Title:
STRUCTURE FOR SUPPRESSING COLUMN HEAT DEFORMATION IN MACHINE TOOLS
Document Type and Number:
WIPO Patent Application WO/2011/132314
Kind Code:
A1
Abstract:
Disclosed is a structure for suppressing column heat deformation in machine tools and which can suppress heat deformation of columns without requiring large-scale installation work. To achieve this, the structure is provided with: a saddle (15) for rotatably supporting a main spindle (16) to which a tool (T) is removably attached; a column (13) with a sliding surface (13a) which slidably supports the saddle (15); telescopic covers (17, 18) which expand and contract in accordance with the sliding of the saddle (15) and which are provided on the sliding surface (13a) of the column (13); and a blower (30) which supplies external air to inside the telescopic covers (17, 18).
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Inventors:
HASEGAWA Tomoharu (MITSUBISHI HEAVY INDUSTRIES LTD., 130, Roku-jizo, Ritto-sh, Shiga 80, 〒5203080, JP)
Application Number:
JP2010/057261
Publication Date:
October 27, 2011
Filing Date:
April 23, 2010
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES, LTD. (16-5, Konan 2-chome Minato-k, Tokyo 15, 〒1088215, JP)
三菱重工業株式会社 (〒15 東京都港区港南二丁目１６番５号 Tokyo, 〒1088215, JP)
三菱重工業株式会社 (〒15 東京都港区港南二丁目１６番５号 Tokyo, 〒1088215, JP)
International Classes:
B23Q1/72; B23Q11/12
Attorney, Agent or Firm:
MITSUISHI Toshiro et al. (Mitsuishi Law and Patent Office, 9-15 Akasaka 1-chome, Minato-k, Tokyo 52, 〒1070052, JP)
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Claims: