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Cyclone

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Cyclone

Postby Doug » 04 Feb 2018, 21:18

Whilst searching for something else on the tinternet I came across this little Chinese cyclone


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(121.26 KiB)


I’ve had the Oneida Dust Deputy for over 10 years & have been really pleased with it, this unit is just about the same size


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(137.71 KiB)


I have two shop vacs one at each end of the workshop & after reading about the Thien separator I made one to run off my Camvac about 5 years ago. Whilst it has work ok I’ve never achieved the levels of separation that I get from the cyclone regardless of how I’ve tweeked the settings, so I decided as the Chinese version was so cheep I’d give it a punt.

This was my set up with the Thien.



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(105 KiB)


I wanted to use the same metal drum but with the cyclone on top it would have been above bench height so I needed to reduce the drum height.
As the top seals on a rounded rim I figured the best bet was to cut this off & then cut on one of the mid ribs so the top piece would fit inside that rib.
Cuts made


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(178.88 KiB)


Trial fitting


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(139.64 KiB)


Snug fit achieved once any burrs were removed

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(138.58 KiB)


I re-attached the two pieces with Stixall putting a thick bead inside & out

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(174.41 KiB)


More to follow
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Re: Cyclone

Postby Doug » 04 Feb 2018, 21:58

The old lid had a few too many holes in it & as I had another though slightly unloved lid I decided to use that, with the template provided I marked & cut the 75mm hole & 4x4mm holes


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(254.21 KiB)


After a couple of coats of paint the cyclone was ready to be fixed to the lid with stixall & screws provided

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(134.82 KiB)


This Is as much as I could do this evening as the paint needs to cure a little more as does the Stixall but hopefully I’ll be able to get it plumbed up & working tomorrow

5B526507-83BB-46DF-8C25-748CF091724D.jpeg
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Re: Cyclone

Postby Dan0741 » 04 Feb 2018, 22:01

Doug - excellent work.

I just made one with a very similar chinese import and it works fabulously, only problem is I bought a huge blue pastic food barrel to collect dust and the cheap screwfix vac sucks the sides in so it looks like a discarded coke can!

Full of fine dust tho!

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Re: Cyclone

Postby Doug » 04 Feb 2018, 22:06

Cheers Dan, good to hear the cyclone part is working well I’m always weary of cheap Chinese rip offs.

Could you build a cage that fits inside you barrel to stop it imploding?
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Re: Cyclone

Postby Malc2098 » 04 Feb 2018, 22:19

Looking good. Watching with interest for commissioning my 'shop.

Got an old record vac bin that needs up-cycling.

Care to share the supplier?
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Re: Cyclone

Postby 9fingers » 04 Feb 2018, 22:35

Malc2098 wrote:Looking good. Watching with interest for commissioning my 'shop.

Got an old record vac bin that needs up-cycling.

Care to share the supplier?


I'm sure I've seen them on Banggood Malc
hth
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Re: Cyclone

Postby Doug » 04 Feb 2018, 22:53

Malc2098 wrote:Looking good. Watching with interest for commissioning my 'shop.

Got an old record vac bin that needs up-cycling.

Care to share the supplier?



Thanks Malc, I got the cyclone off evil-bay, if you’re willing to wait & take the chance of it arriving then they are quite a bit cheaper direct from China, the one I bought was from a supplier in Bristol, arrived in a couple of days so I was happy.
There appears to be a few versions, they all have the same markings but the designs are different I think the one I bought is the mark 3.
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Re: Cyclone

Postby Rod » 05 Feb 2018, 13:06

Are you fitting a pressure relief valve?

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Re: Cyclone

Postby Andyp » 05 Feb 2018, 15:13

A shame they do not seem to make a 100mm one.
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Re: Cyclone

Postby Doug » 05 Feb 2018, 17:00

Rod wrote:Are you fitting a pressure relief valve?

