With the development of the machining industry, the application of new cemented carbides on deep hole drills has made the level of deep hole processing much faster. High efficiency, high precision and unique BTA deep hole drilling, jet drilling and DF drilling systems have been adopted in many countries. So, what is the mechanism of BTA deep hole drilling and chip breaking? What are the causes of chip breaking? How to eliminate the problem? This paper analyzes the above problems.
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