What is it about?
This study investigated the effects of cutting parameters on the quality characteristics of thrust force (Ft), surface roughness (Ra), dimensional accuracy (Da) and burr height (Bh) during the drilling of Al/10B4C and Al/10B4C/5Gr composites. Machinability experiments were carried out with uncoated carbide twist drills at three different cutting speeds (18, 25 and 35 m/min) and three different feed rates (0.08, 0.112 and 0.16 mm/rev) under dry cutting conditions.
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Why is it important?
The percent contribution of the cutting/drilling parameters/variables to the quality characteristics was determined using analysis of variance (ANOVA), and predictive linear equations were developed for the estimation of all the quality characteristics.
Perspectives
As a result of the experimental study, it was determined that during the drilling of the composites, the 5% graphite reinforcement of Al/10B4C/5Gr decreased the thrust force and the burr height, improved the surface quality and brought the composite closer to its ideal diameter value.
Prof.Dr. Ali Riza Motorcu
Canakkale Onsekiz Mart Universitesi
Read the Original
This page is a summary of: An investigation of the effects of cutting parameters and graphite reinforcement on quality characteristics during the drilling of Al/10B4C composites, Measurement, January 2017, Elsevier,
DOI: 10.1016/j.measurement.2016.10.041.
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