Title:
DEVICE FOR DETECTING TOOL BREAKAGE IN MACHINE TOOL
Document Type and Number:
WIPO Patent Application WO/2015/104945
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a device for detecting tool breakage in a machine tool wherein the device makes it possible to efficiently detect tool breakage while also limiting increases in maintenance. A device for detecting tool breakage in a machine tool, which is equipped with a main shaft (14), a tool magazine (16) capable of holding multiple tools (15), and an automatic tool-exchanging device (17) for automatically exchanging tools (15) between the main shaft (14) and the tool magazine (16), is provided with an image recognition unit comprising: an imaging means (19a) for imaging a pre-processing tool (15) that is conveyed from the tool magazine (16) to the main shaft (14) by the automatic tool-exchanging device (17) and the post-processing tool (15) conveyed from the main shaft (14) to the tool magazine (16) by the automatic tool-exchanging device (17); and an image-processing means (19b) for detecting tool breakage by comparing the images of the pre-processing tool (15) and the post-processing tool (15) taken by the imaging means (19a).
Inventors:
TANIZAWA YUSUKE (JP)
YAMAMOTO HIDEAKI (JP)
OISHI HIROSHI (JP)
YAMAMOTO HIDEAKI (JP)
OISHI HIROSHI (JP)
Application Number:
PCT/JP2014/082778
Publication Date:
July 16, 2015
Filing Date:
December 11, 2014
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
B23Q17/09; B23Q17/24; B23Q3/155
Foreign References:
JP2006334735A | 2006-12-14 | |||
JPS60114448A | 1985-06-20 | |||
US20050222705A1 | 2005-10-06 | |||
JP2002018680A | 2002-01-22 | |||
EP1674200A1 | 2006-06-28 | |||
JP2006051561A | 2006-02-23 | |||
JP2000343310A | 2000-12-12 |
Attorney, Agent or Firm:
MITSUISHI, Toshiro et al. (JP)
Toshiro Mitsuishi (JP)
Toshiro Mitsuishi (JP)
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