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Seco Tools has announced additions to its line of Feedmax solid-carbide drills that avoid delamination upon entry or exit when drilling in carbon fiber reinforced polymer (CFRP) materials. The new -C1 geometry features a sharp optimized double points, while the -C2 geometry is specifically designed to drill stacked CFRP with an aluminum or titanium outer layer.
To combat the abrasive properties of CFRP, the Feedmax -C1 and -C2 incorporate a polycrystalline diamond coating, which also provides good dimensional tolerance. The new drills are 5xD with diameters ranging from 0.1260" to 0.5". All -C1 and -C2 drills feature through-coolant holes.
Related Glossary Terms
- abrasive
abrasive
Substance used for grinding, honing, lapping, superfinishing and polishing. Examples include garnet, emery, corundum, silicon carbide, cubic boron nitride and diamond in various grit sizes.
- polycrystalline diamond ( PCD)
polycrystalline diamond ( PCD)
Cutting tool material consisting of natural or synthetic diamond crystals bonded together under high pressure at elevated temperatures. PCD is available as a tip brazed to a carbide insert carrier. Used for machining nonferrous alloys and nonmetallic materials at high cutting speeds.
- tolerance
tolerance
Minimum and maximum amount a workpiece dimension is allowed to vary from a set standard and still be acceptable.
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