Light burn engraving 10w TTS laser

Community Laser Talk
1

So i tried to engrave with 250 speed and 100% power in TTS 10W Pro in stainless steel. I put a black spray or black marker for the laser not to reflect black . after engraving i got this result. the laser works but it doesnt engrave. already

Alibabaae639bcfdf880e309aeaf1d0a25d2c01_original (1)
Alibabaae639bcfdf880e309aeaf1d0a25d2c01_original (1)610Ă—813 327 KB

2

Then now after cleaning an alcohol. This happens. It doesnt engravr at all

Alibabad0338b4bcded5c05109ead1c5c7ccf3c_original
Alibabad0338b4bcded5c05109ead1c5c7ccf3c_original610Ă—813 318 KB

3

This doesn’t look like stainless steel, that should be silver colored. But I don’t know if there are different coatings available. Anyhow, 10W is the lower limit to handle steel usually, maybe use 100 mm/min and multiple passes / crosshatch-filling. You can try coating it with laser marking powder, that might work better. Anyhow, it only works on stainless steel and to me it doesn’t look like some.

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4

That looks like the brass alloy coins we tried a couple of weeks ago. Did not even mark them with a 40w diode laser. Also tried CerMark with no luck.

WARNING: Do not etch them flat. Put something under one edge (I used a small piece of masking tape) so they have a slight tilt. Otherwise, you can reflect the beam back up into the laser. Good way to crack a lens, or worse.

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