blake in spokane
Hot Rolled
- Joined
- Jan 11, 2008
- Location
- spokane
Is there a site somewhere to identify carbide inserts? Yes it is easy to figure out a TPG 321 C6 or TNMG 432 C2 - But some of the other #"s and grades are way out there.
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Sounds like you might be looking for a grade conversion chart
Grade conversion charts are worthless.
Long ago I had to outlaw their use in my facility. Every chart has differing info, none of it is based on reality.
Show me a salesperson using a conversion chart and I'll show you a person who does not know jack shit about carbide tooling.
Spend fifteen minutes with the guy that wrote the chart and you'll soon realize it's all about marketing, not applications.
Don't even get me started on the piss-poor ISO number system. Can you say "wild guess"? You would do just as well posting grades on a dartboard and throwing blindfolded.
Serious carbide facilities have a lab to analyze material and can provide you with useful feedback.
There are no exact equivalent grades. Every one has it's own characteristics.
Bob
I find that success in a particular material with a given insert probably has more to do with the design of a given top form geometry (chipbreaker) and applying the right depth of cut and feed rate to it than it is the grade or coating. What do you think about that theory of mine? More BS?
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