[sdiy] Frontpanel Express line detail

[Graham Atkins]

On 15 Sep 2010, at 09:48, julian fincham wrote:

> FPD simply states "Engraving tool - 0.2mm" but its not at all clear
> what this actually meens -
>
> Does it meen that the line should be 0.2mm, or does it meen that the
> tool is 0.2mm?
>
> And then it gets more complicated - if the tool is 0.2mm, what does
> this actually meen?
>
> Cutter geometry is not as simple as simply stating a width - the
> truncation (the width across the flat on the tip of the cutter) can be
> one widh, but even this wont tell you the line width, as the angle of
> the truncation can change, the clearence angle can change, not to
> mention the cutting angle its self.
>
> And, once all this is done, with a V cuter, if you plunge the tool
> deeper, the line is going to get thicker regardless!
>
> In short, i have no idea what FPD meens by 0.2mm, but you are possibly
> better to use any numbers as a guide rather than some absolute.

This just begs the question "why do FPD send you PROOFS if they are not
representative of the job ?".

Graham