Subject:
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Re: Very loose tolerances in the manufacture of LEGO bricks?
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Newsgroups:
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lugnet.lego.direct
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Date:
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Sun, 10 Jun 2001 19:02:30 GMT
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Viewed:
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464 times
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In lugnet.lego.direct, Christopher Masi writes:
> When I went to
>
> http://club.lego.com/eng/newstuff/default.asp
>
> I noticed this statement
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> Thousands of a mm - that's the tolerance of
> accuracy at the LEGO mould factories.
>
> I don't think that you mean that the tolerances are on the order of meters (a
> thousand mm is a m), do you?
I can't get into the Web Club to read this (because my userid has
been nuked for some reason) so I don't know the context. But as
Jake McKee has already posted, this would be thousandths of a
millimetre (1/1000 or 0.001 mm). For you non-metric people
this is 0.0004 in.
Having said that I find it highly unlikely that LEGO is generally
holding those kinds of dimensional tolerances on their plastic
elements. And attempting to hold it would be silly. Even on
non-plastic parts I would doubt they are holding much tighter
than 0.01 mm (0.004 in). And by just looking at their pieces
now, I can certainly say they sometimes have trouble hitting inside
of 0.1 mm (0.04 in).
I have asked LEGO about this in the past, but they refused to
answer citing that it's all highly proprietary and such.
KDJ
_______________________________________
LUGNETer #203, Windsor, Ontario, Canada
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