Step 6: Tools needed for the Initial 2BEIGH3 CNC section
Taps as we are going to tap a few holes
¼ 20 and ¼ 28
The ¼ 28 will be used later for the 3D P but might as well get it now.
A tap Handle as we will hand tap three holes
We will use a hand drill to tap remaining holes.
Small Bench Drill press – nothing special, just a small bench drill press. You may even be able to rent/borrow one as we won’t need it very often. We will need this to drill the holes for the 3D Printer hot-end and will be drilling a ¼” hole 1” deep in aluminum.
Punch to mark holes to be drilled
Hand Drill – reversible and variable speed
Hardened Drill bits – ¼, 1/8, 7/32 and 9/64 - For all 1/4-20 threaded holes, drill at 7/32" and tap to 1/4-20
There will be one hole on the hot-end that is drilled at 7/32, but tapped at 1/4-28.
Eye Protection - goggles
Ear Protection – ear covers or plugs
Hairnet if needed
Hack Saw or 28” bolt cutter
TIP: I quit cutting small metal pieces years ago and just use a bolt cutter.
Sandpaper – carbide for smoothing metal edges
Volt Meter/DVM – Harbor Freight has these for ~$5, however, for the 3D Printer, we’ll need one that measures temperature from a thermocouple. Harbor Freight has those including the thermocouple for about $20.00