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Re: Engineering Question Regarding Splined Shafts

To: rusd@velocitus.net
Subject: Re: Engineering Question Regarding Splined Shafts
From: Linden Thomson <lindenthomson@optusnet.com.au>
Date: Tue, 14 Oct 2003 00:24:48 +1000
Dave

Much as one would wish to defer to the great McComb, I'm not sure I can in 
this case.
A careful reading of your referred article shows McComb saying that the 
threads of the
retaining nut should be oiled while the other surfaces should be kept clean.
My position on what drives the wheel is supported by

<http://www.wirewheels.co.uk/care.htm>

They recommend only light lubrication of the splines and cones "as most of 
the drive
is taken through the tapered faces".

Linden

At 12:35 PM 12/10/2003 -0600, you wrote:
>LT,
>I don't think that you could be more wrong. The splines carry all of the 
>torque. The inner & outer cones only keep the wheel centered. The cones 
>could only drive by friction. The cones & splines definitely need to be 
>greased. Check this out.
>
>http://www.vtr.org/maintain/wire-wheels-tightening.html
>
>Dave Russell
>
>Linden Thomson wrote:
>>The discussion I have seen on this thread thus far about wheel hub splines
>>ignores the fact that the drive is meant to be via the cone on the axle hub
>>and the inner cone of the wheel hub, and via the outer cone of the wheel hub
>>and the inner cone of the wheel retaining nut (neither of which should be 
>>greased).
>>Very little, if any, torque is meant to be applied to the hub splines.
>>Any that is,
>>is the result of insufficient tightening (and checking of tightness) of 
>>the retaining nut.
>>In other words, on properly maintained knock-on hubs, the splines will 
>>not wear.
>>Cheers,
>>Linden





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