Perhaps try mounting the pcb on a thin sheet of plywood to give more control? And yes, try setting or clamping a guide wall on the other side of the blade that is one panel away from the blade. Press the board firmly against the guide while sliding it through, that should help keep the cuts true.
Mike
--- In Homebrew_PCBs@yahoogroups.com, Alessio Sangalli <alesan@...> wrote:
>
> Hi finally tonight I tried the table saw (Harbor Freight one) with the
> lopacki 8mil diamond blade.
>
> Unfortunately, all cuts were not parallel:
>
> http://www.manoweb.com/alesan/temp/tablesaw/test01.jpg
> http://www.manoweb.com/alesan/temp/tablesaw/test02.jpg
>
> Advices? I read I might have to go slower... will that do the trick? I
> used it wet. A bit splashy but no dust at all.
>
> bye
> as
>