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Posted by Harold and Susan Vordos on April 8, 2006, 2:46 am
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> I ran a company years ago that had German made peg board machines for
> production work. [pre CNC]
> They were automatic turret lathes , that we ran 3 shifts a day and they
had
> metric tool holders.
> We took heavy roughing cuts and broke lots of insert tools in the
process.
> We were using Kennametal
> tooling and I changed from using 1 inch insert tools to some huge
Kennametal
> insert tools .I think they
> were about 2 1/2 shank size . Any way I milled the bottom of these huge
> tools to center line and drilled
> and bolted to them table to replace the tool holders that came with the
> machines. Making them tool posts
> with built in inserts. Our tooling cost and breakage went way down . I
think
> it was because they were so rigid.
> Jim
>
Jim,
An excellent example of benefiting from the upgrade, to which I had
alluded. There are times when small inserts just don't cut it (no pun
intended) and modifying larger insert holders so avoid breakage is the order
of the day.
Yours is a very impressive story.
Harold
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>
> I understand that some have machined holders so they can use them in
> their specific tool posts, but if I were to mill, for instance, a BXA
> holder into AXA holder would there be any advantages over an original
> AXA holder?
>
> I assume that any change in strength and rigidity would be
> insignificant, but would there be a benefit as far as the option of
> using better or more easily gotten inserts?
>
> Experiences would be appreciated.
>
> Thanks a lot.
>
> Darren Harris
> Staten Island, New York.
>