I've been playing with my little home brew CNC router cutting some plastic
enclosures and have noticed my eyes are a little sore/gritty afterwards.

I think the enclosures I've been machining are either polystyrene or
polycarbonate, I'm using a straight sided 2 flute 2mm router bit in a Dremel
at about 10,000RPM. The cuts are pretty clean with no melting or burning
that I can see.

Has anyone any experience with this? Perhaps I just need more ventillation?

In article ,
"Dennis" wrote:

I've been playing with my little home brew CNC router cutting some plastic
enclosures and have noticed my eyes are a little sore/gritty afterwards.

I think the enclosures I've been machining are either polystyrene or
polycarbonate, I'm using a straight sided 2 flute 2mm router bit in a Dremel
at about 10,000RPM. The cuts are pretty clean with no melting or burning
that I can see.

Has anyone any experience with this? Perhaps I just need more ventillation?

Or a little bit of water spray to control the dust?

Joe Gwinn

"Joseph Gwinn" wrote in message
...
In article ,
"Dennis" wrote:

I've been playing with my little home brew CNC router cutting some
plastic
enclosures and have noticed my eyes are a little sore/gritty afterwards.

I think the enclosures I've been machining are either polystyrene or
polycarbonate, I'm using a straight sided 2 flute 2mm router bit in a
Dremel
at about 10,000RPM. The cuts are pretty clean with no melting or burning
that I can see.

Has anyone any experience with this? Perhaps I just need more
ventillation?

Or a little bit of water spray to control the dust?

Joe Gwinn


Hi Joe - water spray (even a fine mist) isn't really an option at the moment
as some of the machine components are made from MDF. I've fitted a vacuum
cleaner "shoe" that picks up a lot of the debris.

thanks

On 5/24/2012 7:26 AM, Dennis wrote:
"Joseph wrote in message
...
In om.au,
wrote:

I've been playing with my little home brew CNC router cutting some
plastic
enclosures and have noticed my eyes are a little sore/gritty afterwards.

I think the enclosures I've been machining are either polystyrene or
polycarbonate, I'm using a straight sided 2 flute 2mm router bit in a
Dremel
at about 10,000RPM. The cuts are pretty clean with no melting or burning
that I can see.

Has anyone any experience with this? Perhaps I just need more
ventillation?

Or a little bit of water spray to control the dust?

Joe Gwinn


Hi Joe - water spray (even a fine mist) isn't really an option at the moment
as some of the machine components are made from MDF. I've fitted a vacuum
cleaner "shoe" that picks up a lot of the debris.

thanks


You might extend the vacuum cleaner exhaust to vent outside the
building. There may be clouds of particles getting through the filter
paper, or what ever the vacuum cleaner uses.

Paul

"Paul Drahn" wrote in message
...
On 5/24/2012 7:26 AM, Dennis wrote:
"Joseph wrote in message
...
In om.au,
wrote:

I've been playing with my little home brew CNC router cutting some
plastic
enclosures and have noticed my eyes are a little sore/gritty
afterwards.

I think the enclosures I've been machining are either polystyrene or
polycarbonate, I'm using a straight sided 2 flute 2mm router bit in a
Dremel
at about 10,000RPM. The cuts are pretty clean with no melting or
burning
that I can see.

Has anyone any experience with this? Perhaps I just need more
ventillation?

Or a little bit of water spray to control the dust?

Joe Gwinn


Hi Joe - water spray (even a fine mist) isn't really an option at the
moment
as some of the machine components are made from MDF. I've fitted a vacuum
cleaner "shoe" that picks up a lot of the debris.

thanks


You might extend the vacuum cleaner exhaust to vent outside the building.
There may be clouds of particles getting through the filter paper, or what
ever the vacuum cleaner uses.

Paul

Thats a good point Paul, easily done too.