[Swansea Hackspace] 40W CO2 Laser

[Justin Mitchell]

Other hackspaces have suggested that a suitable rate is £5 an hour by
the time you cover all the costs involved, the mirrors do gradually
degenerate as well as the laser tube and other parts.

but then, unlike the 3d printer, a job should take minutes not hours.


On Thu, 2014-12-18 at 18:18 +0000, Emyr Morris wrote:
> if we ask our members to pay £1 per laser burn hour for the use of the
> machine then we should more than cover the cost of
> repairs/replacement/upkeep of the machine!
> 
> :-)
> 
> 
> On 18 December 2014 at 18:15, Justin Mitchell
> <justin at swansea.hackspace.org.uk> wrote:
>         You did however correctly identify the type of tube we would
>         need to buy
>         at regular intervals when they burn out, cheap ones claim a
>         life of 1000
>         hours, but can often be much less.
>         
>         £110 is roughly the bottom end of the market from what i've
>         seen,
>         although i was pushing for the 50W version for our starter
>         machine
>         
>         
>         On Thu, 2014-12-18 at 18:03 +0000, Ceri Clatworthy wrote:
>         > Spoil sport !!
>         >
>         > On 18 Dec 2014 17:42, "Justin Mitchell"
>         > <justin at swansea.hackspace.org.uk> wrote:
>         >         On Thu, 2014-12-18 at 17:20 +0000, Ceri Clatworthy
>         wrote:
>         >         >
>         >
>          http://www.banggood.com/40W-CO2-Carbon-Dioxide-Laser-Tube-Laser-Cutter-Part-p-958940.html
>         >         >
>         >
>         >         > what do we need to drive it ??
>         >         > we can make our own ..
>         >
>         >         A sturdy X/Y mechanism
>         >         a high voltage laser psu
>         >         stepper motors and driver board
>         >         water circulation pump
>         >         set of the mirrors and focussing head
>         >         honeycomb cutting bed
>         >         air pump for the cutting head
>         >         air vent pump for the box ventillation
>         >         and most important of all a big metal LIGHT PROOF
>         box to keep
>         >         it all in.
>         >
>         >         building your own works only if you are building a
>         toy 1W one
>         >         that cuts
>         >         paper, or you are building a really big one and have
>         a
>         >         metalwork shop to
>         >         fabricate it with.
>         >
>         >
>         >
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