Mori Seiki Co., Ltd.

Intelligent Manufacturing Systems International

Xiaodong Tian

Makoto Fujishima

Bingyan Zhao

Zhe Jin

Masahiko Mori

Tetsuo Ogawa

Vijay Srivatsan

Bin Huang

A machining status monitoring apparatus is provided on a machine tool, and has a plurality of actual CCD cameras for imaging the tool and workpiece from different view points and generating actual two-dimensional image data thereof, a virtual image generating section having a plurality of virtual CCD cameras corresponding to the actual CCD cameras, in which the tool and workpiece of three-dimensional model are imaged by the virtual CCD cameras from each point and virtual two-dimensional image data thereof are generated, and a display control section for selecting one virtual CCD camera corresponding to the virtual two-dimensional image data in which the distal end of the tool is not hidden by the workpiece among the generated two-dimensional image data, and displaying the actual two-dimensional image data generated by the actual CCD camera corresponding to the selected virtual CCD camera on a display device.

Machining status monitoring method and machining status monitoring apparatus

An apparatusfor generating three-dimensional model data is provided with: two CCD camerasandfor imaging an attached object attached to a machine tool to generate two-dimensional image data; a first model-data storing sectionfor storing model data of the attached object, a second model-data storing sectionfor storing the model data related to at least a part of the machine tool; an edge detecting sectionfor detecting edges; a shape-feature recognizing sectionfor recognizing a shape feature; an object recognizing sectionfor recognizing the model data of the attached object imparted with the recognized shape feature; and a model-data generating sectionfor generating three-dimensional model data including the attached object and a part of the machine tool.

Three-dimensional model data generating method, and three dimensional model data generating apparatus

The calibration deviceis set up in a machine tooland provides: a image capture subject materialhaving a calibration patternthat includes one feature point and being attached to the spindle, two-dimensional coordinate calculation partsthat calculate the two-dimensional coordinates of feature points based on the two-dimensional image data that is created from the images of the calibration patternthat were captured at multiple movement positions of the spindleby the CCD camera; a three-dimensional coordinate calculation partthat calculates the three-dimensional coordinates of the feature points that correspond to each movement position of the spindle; and a parameter calculation partthat calculates the intrinsic parameters and extrinsic parameters of the CCD camerabased on the two-dimensional coordinates and three-dimensional coordinates at each movement position of the spindle

Calibration method and calibration device

The present invention relates to an apparatus for confirming three-dimensional model data or the like, capable of confirming easily, efficiently, and precisely whether three-dimensional model data including an attached object attached to a machine tool and at least a part of the machine tool good are accurate. An apparatusfor confirming three-dimensional model data is provided with: CCD camerasandfor imaging an actual attached object attached to a machine toolto generate actual image data of the attached object; a model-data storing sectionfor storing in advance model data which include the attached object attached to the machine tooland at least a part of the machine tooland which are previously created; a virtual image data generating sectionfor generating, by a computer process, two-dimensional image data, which are virtual image data of the attached object, based on the model data stored in the model-data storing section; and an image-data comparing sectionfor comparing, by a computer process, the actual image data of the attached object and the virtual image data thereof to determine whether these image data match.

Three-dimensional model data confirming method, and three-dimensional model data confirming apparatus

The present invention provides a machining state checking apparatus and method for checking whether a workpiece mounted on a machine tool and a workpiece fixture are shifted. A machining state checking apparatus has an actual CCD camera for imaging a workpiece fixed on a machine tool and a workpiece fixture and generating actual two-dimensional image data thereof, a virtual image generating section for generating virtual two-dimensional image data of the workpiece and workpiece fixture based on data on three-dimensional models of the workpiece and workpiece fixture, a comparing section for comparing the actual two-dimensional image data and virtual two-dimensional image data generated by the actual CCD camera and the virtual image generating section, respectively, and determining whether they match each other by comparing the portions corresponding to the workpiece and workpiece fixture in the actual two-dimensional image and the virtual two-dimensional images of the workpiece and workpiece fixture.

Machining state checking method and machining state checking apparatus

A machining status monitoring apparatus is provided on a machine tool, and has an actual CCD camera for imaging the tool and the workpiece and generating actual two-dimensional image data thereof, a virtual image generating section having a virtual CCD camera corresponding to the actual CCD camera, in which the tool and workpiece of three-dimensional model are imaged by the virtual CCD camera and virtual two-dimensional image data thereof are generated, and a display control section for receiving from a control device of the machine tool, information relating to the coolant supply state and checking whether coolant is being supplied to the contact portion of the tool and the workpiece, and displaying on a display device actual two-dimensional image data when coolant is not being supplied and displaying on the display device virtual two-dimensional image data when coolant is being supplied.

A machining simulation apparatus is arranged in a machine tool having a tool holding mechanism, a workpiece holding mechanism, a drive mechanism and a numerical controller, and provided with: an actual CCD camera for imaging a tool held by the tool holding mechanism and the workpiece holding mechanism not holding a workpiece to generate actual image data; a model data update processing section for generating model data relating to when moving the holding mechanisms based on the operation command received from the numerical controller and the model data of the holding mechanisms, tool and workpiece; a virtual image generation processing section for generating virtual image data of the tool and workpiece based on the generated model data; and a rendering processing section for generating composite image data by superimposing the virtual image on the actual image, and displaying the composite image data on a screen display device.

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Davis, CA, United States of America

Xiaodong Tian