Re: Carbide insert information

Wally K. replys;

Acording to the 26th edition of the machinery and tool hand book.
The letter "T" as in xxxTx... of the insert code means "with hole,one
countersink, and chip groove on one rake face". Page 731.

The holder code for the letter 'N' as in xxNx...is stated
as "straight shank with 27 deg side cutting edje angle". Page 734.




--- In CAD_CAM_EDM_DRO@egroups.com, "Kevin Martin" <kpmartin@t...>
wrote:

> Sorry for the long delay in following this one up...
> I finally got around to checking my tooling catalogues and

Machinery

> Handbook... The carbide insert code that doesn't seem to be listed
> anywhere is the letter 'T' as the 4th letter of the insert code

(e.g.

> CCMT, TCMT). The holder code I can't find is the letter 'N' as the
> 3rd letter (e.g. STNCR), which appears to be straight-shank with
> negative 5 degree side cutting angle.
>
> These codes seem to show up most frequently in the smaller sizes of
> positive-rake turning tooling, which is unfortunately just the sort
> of thing I am looking for, and I would prefer to understand what I

am

> buying before I shell out the money, so if anyone can find the
> official definitions for these codes (perhaps in a more recent
> Machinery's), I would appreciate it...
> -Kevin