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445nm diode

Posted: Wed Mar 08, 2017 9:19 am
by brian257
Looks like you can get 7W 445nm laser diode modules fairly cheaply from China now. Claim to be able to engrave stainless steel. Not sure about aluminum. Can anyone give any comments about what power and speeds are needed for engraving stainless or cutting very thin stainless with this wavelength? Will it engrave aluminum at all?