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Why is it so difficult to find a Cyclone Separator for 4" hoses ?

2K views 23 replies 16 participants last post by  rad457 
#1 · (Edited by Moderator)
I can easily find just the Cyclone top for a reasonable price if the size is 2.5" but if I want a 4" then it is either hard or impossible to find (Amazon.ca) or when found it is an all in one (amazon.com) that includes the bottom for a hefty price
There is a 4" kit but the design does not seem to create cyclone effect which is important I believe.
The dust is blown straight into the bottom of the barrel and if there is dust there already I guess it will air born that one which will be taken further by the exhaust
 
#10 ·
If you want something that performs a bit better than the molded lids and is a lot cheaper than a cyclone, make a Thien Baffle. http://www.jpthien.com/cy.htm

- RobHannon
This seems a good suggestion.
In general if it is relatively cheap to buy I buy I don't make things.
The reasoning he is explaining there made sense to me so I will attempt something like that
In this light I will go ahead and buy a kit
I am still unclear why it is so prohibitive for 4" !!! The 2" ones have a decent price
 
#11 ·
The trashcan lid you linked does create a cyclone effect although not as good as the funnel type of cyclone separator. I used one for quite a few years and was fairly pleased with it until I stepped up to the super dust deputy.

- WhyMe
Ditto for me. It's not perfect, but for $40 plus the price of a 32 gallon trashcan, it's perfect enough.
 
#12 · (Edited by Moderator)
The trashcan lid you linked does create a cyclone effect although not as good as the funnel type of cyclone separator. I used one for quite a few years and was fairly pleased with it until I stepped up to the super dust deputy.

- WhyMe

Ditto for me. It s not perfect, but for $40 plus the price of a 32 gallon trashcan, it s perfect enough.

- cmacnaughton
+1,i use it for when im using the planer, it separates out about 95% of the chips and dust which is all i need to keep from filling up my jet cyclone.
 
#14 · (Edited by Moderator)
Minime, it was up there with other "the best money I spent" purchases.

You can buy one off Amazon, with free shipping, for $179.00 (see site below).

As to molded plastic, I own a metal Dust Deputy a molded Super Dust Deputy, A plastic Dust Deputy [dedicated to the sandblaster] and had but sold (on retiring) my metal three horse Dust Gorilla. In short, I have experience with both metal and plastic versions. From that, I say the plastic units are nothing to scoff at.

I made the bin under my SDD portable, because I take it out into the yard to vacuum cones and leaves using a HF collector I bought just for that purpose (it's normally feeding a 3hp "4 bag" collector (actually, it has cartridges on top)). If it were the metal version, it would be heavy as sin. It suffers pine cone abuse just fine.

https://www.amazon.com/Oneida-Air-Systems-Deputy-Cyclone/dp/B00BEXBWS6/ref=sr_1_2_sspa?keywords=super+dust+deputy&qid=1576101064&sr=8-2-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEyQUZCN05OSkFFVjcwJmVuY3J5cHRlZElkPUEwNjYyMDgyMjFPSkxTNkszMDBEWSZlbmNyeXB0ZWRBZElkPUEwOTIzMDU5MUZDSTJaMDhUSEhEMSZ3aWRnZXROYW1lPXNwX2F0ZiZhY3Rpb249Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=

Gas Engineering Wood Machine Flooring
 

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#15 ·
Hmm,
FIRST: A cyclone is not needed to work wood.

SECOND: If you are too cheap/poor to buy a cyclone, then don't covet one.

As my parents used to say: 'People in hell want ice water too. Get over it. '

The only purpose for cyclone is to reduce the amount of dust that enters the filter, and therefore the time between filter cleanings. If you work wood everyday, and need clean filters weekly; then a cyclone makes sense to save precious time. But most weekend wood workers don't NEED one, as they clean filters once every couple of months.

Another option to a real cyclone dust separator is the vortex separator that Jet patented on their dust collectors. The DIY version requires a large wok or frying plan. There are several posts on LJ describing them.
Here is how I did mine:



Best Luck solving your existential decision crisis of money .vs. time on cyclone for dust collection.

