Anyone any good wit...
 

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[Closed] Anyone any good with technical drawings?

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[url= http://farm8.staticflickr.com/7190/7116545413_191cc3e050_n.jp g" target="_blank">http://farm8.staticflickr.com/7190/7116545413_191cc3e050_n.jp g"/> [/img][/url]

Any idea what the dividing sign means in the above?

Cheers


 
Posted : 26/04/2012 7:50 pm
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is it not the tolerance? so + or - the number

Edit: sorry didn't look closely at the left number


 
Posted : 26/04/2012 7:52 pm
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surely the + and the - is the tolerance?


 
Posted : 26/04/2012 7:53 pm
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As shorty says, what's it for?


 
Posted : 26/04/2012 7:53 pm
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This thread needs Mrs Toast. And a bike, a bear and a rainbow.

🙂


 
Posted : 26/04/2012 7:54 pm
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Cutting a hole in a worksurface for hob


 
Posted : 26/04/2012 7:54 pm
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obelus denotes a range


 
Posted : 26/04/2012 7:56 pm
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denotes a range

Naa, its a Hob he said, not an Aga.
😉


 
Posted : 26/04/2012 7:57 pm
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At a guess it's chamfered so the hole is wider at the top or bottom?


 
Posted : 26/04/2012 7:58 pm
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is it italian by any chance ?


 
Posted : 26/04/2012 7:59 pm
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480 to 490 +2 to -0 tolerance


 
Posted : 26/04/2012 7:59 pm
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Not sure what the context is, but it makes no sense to me - unless they're suggesting a size range between 480 & 490 but then the notion of a tolerance (can't read it clearly, but it looks like plus2 / minus0) would be nonsense. Couldn't begin to tell you why they've used the division symbol though.

I'd ring them and ask them for clarification; as the drawing's pants.


 
Posted : 26/04/2012 8:00 pm
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It's a neff hob.

Confused because why not not write 486 +- 6 rather than 480 to 490 +2 - 0


 
Posted : 26/04/2012 8:13 pm
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another neff [url= http://www.neff.co.uk/cpimages/927211.pdf ]drawing [/url]


 
Posted : 26/04/2012 8:20 pm
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Why don't you just measure the hob and see what size of aperture you need that way


 
Posted : 26/04/2012 9:17 pm
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[url= http://farm8.staticflickr.com/7192/6970704686_fe3c375c7b.jp g" target="_blank">http://farm8.staticflickr.com/7192/6970704686_fe3c375c7b.jp g"/> [/img][/url]

Just went with the shorter measurment, fits fine (not in middle front to back because worktops deeper than standard and overhang)


 
Posted : 26/04/2012 9:26 pm
 loum
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Confused because why not not write 486 +- 6 rather than 480 to 490 +2 - 0

as oli'd said^^^.
Sloping (by 5mm each end of the hole) face to those cuts.
490 measured on top of the opening.
480 measured underside.
Possiblly?


 
Posted : 26/04/2012 9:30 pm

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