CUTTING TAP AND METHOD OF MAKING SAME

CUTTING TAP AND METHOD OF MAKING SAME

A method of making a cutting tap includes the steps of: grinding a blank to form a threaded body portion at an axially forward end of the cutting tap, grinding one or more flutes in the threaded body portion to form cutting edges; grinding the threaded body portion to form a first cutting thread and...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: GEORGE, STEPHEN, M, VOLOKH, VLADIMIR, D, HENDERER, WILLARD, E
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
COMBINED OPERATIONS
DRESSING OR CONDITIONING OF ABRADING SURFACES
FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
GRINDING
MACHINE TOOLS
MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING
METAL-WORKING NOT OTHERWISE PROVIDED FOR
OTHER WORKING OF METAL
PERFORMING OPERATIONS
POLISHING
THREAD CUTTING
TRANSPORTING
UNIVERSAL MACHINE TOOLS
WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTIONTHEREWITH
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Beschreibung
Zusammenfassung:A method of making a cutting tap includes the steps of: grinding a blank to form a threaded body portion at an axially forward end of the cutting tap, grinding one or more flutes in the threaded body portion to form cutting edges; grinding the threaded body portion to form a first cutting thread and a second cutting thread, the first cutting thread at a first distance from the axially forward end of the cutting tap, and the second cutting thread at a second distance from the axially forward end of the cutting tap; and grinding a chamfer in the threaded body portion such that a thickness of a section of material removed from the second cutting thread is smaller than a thickness of a section of material removed from the first cutting thread during a tapping operation.