Abstract: A machine tool includes a machine body; a control panel; a peripheral device; a peripheral device frame that is adjacent to one side surface of the machine body and for which the top view of the area for installing the peripheral device is roughly rectangular, wherein the two corners of one end of the rectangle are supported, and the corner of the other end of the rectangle that is closer to the machine body is supported from below but the corner of the other end of the rectangle that is farther from the machine body is not supported from below; and a coolant filtration and supply device with a coolant tank disposed below the peripheral device frame so as to accept coolant discharged from the machine body, the coolant filtration and supply device being installed so as to be able to move toward and away from the machine body.

Abstract: A numerically controlled machine tool in which a numerical control program acquired from a reading and interpreting unit of a numerical control device is executed by a distribution interpolating unit and servo control units, to drive a feed shaft configured from a coarse movement mechanism and a fine movement mechanism, causing a tool to move relative to a workpiece, and thereby machining the workpiece, wherein the difference between a movement command for the feed shaft, and an output value which varies on the basis of said movement command is obtained, a movement command for the coarse movement mechanism is generated on the basis of said movement command, and a movement command for the fine movement mechanism is generated on the basis of said difference.

Abstract: This control device for a machine tool is provided with: a display unit that displays information relating to a machine tool; a display control unit that controls the display of the display unit; and a storage unit. A display setting of the display unit that corresponds to an operation of an operator or the condition of the machine tool is stored in advance in the storage unit. The display control unit acquires an operation of the operator or the condition of the machine tool, reads the display setting corresponding to the operation of the operator or the condition of the machine tool from the storage unit, and changes the display of the display unit on the basis of the display setting.

Abstract: An upright machining center is characterized in being provided with: x-axis guides for moving and guiding a table in the left-right direction on a bed; a column provided on the bed and provided with an opening that straddles the x-axis guides in the front-back direction so that a moving body, on which the table is provided, can enter therein in the left-right direction; a saddle, which is disposed on the upper part of the column so as to be movable in the front-back direction and for which a first y-axis guide that extends in the front-back direction on the right side of the left-right direction and a left second y-axis guide that is located lower and parallel thereto are provided; and a main shaft head, which is disposed on the left side surface of the saddle and moves in the vertical direction.

Abstract: A small-hole electric discharge machine (100) applying voltage between a small-hole machining-use electrode (116) attached to a spindle (112) and a workpiece (130) attached to a table (118) to drill a small hole in a workpiece by electric discharge energy, the small-hole electric discharge machine including an electrode guide (10) having a hollow part through which the electrode is passed and guiding the electrode at the front end of the hollow part in a parallel state with respect to an axis (Rz) of the spindle while shifted by a predetermined distance (S) from the axis and a W-axis chuck (144) holding an electrode guide to be able to measure and maintain a position of a front end of the electrode guide in direction of the axis of the spindle and an angular position about the axis.

Abstract: This tool exchange device for a machine tool uses an exchange arm to exchange tools between a processing area and a tool accommodation area which are partitioned by a partition wall provided with an opening and a shutter capable of opening and closing the opening. In the tool exchange device, an imaging device is used to capture an image of a tool in the tool accommodation area, the length of the tool is calculated from the captured image of the tool, the opening width of the shutter is determined in accordance with the length of the tool, and the shutter is opened to the determined opening width.

Abstract: An electronic manual for a machine tool includes a display part for displaying handling instruction display point icons and internal display point icons on an image of the machine tool in an overlapping manner, and a control part for displaying, when the handling instruction display point icon is selected, handling instructions or a list of handling instructions corresponding to the handling instruction display point icon, and displaying, when the internal display point icon is selected, an image of the interior of the machine tool corresponding to the internal display point icon overlapping the handling instruction display point.

Abstract: Disclosed is a workpiece measurement method for determining the position of a workpiece on a machine tool based on feed shaft coordinates when a probe and the workpiece contact each other, in which the probe and the workpiece are moved relative to each other. The method includes the steps of moving one of the plurality of feed shafts to a desired measurement position, storing coordinate values of the one feed shaft at the desired measurement position, moving the probe and the workpiece relative to each other by means of the one feed shaft and another feed shaft, stopping the movement by the one feed shaft when the stored coordinate values have been reached, and measuring the workpiece at a plurality of measurement points by moving the probe using the other feed shaft in a state in which the one feed shaft is stopped at the coordinate values.

Abstract: A machine tool, which has a tool magazine for storing multiple tools and is for machining a workpiece with a tool held on a main shaft by moving the main shaft relative to the workpiece, wherein the machine tool is provided with: multiple feed shafts for moving the tool relative to the workpiece; a tool magazine drive motor for driving the tool magazine; and a manual pulse generator, which is for sending a positive or negative command pulse to the multiple feed shafts or tool magazine drive motor, the manual pulse generator being provided with a selection switch for selecting one of the multiple feed shafts or the tool magazine drive motor as the destination to which the command pulse is to be sent.

