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Posted by mark@ems-fife.co.uk on February 13, 2007, 4:50 am
Please log in for more thread options On Feb 13, 8:05 am, "Andrew Mawson"
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> > I noticed some gear cutters on eBay and wondered how they were used.
>
> > Some have what appear to be a taper shank on them and others are
> similar
> > to horizontal arbour milling cutters, but not!
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> > One of the taper shank types is item number 130077714939
> > and one of the other types is item number 130077974259
> > and a thinner type item number 130077720295
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> > From what I can see they would have to be used in some form of
> shaper
> > setup to cut like a form tool, but not even sure if the middle one
> would
> > do that.
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> > Can someone more knowledable please explain to me how they would
> work as I
> > only know how to use standard gear cutters in the lathe or milling
> > machine?
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> > Many thanks
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> > Adrian
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> 130077714939 is for a Fellows gear shaper with a socket ram
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> 130077974259 is for a Fellows (type) gear shaper
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> 130077720295 is for a Fellows (type) gear shaper
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> Seehttp://www.locatoronline.com/photos/fullsize/276367.jpg
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> The ram holding the cutter reciprocates vertically and at the same
> time rotates at the correct turns ratio to the blank, and the two are
> brought into 'mesh' bathed in cutting oil until the correct depth of
> cut is achieved. The gear is effectivesly shaved to size and typically
> a stack of blanks will all be cut at the same time.
>
> Always wanted a Fellows gear shaper but they are VAST - still I'm
> looking at a house at the moment with a potential 2000 sq foot
> workshop <G>
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> AWEM- Hide quoted text -
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> - Show quoted text -
Well if you fancy a Drummond Maxicut 3A or a spline hobber just get in
touch.I have a pdf of the manual for a 2A,the 3A`s the same but
bigger.
Mark.
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> I noticed some gear cutters on eBay and wondered how they were used.
>
> Some have what appear to be a taper shank on them and others are