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Sharpening Diamond Coated Carbide Tools

Rollomatic, a machine tool manufacturer based in Switzerland, has announced new capabilities related to the LaserSmart 510 laser cutting and ablation machine.

"Diamond coated carbide cutting tools are a great option when machining highly abrasive materials, because the coating properties help to significantly increase tool life relative to uncoated carbide tools," said a company spokesperson. "The drawback of diamond coating is the fact that thick-film coating makes the cutting edge dull and thin-film coatings often wear prematurely."

Rollomatic has developed a process that allows sharpening of thick-film diamond coated cutting tools. "The Rollomatic CNC Laser Cutting Machine LaserSmart incorporates technologies that facilitate probing of the coated cutting edge surface to detect the exact shape and position," said the spokesperson. "Then the laser cutting process will remove just enough diamond coating to make the cutting edge sharp. Only a predetermined amount of the coating, just around the cutting edge, is removed by the laser process. In-field tests have demonstrated that tool life can increase significantly with a sharpened thick-film coated tool compared to a conventional diamond coated cutting tool. Such cutting tools are a cost-effective alternative to the more expensive PCD tools."

For more information contact:

Rollomatic Inc.

1295 Armour Boulevard

Mundelein, IL 60060


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