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Re: Engineering Question Regarding Splined Shafts

To: "shop-talk@autox.team.net" <shop-talk@autox.team.net>
Subject: Re: Engineering Question Regarding Splined Shafts
From: Don Malling <dmallin@attglobal.net>
Date: Mon, 13 Oct 2003 13:12:46 -0400
More info a list member sent me.

http://www.mgaguru.com/mgtech/wheels/wl102.htm

Don Malling

Linden Thomson wrote:
> 
> 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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