Chamfering tool

Details Chamfering tool Chamfering tool

2004-08-20

2008-10-28

Ashley, Boyer D. (Department: 3724)

Cutters, for shaping

Rotary cutting tool

Face or end mill

C407S061000, C408S227000, C408S229000

Reexamination Certificate

active

07441991

ABSTRACT:
A circular truncated cone-shaped cutting section (3) of a chamfering tool (1) is formed with a first blade section (31) which is tilted so that a chip is discharged to a side of a shank section (2), and a second blade section (32) which is tilted so that the chirp is discharged to a direction opposite to the side of the shank section (2) in a peripheral direction with a gap. The chamfering tool (1) is rotated, and the first blade section (31) and the second blade section (32) are alternately brought into contact with an edge of an object to be worked so that the edge is chamfered. As a result, occurrence of a secondary burr on the edge is suppressed.

REFERENCES:
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patent: 3402624 (1968-09-01), Bollito et al.
patent: 5188490 (1993-02-01), Muendlein et al.
patent: 6663326 (2003-12-01), Hiroyasu et al.
patent: 2007/0051428 (2007-03-01), Sullivan
patent: 1376552 (2002-10-01), None
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patent: 9-277111 (1997-10-01), None
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patent: 2002283140 (2002-10-01), None
patent: 2002-281340 (2003-10-01), None

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