Maximized HDD Automatic Tester Utilization Management

Abstract

The utilization and efficiency management for Hard Disk Drive (HDD) automatic tester is very important in HDD manufacturing. Planner needs to ensure that scheduled loading plans are not interrupted and met a master production scheduling (MPS) target. In order to maximize HDD automatic tester utilization rate, the queuing and scheduling management is critical. Therefore, the study is to develop an optimized approach that deploying Six Sigma methodology, Queuing, Timing and Scheduling theory. The study comprises a total of 10 factors used for evaluating and applying with Six Sigma methodology, queuing, timing and scheduling theory. The study identifies these 10 important factors which influence HDD automatic tester utilization. The 10 important factors are identified as follows: job sequence time optimization, job discontinues time, two job with completed processing time, continuous job constraints ready time, Inter-relationship among job release time, concentrated job parallel time, job concentrated belong customer or order, job denoted by its position, job completion a partial schedule and job established under condition define. Furthermore, a Design of Experiments (DOE) is conducted and reveals that only 7 factors from 10 factors are influence to utilization level. They are job sequence time optimize, two job with completed processing time, inter-relationship among job release time, concentrated job parallel time, job concentrated belong customer or order, job completion a partial schedule and job established under condition define to achieve the MPS loading plan.

Keywords : Automatic Tester Utilization / Time Management / Queuing Management and Scheduling Management / Hard Disk Drive (HDD) / Master Plan System (MPS) / Design of Experiments (DOE)