Study the factor from tolerance with the result to gram load of head stack assembly

Abstract

Nowadays, Hard Disk Drive industrial is growing with research and development, which focus on a cost reduction and an increase of process performance. Main problem that occurs in the assembly process is the inappropriate tolerances, which cause to Gram Load value. This research studies the dimension and tolerance that relate to Gram Load value. The tolerances are generated in the Head Stack Assembly process. In addition, the mathematical model is generated to explain the relative of each parameters and it could be used for control and decrease the error of the assembly process.