Dust extraction adapter: sanding table to vacuum cleaner?

I have a sanding table (Clarke CDS300) for which I need to organise some dust extraction; at this stage I don't need anything more sophisticated than my workshop vacuum cleaner (a Wickes-badged Earlex wet-and-dry model).
However I am really struggling to find anything to connect the two together neatly (ie not involving bulking out the vaccuum cleaner hose by wrapping it an old rag. I'm imagining a rubber using a rubber boss shoved permanently into the sandere outlet, into which I can just plug and unplug the vac hose at will. Can't find anything suitable anywhere (eg ebay/Amazon/Google/Axminster) - any ideas?
The sander outlet is 52mm OD, 45mm ID, and the (tapered) tip of the vacuum cleaner hose is 30mm OD.
[As an aside, I note that a wide-bore hose kit is available for my vac (http://tinyurl.com/l9gt3zc or http://store.earlex.co.uk/wet-n-dry- vacuums/wide-bore-hose-kit) - nozzle dimensions different but unknown - how would that affect the dust collecting properties of my vac?]
--
David

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Lobster wrote:

I'd make an MDF ring to fit inside the sander outlet and take the tapered bore on the inside of the ring.
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On Sun, 16 Feb 2014 20:12:36 GMT, Lobster

I like Bob's MDF idea. I was thinking along similar lines but of a sink plunger and a penknife. I have a couple of sink plungers in my "toolroom" which I inherited along with the house (I hope that's not a bad omen about the state of my drains) and the "stick" end of either would push-fit down my vacuum nozzle. Pull the stick off, cut a hole through to the cup and then trim the cup to size and you should have a connector with a certain amount of flexibility.
Nick
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On 16/02/14 20:12, Lobster wrote:

Axminster have an adapter which will do the job, or will have when it's back in stock next week. Wide end of this is 45mm o/d, stick it in the sander, maybe a turn or two of duct tape around it to make it a snug fit if necessary, cut the other end to fit your vac. http://www.axminster.co.uk/numatic-stepped-hose-reducer I have several of these adapting various tools to various extractors. It's overpriced for what it is, but there is nothing similar available.
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Lobster wrote:

Coincidentally I have just constructed something similar: I had a length of 20mm flexible conduit and wanted to use that to connect a manual 'dustless sander' (Abranet) unit to my Henry vacuum cleaner.
What I did may not be as neat as you want: I wrapped and gaffa-taped a length of bubble-wrap around the last few inches on one end of the conduit. This made a 'bung' which fitted neatly into the inlet of the Henry (around 65mm dia IIRC). It is a bit of a squeeze fit which works well, and the gaffa tape helps keep a decent seal.
At the other end the conduit I had was a bit small; I had to splay it out (more gaffa!) to fit the handle.
This has been working well for me and has saved me a few bob on a dedicated hose I'd rarely use. If I was to do it again I would use some of that plasticised packing foam that one comes across sometimes. That would make a better-defined shape for the 'bung'.
HTH Jon N
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On 16/02/2014 20:12, Lobster wrote:

You can get adaptors to go from one to the other, failing that, large bore heatshrink can work if there is enough spigot on the wide end.

Increase it a little bit...
--
Cheers,

John.
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On 17/02/2014 01:35, John Rumm wrote:

I did this years ago with a Henry. IIRC (part of) one of the attachments that came with the vac did it. A tapered tube of some kind? So long ago......
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On 16/02/2014 20:12, Lobster wrote:

I picked up an adapter for my vac at B&Q, my vac pipe is 2" (not metric) I have various power tools ... 38, 45, 52mm etc
Adapter is "Performance Power" brand, and is a pronounced taper rubber flexy thing so fits on or in multiple sizes.
--
UK SelfBuild: http://uk.groups.yahoo.com/group/UK_Selfbuild/

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