Study of Double-Edged Gun Drills with Different Edge Types in Drilling Compacted Graphite Iron

Abstract:

Deep-hole machining is an important part in the field of mechanical processing of diesel engine. Gun drill has been widely used in deep-hole machining because of its high dimensional accuracy, high efficiency and good straightness. Through experiments on drilling compacted graphite iron with two different edge types of double-edged gun drills, the spindle power, axial force and tool wear were analyzed and found out one edge type which is more suitable for processing compacted graphite iron. This paper presents a simulation of deep hole drilling to validate the analysis. The research results have important guiding significance for deep hole processing of compacted graphite iron.

• Periodical: Key Engineering Materials (Volume 866)
• Pages: 22-31
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.866.22
• Online since: October 2020
• Authors: W.L. Ge, L. Chen, X.R. Shi, Yong Guo Wang*
• Keywords: Compacted Graphite Iron, Different Edge Type, Double-Edged Gun Drill, Simulation, Tool Wear

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