> > > Hi Barry;
> > >
> > > First of, my batch was made in a high speed CNC Lathe, and believe
> it or
> > > not it was cheaper and faster to turn them out of SOLID round stock
> instead of
> > > aluminum tubing.........A length of material (12 ft. long) is fed
> through the
> > > spindle and all the turning, grooving and boring operations are
> performed with
> > > the last one being the parting (cutting of the part from the al. bar),
> so when
> > > the part is mandrel caught, (catched), it's completely
> finished....."Piece-O-
> > > Cake" :)
> > >
> > > You can do the same thing in an manual lathe, just takes a little
longer
> :) If
> > > your lathe is not big enough to feed the bar thru the Spindle, cut
> lengths of
> > > material which is determined by how far the stock will go into the
chuck
> (3jaw)
> > > and add 2 inches from the jaws, this means there will be 2 inches
> sticking out
> > > from the chuck's jaws.......Face off the stock, center drill, step
rough
> drill
> > > the bore, do not finish bore. Move on to the outside turnings,
grooving,
> > > vebeling etc. to finish sizes. Go back to the bore and using a single
> point
> > > boring bar bore to finished size. You can now part the piece by using a
> parting
> > > tool, make sure you leave the piece about 1/32 oversize. Next UN-chuck
> and pull
> > > the stock out and repeat operations.....If you have, and know how to
use
> a 4
> > > pos tool turret, and took note of your dial numbers, you wouldn't have
> to break
> > > up your set-ups and can repeat this over and over again with no
problems
> at
> > > all. For facing the parts afterwards, the best thing is to use a
collet,
> if you
> > > don't, the best next thing I find is to remove the hardened jaws from
> the chuck
> > > (I would imagine they are removable for reversing purposes), and mill,
> drill to
> > > mount aluminum rectangular blocks in their place, face-off and bore out
> a hole
> > > same as the O.D. of the part you want to chuck for facing........This
is
> a
> > > great project for anybody who want's to learn machining skills.
> > > As a rule, in most machined jobs, fixtures should be avoided as they
> actually
> > > take longer to do than the actual parts, even if you're planning to do
> hundreds
> > > since you can get a CNC shop to make them for you cheaper.......RIGHT,
> Jerry? :)
> > >
> > > If I can be of further help, let me
> know.
> > > Butch
> Thanks a lot, Butch.
>
> Barry Gardner >>
I purchased 8 of these Wiggins when the group placed orders a year or so ago.
I would sell them all for what I paid for them since I'm selling my 20B
Project.
Don Mitchell
MitchDandS@aol.com
PS: The 20B is still available at this moment.
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