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All Journal Jurnal Ilmiah Poli Rekayasa R.E.M (Rekyasa Energi Manufaktur) Jurnal Jurnal Rekayasa Mesin INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Rang Teknik Journal Jurnal Teknik Mesin JURNAL CRANKSHAFT Reswara: Jurnal Pengabdian Kepada Masyarakat Teknosains : Jurnal Sains,Teknologi dan Informatika METAL : Jurnal Sistem Mekanik dan Termal Technologica Jurnal Salingka Abdimas IJIMCE : International Journal of Innovation in Mechanical Construction and Energy
Muharni, Riza
Jurusan Teknik Mesin Fakultas Teknik Universitas Muhammadiyah Sumatera Barat
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation

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PEMANFAATAN MINYAK JELANTAH UNTUK PEMBUATAN SABUN PADA BANK SAMPAH LIDAH MERTUA KOTA PADANG Earnestly, Femi; Firdaus, Firdaus; Leni D, Desmarita; Rahmawati, Rahmawati; Muharni, Riza; Yermadona, Helga
Reswara: Jurnal Pengabdian Kepada Masyarakat Vol 5, No 1 (2024)
Publisher : Universitas Dharmawangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46576/rjpkm.v5i1.3927

Abstract

Masalah sampah menjadi salah satu permasalahan dalam lingkungan hidup yang paling signifikan terjadi di Indonesia termasuk Kota Padang. Bank sampah merupakan salah satu solusi dari Pemerintah dimana bank sampah lidah mertua sebagai mitra kegiatan pebgandian kami adalah salah satu bank sampah kota Padang, dengan nasabah 100 orang. Nasabah bank sampah mempunyai permasalahan tentang bagaimana pengolahan minyak jelantah yang sudah menumpuk dirumah mereka masing-masing. Minyak jelantah jadi momok yang menakutkan bagi mereka karena apabila dipakai untuk menggoreng akan menyebabkan penyakit berbahaya (kanker, hipertensi, jantung, stroke), sedangkan minyak jelantah yang dibuang dapat mengakibatkan kerusakan lingkungan. Tujuan kegiatan pengabdian ini adalah memberikan inovasi untuk memanfaatkan minyak jelantah menjadi suatu produk bernilai jual, serta dapat meningkatkan keterampilan mitra. Metode pengabdian dilaksanakan yaitu workshop dan pendampingan secara langsung dengan peserta sebanyak 17 orang. Pembagian kuisioner awal dan akhir diberikan kepada mitra untuk mengetahui sejauh mana pemahamannya terhadap pembuatan sabun ini, dimana terjadi peningkatan keterampilan mitra dari 57% ke 93,53%.
Development of Betel Nut Splitting Machine Muharni, Riza; Kurniawan Arief, Rudi; Fitra, Muhammad; Dwiharzandis, Aggrivina
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.v1i2.21

Abstract

The main purpose of this design is to make betel nut splitting machine to obtain maximum and effective production results and reduce the risk of work accidents. The stages in the manufacture of this betel nut splitting machine consist of literature study, tool drawing design, tool and material preparation, tool making and assembly, then testing and analysis stages. Specifications of betel nut splitting machine with a length of 800 mm, width 600 mm, height 1000 mm. Basically, the process in the introduction rotor and the cleavage by the blade is designed in such a way as to fulfill the cleavage function. This machine could produce up to 160kg of betel nut within one hour.
DESIGN OF A MINI-SCALE CRYSTAL ICE SHAVING MACHINE AT CV. LEGUSA ICE KRISTAL, FIFTY-CITY DISTRICT USING SOLIDWORKS Fauzan; Muharni, Riza; Muchlisinalahuddin; Kesuma, Dytchia Septi
JURNAL CRANKSHAFT Vol. 9 No. 1 (2026): Jurnal Crankshaft Vol. 9 No. 1 (2026)
Publisher : Badan Penerbit Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/cra.v9i1.16720

Abstract

The crystal ice shaving process is one of the important stages in crystal ice production that affects the quality and efficiency of production, especially on a small scale business. In practice, the ice shaving machines used often have sizes that do not match the production capacity and are less efficient in energy consumption. These problems encourage the need to design a mini-scale crystal ice shaving machine that suits user needs. This study aims to design a mini-scale crystal ice shaving machine with a capacity of 5 kg/hour that has compact dimensions, is energy efficient, and is able to produce consistent ice shavings. The research method used is a machine design based on mechanical engineering calculations, including analysis of power requirements, transmission systems, machine elements, and modeling using SolidWorks software. The design results show that the machine with a 1 HP motor, a 14:1 pulley-belt transmission system, and a 250 mm diameter rotor is capable of producing a working rotation of 100 rpm with adequate torque. The resulting design is considered suitable for development to the manufacturing stage.
Co-Authors -, Ikhsan Ade Ari Agasi Ade Usra Berli Aggrivina Dwiharzandis Aggrivina Dwiharzandis Agus Afrianda Arief, Rudi Kurniawan Arif, Rusdy Arwizet Arwizet, Arwizet Dedi Wadianto Desmarita Leni Dewi, Aminar Sutra Dycthia Septi Kesuma Fajar Nur Fadhli Fauzan Femi Earnestly Firdaus Firdaus Firdaus Firdaus Firdaus Fitra, Muhammad Helga Yermadona Jana Hafiza Kaidir Kaidir Kesuma, Dytchia Septi Kurniawan Arief, Rudi Mela Melarizki Rizki Muchlisi Nalahuddin Muchlisinalahuddi Muchlisinalahuddi Muchlisinalahuddin Nalahuddin, Muchlisi Pingki Pernandes Rahmawati Rahmawati Rahmawati, Rahmawati Rais, Fajri Ridwan Maulana, Ridwan Sagyta Yeniza Putri Suryadimal Suryadimal Usriadi Usriadi Wenny Martiana Yogi Saputra