True'ing outer rear shafts

PostPost by: mr.vman » Thu Aug 26, 2010 1:55 am

I need to "true" my rear outer axle shafts. Is there a common way to mount on a metal lathe? I can mount between centers but, how to turn the shaft? How about "chucking" the shaft in a four jaw chuck on the inner bearing area (I hope not to leave marks), and using a "center" on the ear end? Also thinking about making a, "split nut" and mount the, "split nut" to screw onto the spindle outer threads. "Chucking" the split nut in the four jaw chuck instead, of the spindle bearing area. My plan is to, "cut" the mounting ears before I attach the rear brake rotors to the spindles. Curious how others have mounted the rear spindles on thier lathes.
Thanks in advance, Steve V. +2 in Arizona
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PostPost by: andyelan » Thu Aug 26, 2010 6:44 am

Hi Steve

If the shafts are earlier types, ie without the anti flail pins, then they should still have the centres in them. I'd pick up these and turn the shaft between centres.

As an alturnative, have you considered shimmimg the discs to get them running true. I described the technique for doing this a little while ago and this has the advantage that if you get things wrong, you can simply take out the shims and start again

Regards
Andy
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PostPost by: bcmc33 » Thu Aug 26, 2010 9:35 am

Steve,

Its quite a basic machining operation. Perhap these links will give you the idea of what to do:
http://www.cartertools.com/turncent.html

http://www.google.co.uk/imgres?imgurl=h ... CDMQ9QEwAw

http://www.google.co.uk/imgres?imgurl=h ... CDcQ9QEwBQ
Brian Clarke
(1972 Sprint 5 EFI)

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