Rod


I wasn’t going to Rod, I’ve never had any bother with my Dust Deputy & this cyclone is remarkably sturdy so I can’t see I should need one.
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Re: Cyclone

Postby Mark Hancock » 13 Feb 2018, 11:18

Watching this with interest as I just got the French version Dust Commander S30 which comes with it's own steel drum as I'd read about the plastic food bins collapsing. The only issues I'm having is finding the right connectors and pipes.
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Re: Cyclone

Postby 9fingers » 13 Feb 2018, 11:34

Mark Hancock wrote:Watching this with interest as I just got the French version Dust Commander S30 which comes with it's own steel drum as I'd read about the plastic food bins collapsing. The only issues I'm having is finding the right connectors and pipes.


Pipes size adaptors are easily made from offcuts of mdf. The s30 has 55mm OD inlet I think so an MDF ring could take you to 68mm UK gutter downpipe but the range of fittings are limited and need either solvent welding or duct tape to seal joints. As you mention French version, French soil pipe is 100mm od and all the usual bends/fitting etc are available and fits 100mm flexi pipe perfectly. I keep a few lengths in the workshop and make dust extraction spigots from it as well as flexipipe couplers.

A UK 100mm blast gate can be fitted inside UK 110mm soil pipe with expanding PU adhesive and makes a dual purpose 110mm to 100mm flexi adaptor with blast gate. I use these a lot in my shop.

If you are making a big diameter transition with mdf then screw two or three pieces together and form a taper on the inside for a smooth air flow and reduced chance of blockages.

HTH

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Re: Cyclone

Postby Mark Hancock » 13 Feb 2018, 12:37

9fingers wrote:
Mark Hancock wrote:Watching this with interest as I just got the French version Dust Commander S30 which comes with it's own steel drum as I'd read about the plastic food bins collapsing. The only issues I'm having is finding the right connectors and pipes.


Pipes size adaptors are easily made from offcuts of mdf. The s30 has 55mm OD inlet I think so an MDF ring could take you to 68mm UK gutter downpipe but the range of fittings are limited and need either solvent welding or duct tape to seal joints. As you mention French version, French soil pipe is 100mm od and all the usual bends/fitting etc are available and fits 100mm flexi pipe perfectly. I keep a few lengths in the workshop and make dust extraction spigots from it as well as flexipipe couplers.

A UK 100mm blast gate can be fitted inside UK 110mm soil pipe with expanding PU adhesive and makes a dual purpose 110mm to 100mm flexi adaptor with blast gate. I use these a lot in my shop.

If you are making a big diameter transition with mdf then screw two or three pieces together and form a taper on the inside for a smooth air flow and reduced chance of blockages.

HTH

Bob


Thanks Bob. You're right regarding the S30 55mm OD inlet and outlet.
I'm setting up the cyclone for dust extraction for 2 lathes. The cyclone will be connected to a Yorkeen WV2 dust extractor so I have to run a flexible pipe between the 2. Any suggestion on pipe diameter bearing in mind the cyclone size 55 mm and the Yorkeen is 110mm ID?
The same query on the lathe side of the cyclone; 2.5 or 4 inch ducting? I like the idea of the Loc-Line adjustables by the lathes but they are only 2.5 compared to the Stayput hoses available from Rutland at 4 inch. and still have to step down to the cyclone.
Apologies to Doug for stepping in on his thread. Happy to start another if necessary.
Cheers
Mark
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Re: Cyclone

Postby 9fingers » 13 Feb 2018, 13:12

Gut instinct says keep the pipework as big as you can for as long as you can.

I presume the vac is designed to take UK soil pipe at 110mm? You could glue in a bit of French 100mm into a stub of 110 to get it to 100mm flexi. I can send you a bit of 100mm French pipe if you like. At the cyclone end you could make an MDF polo ring 55 ID and 100 od and 36 long with 2 bits of 18mm mdf stuck together.

The cyclone input could have an internally tapered 55 to 100 adaptor with say 4 x 18 mdf stuck together and an internal taper from 85 to 55 to remove most of the turbulence at the input of the cyclone.

A Y piece and pair of blast gates in 100mm from axi(?) and a couple of fixed hoods for the lathes with a stub of 100mm French in each to connect to the hose.

Any good?

