Path: local-2.nntp.ord.giganews.com!Xl.tags.giganews.com!local-1.nntp.ord.giganews.com!nntp.supernews.com!news.supernews.com.POSTED!not-for-mail NNTP-Posting-Date: Wed, 17 Apr 2024 19:25:29 +0000 From: John Larkin Newsgroups: sci.electronics.design Subject: Re: PCB laser cutting Date: Wed, 17 Apr 2024 12:23:47 -0700 Organization: Highland Tech Reply-To: xx@yy.com Message-ID: <46802jlqo7i7n2pvrtfk97ma7mesfued30@4ax.com> References: X-Newsreader: Forte Agent 3.1/32.783 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 40 X-Trace: sv3-8YT3/awMZnf6Vf2gsmoUuxm2V34pN5K1SjlTXvsYNIKBnUGFBYN91f5Jj9Fa9L5baAAh+YCJDdtCTcd!erTYD1o6azm28/qaW/GA9BBRfRjyDROWih6fE7L24LYDwMTc8aPeAb/4JAHVV6Twy8/uykch9Uwc!Drn+vA== X-Complaints-To: www.supernews.com/docs/abuse.html X-DMCA-Complaints-To: www.supernews.com/docs/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: 2443 On Wed, 17 Apr 2024 14:13:47 -0400, Joe Gwinn wrote: >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 This one is fiber. https://www.dropbox.com/s/zxnwvk8w7pus7sr/Boss_1.jpg?dl=0 https://www.dropbox.com/s/70py68edtigk8jf/J270%20Boss%20Laser%20Inside%20Box.mp4?dl=0