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Posted by Martin H. Eastburn on April 12, 2008, 11:17 pm
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Why not have coated brass. A layer of blue film or such - then
a reflection of wavelength matching anything would be nominal.
Martin H. Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
TSRA, Endowed; NRA LOH & Patron Member, Golden Eagle, Patriot's Medal.
NRA Second Amendment Task Force Charter Founder
IHMSA and NRA Metallic Silhouette maker & member.
http://lufkinced.com/
David Billington wrote:
> Todd Rich wrote:
>> (snip)
>>
>>> Would it need to be waterjet? The reason I ask is we have an awesome
>>> Amada laser at work and it turns out beautiful work very fast. (not
>>> looking for new work)
>>> Also for the material and number of pieces, I don't think location
>>> is a problem. I don't think shipping would be cost prohibitive.
>>>
>>
>> No, it doesn't have to be a waterjet. The previous person I was
>> working with said their laser wouldn't cut brass. I'm not all that up
>> on current laser cutting technology, so I wasn't sure if it was just
>> his model, or a general issue.
>>
>> I understand about not looking for new work, but thank you for the
>> additional information.
>> Todd
>>
> My local laser cutter will do brass and copper at limited capacity but
> from what I have been told it is very much a choice of the people
> operating the laser cutter. The main issue seems to be that some laser
> machines run polished copper mirrors and the energy reflected back by
> cutting copper and brass can damage that mirror at some expense if the
> machine isn't set right. I've had 1.5mm brass cut by laser at the local
> place but the cut quality was poor and required cleaning up. I haven't
> chased up a local water jet cutter yet but may do in the near future.
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