B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
B22C 15/02 (2006.01) B21K 5/02 (2006.01)
Patent
CA 2553354
A cutting tool has a longitudinally extending shaft portion with a chucking part and a cutting head. A pressed powder cutting insert with a cutting edge is on the cutting head. The cutting edge includes at least one cutting portion. A rake surface is formed adjacent to at least one of the cutting portions with the rake face being at a rake angle from about 0° to 10°. A clearance face is formed adjacent to the at least one cutting portion opposite the rake face. The clearance face is at a clearance angle from about 10° to 50°. An edge radius between the rake face and the clearance face is at a radius of from about 0.0015 to about 0.004 inch. The edge radius is formed during pressing of the powder to form the insert, thus, enabling the insert to be directly braised into the cutting head.
Anjanappa Muniswamappa
Bludis Thomas Trevor
Crosby Stephen R.
Koehler Udo
Timmons Russell M.
Black & Decker Inc.
Gowling Lafleur Henderson Llp
University Of Maryland Baltimore County
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