b'Microengraving requires balancing cutting tool characteristics and machine capabilities.By Alan Richter engraving, especially the version with a 30 in-cluded angle, they are designed primarily for T raceability from start to finish is essentialspotting and chamfering, he explained, add-for mission-critical components, such asing that they see limited use.ones machined for medical and aerospace ap- However, thats not the case for the other plications. And when parts are small, microen- two series, Jackson said. The two-flute EGR graving tools frequently are needed to perma- engravers have a 1.27 mm (0.05") diameter, nently create serial numbers and letters. have a V-shaped bottom and are available Anything that needs traceability, they willwith a 30, 60 or 90 included angle while the put an engraving on it, said Solution Salessingle-flute HR tools have a flat at the end as Manager Kevin Jackson of Kyocera Precisionsmall as 0.127 mm (0.005") to produce a letter Tools Inc. in Hendersonville, North Carolina.height up to 1.59 mm (0.0625").Almost everyone I know of is using engravingHaving a two-flute tool is often an attractive for serial numbers. option when microengraving, particularly when For micromachining, the toolmaker of- it is run on a machine tool with limited rpm.fers three series of solid-carbide engravingThe EGR is one of our bigger sellers be-tools: EGR, HR (half-round) and SPD, or spade.cause its a two-flute, Jackson said. If you are Although the spade tools are suitable forOK with a V bottom on your lettering or engrav-Kyocera Precision Tools offers solid-carbide spade, half-round and two-flute engraving tools.Kyocera Precision Tools38SEPTEMBER 2020 Engraving.indd 38 8/17/20 11:03 AM'