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Re: Edelstall cutting tool system


 

If you've ever ground a 1/2" or larger lathe tool, you'll know that lighter tooling has its advantages, but compared to 6mm stuff, I wouldn't think it would matter that much. I will try to avoid buying that stuff since I don't need to inflame my TES. That's Tool Envy Syndrome, in case you're not familiar with TES. I've got it bad!

Bill in OKC

William R. Meyers, MSgt, USAF(Ret.)

Aphorisms to live by:
Good judgement comes from experience. Experience comes from bad judgement.?
SEMPER GUMBY!
Improvise, Adapt, and Overcome.
Physics doesn't care about your schedule.
The only reason I know anything is because I've done it wrong enough times to START to know better.
Expect in one hand, expectorate in the other. See which one gets full first.



On Sunday, June 9, 2024 at 05:58:42 PM CDT, Charles Kinzer <ckinzer@...> wrote:


Interesting idea.? If the question is why didn't this idea take off, I don't know.? Perhaps because it adds more cost to buy the blank compared to plain blanks.? And perhaps not with much benefit.

Since you have to grind the tool bit some anyway, grinding a little side clearance is no big deal.

Also, that shape reduces the cross section the length of the blank and therefore reduces the stiffness.? With a square blank, the part not ground will be stiffer.

M2-HSS is the most common and affordable tool blank alloy and is what most people are buying even if they don't know it.

On those fancy cross section bits, I just don't see enough of a plus (very modest convenience) compared to minuses (cost and weaker cross section).

Charles E. "Chuck" Kinzer?

On Sunday, June 9, 2024 at 03:48:37 PM PDT, John Entwistle via groups.io <jentwistle3@...> wrote:


There are some on ebay


Best Regards
John



On Jun 9, 2024, at 6:39?PM, Brad Barton via groups.io <xbartx@...> wrote:

?

One reason I couldn't find much information on these was that I misspelled Edelstaal.

Here is a closeup look at the inserts, they are preformed and not square.

Says that they come in M-2 HSS, T-15 HSS & Carbide

<dummyfile.0.part>

?

?

<dummyfile.1.part>

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