Preventive maintenance approach for improving the efficiency of SCM Olimpic K-800 Auto Edgeband machineRetno Indriartiningtias, Sabarudin Akhmad, Muhammad Azmi Alamsyah, Devano Arya Ardana, Sugeng Purwoko and MualimEPJ Web Conf., 344 (2025) 01040DOI: https://doi.org/10.1051/epjconf/202534401040