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 Geometric Characteristics of Drilling of Intersecting Holes  

 Jinsoo Kim

Sponsored By: CODEF

Abstract 

The analytical expressions for the exit angle and the gradient of the exit angle in intersecting hole drilling were developed. The exit angle and the gradient of the exit angle are a function of the ratio of drill diameter and the eccentricity to the diameter of the through hole, and known to be important parameters. The analytic expressions will provide the information on the geometry in intersecting hole drilling and its effects on the drilling burr formation.  

 

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