Abstract: To collect state data more reliably. A data collection device which is connected communicably with a plurality of data transfer devices includes: a data collection unit that collects, from each of the plurality of data transfer devices, state data, which is data related to a state of an industrial machine grouped with the data transfer device; and a communication control unit that controls transmission of the state data from the plurality of data transfer devices to the data collection unit, according to an instruction to the plurality of data transfer devices based on a first standard, in which the communication control unit, in a case of receiving, from any of the plurality of data transfer devices, a first signal which is based on a usage condition of a temporary storage unit of the data transfer device, performs the control by a second standard which differs from the first standard.

Abstract: An automatic parameter adjustment device capable of quantitatively determine the degree of importance of a processing time and a processing accuracy, and effectively adjusting a parameter in accordance with a processing condition. The adjustment device includes: a parameter changing part which changes a control parameter; a test program executing part which transmits a test program to a numerical controller for executing the test program; an execution result obtaining part which obtains an execution result of the test program; a storing part which stores the execution result and the parameter corresponding thereto; a weighting part which determines weighting coefficients of the processing time and processing accuracy as evaluation criteria based on input or setting by an operator; and a parameter extracting part which evaluates the execution result based on the weighted evaluation criteria, and extracts an optimum parameter from the storing part based on the evaluated execution result.

Abstract: A tool track display device includes a position information acquisition unit which acquires position information of at least one drive axle from a numerical control device and a position sensor provided on the at least one drive axle, a tool coordinate calculation unit which calculates coordinate values of the tool based on the position information of the at least one drive axle and information regarding the mechanical structure of a machine tool, a display attribute modification unit which modifies the display attribute of the tool track in accordance with the motion direction of the tool, and a display unit which displays the tool track based on the coordinate values of the tool calculated by the tool coordinate calculation unit and the display attribute modified by the display attribute modification unit.

Abstract: A display device includes a position information acquisition part, a rotation information acquisition part, a first waveform generation part, a second waveform generation part, and a waveform display part, which displays plural second waveform data. The position information acquisition part acquires position information of a feed axis. The rotation information acquisition part acquires the rotation speed of a workpiece as rotation information of a spindle. The first waveform generation part generates first waveform data representing a change of the position information over time from time series position information of the feed axis. The second waveform generation part generates plural second waveform data by obtaining a time per rotation from the rotation speed, dividing the first waveform data into partial waveform data for time per rotation, and sequentially shifting each partial waveform data in the time axis direction so as to match a start point of the first waveform data.

Abstract: To alleviate the work load of managing a plurality of machines more appropriately. A data collection management system (1) includes a data collection management device (10) that manages acquisition of measurement data of a plurality of machine tools (20). The data collection management device (10) includes: a setting storage unit (16) that stores connection settings of the plurality of machine tools (20) and setting of the type of measurement data measured in each of the machine tools (20); a setting unit (11b) that sets the connection settings and the type of the measurement data to a measurement tool corresponding to each of the machine tools (20); and an execution management unit (11c) that executes measurement of each of the machine tools (20) using the measurement tool according to the settings performed by the setting unit (11b).

Abstract: To reliably collect measured data without requiring a large-capacity storage device. A data collection device which is connected with a plurality of machine tools via a network includes: a priority calculation means for calculating a degree of relative priority for each of the plurality of machines tools, based on information related to a state of each of the machine tools; and a measured data collection means for deciding, in a case of receiving a collection request of measured data for the machine tool, which machine tool among the machine tools corresponding to the collection request to set as a collection target of the measured data based on the degree of relative priority, and for collecting the measured data from the machine tool decided as the collection target via the network.

Abstract: To provide a monitoring device, a machine tool, and a monitoring system capable of collecting data efficiently required for examining an alarm. A monitoring device is connected to multiple machine tools through a network. The monitoring device comprises: a monitoring unit that monitors the occurrence of an alarm in the machine tools; an acquisition unit that acquires a set of measurement target data items responsive to an alarm from a database on the occurrence of the alarm; and a collection unit that sets the set of measurement target data items in the multiple machine tools, and collects data measured by following the setting.

Abstract: A numerical control device, in a motor drive system which drives a motor part which has a cooling fan motor and is provided with the numerical control device to drive the motor part, which acquires the temperature of the component elements of the motor part from the temperature detectors, ambient temperature, input energy to the component elements, and output energy from the component elements, estimates the heat radiation characteristic of the component elements from the data of the temperature of the component elements, ambient temperature, and input/output energy, compares the estimated value of the heat radiation characteristic of the component elements with a normal value, judges that the cooling fan motor is abnormal when the heat radiation characteristic is below the normal value, and thereby prevents trouble due to overheating of the component elements of the motor part.

