Path: ...!Xl.tags.giganews.com!local-2.nntp.ord.giganews.com!news.giganews.com.POSTED!not-for-mail NNTP-Posting-Date: Wed, 17 Apr 2024 18:13:48 +0000 From: Joe Gwinn Newsgroups: sci.electronics.design Subject: Re: PCB laser cutting Date: Wed, 17 Apr 2024 14:13:47 -0400 Message-ID: References: User-Agent: ForteAgent/8.00.32.1272 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 30 X-Usenet-Provider: http://www.giganews.com X-Trace: sv3-0gSDDIZzhp2Yl6fyKp0rbADQEuKVlOexxBsK9DkAV5L6S2j/uo8Io34B/k+NL2IHF0J8e7ZE33ds2L4!u+n2Hl0lgGq0gxAZyxDO8Fa5/WkhxmPtG4l1oy/uZtT2gYnVJebGReBysBpYKiGbY0NCxwg= X-Complaints-To: abuse@giganews.com X-DMCA-Notifications: http://www.giganews.com/info/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 Bytes: 2044 On Wed, 17 Apr 2024 08:09:30 -0700, John Larkin wrote: >On Tue, 16 Apr 2024 21:16:27 -0700, Don Y > wrote: > >>I've been offered a small, 40W laser cutter and wonder if I >>want to make space to store it -- as I suspect I don't have >>many uses for it! >> >>One that came to mind would be cutting odd-shaped PCBs. >> >>But, I didn't think CO2 lasers were good with FR4, etc. >> >>(Or, could I opt for a different board material to >>exploit the laser's abilities?) > >We buy blue anodized boxes and use a Boss laser to blast the artwork. > > > >That saves a ton of hassle with labels and silkscreening. > >I tried using it to cut patterns into copperclad FR4, instead of >dremeling. It didn't cut copper very well and burned the FR4. Maybe >some fast pulsed laser would work better. Is this the CO2 laser or the fiber laser? Joe Gwinn