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Questions 1.

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1. Abrasive machining with very coarse grinding wheels and large depths of cut can provide size tolerances and metal removal rates comparable to, even exceeding, those obtainable by milling, turning, or broaching. Can you substitute all these machining processes by abrasive machining? Why or why not?
2. Is the efficiency of the grinding process high or low compared to processes like turning and milling? Why? Where does most of the created heat energy go?
3. What is the typical range for the depth of cut for finishing and abrasive machining in a grinding operation?
4. What is the relationship between grit size and surface finish?
5. Discuss the advantages and disadvantages of hard turning process. The main finishing process in industry is still grinding instead of hard turning, why?

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