Yamazaki Mazak Corporation Patent applications |
Patent application number | Title | Published |
20160089760 | TURNING CONTROLLER - A turning controller includes a storage, a working program processing device, a command value setting processing device, an approach angle setting command amount calculator, and a command processing device. The storage is configured to store a working program and tool shape data. The working program processing device is configured to analyze the working program and to calculate and output command amounts. The command value setting processing device is configured to set an approach angle command value for defining an approach angle. The approach angle setting command amount calculator is configured to calculate, as an approach angle setting command amount, a B-axis command amount for controlling to cause the approach angle to have the approach angle command value based on the tool shape data. The command processing device is configured to output the approach angle setting command amount to the B-axis driver. | 03-31-2016 |
20150336229 | MACHINE TOOL - A machine tool includes a main machine, a pallet change unit, a main body cover, a machine entry door, an internal machine cover, and an internal entrance area. The main machine is configured to machine a workpiece. The pallet change unit is adjacent to the main machine. The main body cover is provided on the pallet change unit. The machine entry door is provided in the main body cover. The internal machine cover is connected to the machine entry door. The internal entrance area is defined by the machine entry door and the internal machine cover. The machine entry door and the internal machine cover are constructed to sweep the internal entrance area. | 11-26-2015 |
20150266148 | VERTICAL MACHINING CENTER - A vertical machining center includes a table, a tool spindle, an angle tool holder, a tool unclamping operation device, and a tool changer. The angle tool holder includes a shank, a spindle, a housing, a collet, a draw bar, and a spring mechanism. The shank has a shank axis and is rotatable around the shank axis. The spindle has a spindle axis perpendicular to the shank axis and is rotatable around the spindle axis. The tool unclamping operation device includes an angle tool holder rest, a hydraulic piston, and a restrictor. The angle tool holder is to be placed on the angle tool holder rest. The restrictor is disposed on the angle tool holder rest to restrict a portion of the angle tool holder and to receive force in a direction of the spindle axis which is generated in a case where the hydraulic piston presses the draw bar. | 09-24-2015 |
20150224580 | MACHINE TOOL - A machine tool includes a table, a spindle head, a spindle, and an internal turning attachment. The internal turning attachment includes an attachment base, a body, and a tool holder. The tool holder has a tool mount surface to which a turning tool is detachably mounted. The tool mount surface provides a changeable tool mount angle with respect to a plane perpendicular to a spindle rotational axis in a state where the internal turning attachment is mounted to the spindle head. An angle between the spindle rotational axis and a vertical axis is to be larger than zero degree according to the changeable tool mount angle and is fixed while the turning tool contacts a workpiece in a case where the workpiece has a hole with a depth exceeding a length from a body upper portion to a tip end of the turning tool along the spindle rotational axis. | 08-13-2015 |
20150205287 | MACHINE TOOL - A machine tool includes a tool attachment device, a workpiece attachment device, a controller, a mode selector, an axis selector, a cover, a window, and a manual operation auxiliary display device. The controller is configured to control movements of at least one of the tool attachment device and the workpiece attachment device with respect to a target axis. The mode selector is configured to select a manual operation mode or an automatic operation mode. The axis selector is to select the target axis among a plurality of axes in a case where the mode selector selects the manual operation mode. The manual operation auxiliary display device is configured to display directions of the plurality of axes included in the machine tool as an axis configuration model in the window in a case where the manual operation mode is selected. | 07-23-2015 |
20140178144 | MACHINING CENTER - The present invention provides a machining center that efficiently machines a long workpiece using two pallets. | 06-26-2014 |
20140012420 | NC MACHINE TOOL SYSTEM - An NC machine tool system includes an NC machine tool ( | 01-09-2014 |
20130255454 | TURNING SPINDLE UNIT OF MULTI-TASKING MACHINE - The present invention achieves improvement of an adjustment structure of a turning spindle in the vertical direction and the horizontal direction. | 10-03-2013 |
20130087028 | METHOD FOR CONTROLLING COMBINED LATHE APPARATUS, COMBINED LATHE APPARATUS, TURNING TOOL HOLDER, BLADE POSITION REGISTERING APPARATUS, AND BLADE POSITION DETECTING APPARATUS - A carriage is moved in a direction including a Y axis component in order to move a turning process tool that is attached to a tool spindle along a horizontal line that is perpendicular to a Z axis, and thus, a turning process is carried out on a workpiece which is attached to a workpiece spindle. | 04-11-2013 |
