Pengaruh Kecepatan Putaran Spindle dan Feed Rate terhadap Tingkat Kekasaran Permukaan Material AISI 4140 pada Proses Bubut. Journal of Applied Mechanical Engineering and Renewable Energy, [S. l.], v. 6, n. 2, p. 112–122, 2026. DOI: 10.52158/jamere.v6i2.1685. Disponível em: https://journal.isas.or.id/index.php/JAMERE/article/view/1685. Acesso em: 5 aug. 2026.