Material matters needing attention in lamp - out processing

Some materials are naturally more suitable for CNC precision machining. For example, you can use brass, 6061 aluminum, and certain plastics that don't tend to produce long, thin chips that can be wound around tools.

You can even try using 303 stainless steel for lightout processing. However, you must first program the device to run for a few hours to test its holding tolerances and check for tool wear.

Some materials are definitely not suitable for off-light production. That includes the medical device industry's darling, 304 stainless steel, which is hard to process, producing elongated pieces that throw burrs. In addition, 316, 17-4 and most other stainless steels are difficult to process and may damage your tools.

Superalloys cannot be machined out, and titanium should never be left unattended. (We've already seen a video of a machine catching fire due to sparks from titanium parts - that's cool, but definitely not recommended!

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