Gear cutting – milling – or planing – Milling – With means to remove chip
Reexamination Certificate
2007-12-25
2007-12-25
Evans, Robin (Department: 3722)
Gear cutting, milling, or planing
Milling
With means to remove chip
C408S068000, C082S901000
Reexamination Certificate
active
10990281
ABSTRACT:
Milling cutter (1), which can rotate about a cutter longitudinal axis (A), comprises a sleeve-shaped shaft (2) provided with an inner lying chip evacuation channel (11), which is arranged, in essence, symmetric to the cutter longitudinal axis (A), and with a suction opening (12). The milling cutter also comprises a milling head (3, 3a, 3b, 3c), which is held coaxial to the cutter longitudinal axis (A) and to the shaft (2) while being held on said shaft and which comprises, as cutting edges (7, 9), a face cutting edge (7) and a peripheral cutting edge (9). At least one cutting edge (7, 9) forms a positive rake angle (γa, γr) on the periphery of the milling head (3, 3a, 3b, 3c). The milling cutter (1) is particularly suited for machining light metals, especially for circular milling.
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Sandvik Coromant: “Rotating Tools Catalogue” Feb. 2001, Sandvik Coromant UK, Halesowen, England XP002253956, p. 137-p. 139.
Kammermeier Dirk
Mergenthaler Peter
Evans Robin
Gates Eric A.
Kennametal Inc.
Nils H. Ljungman & Associates
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