Hard Drive Manufacturing

The Making of a hard drive

On an assembly line for hard drives there cannot be any contamination. Air filtration keeps dust away from the hard drives being manufactured. The first part that is installed is called a voice coil magnet. As shown below
Voice Coil Magnet
The are called voice coils because they operate on the same principals as load speakers. Next a robot places one of the hard drive disks in the motor base. Another robot places a round metal spacer at the center of the disc, again. A robot locks the discs into place with a stainless steel clamp.

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