[SML] Thread projection

[Richard Niederberg]

Then why does anybody care if the screw rotates an additional 5
seconds of arc, 5 minutes of arc, or 5 degrees of arc, past the end of
the nut?
/s/ Richard
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On Fri, Sep 19, 2014 at 7:59 AM, Stuart Wheaton via Stagecraft
<stagecraft at theatrical.net> wrote:
> On 9/19/2014 8:10 AM, Dave Vick via Stagecraft wrote:
>>
>> On Thu, Sep 18, 2014 at 6:59 PM, Stuart Wheaton via Stagecraft
>> <stagecraft at theatrical.net> wrote:
>>
>>> It's probably a lot like the 5 second rule for nicopress swages...
>>
>>
>> There is no such thing.
>
>
> Given both your and Bill's response, I feel the need to clarify what I was
> trying to say.
>
> There is no rule about 5 seconds, but I have worked with people who believe
> there is one, and as I see it, all it means is that you ought to pause for
> just a moment to ensure that the jaws are really fully closed.  And yes, the
> only certain test is the proper go/no-go gauge.
>
> Just like the idea that as long as the threads protrude through the nut,
> (and either through the nylon or the lockwasher is compressed) then the nut
> is doing all it can do to add strength to the connection.  Once the bolt is
> through the nut, it is far more important to have a means of preventing it
> from working loose than it is to count threads.
>
>
> Stuart
>
>
>>
>> The rule for Nylok nuts is the fastener protrudes through the nylon.
>> Whether it's one thread through or a dozen threads through is not
>> relevant.
>>
>
>
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-- 
/s/ Richard
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