[DeTomaso] Axle Nut Torque
B. Seib
oldwheel at mts.net
Mon Apr 9 23:54:56 EDT 2007
Tony
I think the torque figure you mentioned was used to try to prevent the inner
ball bearing races from turning on the axles. Probably a lot more of an
issue with the stock axles (undersize). If you really mean roller (tapered)
bearings and not stock type ball bearings, that's a whole different
discussion, isn't it? I don't think the same amount of torque is needed in
tapered roller redesigns.
Barry
-----Original Message-----
From: detomaso-bounces at realbig.com
[mailto:detomaso-bounces at realbig.com]On Behalf Of tony DiGiovanna
Sent: Monday, April 09, 2007 9:16 PM
To: detomaso at realbig.com
Subject: [DeTomaso] Axle Nut Torque
Been a while since I remember seeing this debate: I'm about to re-assemble
upright assemblies with billet axles and roller bearings. Would like to
hear your opinions justifying or challenging the need for 450 ft-lbs of
torque on the nut.
Usually such torques are intended to pre-stress tensile members to prevent
cyclic stresses and therefore fatigue. I'm having a hard time convincing
myself that 450 ft-lbs of torque creates enough tensile stress in the billet
axle to achieve this end. What do you think?
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