1. Multiple coats or layers are put on the carbide base for what different purposes?
2. What tool material would you recommend for machining a titanium aircraft part?
3. What makes the process that makes TiC coatings for tools a problem?
4. Why does a TiN-coated tool consume less power than an uncoated HSS under exactly the same cutting conditions?
5. For what work material are CBN tools more commonly used, and why?
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