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Re: Cyclone

Postby Mark Hancock » 13 Feb 2018, 14:23

Bob
You're a genius :eusa-clap: I've been making heavy work of this for a couple of days and in one post you've sorted me out. Thank you.

And thank you for the French 100mm offer but with the existing 4 inch(?) flexible ducting and other bits I already have and your suggestion of MDF adaptors I can now see that I can manage it with those plus a few odd bits from the Builders Merchant, a couple of blast gates and the stayput hoses.
:obscene-drinkingcheers:
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Re: Cyclone

Postby 9fingers » 13 Feb 2018, 14:36

Mark Hancock wrote:Bob
You're a genius :eusa-clap: I've been making heavy work of this for a couple of days and in one post you've sorted me out. Thank you.

And thank you for the French 100mm offer but with the existing 4 inch(?) flexible ducting and other bits I already have and your suggestion of MDF adaptors I can now see that I can manage it with those plus a few odd bits from the Builders Merchant, a couple of blast gates and the stayput hoses.
:obscene-drinkingcheers:
Mark


Only too pleased to have stimulated your little grey cells towards a pragmatic solution Mark
I've long believed and counselled others that if a design is getting more and more complicated, it is time to scrap it and re-think from the beginning. There is nearly always a simple elegant solution to a problem that you just have not thought of yet.

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Re: Cyclone

Postby Mark Hancock » 13 Feb 2018, 18:25

9fingers wrote:[
Only too pleased to have stimulated your little grey cells towards a pragmatic solution Mark
I've long believed and counselled others that if a design is getting more and more complicated, it is time to scrap it and re-think from the beginning. There is nearly always a simple elegant solution to a problem that you just have not thought of yet.

Bob


So true. And as they say 2 heads are better than one. :text-thankyouyellow:
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Re: Cyclone

Postby Andyp » 13 Feb 2018, 20:11

If anyone wants lengths of 100mm french siil pipe and or accessories I am travelling to SE London/NW Kent in a week or so. Would be happy to bring at cost for collection in Bromley.
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Re: Cyclone

Postby Doug » 14 Feb 2018, 22:33

Just posted a video of the cyclone working on instagram, link in signature, don’t know how to post videos here.

I’m after some hooked toggle latches for fixing the top at a reasonable price without ordering from abroad, if anyone knows of a uk supplier
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Re: Cyclone

Postby 9fingers » 14 Feb 2018, 22:46

Doug wrote:Just posted a video of the cyclone working on instagram, link in signature, don’t know how to post videos here.

I’m after some hooked toggle latches for fixing the top at a reasonable price without ordering from abroad, if anyone knows of a uk supplier



Have you looked at the buyers guide for your latches Doug? There is a huge diversity of stuff in there that Dave keeps adding to.
I was going to try and link directly to your cyclone video but I can't even get it to play from instagram. maybe I have to have an account?
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Re: Cyclone

Postby Rod » 15 Feb 2018, 00:47

Worked on my phone without an account??

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Re: Cyclone

Postby Doug » 15 Feb 2018, 08:41

Rod wrote:Worked on my phone without an account??

Rod


Yep it usually just takes you to the web page if you haven’t got the app, my accounts not private so anyone should be able to view it through the web version of Instagram
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Re: Cyclone

Postby Mark Hancock » 15 Feb 2018, 11:13

Doug

What size hoses are you using in and out of the cyclone, couldn't see on the video.

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Re: Cyclone

Postby Doug » 15 Feb 2018, 19:11

Mark Hancock wrote:Doug

What size hoses are you using in and out of the cyclone, couldn't see on the video.

Mark


They’re just 50mm hoses Mark, you can get bigger cyclones for larger hoses but this is been run off my small Camvac
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Re: Cyclone

Postby woodstalker » 17 Feb 2018, 07:57

Doug, where do you get your metal barrels from? I have a little chines e bay cyclone and have a plastic food barrel with pressure relief valve but no matter what I do to tweak the settings the barrel always collapses and dust gets through to the shop vac.

I'm after a relatively small one rather than a full size 55 gallon oil drum.

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