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tech / sci.electronics.design / Re: PCB laser cutting

SubjectAuthor
* PCB laser cuttingDon Y
+- Re: PCB laser cuttingDon Y
`* Re: PCB laser cuttingJohn Larkin
 `* Re: PCB laser cuttingJoe Gwinn
  `* Re: PCB laser cuttingJohn Larkin
   `- Re: PCB laser cuttingJoe Gwinn

1
PCB laser cutting

<uvnif3$1dg6o$1@dont-email.me>

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https://news.novabbs.org/tech/article-flat.php?id=136454&group=sci.electronics.design#136454

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From: blockedofcourse@foo.invalid (Don Y)
Newsgroups: sci.electronics.design
Subject: PCB laser cutting
Date: Tue, 16 Apr 2024 21:16:27 -0700
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 by: Don Y - Wed, 17 Apr 2024 04:16 UTC

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?)

Re: PCB laser cutting

<uvnlta$1e3fi$2@dont-email.me>

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From: blockedofcourse@foo.invalid (Don Y)
Newsgroups: sci.electronics.design
Subject: Re: PCB laser cutting
Date: Tue, 16 Apr 2024 22:15:14 -0700
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In-Reply-To: <uvnif3$1dg6o$1@dont-email.me>
 by: Don Y - Wed, 17 Apr 2024 05:15 UTC

On 4/16/2024 9:16 PM, 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?)

No, what the hell am I thinking???! :< I'm trying to
GET RID OF kit; why would I entertain bringing yet another
bit into the house???????

Sheesh!

Re: PCB laser cutting

<r6pv1jhf6hcg8agp106gi0jbtpeaphb09n@4ax.com>

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From: jjSNIPlarkin@highNONOlandtechnology.com (John Larkin)
Newsgroups: sci.electronics.design
Subject: Re: PCB laser cutting
Date: Wed, 17 Apr 2024 08:09:30 -0700
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 by: John Larkin - Wed, 17 Apr 2024 15:09 UTC

On Tue, 16 Apr 2024 21:16:27 -0700, Don Y
<blockedofcourse@foo.invalid> 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.

https://www.highlandtechnology.com/Product/J744

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.

Re: PCB laser cutting

<b8402j1kdm69hmuq0hshdmv2uh9pvhf341@4ax.com>

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NNTP-Posting-Date: Wed, 17 Apr 2024 18:13:48 +0000
From: joegwinn@comcast.net (Joe Gwinn)
Newsgroups: sci.electronics.design
Subject: Re: PCB laser cutting
Date: Wed, 17 Apr 2024 14:13:47 -0400
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 by: Joe Gwinn - Wed, 17 Apr 2024 18:13 UTC

On Wed, 17 Apr 2024 08:09:30 -0700, John Larkin
<jjSNIPlarkin@highNONOlandtechnology.com> wrote:

>On Tue, 16 Apr 2024 21:16:27 -0700, Don Y
><blockedofcourse@foo.invalid> 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.
>
><https://www.highlandtechnology.com/Product/J744>
>
>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

Re: PCB laser cutting

<46802jlqo7i7n2pvrtfk97ma7mesfued30@4ax.com>

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From: jjSNIPlarkin@highNONOlandtechnology.com (John Larkin)
Newsgroups: sci.electronics.design
Subject: Re: PCB laser cutting
Date: Wed, 17 Apr 2024 12:23:47 -0700
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 by: John Larkin - Wed, 17 Apr 2024 19:23 UTC

On Wed, 17 Apr 2024 14:13:47 -0400, Joe Gwinn <joegwinn@comcast.net>
wrote:

>On Wed, 17 Apr 2024 08:09:30 -0700, John Larkin
><jjSNIPlarkin@highNONOlandtechnology.com> wrote:
>
>>On Tue, 16 Apr 2024 21:16:27 -0700, Don Y
>><blockedofcourse@foo.invalid> 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.
>>
>><https://www.highlandtechnology.com/Product/J744>
>>
>>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

Re: PCB laser cutting

<sad02jlm386j4sc41f620q20k9cgp33v57@4ax.com>

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From: joegwinn@comcast.net (Joe Gwinn)
Newsgroups: sci.electronics.design
Subject: Re: PCB laser cutting
Date: Wed, 17 Apr 2024 16:59:38 -0400
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 by: Joe Gwinn - Wed, 17 Apr 2024 20:59 UTC

On Wed, 17 Apr 2024 12:23:47 -0700, John Larkin
<jjSNIPlarkin@highNONOlandtechnology.com> wrote:

>On Wed, 17 Apr 2024 14:13:47 -0400, Joe Gwinn <joegwinn@comcast.net>
>wrote:
>
>>On Wed, 17 Apr 2024 08:09:30 -0700, John Larkin
>><jjSNIPlarkin@highNONOlandtechnology.com> wrote:
>>
>>>On Tue, 16 Apr 2024 21:16:27 -0700, Don Y
>>><blockedofcourse@foo.invalid> 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.
>>>
>>><https://www.highlandtechnology.com/Product/J744>
>>>
>>>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>

So its wavelength is one micron (CO2 is 10 microns).

One micron is still infrared. Really need a green to UV pulsed laser
to cut copper without burning FR4. But these lasers are hideously
expensive.

I have not researched it, but here is the German answer:

..<https://www.trumpf.com/en_US/products/lasers/disk-lasers/>

Joe Gwinn

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