Abstract: This machine tool comprises a machining chamber in which machining of a workpiece is performed, and a tool storage chamber in which a plurality of tools are stored. The machine tool is further provided with a partition which partitions the machining chamber and tool storage chamber from one another. The machine tool is positioned on the front side of the machining chamber, and is equipped with a first sliding door that moves in the width direction, and a second sliding door that is positioned on the front side of the tool storage chamber and that moves in the width direction. The first sliding door and second sliding door are positioned in such a manner that one of the sliding doors is positioned on the front side of the other sliding door, and when one of the sliding doors is opened, said door overlaps with the other sliding door.

Abstract: A tool path-generating device for generating a tool path for moving a tool and a workpiece relative to each other and processing said workpiece is equipped with: an opposite path-extracting section for extracting two tool paths, the movement directions of which are roughly opposite to each other; a reversal position-calculating section for calculating a reversal position at which the tool feed direction is reversed at a position, between the endpoint of one of the two tool paths and the starting point of the other of the two tool paths, that is separated from the workpiece; and a reversal path-generating section for calculating a connecting path that passes through the endpoint of one of the two tool paths, the reversal position, and the starting point of the other of the two tool paths.

Abstract: This tool path generating method, which generates a tool path for machining a corner section at which a recess section machined in a workpiece intersects with the outer circumferential surface of the workpiece, includes: a step for calculating a virtual traveling direction, which is a movement direction of a point on the rotational axis line of a rotating tool when the recess section is machined; a step for calculating the position of the corner section from the virtual traveling direction and shape data of the workpiece; and a step for generating a tool path for machining along the calculated position of the corner section.

Abstract: A method for controlling the motor of a tool magazine that rotates around a horizontal rotation axis is configured so that: at least two indexing positions for the tool magazine are determined; the load torque acting on the tool magazine when stopped at said indexing positions is measured; an unbalance torque, which is the load torque when stopped at the indexing position at which the load torque when stopped is maximal, is calculated from multiple load torques when stopped; and the servo motor for the tool magazine is controlled on the basis of the unbalance torque.

Abstract: Graphics representing a main-spindle-side structure and a table-side structure and graphics representing arrows indicating the movement directions of feed shafts are stored in a storage unit, and when switched to manual operation, a display computation unit computes the orientations of said arrows with respect to the structure that moves, said structure being either the main-spindle-side structure or the table-side structure, and computed graphics representing the structures and the arrows are displayed in a differentiated manner so as to make it evident which structure moves.

Abstract: A tool shape measurement apparatus for imaging a tool is provided with: a camera for imaging the tool disposed at a previously determined imaging position; a shutter disposed on the opposite side of the tool from the camera; an illuminating device for shining light toward the shutter; and a control device for calculating the shape of the tool from an image of the tool. The illuminating device is disposed so that an image in which the tool is darker than the background of the tool is captured due to light reflected at the reflecting surface of the shutter.

Abstract: A machining-information management device that manages machining information for a machine tool that machines a workpiece by moving said workpiece relative to a tool and/or moving said tool relative to the workpiece on the basis of a machining program. Said machining-information management device has the following: an extraction unit that extracts a tool swap command and a coordinate-system selection command from a machining program that machines a predetermined workpiece; an acquisition unit that acquires tool information associated with a tool specified in the aforementioned tool swap command and coordinate information associated with a coordinate system specified in the aforementioned coordinate-system selection command; and a generation unit that generates combined machining information that contains the abovementioned machining program, the aforementioned tool information, and the aforementioned coordinate information.

Abstract: Provided is a feed shaft control method, wherein a speed feedback loop having a speed controller is disposed within a position feedback loop having a position controller, forming a cascade coupling, and an acceleration feedback signal which is outputted from a compensator on the basis of an output signal of an acceleration detector is subtracted from a torque instruction. Furthermore, the method implements control wherein a speed is acquired on the basis of the output signal of the acceleration detector, and a signal obtained by multiplying the acquired speed by a gain is added to a speed instruction which is outputted from the position controller.

Abstract: The present invention is configured such that: when an operator moves a spindle and a table relative to each other using a jog-feed means and when a measurement probe comes into contact with a workpiece fixed on the table, the coordinates of each feed axis are stored; the type of measurement performed by the operator is identified on the basis of the information concerning the feed axis used for moving said measurement probe, the moving direction of the feed axis, the number of times the measurement probe has come into contact with the workpiece, and the number of the jog-feed operation being currently performed by the operator; and the workpiece is measured on the basis of the stored coordinates of the respective feed axes.

Abstract: Provided is a control method for a machining tool that processes a workpiece while causing a tool, which rotates by means of a main shaft motor, and the workpiece, which is secured to a table, to move relative to one another, wherein on the basis of the torque command value, the current command value, or the actual current value of the main shaft motor, calculated is the actual cutting force of the tool that is received from the workpiece at a location which is predetermined during the processing of the workpiece, and the actual cutting force that has been calculated is displayed on a display unit.

Abstract: The feed axis device of a machine tool is equipped with first and second planetary gear speed reducers, each of which is obtained from an inner element, outer element, and intermediate elements that are disposed between the two, the elements being disposed so as to be mutually rotatable and combined in series so that one of the three elements is a fixed section, one of the two remaining elements is the input section and the other is the output section. The element that is the input section of the first speed reducer and the element that is the input section of the second speed reducer are connected to a single drive source. The element that is the output section of the first speed reducer and the element that is the output section of the second speed reducer are connected. The feed axis device is provided with an actuator.