Comparison of Ground and Laser Machined Polycrystalline Diamond (PCD) Tools in Cutting Carbon Fiber Reinforced Plastics (CFRP) for Aircraft Structures

Dold, Claus; Henerichs, Marcel; Bochmann, Lennart; Wegener, Konrad

doi:10.1016/j.procir.2012.04.031

Cited by 46 publications

(18 citation statements)

References 22 publications

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“…As shown by Mathew et al [143], core drilling tools achieve much smaller thrust force and torque, and better hole quality compared to commercial twist drills. Modification of the cutting edge geometry through rounding and chamfering significantly enhances the tool life and workpiece finish quality for carbide tools [35,58].…”

Section: Materials For Aeroframes-compositesmentioning

confidence: 99%

High performance cutting of advanced aerospace alloys and composite materials

M’Saoubi¹,

et al. 2015

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Section: Materials For Aeroframes-compositesmentioning

confidence: 99%

High performance cutting of advanced aerospace alloys and composite materials

M’Saoubi¹,

et al. 2015

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“…Faraz et al [5] quantified drill wear using cutting edge radius as the measured parameter and found that it correlated well with forces, damage, etc. Dold et al [6] measured changes in the cutting edge radius of polycrystalline diamond (PCD) turning inserts to study whether laser machining of PCD inserts is a feasible technique for preparation of cutting edges. They found that the wear rate depended on the fiber angle, with the largest wear rate observed at 90 • FOA.…”

Section: Introductionmentioning

confidence: 99%

Fiber orientation angle effects in machining of unidirectional CFRP laminated composites

Madhavan

Lipczynski

Lane

et al. 2015

Journal of Manufacturing Processes

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a b s t r a c tExperiments were carried out at the National Institute of Standards and Technology, in collaboration with The Boeing Company, to obtain force and temperature data as a function of feed, speed, and fiber orientation angle (FOA), for validation of finite element simulations of composite machining. The outer diameter portions of disks of unidirectional carbon fiber reinforced plastic (CFRP) laminates were cut orthogonally. Tabs were machined into the outer diameter (OD) to cause cutting to begin at a FOA of 0 • and end at a FOA of 90 • . Cutting forces were measured using a dynamometer and the chip morphology was recorded using a high speed camera. It was observed that the variation of cutting force with FOA depended on the feed. For large feed, the cutting force increases with FOA until an angle of 90 • , whereas for low feed the cutting force decreases beyond 65 • . The chip morphology also changes with FOA and feed. Significant tool flank wear is noted even in these short duration experiments, which causes the thrust and cutting forces to increase significantly for FOA from 0 • to 60 • . For 65 • -80 • FOA, force signals change cyclically. A small spike in the cutting force seems to be correlated with fibers being pulled out in clumps, and is followed by lower forces in subsequent revolutions while the pitted surface is machined.Published by Elsevier Ltd. on behalf of The Society of Manufacturing Engineers.

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“…chip breakers, reduced cycle times and does not wear or incur forces on the cutting tool during processing. Dold et al [1,2] and Rabiey et al [3] demonstrated that laser processing also delivers a tool which exhibits equivalent, if not better performance results compared with conventional grinding processes. In general, diamond cutting tools can be characterised topographically by measuring the surface roughness of the cutting faces, geometrically by measuring the cutting edge radius as well as edge and face angles, and structurally by detecting material transformations, e.g.…”

Section: Introductionmentioning

confidence: 99%