20130087026 | METHOD FOR CONTROLLING COMBINED LATHE APPARATUS, COMBINED LATHE APPARATUS, TURNING TOOL HOLDER, BLADE POSITION REGISTERING APPARATUS, AND BLADE POSITION DETECTING APPARATUS - A carriage is moved in a direction including a Y axis component in order to move a turning process tool that is attached to a tool spindle along a horizontal line that is perpendicular to a Z axis, and thus, a turning process is carried out on a workpiece which is attached to a workpiece spindle. | 04-11-2013 |
20130087025 | METHOD FOR CONTROLLING COMBINED LATHE APPARATUS, COMBINED LATHE APPARATUS, TURNING TOOL HOLDER, BLADE POSITION REGISTERING APPARATUS, AND BLADE POSITION DETECTING APPARATUS - A carriage is moved in a direction including a Y axis component in order to move a turning process tool that is attached to a tool spindle along a horizontal line that is perpendicular to a Z axis, and thus, a turning process is carried out on a workpiece which is attached to a workpiece spindle. | 04-11-2013 |
20130085050 | METHOD FOR CONTROLLING COMBINED LATHE APPARATUS, COMBINED LATHE APPARATUS, TURNING TOOL HOLDER, BLADE POSITION REGISTERING APPARATUS, AND BLADE POSITION DETECTING APPARATUS - A carriage is moved in a direction including a Y axis component in order to move a turning process tool that is attached to a tool spindle along a horizontal line that is perpendicular to a Z axis, and thus, a turning process is carried out on a workpiece which is attached to a workpiece spindle. | 04-04-2013 |
20130003276 | SUPPORT STRUCTURE OF OPERATION PANEL FOR MACHINE TOOL - The present invention provides capability to instantaneously adjust a height of an operation panel to an optimal height in accordance with a height of an operator with extremely easy operation and slight operating force. The operation panel is attached to a housing side wall of a machine tool in a vertically movable manner, supporting a load of the operation panel by the housing through a gas spring with a hydraulic lock. The operation panel is set to be capable of being vertically adjusted in position by disposing a handling unit which releases the hydraulic lock of the gas spring at the vicinity of the lower side of the operation panel. | 01-03-2013 |
20120239182 | NUMERICAL CONTROL MACHINE TOOL - An NC control unit | 09-20-2012 |
20120230792 | CUTTING MACHINING METHOD AND CUTTING MACHINING APPARATUS - The present invention reduces or prevents bank occurrence with higher accuracy of groove shape to be machined as being cut and ensures sufficient groove depth while avoiding interference with a work even when a small-diameter tool is used. | 09-13-2012 |
20120103150 | COMPOSITE WORKING LATHE - A turning tool is arranged at a tool spindle of a composite working lathe to improve working efficiency. | 05-03-2012 |
20120011972 | TAILSTOCK DEVICE - A control panel | 01-19-2012 |
20120003055 | ANTI-VIBRATION TOOL HOLDER - A tool holder is provided that prevents chattering in a large-sized cutting tool. A tool holder | 01-05-2012 |
20110182686 | ATTACHMENT UNIT FOR FIVE-FACE MACHINING - The present invention provides an attachment to be attached to a spindle head of a vertical machining center for gripping an angle tool holder and performing five-face machining. An attachment unit | 07-28-2011 |
20090214313 | MACHINING UNIT AND MACHINE TOOL - A machining unit that is supported on a machine tool and machines a workpiece by a revolving tool with a main spindle section being driven and rotated includes an eccentric rotational section, a tool holder, a tool revolution-radius changing mechanism, and a cutting-edge-orientation correcting mechanism. The eccentric rotational section is disposed on the main spindle section, and is rotatable about an eccentric axis that is located eccentrically at any distance in a radial direction of the main spindle section from a rotation center of the main spindle section. The tool holder is disposed on the eccentric rotational section, and supports the tool. The tool revolution-radius changing mechanism moves the tool in the radial direction, and changes the radius of the revolution of the tool by rotating the eccentric rotational section about the eccentric axis. The cutting-edge-orientation correcting mechanism corrects the orientation of a cutting edge of the tool by making the tool holder spin about an axis of the tool holder, the axis being parallel to the rotation center of the main spindle section. | 08-27-2009 |
20080282854 | METHOD FOR CONTROLLING COMBINED LATHE APPARATUS, COMBINED LATHE APPARATUS, TURNING TOOL HOLDER, BLADE POSITION REGISTERING APPARATUS, AND BLADE POSITION DETECTING APPARATUS - A carriage is moved in a direction including a Y axis component in order to move a turning process tool that is attached to a tool spindle along a horizontal line that is perpendicular to a Z axis, and thus, a turning process is carried out on a workpiece which is attached to a workpiece spindle. | 11-20-2008 |