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Table slide problem.

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Forum topic by Ollie posted 05-30-2011 02:44 PM 1604 views 0 times favorited 0 replies Add to Favorites Watch
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Ollie

146 posts in 2737 days


05-30-2011 02:44 PM

Topic tags/keywords: question about table slides

Hi, I hope someone can help me.
I have an issue with `reciprocating` or sometimes called `Equalizing` table slides.

I have designed a table with a central butterfly leave which folds out and two leaves that move when pulled to reveal the gap for the butterfly see pics (if they work).

http://i1221.photobucket.com/albums/dd473/ver_fc3s/tablewithchairrender.jpg
http://i1221.photobucket.com/albums/dd473/ver_fc3s/tablelegsandstretchersrender4.jpg
http://i1221.photobucket.com/albums/dd473/ver_fc3s/tablelongviewrender.jpg

The problem is the clearance between the rails. The clearance is about 1000mm so this limits the motion of the slides. I require an opening of about 500mm . This means that each leaf will need to travel 250mm.

I have found some slides with reciprocating action and a correct sized opening (see links)

http://www.hettich.com/blaetterkataloge/TA_2008/en_DE/blaetterkatalog/index.html?startpage=5.6.0&distributorId=90085
http://www.sumap.com/en/table-slides/product-catalog/aluminium-synchron-serie/synchronized-range/aluminium-synchron-serie
http://www.hafele.co.uk/Hafele35a1/Templates/Hafele/Products.asp?param=7221&ig_id=48860

However I have found that the fully open lenth of these seams to be about 1200mm or more.

so these are the questions / problems.
1: Can I trim the end off the slides to allow more clearance ??
2: Should I cut a small slot in the end apron/ stretcher to allow the slides to pass through, covering the slots when closed with a small piece of matching timber.
3: Should I make the end aprons/ stretchers false so they can move with the leaves.
4: should I just use another slide system (see links)

http://gsf-promounts.com/categories/Precision-Linear-Rail/
http://gsf-promounts.com/categories/Drawer-Slides/
http://www.chambrelan.com/EN/linear-rails/presentation.html
http://www.jetpress.com/Products.aspx/15380/HeavyDutySlides100Kg/

like linear rails, heavy duty drawer slides, or other slide system. And then make my own seperate reciprocating motion with mybe a rack and pinion set into the top of the stretchers and the underside of the leaves.?
5: Any other ideas or relevant experiences?

Sorry to be so longwinded. Any help at all most welcome .
Thanks in advance Ollie

-- Ollie, UK.


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