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VARIASI SUDUT POTONG DAN KECEPATAN POTONG TERHADAP LAJU PEMAKANAN MATERIAL SCM 440 Arianda Pratama; Zaldy Kurniawan; Husman -; Ilham Ary Wahyudie
Machine : Jurnal Teknik Mesin Vol 9 No 2 (2023): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v9i2.3611

Abstract

During the workpiece turning process, several factors affect the final workpiece, such as the cutting angle and cutting speed. The purpose of this study was to determine the effect of variations in cutting angle and cutting speed on the material consumption rate of SCM 440. The method used in this study is the Response Surface Methodology (RSM), with a two-parameter design, each of which has three levels for each parameter variation. . The results of data analysis obtained eigen values ​​with different signs (positive and negative) which indicated that the stationary point values ​​were in the form of saddle points with a stationary point values of x1 (cutting angle) of -1.686 and x2 (Vc) of 0.199. From the uncoded process, the optimal value for the MRR factor is obtained, namely the cut angle of 10.64° and Vc of 15.28 m/min. The optimum feed rate for SCM 440 material is obtained at an optimal value of neither minimum nor maximum or a saddle point shape at a cutting angle cut of 10.64° and Vc of 15.28 m/min with an MRR area of ​​300-400 mm3/minute.
Ontologi: Memahami Hakikat Realitas dan Aplikasinya dalam Ilmu Akuntansi Pransida Budaya; Riduan Riduan; Darwin Effendi; Zainul Rifqi; Arianda Pratama
Journal Innovation In Education Vol. 3 No. 2 (2025): Journal Innovation in Education (INOVED)
Publisher : STIKes Ibnu Sina Ajibarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59841/inoved.v3i2.2929

Abstract

This article comprehensively reviews the definition of ontology as a branch of philosophy that studies the nature of existence or reality. Furthermore, the discussion focuses on the application of the concept of ontology in the context of accounting science. It explains how ontology influences our understanding of the objects of accounting study, ranging from assets, liabilities, equity, to economic transactions. A deep understanding of ontology is expected to provide a strong basic framework for the development of more relevant and robust accounting theories and practices.
Implementasi Kepemimpinan Transformasional Dalam Meningkatkan Motivasi Kerja Guru Di Upt Sd Negeri 03 Muaradua Riduan Riduan; Pransida Budaya; Arianda Pratama; Zainul Rifqi; Dessy Wardiah; Eni Heldayani
PESHUM : Jurnal Pendidikan, Sosial dan Humaniora Vol. 5 No. 4: Juni 2026
Publisher : CV. Ulil Albab Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/peshum.v5i4.17446

Abstract

Education has an important part in improving the human resources quality, with the principal playing a main part in managing resources and making a conducive work climate. This mini reserch purpose is analyzing and describing the implementation of the head master transformational leadership at the UPT SD Negeri 03 Muaradua and its impact on teacher work motivation. The study focuses on four main dimensions according to Bernard M. Bass: idealized influence, inspirational motivation, intellectual stimulation, and individualized consideration. Furthermore, this study evaluates the level of teacher work motivation, reflected in the aspects of responsibility, commitment, discipline, work enthusiasm, and professional development, and identifies supporting and inhibiting factors in their implementation. The novelty of this study lies in its location at the UPT level of elementary schools in South OKU Regency, which has rarely been studied empirically, with a particular emphasis on work motivation as the main impact variable. The results are expected providing contributions in theory, theoretically the contributions to the study of educational leadership and practical recommendations for principals to optimize leadership practices to improve the quality of studying and the professionality of teacher.