> Robert,
> I know for sure that not all V type carbide works ok on PCB.
> I'm designing and manufacturing prototypes with a LPKF plotter since abou=
t
> 5 years and the quality of tools is essential. The type I've point to is
> manufactured in Germany. If you knew the producer I would be very
> interested.
> Compared for example with this one:
> http://www.precisebits.com/products/carbidebits/scoreengrave.asp
> it has double lifetime in the same usage conditions.
> thx,
> Vasile
>

Yes.
There are different grades of carbide.
Good quality tooling is essential.
We are cutting glass fibers here, after all.

Cheers,
Robert

>
> On Mon, Mar 9, 2015 at 11:32 PM, Robert Dvoracek <lgtngstk@hotmail.com>
> wrote:
>
>> Any carbide tipped V engraver should work.
>> All you need to do is set it to a depth that will produce the desired
>> width of cut.
>>
>> Cheers,
>> Robert
>>
>> ----------------------------------------
>>> Date: Sun, 8 Mar 2015 12:21:45 +0200
>>> Subject: [EE] V shape 0.2-0.5mm PCB-CNC isolation tool
>>> From: piclist9@gmail.com
>>> To: piclist@mit.edu
>>>
>>> Good day all,
>>> Do you know any European seller with reasonable price of V-shape
>>> 0.2mm-0.5mm isolation milling bit?
>>>
>>> The one I need have here a picture:
>>> http://cirqoid.com/products/insulation-milling-v-tool
>>>
>>> thank you,
>>> Vasile
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