The_Librarian

The parking mechanism is a very simple, yet effective mechanism :

The parking mechanism in action :


The heads in normal use (unparked) :


The parking mechanism (note the small iron piece - this will ensure that the lever stays in position) :
...

After removing the cover, we now can see the Hard Drive in its naked glory.



Quite impressive

All modern Hard Drives are operated via a voice coil. Older hard drives used a stepper motor.



Why a voice coil instead of a stepper motor?

A stepper ...

WARNING - DO NOT OPEN ANY WORKING HARD DRIVES WITHOUT A CLEAN-ROOM ENVIRONMENT.

YOU MAY DESTROY YOUR WORKING HARD DRIVE IF YOU OPEN IT WITHOUT THE PROPER EQUIPMENT IN A PROPER CLEAN-ROOM FACILITY!!!

Having said that, let us proceed.

During the course of my career I have opened many hard drives, just to see what these look like, and of course!!! To get the magnets!!!

Voice-coil magnets are extremely strong, and is just the thing needed to ...