Kaji Eksperimental Pengaruh Variasi Penambahan Poly Alpha Olefin Terhadap Laj…

ABSTRACT Lubricant is an important thing in the working system of the machining. Without the use of lubricants, it will cause friction and cause wear and tear so that energy is wasted and component life is reduced. The types of lubricants that are widely used are synthetic lubricants and mineral oil which are difficult to decompose by the environment, causing environmental damage, and their so…