2013
DOI: 10.3390/ma6125907
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Abstract: This paper presents a study of hole quality and energy consumption in the process of drilling a thermoplastic polymeric material, polyether-ether-ketone, reinforced with 30% glass fibers (PEEK-GF30). PEEK-GF30’s capacity to be machined has focused on turning operations. Studies of drilling involving thermoplastic polymeric materials have considered materials with other types of matrices, or reinforcement. In this study, quantities such as maximum and mean surface roughness, delamination, maximum thrust force, … Show more

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Cited by 19 publications
(13 citation statements)
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“…Since pure PEEK has a limited performance [3,4], many fiber and nano-particle reinforced PEEK composites have been developed to further improve the mechanical performance. Typically, SGF/PEEK composite has been manufactured with the injection molding process [5,6], and it presents enhanced properties including strength, modulus, rigidity, creep resistance, as well as dimensional and thermal stability [7]. Simultaneously, its density is 30% lower than those of alloys and the cost is reduced by 90% [8].…”
Section: Introductionmentioning
confidence: 99%
“…Since pure PEEK has a limited performance [3,4], many fiber and nano-particle reinforced PEEK composites have been developed to further improve the mechanical performance. Typically, SGF/PEEK composite has been manufactured with the injection molding process [5,6], and it presents enhanced properties including strength, modulus, rigidity, creep resistance, as well as dimensional and thermal stability [7]. Simultaneously, its density is 30% lower than those of alloys and the cost is reduced by 90% [8].…”
Section: Introductionmentioning
confidence: 99%
“…At 22 • C ( Figure 5a) and 0 • C (Figure 5b) the distribution of the energy obtained was more uniform. At −22 • C (Figure 5c), the highest spindle speeds provided a similar behavior to that in thrust forces at this temperature, despite the greater influence of the torque in the calculation of the energy consumed during drilling [16]. The explanation can be the same as found for the forces, given the dependence of the cutting conditions along the cutting length during drilling (see Equation (1)).…”
Section: Response Surfacementioning
confidence: 56%
“…The values are the result of calculating the means of three values because the reproducibility of the measurements was very high. Outcomes from forces or energy show the influence of the feedrate, in a way that at higher feedrates, a reduction of the values of these variables were obtained, compared to other experimental data [16], which could be explained by the fact that the flute helix angle of tools improves chip evacuation. A low variability can be observed in data from input diameters; in all tests except in test 21, diameters slightly lower than the nominal drill bit (6 mm) were obtained.…”
Section: Resultsmentioning
confidence: 86%
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“…The roughness is calculated considering the following quadratic expression (Domingo et al, 2013a), = 2.0169 − 0.1200 × + 1.3027 × + 0.0013 × × + 0.0675 × 2 + 0.2306 × 2…”
Section: Sustainability Indexmentioning
confidence: 99%