What is it about?
The purpose of this study was to evaluate the performance of cryogenically treated M35 high-speed steel (HSS) twist drills in the drilling of Al/SiC metal matrix composites (MMCs) produced with the hot-pressing method in terms of dimensional accuracy (Da), surface roughness (Ra) and tool life. The cutting tool (Ct), cutting speed (Vc) and feed rate (f) were taken as control factors. The Taguchi method L 18 (21 × 37) was used for the determination of optimum control factors. Analysis of variance (ANOVA) was applied in order to determine the effects of the control factors on Da and Ra.
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Why is it important?
The current study was conducted with the aim of determining the optimum machining conditions for drilling Al/SiC composites to achieve a low surface roughness and high dimensional accuracy. In addition, the effect of cryogenic treatment applied to tools was investigated in terms of surface quality, dimensional accuracy and tool life. This examination of the machining of Al/SiC composites with cryogenically treated tools will contribute to the extension of a database for the machining of such materials and serve as a basis for further research.
Read the Original
This page is a summary of: Evaluation of drilling Al/SiC composites with cryogenically treated HSS drills, The International Journal of Advanced Manufacturing Technology, July 2014, Springer Science + Business Media, DOI: 10.1007/s00170-014-6085-z.
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