camera and the pressure drop is measured with a U-tube manometer. The results of this study show that the lowest pressure drop value is at Usl 0.032m/s and β 0.92 with a pressure drop value of 402.20 N/m, and the highest pressure drop value is at Usl 0.028m/s and β 0.80 with a value of 1020.20 N/m with an average calculation value of 667.70 N/m, and the most dominant flow patterns are dispersed bubble flow, plug flow, slug flow, and churn flow.