Abstract

An efficient preventive maintenance requires scheduling process. The first step of this process is to calculate the standard time for each maintenance activity. This research aims to calculate the standard time for preventive maintenance activities for CNC Router machines at PT X through three stages: (1) Interviews and direct observation with the relevant machine operators to obtain a list of maintenance activities, (2) measure the cycle time of each maintenance activities, (3) Calculate Standard time based on cycle time measurement data. The research results show that it takes a total of 100 minutes to carry out the daily maintenance process, 95 minutes for the weekly maintenance process, 790 minutes for the maintenance process after 2000 hours, and 1140 minutes for the maintenance process after 4000 hours. This result can be used as input for the scheduling process for CNC Router machines maintenance at PT. X.

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