METHOD OF MILLING BRITTLE MATERIALS USING A POLYCRYSTALLINE DIAMOND END MILLING TOOL
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Apr 20, 2023
filing date -
Apr 20, 2023
priority date (Note) -
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Abstract
Herein is provided a method of milling a brittle workpiece (46) using a milling tool (10), •—the workpiece (46) comprising a material, the material having a Ductile-Brittle Transition Undeformed Chip Thickness, DBhrn, •—the milling tool (10) comprising a tool shank (12) having an axis of rotation (14), and further comprising a tool head (16) comprising superhard material at one end thereof, the tool head (16) having a diameter (42), and •—operating the milling tool (10) such that an Undeformed Chip Thickness, hm, of the workpiece (46) is less than said Ductile-Brittle Transition Undeformed Chip Thickness, DBhm of the material.
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