We have all BTDTGTTS. :)
 
#16 ·
Had a Thien that I built a few years back. This summer the groove in the lid on my Thien cracked, and rather than tear it apart and rebuild it, I coughed up for a SDD 4" kit, with the fiber barrel, lid clamp, etc. Not a huge increase in separation, but it is there. Pretty much the only time I get anything significant past the separator into the bag is when planing - particularly as the can gets past 3/4 full. Matches up nicely with my Delta 50-760 single-stage DC… now I just need to add a Wynn cannister filter!
 
#19 ·
I use a Veritas Cyclone Lids on a large rubber garbage can with 2 wooden baffle rings inside that work great for dust seperation and were required to prevent the containers from collapsing due to the vacuum.
My D.C. system is a 1.5 hp general connected to 2 runs of 4" PVC pipe run overhead, the cyclone lid is approx. 30 feet from D.C. and is pulling almost 1000 cfm. Only use the cyclone for the table saw and Jointer/planner (12" Scorpion) plus a 20 foot hose for clean up.
 
#20 · (Edited by Moderator)
For the lid style cyclone, I think that I would want a baffle. Once the dust gets too high, I would think that the downward angle of in the intake would cause it to blow the dust around and so that it will get sucked into the vac.
 
#21 ·
I use a Veritas Cyclone Lids on a large rubber garbage can with 2 wooden baffle rings inside that work great for dust seperation and were required to prevent the containers from collapsing due to the vacuum.
My D.C. system is a 1.5 hp general connected to 2 runs of 4" PVC pipe run overhead, the cyclone lid is approx. 30 feet from D.C. and is pulling almost 1000 cfm. Only use the cyclone for the table saw and Jointer/planner (12" Scorpion) plus a 20 foot hose for clean up.

- Andre
thank you that seems to have a good price at leevalley (39CAD) but at a closer look I realized that I need to buy 2×4" splice connectors for in and out which raised the price to 52CAD+ ~4CAD for wire hose clamps
This is for 45CAD https://www.amazon.ca/Taytools-Collection-Cyclone-Separator-Containers/dp/B074Y7F5QH and it takes a month or so to get here ..hmmm
 
#22 · (Edited by Moderator)
I think a lot of us posted in this thread repeatedly, or we tried to do that, before realizing the posts were not making it to the page. I did receive some emails showing what others were trying to post. I suspect someone must have received my attempts..if you still have my post in your inbox please post it here. I lost the text…all I remember was that I was posting a link to a video showing how to vent outside like so


I was also quoting someone saying that the cyclone systems are not really meant for DC but for vacuums which caused a reply from someone else saying the contrary
 
#23 ·
I just got a dozen or so new postings to this thread:

Why is it so difficult to find a Cyclone Separator for 4" hoses ?

that are not showing at the 20 message count showing on the topic. Several of the posts seem to be dupes but they are on topic. Let's see where (or if) this post shows. Anyone else having an issue?

M

Getting "application error" when attempting to post …
 
#24 ·
I use a Veritas Cyclone Lids on a large rubber garbage can with 2 wooden baffle rings inside that work great for dust seperation and were required to prevent the containers from collapsing due to the vacuum.
My D.C. system is a 1.5 hp general connected to 2 runs of 4" PVC pipe run overhead, the cyclone lid is approx. 30 feet from D.C. and is pulling almost 1000 cfm. Only use the cyclone for the table saw and Jointer/planner (12" Scorpion) plus a 20 foot hose for clean up.

- Andre

thank you that seems to have a good price at leevalley (39CAD) but at a closer look I realized that I need to buy 2×4" splice connectors for in and out which raised the price to 52CAD+ ~4CAD for wire hose clamps
This is for 45CAD https://www.amazon.ca/Taytools-Collection-Cyclone-Separator-Containers/dp/B074Y7F5QH and it takes a month or so to get here ..hmmm

- MiniMe
Tried to reply earlier but see now why it wouldn't go through, I just used a TY from H.D. that goes with the thin wall PVC piping.
 
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