Title:
ROTATING DEVICE
Document Type and Number:
Japanese Patent JP2008264978
Kind Code:
A
Abstract:
To provide a rotating device which restrains increase of deflection of a rotating tool in correspondence with increase of the number of rotation of a rotation axis, and is free from roughening a finishing surface of a workpiece and deteriorating working precision.
This rotating device with a working blade 5 formed on its head end part is provided with: a disc type bracing part 2 with the same shaft center as its rotation axis 1 in the circumference of the rotation axis 1 to rotate the working blade 5, and a diameter of the bracing part 2 is made three times of a diameter of the rotation axis 1. Thickness of the bracing part 2 is made less than 1.5 times of the diameter of the rotation axis 1.
Inventors:
AKAZAWA KOICHI
Application Number:
JP2007114510A
Publication Date:
November 06, 2008
Filing Date:
April 24, 2007
Export Citation:
Assignee:
KOBE STEEL LTD
International Classes:
B23Q11/00; B23C9/00
Domestic Patent References:
| JPS5162497A | 1976-05-31 | |||
| JP2001246530A | 2001-09-11 | |||
| JP2000079533A | 2000-03-21 |
Attorney, Agent or Firm:
Yoshiyuki Kaji
Makoto Suhara
Takenaka Yoshimichi
Makoto Suhara
Takenaka Yoshimichi