3) … process mechanically

3) … process mechanically

In order to create something new from now cleaned parts, you will most probably have to change their shape to fit your plans. Here, you find the most common methods: Cutting pieces to size and format, punch holes to get round pieces, drill holes to screw or rivet together later (see next page), and

Cut metals with appropriate manual shears… or guillotine shears.

pollute your respiratory system.

Cut pieces of printed circuit board

with a metal saw. Manual sawing creates dust particles large and heavy enough to fall to the ground instead of getting into your lungs. Never use a machine saw, though, sawing dry! This causes minuscule particles containing harmful substances to

For perfectly round holes or coinsized pieces of material, you need Drill: In order to drill a hole, get the right bits for the chosen material (HSS metal drills for both metals and printed circuit boards), and watch the rotation speed. A standing drill on a drill bench is of great help!

Remodel by bending Before bending a hard disk, please test with a metal detector if its core is made of aluminium or ceramic material, as you can only bend those with a metal core.

Trim and deburr the

edges after cutting. This means removing excessive and potentially sharp material that could hurt you, by smoothing the edges. With small parts, it’s easier fastening the piece in a vice, or at least with a clamp onto the work surface. After drilling a hole, use a slightly larger drill to deburr the hole’s borders by turning gently, manually.