Patents by Inventor Nobuhiko Iefuji

Nobuhiko Iefuji has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7623934
    Abstract: A manual pulse generator (1) attached to the control panel of a machine tool made up of: a spindle mechanism for holding a tool; a workpiece mounting mechanism; a feed mechanism for moving the spindle mechanism relative to the workpiece mounting mechanism along three orthogonal X-axis, Y-axis and Z-axis paths, a control device for controlling the feed mechanism, a control panel having control keys and a keyboard for inputting various types of data to the control device, and a display for displaying on a screen control state resulting from the control device. The manual pulse generator (1) is provided with a control section (11) for inputting a pulse signal to the control device, and a light-emitting diode (15) for illumination, which is provided on an upper surface thereof to emit light upwardly, and which lights only when a pulse signal can be input to the control device.
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: November 24, 2009
    Assignee: Mori Seiki Co., Ltd.
    Inventors: Nobuhiko Iefuji, Yasuhide Ota
  • Patent number: 7354386
    Abstract: Machine-tool thermal displacement correcting device having: a tool-temperature estimating unit for recognizing—based on identification data obtained from a controller for designating, out of tools stowed in the tool-changer tool magazine, an exchange-target tool—the directly-after-use temperature of the ID'd tool, and estimating the tool temperature directly before use, based on the recognized directly-after-use tool temperature and on lapsed time, obtained from the controller, since previous use of the ID'd tool, and for estimating, based on the estimated directly-before-use tool temperature and on the spindle temperature, during-use temperature of the tool; a correction determining unit for estimating, based on the estimated during-use tool temperature, axial thermal displacement of the tool, and determining a correction amount for canceling out the displacement; and a correction executing unit for carrying out correction based on the determined correction amount.
    Type: Grant
    Filed: November 6, 2006
    Date of Patent: April 8, 2008
    Assignee: Mori Seiki Co., Ltd.
    Inventor: Nobuhiko Iefuji
  • Publication number: 20070168061
    Abstract: A manual pulse generator (1) attached to the control panel of a machine tool made up of: a spindle mechanism for holding a tool; a workpiece mounting mechanism; a feed mechanism for moving the spindle mechanism relative to the workpiece mounting mechanism along three orthogonal X-axis, Y-axis and Z-axis paths, a control device for controlling the feed mechanism, a control panel having control keys and a keyboard for inputting various types of data to the control device, and a display for displaying on a screen control state resulting from the control device. The manual pulse generator (1) is provided with a control section (11) for inputting a pulse signal to the control device, and a light-emitting diode (15) for illumination, which is provided on an upper surface thereof to emit light upwardly, and which lights only when a pulse signal can be input to the control device.
    Type: Application
    Filed: December 12, 2006
    Publication date: July 19, 2007
    Applicant: MORI SEIKI CO., LTD.
    Inventors: Nobuhiko Iefuji, Yasuhide Ota
  • Publication number: 20070105697
    Abstract: Machine-tool thermal displacement correcting device having: a tool-temperature estimating unit for recognizing—based on identification data obtained from a controller for designating, out of tools stowed in the tool-changer tool magazine, an exchange-target tool—the directly-after-use temperature of the ID'd tool, and estimating the tool temperature directly before use, based on the recognized directly-after-use tool temperature and on lapsed time, obtained from the controller, since previous use of the ID'd tool, and for estimating, based on the estimated directly-before-use tool temperature and on the spindle temperature, during-use temperature of the tool; a correction determining unit for estimating, based on the estimated during-use tool temperature, axial thermal displacement of the tool, and determining a correction amount for canceling out the displacement; and a correction executing unit for carrying out correction based on the determined correction amount.
    Type: Application
    Filed: November 6, 2006
    Publication date: May 10, 2007
    Applicant: MORI SEIKI CO., LTD.
    Inventor: Nobuhiko Iefuji