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All Journal Dinasti International Journal of Education Management and Social Science Jurnal Pengabdian Masyarakat dan Penelitian Terapan
Margono Sugeng
Universitas Dian Nusantara, Jakarta, Indonesia
Agriculture, Biological Sciences & Forestry Arts Humanities Economics, Econometrics & Finance Education Social Sciences

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Effect Of Cutting Speed Variation On Wear And Life Of Lathe Tool Blade In Skd11 Steel Material Bachrudin Bachrudin; Margono Sugeng
Dinasti International Journal of Education Management And Social Science Vol. 6 No. 1 (2024): Dinasti International Journal of Education Management and Social Science (Octob
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijemss.v6i1.3425

Abstract

The manufacturing process is a process carried out to produce physical or chemical changes in raw materials. The manufacturing process is carried out in several steps starting from raw materials to the machining process. The machining process is a series of workpiece forming processes using cutting tools by cutting layers of material into the desired shape. This study aims to analyze the effect of cutting speed on lathe tool wear on SKD11 steel. This study uses an experimental method, using the transverse turning method. Transverse turning is a turning process when the cutting tool movement is parallel or linear with the spindle axis. The test specimens will be turned starting with determining the turning parameters, namely the feeding motion (f) 0.16 mm / rev, depth of cut (depth of cut) 1.0 mm, with variations in cutting length (Lt) 200 mm, 400 mm and 600 mm. then varying the cutting speed (Vc) starting from 99m/min, 172 m/min and 292 m/min. Based on the results of the test data obtained, it shows that; Cutting speed (Vc) affects the wear of the lathe tool blade on SKD11 material. The higher the cutting speed (Vc), the more the tool blade wear value (VB) increases.This is due to heat and friction between the cutting edge and the test piece. The wear that occurs on the lathe tool blade is edge wear or abrasive wear due to the continuous contact of the two materials so that it rubs between the lathe tool blade and the SKD11 material and is also caused by the thixotropy phenomenon.
Ketahanan Ekonomi, Pangan, dan Pencegahan Stunting Melalui Transformasi Sampah Daun Menjadi Pupuk Organik Berbasis Ekonomi Sirkular di Organisasi Remaja Democare Meruya Utara Lutfi Alhazami; Wenny Desty Febrian; Margono Sugeng; Irma Rahmawati; Vina Vina; Siaw Siau Sie
Jurnal Pengabdian Masyarakat dan Penelitian Terapan Vol. 4 No. 3 (2026): Jurnal Pengabdian Masyarakat dan Penelitian Terapan (Juli - September 2026)
Publisher : Greenation Publisher & Yayasan Global Resarch National

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/jpmpt.v4i3.2298

Abstract

Pengelolaan sampah organik masih menjadi permasalahan di kawasan perkotaan padat penduduk, terutama ketika sampah daun belum dimanfaatkan secara optimal sebagai sumber daya produktif. Program pemberdayaan masyarakat ini bertujuan meningkatkan kapasitas Organisasi Remaja Democare Meruya Utara dalam mengubah sampah daun menjadi pupuk organik melalui pendekatan ekonomi sirkular yang diintegrasikan dengan urban farming, ketahanan pangan keluarga, dan pencegahan stunting. Program menggunakan pendekatan pemberdayaan partisipatif melalui sosialisasi, pengenalan teknologi, pelatihan teknis, penerapan teknologi, pendampingan, evaluasi, dan perencanaan keberlanjutan. Implementasi awal dilaksanakan pada 7 Juli 2026 dengan materi pengelolaan sampah organik, pemanfaatan kompos, penggunaan teknologi pencacahan sampah, urban farming, manajemen usaha, pemasaran, serta edukasi gizi. Program diarahkan untuk mengatasi kondisi awal berupa timbulan sampah daun dan ranting sekitar 300–400 kg per minggu, sementara kapasitas pengolahan sebelumnya masih terbatas. Kebaruan program terletak pada integrasi pengelolaan sampah organik, produksi kompos, urban farming, penguatan ekonomi, dan kesadaran gizi dalam model ekonomi sirkular berbasis masyarakat. Evaluasi kuantitatif terhadap pengetahuan, kapasitas pengolahan sampah, produksi kompos, dan hasil urban farming digunakan untuk mengukur efektivitas program.
Co-Authors Bachrudin Bachrudin Irma Rahmawati Lutfi Alhazami Siaw Siau Sie Vina Vina Wenny Desty Febrian