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DIY Forum >> Carpentry Questions >> Belfast Sink Worktop
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Message started by CadmannUK on May 9th, 2006, 3:02pm

Title: Belfast Sink Worktop
Post by CadmannUK on May 9th, 2006, 3:02pm

Hi All,

I have had a deep belfast sink and solid oak worktop fitted to our kitchen, the troube is, the fitters who did the worktops did not route any slots for the draining area.

They said on the day that they don't do that, but would do all the rest, as we were desperate to get some more progress we let them continue.

Any way, what I wanted to ask is this:-

Can this be donw with the worktop fitted. (Its mitred to another one now)?

Why don't people machine a recess for the whole draining area like normal sinks, than route the slots into this area. This would them contain any water into the designated draining area and not have it roll to the front or back of the worktop?

How hard it it to do, I might be able to get a jig made at wotk on one of the CNC machines?

Thanks

Cad

Title: Re: Belfast Sink Worktop
Post by jasonB on May 9th, 2006, 3:22pm

Its not hard to do once the worktop is fitted. If you want equal depth grooves then its easy to make a jig if you have CNC machines, look at Screwfix, they make one but for a one off a bit of 6-12mm MDF will do with slots to suit your guide bush.

Scrit posted elsewhere about making his own jigs, he will likely be along later.

Jason

Title: Re: Belfast Sink Worktop
Post by Scrit on May 9th, 2006, 3:55pm


wrote on May 9th, 2006, 3:22pm:
Scrit posted elsewhere about making his own jigs, he will likely be along later.

Thanks for the plug, Jason  ;D  Yes I do machine my own falling jigs to produce drainer like this one (sorry for the poor quality photograph - work in progress at this stage, too):



This was machined in situ as the solid-surface worktop here comes with the sink  bonded in place. The jig (CAD) looks like this:



Solid surface and beech require the same sort of jigs. Generally for one offs I'd use MR-MDF (moisture-resistant MDF) as it's cheaper, but I've now done a few for  fitters where the requirement was for a longer life and those have been machined in MF-MDF (melamine faced MDF) or birch plywood and even one in solid laminate, although that was a bit pricey. I can do any pattern, straight 5 or 6 leg, fan 5 or 6 leg, dog leg 5 or 6 leg (the one above is a dogleg, 6 leg), D-type (three "D" shapes inside each other), squared-D, tree (branching fan), etc. as I have my own CNC router. I've also done jigs for pan rests, Belfast cut-outs and  Belfast drip grooves (on the underside of the worktop). The nice thing is I'll make for any combination of router/bush/cutter, so id you only have a Sparky router with a 20mm guide bush I can accommodate that.

The problem of recessing the entire drained area is that it is much easier to to do this on the CNC or by hand with a "gantry" jig and router before installing the top. Traditional wooden worktops had a wooden lip applied to the front and a tile or wooden upstand at the back and sides to contain the water - I can remember this type of arrangement the house we lived in when I was a kid, and that house was built in the 1940s. You can  rout the recess in situ, but it will be pretty awkward, especially as you'll have to flatten the surface of the dropped area before you rout-out any grooves. Supporting the "gantry" to recess out at this stage will be a ruddy nuisance now it's all plumbed in - you'll need to have a gantry with 2 or 3 positions for the router to sit. With a recessed area the groove jig will also need to be made to fit inside the recess as otherwise it will bow in use and you'll they have consistency problems with the grooves. The drainer pictured above copes well with water despite having no front lip because it has a fairly pronounced drop (at the customer's behest), a bit more than I would normally put in, and the side and rear of the worktop are additionally protected by  upstands

If you are interested in having a jig made drop me an email or PM me.

Scrit

Title: Re: Belfast Sink Worktop
Post by woodsmith on May 9th, 2006, 4:49pm

Cad, if you are going to be happy with a rustic look when the oak turns black then rout out draining slots but if you want to keep the "perfect" look then I would advise fitting a ceramic drainer like this;

http://www.sinks-taps.com/item-186-FIRECLAY_DRAINER_610.aspx

If you leave pots dripping on an oak surface no matter what finish you use it will ultimately go black.

Title: Re: Belfast Sink Worktop
Post by jasonB on May 9th, 2006, 5:07pm

Scrit, how do you get the fall? - reduce the thickness of the whole template as it nears the sink?

Jason

Title: Re: Belfast Sink Worktop
Post by Scrit on May 9th, 2006, 6:24pm

Yes. I've found that if you try supporting one end of a parallel face template with a block or feet, then cutting with something like a DW625 (2-3/4HP 1/2in router) and pressing down that the template flexes a bit - not good if you want consistent falls in your grooves (the outsides of the "comb" of the template being wider they don't flex as much). This is particularly a problem with solid surface where I've found more downwards pressure is required than for solid timber. I make taper templates from 18mm sheet stock. Thicker than that and you struggle to find cutters with long enough shanks, thinner and they aren't strong enough and you don't have enough depth for your guide bushes.

Scrit

Title: Re: Belfast Sink Worktop
Post by jasonB on May 9th, 2006, 7:11pm

Thanks Scrit. Ive done it with a 6mm packer at the end and a 3mm mid way but your way sounds much better.

Jason

Title: Re: Belfast Sink Worktop
Post by Scrit on May 9th, 2006, 11:15pm

The only downside is that my way takes 4 tonnes of CNC router to achieve a result  ::)

Title: Re: Belfast Sink Worktop
Post by CWatters on May 9th, 2006, 11:49pm

Any chance of a photo of this CNC machine? Sounds impressive.

Title: Re: Belfast Sink Worktop
Post by Scrit on May 10th, 2006, 5:39am



Sorry, don't have a bigger one available at the moment.

Sc rit

Title: Re: Belfast Sink Worktop
Post by jasonB on May 10th, 2006, 7:45am


wrote on May 10th, 2006, 5:39am:
Sorry, don't have a bigger one available at the moment.

Sc rit


Is that bigger photo or bigger machine ;D ;D ;D

Jason

Title: Re: Belfast Sink Worktop
Post by CWatters on May 10th, 2006, 1:11pm

Nice toy.

Title: Re: Belfast Sink Worktop
Post by Felderman on May 10th, 2006, 5:55pm


wrote on May 9th, 2006, 11:49pm:
Any chance of a photo of this CNC machine?



OH no, I can't bear to look at it again. ;D ;D ;D ;D ;D ;D


cos  I want one

Title: Re: Belfast Sink Worktop
Post by Twobarrows on May 10th, 2006, 6:50pm

That would fit nicely in my lounge...........I'll have a word with the War Office & see what she says :-)

Title: Re: Belfast Sink Worktop
Post by JerryD on May 10th, 2006, 7:27pm

Hmmmm, not seen one of those in B&Q

Title: Re: Belfast Sink Worktop
Post by Scrit on May 10th, 2006, 8:11pm


wrote on May 10th, 2006, 7:27pm:
Hmmmm, not seen one of those in B&Q

I keep telling you Jerry, you'll have to try Wickes......

Title: Re: Belfast Sink Worktop
Post by WOLF on May 10th, 2006, 8:26pm

and when Scrit programmes it correctly, it makes and wraps his sarnies too!!! (still has not worked out the code for coffee yet though!!)


p.s Nice bit of kit!!!!


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