Influence of a diagonal pre-drilled hole on hole quality during the reaming process using multiblade tools

The requirements of production engineering for a precision hole are to ensure the required quality as well as minimal production costs. The interactions between machine, tool and the pre-drilled hole result in uncertainties during the final reaming process. For this purpose the reaming process itself and the appearance of process faults were focused in a large number of publications. Due to the fact that the reaming process is an inherent part of a process chain and thus directly linked to a pre-machining process (drilling process), the influence of a pre-drilled hole is neglected till date. F...

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