Spare part requirement and inventory policy for Rovema's 1 machine using Reliability Centered Spare (RCS) and Min-Max stock methods

XYZ company is a manufacturing company engaged in the field of medicines, food, and natural products. One of the problems found in the machine delay, called "outstanding". An outstanding occurs is mostly caused by the unavailability of the spare parts. Based on the downtime losses data, the highest downtime, as well as unavailability spare parts, was owned by Rovema's machine, one of the packaging machines in food plant division. Therefore in this research, the Reliability Centered Spare (RCS) method was applied to calculate the optimal critical spare part policy using the Poisson process and Min-Max stock analysis. The analysis result shows that the critical component of Rovema's machine is steel band and brass insert are must be stored in a technical warehouse for one year ahead with optimal inventory quantity is 18 and 15 pieces with minimum stock is 10 pieces each.