[chbot] Personal Laser Cutter

[Mark Atherton]

Thanks David,

Thanks for your observations.

For working with Perspex, 10um (deep IR) is preferred, since the 
material is opaque at this wavelength,

Regards, Mark

On 19/06/2017 9:54 AM, David I Baird wrote:
> Only a passing comments as I only have laser burner (450nm, 2.5W) 
> experience.
>
> When it comes to burning into MDF v _Clear_ perspex there is a major 
> difference in the power you need to provide (or speed at which you 
> run). Clear lets all the laser light straight through to your 
> underlying surface. In fact the only method I have found that works is 
> to use the wrapper of the perspex or a piece of paper over the 
> material to even get a burn and it is not nearly as tidy as MDF or 
> other materials.
>
> Also I have found a huge variability in the supplied software used to 
> run my burner. There is likely to be an additional cost to get 
> something half decent to do what you actually want off the bat. I used 
>  two pieces of software; one to create paths and the other to do the 
> driving.
>
> David
>
> **
>
> **
>
> **
>
> *David I Baird*
>
> Regional Construction Support Team Lead (Australasia)
> Trimble Support | Trimble New Zealand
> +64.3.963.5358 Direct | +64.21.90.2227 Mobile | 603758 VOIP
> +64.3.963.5201 Support | Construction_Support at Trimble.com
>
>
> On Sun, Jun 18, 2017 at 5:57 PM, Mark Atherton <markaren1 at xtra.co.nz 
> <mailto:markaren1 at xtra.co.nz>> wrote:
>
>     Hi All,
>
>     Has anyone bought a laser cutter in the last three years ?
>
>     A couple of people from this group are toying with the idea of
>     buying one capable of cutting 4.5mm Perspex, or MDF; hopefully a
>     desktop unit.
>
>     Experiences, good and band, manufacturers, cost, general
>     observations appreciated.
>
>     Thanks, Mark
>
>
>
>     _______________________________________________
>     Chchrobotics mailing list Chchrobotics at lists.linuxnut.co.nz
>     <mailto:Chchrobotics at lists.linuxnut.co.nz>
>     http://lists.ourshack.com/mailman/listinfo/chchrobotics
>     <http://lists.ourshack.com/mailman/listinfo/chchrobotics>
>     Mail Archives: http://lists.ourshack.com/pipermail/chchrobotics/
>     <http://lists.ourshack.com/pipermail/chchrobotics/>
>     Meetings usually 3rd Monday each month. See http://kiwibots.org
>     for venue, directions and dates.
>     When replying, please edit your Subject line to reflect new subjects.
>
>
>
>
> _______________________________________________
> Chchrobotics mailing list Chchrobotics at lists.linuxnut.co.nz
> http://lists.ourshack.com/mailman/listinfo/chchrobotics
> Mail Archives: http://lists.ourshack.com/pipermail/chchrobotics/
> Meetings usually 3rd Monday each month. See http://kiwibots.org for venue, directions and dates.
> When replying, please edit your Subject line to reflect new subjects.


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ourshack.com/pipermail/chchrobotics/attachments/20170619/107cec5e/attachment.html>