[Swansea Hackspace] CNC Mill Progress

[Graham Owens]

I would suggest a board a bit bigger than 160mm in each direction so that you have abed that can handle standard 100x160 pcb.  Also I can write you some gcode by hand for flattening, it's a doddle to do simple stuff like that.

-----Original Message-----
From: "Emyr Morris" <em at preseli.com>
Sent: ‎29/‎10/‎2014 13:48
To: "Swansea Hackspace" <hackspace at swansea.hackspace.org.uk>
Subject: Re: [Swansea Hackspace] CNC Mill Progress

I will be going to my dad's in west wales in a few weeks time, he has a shed and a garage full of board, if you have not found anything by then let me know and I will bring back a few pieces. He has good quality ply, chipboard, mdf, everything you can imagine being a hoarder and a carpenter ;-)


So it won't be this weekend but the weekend after... maybe having a few spare boards won't hurt anyway



Em



On 29 October 2014 11:48, Alan Cox <alan at lxorguk.ukuu.org.uk> wrote:

O> I have seen suggestions that MDF is bad because of the fine dust,
> although someone (sorry i forgot who) donated an old vacuum cleaner to
> use with it.

MDF is very very flat so while it does need proper ventilation it's
commonly used as a bed (and you are not supposed to saw the bed up). All
wood dust however is supposed to be dealt with properly. It varies
between yew and laburnum (which can kill you) to stuff like bamboo which
is only an irritant under low exposures.

Under high exposures most sawdust is linked to nose cancers and asthma
which is why commercial wood shops all have those big hoover things on
the bandsaws etc.

Alan



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