IMPROVED ROTARY CUTTING TOOL HAVING COATED CUTTING TIP AND COOLANT HOLES AND METHOD OF FABRICATING

PURPOSE: An enhanced rotary cutting tool with a coated cutting tip and coolant holes and a fabricating method of the same are provided to manufacture a drill with a cutting tip having hardened polycrystalline-diamond(PCD) cutting edges along with coolant holes. CONSTITUTION: A rotary cutting tool is...

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Bibliographic Details
Main Authors ZIMMERMANN ARMIN JOSEF, SAMPATH KARTHIK
Format Patent
LanguageEnglish
Korean
Published 12.12.2012
Subjects
BORING
COMBINED OPERATIONS
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
MILLING
OTHER WORKING OF METAL
PERFORMING OPERATIONS
TRANSPORTING
TURNING
UNIVERSAL MACHINE TOOLS
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Summary:PURPOSE: An enhanced rotary cutting tool with a coated cutting tip and coolant holes and a fabricating method of the same are provided to manufacture a drill with a cutting tip having hardened polycrystalline-diamond(PCD) cutting edges along with coolant holes. CONSTITUTION: A rotary cutting tool is composed of a cylindrical body(22), a groove, and a nib part. The cylindrical body includes a first end part(14) and a second end part(16). The first end part is engaged with a work piece. The second end part is mounted at a machine tool. The groove is formed in the first end part and is disposed to the longitudinal axis. The nip part is disposed in the groove and is coupled to the groove by a brazing process.
Bibliography:Application Number: KR20120057367