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Reply by msinc

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Posted on The carbide puzzle

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msinc

567 posts in 1382 days


#1 posted 11-25-2017 03:04 PM

As a machinist by trade I have probably used more carbide than many people, but it was mostly on metal. I have used it quite a bit for wood. The two biggest things about carbide and wood are that it cost more and it stays sharp longer…that’s really about it. It will cut and it will scrape either way, wood being so much softer. From what I see in regards to using it for a wood lathe tool, it all comes out in the wash. You can spend the money and move on with the project or you can spend the extra money as time stopping to sharpen your lathe tool.
It’s really the special uses that make the difference. Turning very hard wood or materials or wood that has a lot of minerals and “sand” in it could make it necessary. Same with metal…it’s just harder so it is used to machine very hard metal. I can tell you that with metal it does not like an interrupted cut and will break easily. For cutting metal it does not like high speed either. Most things machined fast out of metal are done with CBN tooling and have been for some time now.


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