dust ventilation system

[miljnor]

in reality she would probably charge you more if you mentioned me

definitely true love! she's a keeper for sure!

[diarmaid]

Im planning on buying this dust extractor for down to .5 microns:
http://www.recordpower.co.uk/index.pl?p=RSDE1&a=i

Im also going to use this for .5 down to .1 micron:
http://www.woodcraft.com/family.aspx?FamilyID=5511

You can get tubing etc for your extraction system here:
http://www.recordpower.co.uk/index.p...OR-ACCESSORIES

Regarding the Table Saw dust problem Im sure you can buy a blade guard like this or build one yourself:
http://www.nmauk.com/ixes/forsa7.html

These are informative links to look at with some valuable tables on the dangers of specific types of wood:
http://old.mendelu.cz/~horacek/toxic.htm
http://www.gvwg.ca/docs/Articles/WoodToxicity.htm
http://www.hse.gov.uk/pubns/wis30.pdf
http://www.niehs.nih.gov/oc/news/10thrc.htm
http://www.osha.gov/SLTC/wooddust/

Im printing off the tables to post in my workshop. After reading about the carcinogenic dangers among others Im definately sorting out my dust extraction before I turn on one tool.

[Geof]

Jerry; regarding your out loud thinking a bit further up the thread Google 'wet dust collectors' and you will find plenty of links about using a water mist for very fine dust collection. It is a well established method.

[JerryFlyGuy]

Thanks Geof.. nice to know I'm not the only one thinking this way..!

I wonder how much mist is required to cut the dust... would a couple of those sprayer deal's w/ a pump circulating be enoug... I'll have to look into this farther... its too late right now, and I'm tired..

Jerry

[diarmaid]

Hi, I've been reading the information on the site in post No. 6. Its very informative. I now realise Im also going to need a shop air filter. This one looks like it might do the job down to .1 micron. I'll stick it in the wall so its venting outside.

http://www.woodcraft.com/family.aspx?familyid=4849

I know everything I've listed is fairly expensive, but after reading the info I figure its not worth the risk to skimp on this stuff. I figure I'll only pay for it once, then wont have to worry about it for 10 years.

[Geof]

Originally Posted by diarmaid Hi, I've been reading the information on the site in post No. 6. Its very informative. I now realise Im also going to need a shop air filter. This one looks like it might do the job down to .1 micron. I'll stick it in the wall so its venting outside. http://www.woodcraft.com/family.aspx?familyid=4849 I know everything I've listed is fairly expensive, but after reading the info I figure its not worth the risk to skimp on this stuff. I figure I'll only pay for it once, then wont have to worry about it for 10 years.

The unit in the link you give has a sentence that more or less points out its futility: "The time delay shut-off can be set for up to 7-1/2 hours in 1/2 hour increments to effectively clean your shop after you leave"

In other words you work away in a cloud of dust that is filtered out while you are not there. These units are very useful for preventing the very fine dust settling out onto the floor and all the equipment overnight but are not much use in giving any protection to someone working in the room.

[ger21]

Once the dust is in the air, it's too late to bother. You need to get it all at the source.

[diarmaid]

Originally Posted by Geof ...In other words you work away in a cloud of dust that is filtered out while you are not there. These units are very useful for preventing the very fine dust settling out onto the floor and all the equipment overnight but are not much use in giving any protection to someone working in the room.

Hence the purpose of the triton powered respirator.

[diarmaid]

Originally Posted by ger21 Once the dust is in the air, it's too late to bother. You need to get it all at the source.

Any suggestions, I cant see how this would be possible for all types of equipment?

[sploo]

Originally Posted by diarmaid Any suggestions, I cant see how this would be possible for all types of equipment?

A mixture of good, purpose made dust hoods, and, according to Bill Pentz, sufficient air flow to capture as much of the dust as possible.

The gist I get from Bill's site is that most extraction systems sold to hobbyists lack the air flow to get the job done.

But you're right, for some pieces of equipment it's certainly difficult. Again, I think Bill's site has some drawings of dust hood designs.

[diarmaid]

There are a couple of good extractors at this site although probably not economical with exchange rates and postage for anyone outside Europe.

For referance I e-mailed them and the D800 Unit DustFilter Solution costs £ 853.00 + VAT (Ex Works).

http://www.airplants.co.uk/

[sdantonio]

A friend of mine has a air purifier (filtration) system in his shop that he say has been a godsend. I don't remember the details, but I believe it is made by portercable. It's a large boxlike thing, probably at least 4 ft on edge, suspended from the ceiling that I assume just endlessly recirculates the shop room air through a filter continually scrubbing the air.

The first time I saw it I assumed it was one of those big box heaters you see in a lot of garages and warehouses. At least, that's what it looks like.

Might be worth looking into.

Steven