The main difference between drilling aluminum and harder materials noted jason hout global dhm deep hole machining product and application specialist for sandvik coromant co fair lawn n j is that the shear point of aluminum is low enough that it can be sliced by the tool s cutting edge as opposed to being pushed out.
Drilling holes in aluminum sheet.
The problem is that the diameter of the hole is much larger than the thickness of the sheet and regular twisted drill bits do not work well.
Sooner or later every homebrewer needs to drill holes in sheet metal.
The wooden bread layers of the sandwich keep the sheet metal flat and prevent the drill bit from wandering as it bores through the sheet metal.
You start off by drilling a small diameter pilot hole and then drill gradually larger holes until you get.
For clean precise holes in thin sheet metal make a wood sandwich.
Furthermore the drilled hole becomes enlarged beyond.
Co z 5pcs hss cobalt multiple hole 50 sizes step drill bit set with aluminum case.
For the cleanest hole clamp a second piece on top of the metal making a sacrificial sandwich.
To be used with sheet metal only.
Automatically deburrs hole when you drill.
Drilling soft materials such as aluminium and copper can cause a whole range of challenges that can limit tool life minimize production and cost you money.
Repairing small aluminum holes step 1 clean the area around the hole in the aluminum with a sponge soaked in warm water mixed with liquid detergent.
Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench.
Drilling a hole in sheet metal with a twist drill is a rather straightforward operation.
The classical situation is drilling holes to mount switches connectors and potentiometers on the front panel of some instrument.
Rinse thoroughly with water to remove the detergent dirt and debris.