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Subject: Re: [Homebrew_PCBs] RE : Cutting FR4

From: William Kroyer <william.kroyer@...>
Date: 2006-05-02

Hmm... Maybe another revision is in store. Perhaps use a carbide blade
in a circular saw that is mounted on some slide rails. Perhaps some
precision
drawer slides? Or maybe use some gas pipe for rails and drill out some
teflon
blocks as slides.

Regardless, some carefull experimentation is probably in order.

Robert Hedan wrote:

>I'm using a miter saw that runs on 2 tube rails. It's a bit awkward for this
>application, I have to jack up the PCB on planks of wood.
>
>Ideally, I'd like to set up a 4" grinder on 2 rails over a table top.
>
>It's better to pass a cutting tool 'over' the PCB, than passing a PCB over a
>cutting tool. You can easily adjust for 'brain malfunctions', or when the
>cutting line does not line up with the PCB edge.
>
>Robert
>:)
>
>
>
>
>>-----Message d'origine-----
>>De : Homebrew_PCBs@yahoogroups.com
>>[mailto:Homebrew_PCBs@yahoogroups.com] De la part de William Kroyer
>>Envoy� : mai 1 2006 23:02
>>� : Homebrew_PCBs@yahoogroups.com
>>Objet : Re: [Homebrew_PCBs] RE : Cutting FR4
>>
>>
>> I think my problem is that I'm using cheap cutting wheels.
>>They weren't coming loosse from the saw, the wheel itself was
>>tearing off of the center metal piece attached to it.
>>
>>....
>>
>>
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