Dust/Chip extractor

[andy43]

Hi
I'm looking at buying the Record Power CX2000 dust extractor, which will be used on the band saw and the planer thicknesser, I would also like to use it for lathe work ( when sanding) Is this extractor good enough to deal with the fine dust that comes off the lathe? Or should I be looking for a different model?
Your advice and comments would be much appreciated.

Cheers
Andy

 

[PeteG]

Hello Andy I've had the CX2000 for around a month and it does it's job quite well, but it's more a chip extractor than it is a dust extractor. Very fine dust is still released back in to the workshop through the top bag. If you want to capture as much dust as you possibly can, the CX26000 has a fine dust filter which can be purchased as an accessory, but you'll be looking at £300.00 all in. I have a Record AC400 air filter hanging from the ceiling and the chip extractor is never more than a few feet away, hopefully, any dust released through the top bag will find it's way to the air filter. If you do go for the CX2000, buy the easy fit hose cuff as well, makes life a lot easier.

http://www.recordpower.co.uk/category/h ... hine-cuffs
record-power-pt260-cx2000-chip-extractor-t84204.html

 

[beech1948]

Another approach is to turn the extractor from a single stage into a two stage system. This is achieved by putting a mini cyclone in between the DC and the machine. The DC provides the suck and the cyclone captures dust down to quite fine particles. Possible ways to go are:

1) Via ebay find a mini cyclone...cost about £35 and add it onto a small bin or bucket
2) Go to Phil Thien's web site and see the plans for a workshop built cyclone based on a Top HAT design placed over a small bin.

I have the latter on one of my two DX4000s and will build another for the second.

My Thien equipped DX4000 captures most of the small dust and the chips and at the end of each month the DC has only a 1/2 cupfull of dust or chips.

Recommended.

 

[marcros]

Is the cx2000 going to provide enough suck for that. I was advised to go for something around 2hp to move chips and dust- you will lose a lot of the suck using a fine filter and I would have thought that the cyclone would also lose a bit.

 

[beech1948]

I had that thought too but decided not too burden the OP too much. Really for a a garage sized workshop you will need about 2hp to get sufficient throughput. A two stage system with 2 hp would be the ideal as smaller hp systems lack the volume of suck necessary to carry the required volume of chips and dust in the air stream.

Maybe a used system to keep costs down + the second stage homemade.

 

[PeteG]

Is the cx2000 going to provide enough suck for that. I was advised to go for something around 2hp to move chips and dust- you will lose a lot of the suck using a fine filter and I would have thought that the cyclone would also lose a bit.

I'm baffled now Marcros I didn't think suction would be affected with the filter being inside the top bag, and away from the motor and hose, as the dust isn't drawn through by the suction but is blown through.
Hope that makes sense

 

[RogerS]

Is the cx2000 going to provide enough suck for that. I was advised to go for something around 2hp to move chips and dust- you will lose a lot of the suck using a fine filter and I would have thought that the cyclone would also lose a bit.

I'm baffled now Marcros I didn't think suction would be affected with the filter being inside the top bag, and away from the motor and hose, as the dust isn't drawn through by the suction but is blown through.
Hope that makes sense

True but all that 'suck' has to go somewhere. So if the outlet (ie the bag) is blocked with fine dust (called 'blinding') then the machine won't effectively be able to suck.

I have the Axminster ADE2200 which is rated at 1.5HP and use it exclusively for chip extraction partly because getting rid of chippings and shavings to places like stables is much easier if there is minimal dust. To stop fine dust going into the workshop I replaced the top filter bag with a fine dust cartridge filter from RB Industrial. I have a small manometer and can easily monitor the pressure drop across this fine filter. Ideally it should be zero.

My dust generators are catered for with a twin-motor Camvac.