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Posted by Bob Minchin on June 29, 2008, 9:18 am
Please log in for more thread options Andrew Mawson wrote:
>>> David Littlewood wrote:
>>>> In article
>>>> john@stevenson-engineers.co.uk writes
>>>>>> Yes, the calculator looks good - if it suits. However, if I
> have
>>>>>> understood it correctly, it seems to restrict the belt tooth
> pitch to a
>>>>>> set of stock sizes, which as it happens does not include my
> 4.5mm pitch!
>>>>>> Glad it worked for you though.
>>>>>>
>>>>>> David
>>>>>> -- David Littlewood
>>>>> That's because a 4.5mm belt isn't a standard size.
>>>>>
>>>> Pity no-one told the makers of my sander (Elu) then. Wonder where
>>>> they got it from.
>>>> David
>>> David,
>>> You said " measured over 10 teeth" ie 9 gaps/pitches
>>> Is it possible you measured over 9 tooth pitches and divided by 10?
>>> Just a thought
>>> I can't imagine why Elu would not use standard parts.
>>> Bob
>> Well, that's a very sensible question, Bob, but no, I measured over
> 10
>> teeth and 10 gaps. Just to make sure (I didn't think I had made such
> an
>> error, but it never hurts to check*) and it is definitely 4.5 mm
> pitch.
>> Machine is at least 20 years old, maybe a sign that times were
> different
>> then, or the fact that the maker was (IIRC) Swiss (later I think
> bought
>> out by Black & Decker).
>>
>> *Well, I say it never hurts, but this time one of the brushes popped
>> out, took several minutes of fiddling to get it back....
>>
>> David
>> --
>> David Littlewood
>
> I've fallen foul of non standard length belts before now but not odd
> pitches. My coin counter uses an inverted toothed belt as transport
> for coins, and is a 'special' only available from the makers in
> Japan - 51 tooth iirc with no length adjustment.
>
> AWEM
>
If I did not know why you might count enough coins to wear out a coin
counter belt, I might be tempted to visualise you as a miser! LOL
(instead of the generous chap you really are!)
Bob
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>> Yes, the calculator looks good - if it suits. However, if I have
>> understood it correctly, it seems to restrict the belt tooth pitch to a
>> set of stock sizes, which as it happens does not include my 4.5mm pitch!
>> Glad it worked for you though.
>>
>> David
>> --
>> David Littlewood