Title:
RADIUS END MILL
Document Type and Number:
WIPO Patent Application WO/2006/103799
Kind Code:
A1
Abstract:
A radius end mill enabling an increase in durability by reducing cutting resistance, a reduction in the wall thickness of chips and a reduction in weight, and preventing it from being damaged or poorly worked due to the interference of the chips by discharging the chips smoothly. The radius end mill comprises a spiral-shaped outer peripheral blade (2) generally formed in a roughly cylindrical shape and formed on its outer peripheral part (1), a bottom blade (4) formed at its end face part (3), and an R blade (5) formed at a corner part where the outer peripheral blade (2) intersect the bottom blade (4). The ridge line (6) of the bottom blade (4) is formed of a projected arc-shaped circle of curvature in plan view starting at the center O of the end face part (3) to the free end X of the R blade (5) intersecting the ridge line (7).
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| WO/2015/197452 | MILLING CUTTER WITH CORE HAVING TWO TAPERED PORTIONS |
Inventors:
AOKI WATARU (JP)
Application Number:
PCT/JP2005/020301
Publication Date:
October 05, 2006
Filing Date:
November 04, 2005
Export Citation:
Assignee:
OSG CORP (JP)
BTT CORP (JP)
AOKI WATARU (JP)
BTT CORP (JP)
AOKI WATARU (JP)
International Classes:
B23C5/10
Foreign References:
| JP2004188516A | 2004-07-08 | |||
| JP2004141975A | 2004-05-20 | |||
| JPH02106209A | 1990-04-18 | |||
| JPS5542760A | 1980-03-26 |
Other References:
See also references of EP 1759795A4
Attorney, Agent or Firm:
Kaneko, Naohisa (Toyohashi Bldg. 7th Floor 9, Ote-cho Toyohashi-City Aichi 05, JP)
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