How to make the grinding machine tool from Hard Drive.

We have the HDD model Seagate ST9546A Linear Speed 2.4 MB/sec 1995 of release.
What do you think, will suffice the capacity to make the grinding machine tool?

Another attempts with new HDD have failed. At one has failed the engine at the second the controller has burned down.

Here it our pre-production model - it already never will find the former life. But we that trust in reincarnation;)

We break off head HDD that it did not stir to ours test. One of the testers has damaged his hand.

You can see his blood.

We cut out a circle from an emery paper we

Paste an emery paper to a disk.

Start! Yup!! It really works! We have grinded a chisel and a knife. And now this knife we cut a doll from a strong fabric as an edge of the razor.

Look 2 minute video with this test.
How To Make The Grinding Machine Tool From Hard Drive. - video powered by Metacafe


This thing but next time I'll tell you how to overlockinf CPU in 10 times faster