Subject: Wiggins couplings for sale.
From: ACRE NL
Date: 1/20/2003, 9:20 AM


 > > > 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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