Title:
ANTI-VIBRATION DEVICE FOR ROD MATERIAL
Document Type and Number:
WIPO Patent Application WO/2011/118318
Kind Code:
A1
Abstract:
Disclosed is an anti-vibration device for rod material for suppressing vibration of a rotating main axis. A vibration detection means is provided for detecting vibration of rod material (11) gripped by a main axis (1) rotating at a pre-defined processing rotation speed, and a vibration suppression means for suppressing vibration of the rod material is constituted by a rotation speed control means (17) for controlling the rotation speed of the main axis (1). An operation control means (18) for controlling operation of the vibration suppression means is constituted so that by detection of vibration of the rod material by the vibration detection means, the rotation speed of the main axis (1) is decreased, and by convergence of the vibration of the rod material by the decrease in the rotation speed of the main axis (1), the rotation speed control means (17) is caused to operate so as to increase the rotation speed of the main axis (1) up to the processing rotation speed. The operation control means (18) causes the vibration suppression means to operate on the basis of the detection of the vibration of the rod material by the vibration detection means.
Inventors:
YANAKAWA, Shozen (4107-6, Oaza-Miyota, Miyotamachi, Kitasaku-gu, Nagano 06, 〒3890206, JP)
Application Number:
JP2011/053901
Publication Date:
September 29, 2011
Filing Date:
February 23, 2011
Export Citation:
Assignee:
CITIZEN HOLDINGS CO., LTD. (1-12, Tanashicho 6-chome Nishitokyo-sh, Tokyo 11, 〒1888511, JP)
シチズンホールディングス株式会社 (〒11 東京都西東京市田無町六丁目１番１２号 Tokyo, 〒1888511, JP)
CITIZEN MACHINERY MIYANO CO., LTD. (4107-6, Oaza-Miyota Miyotamachi, Kitasaku-gu, Nagano 06, 〒3890206, JP)
シチズンホールディングス株式会社 (〒11 東京都西東京市田無町六丁目１番１２号 Tokyo, 〒1888511, JP)
CITIZEN MACHINERY MIYANO CO., LTD. (4107-6, Oaza-Miyota Miyotamachi, Kitasaku-gu, Nagano 06, 〒3890206, JP)
International Classes:
G05B19/18; B23B13/08; B23Q11/00; B23Q15/00; B23Q15/12; B23Q17/12; G05B19/416
Attorney, Agent or Firm:
NISHIWAKI, Tamio (Asahi Bldg. 7F, 6-7 Ginza 6-chome, Chuo-k, Tokyo 61, 〒1040061, JP)
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Claims: