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> -----Original Message-----
> From: gingery_machines@yahoogroups.com
> [mailto:gingery_machines@yahoogroups.com] On Behalf Of michael
> Sent: Sunday, October 31, 2010 10:37 PM
> To: gingery_machines@yahoogroups.com
> Subject: [gingery_machines] Re: slip roll machine
>
>
> Hi,
> name is Mike
> I'm new to the group so I guess this is as good a subject as
> any to jump in since I have some recent experience.
> I've had the book for years and had thought about building
> one but I decided I needed something much more substantial.
> Gingery inspired mine though, had it not been for the book I
> probably would not even known I needed a slip roll machine or
> even thought about building one myself.
> I'm most interested in building the Gingery shaper in the
> near future which is how I found this group.
>
> Having more time and scrap materials than sense or money I
> recently built a 24" machine with 2" dia rollers which is
> rather unique in a few ways for a small roller like this and
> shows how things can be improvised to do something without
> using the fancier and more expensive means found on
> commercial machines.
> The rear roll works on a chain drive to move in and out in
> sync for straight rolling but can be unpinned and moved
> independently for rolling cones. The lower pinch roll is
> adjusted the same way though the chain drive takeup and crank
> is not complete yet. BUT, it's not really needed. The pinch
> roll has a bronze shoed backup rest and 2 ton bottle jack
> driving it to really put some force on the sheetmetal when
> needed. I felt I needed this feature as I intend to add power
> to it via an old coal stoker tranny, 1hp motor I have and a
> crude homemade power disconnector similar to the method used
> on the little sherline lathe for the power feed accessory.
> The bottom pinch roll is driven by a crank. The top slip roll
> is driven by a chain sprocket ala Gingery. I still need to
> drill the axles for grease fittings and finish the chain
> drive for the pinch roll though the bottlejack actually works
> better and it's not needed really. Other than that it is
> pretty much done at least for hand operation. In a test it
> rolled a 12" section of some pretty thick SS sheet metal into
> a 3" tube with a some work. (that's why I want to add power)
> If powered I think it is probably capable of rolling 16 ga
> mild steel without much trouble.
> One thing leads to another, I had to make a ball turning
> attachment for my lathe to make ball handles for the sliproll locks.
>
> I uploaded some pics of the machine on photobucket if anyone
> is interested.
>
> http://s1135.photobucket.com/albums/m637/wpstretch/Tools/
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
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http://groups.yahoo.com/group/gingery_machines/app/peoplemap/view/map
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