Abstract: A numerical control device comprises a command position calculation section that calculates command position information based on a machining program; a command path calculation section that calculates command path information based on the command position information; an estimated actual position calculation section that calculates estimated actual position information based on the command position information and transmission characteristic information; an estimated actual path calculation section that calculates estimated actual path information based on the estimated actual position information; a path error calculation section that calculates path error based on the command path information and the estimated actual path information; a machining time calculation section that calculates a machining time based on the estimated actual path information; a jerk calculation section that calculates jerk based on the estimated actual position information; and an evaluation position calculation section that calcul

Abstract: A trajectory display device comprises a position information acquisition part acquiring position information of a drive axis of a machine tool, a tool coordinate calculation part calculating the coordinate value of a tool tip point based on the position information, and a tool vector calculation part setting a tool vector along the tool axis with the tool tip point as the starting point. The trajectory display device comprises an intersection calculation part calculating the coordinate values of the intersection points of the tool vector with preset flat planes and a display part displaying the tool axis trajectories represented by a line connecting the intersection points.

Abstract: A numerical control device wherein a sinusoidal signal generated by a sine wave generation part is input by a control loop excitation part to a control loop of the control object, the input signal input to the control loop and the output signal from the control object are sampled by the data acquisition part periodically, and the sampling data is used by the frequency characteristic calculation part to calculate the frequency characteristic of the control loop to control the control object, wherein the frequency characteristic calculation part uses data obtained by inputting a sinusoidal signal obtained by shifting an initial phase of the sinusoidal signal by a phase shift part provided at a sine wave generation part by exactly a certain amount to the control loop a plurality of times to calculate the frequency characteristic of the control loop to thereby improve the measurement precision regardless of the sampling frequency.

Abstract: A numerical control device comprising an acceleration/deceleration characteristic acquisition part which acquires predetermined acceleration/deceleration characteristic information showing a correspondence between a command speed and a maximum acceleration of a spindle, a rotation amount acquisition part which acquires predetermined rotation amount information showing the rotation amount of the spindle for a period from when feed operation of the spindle is started to when a tapping tool reaches a bottom of the hole of a workpiece, a machining time calculation part which calculates a correspondence between the command speed and a machining time required to reach the rotation amount, based on the acceleration/deceleration characteristic information and the rotation amount information, and a speed determination part which determines an optimum value of the command speed for minimizing the machining time, based on the correspondence calculated by the machining time calculation part.

Abstract: A waveform display device is provided that extracts data of a required portion from data outputted from a numerical control. A waveform display device includes: a data acquisition part that acquires a predetermined type of data from output data outputted from a numerical control; a condition determination part that determines a start condition and end condition for extracting partial data from the predetermined type of data based on information from the numerical control; a data extraction part that extracts the partial data corresponding to the start condition and end condition from the predetermined type of data; and a waveform display part that displays the partial data extracted as a waveform.

Abstract: A time series data display device calculates position data in time-series of a movement point on drive axes based on the position feedback data, generates a command movement trajectory of the machine end based on the position command data, generates an actual movement trajectory of the machine end based on the actual position data, calculates position data of the machine end which are intersection points between straight lines, which are perpendicular to the command movement trajectory and pass through the movement point, and the actual movement trajectory, converts the position data of the machine end to position data with respect to drive axes, and displays the position feedback data in time-series and the position data in time-series.

Abstract: A numerical controller having a display function for comparing data at a predetermined position regardless of a change in a processing condition. The numerical controller comprises a numerical controlling part which controls each drive axis based on a predetermined position command; a position data obtaining part which obtains position data of each axis and a tool representative point of the machine tool; a movement distance calculating part which calculates movement distance of the axis and the tool representative point based on the obtained position data and dimensional information of each component of the machine tool; a physical data obtaining part which obtains physical data of each axis and the tool; a data converting part which converts the obtained time axis-based physical data into movement distance-based data; a distance-based data storing part which stores the movement distance-based data; and a displaying part which displays the movement distance-based data.

Abstract: A vibration analysis device calculates a vibration cycle which occurs during a period in which a workpiece is processed by a machine tool, and includes a tangential velocity calculation unit which calculates a velocity in a tangential direction of a movement path of a processing point by using positional information of a drive axis. The vibration analysis device comprises a movement distance calculation unit which calculates a first movement distance of the processing point on the movement path by using the velocity in the tangential direction. The vibration analysis device comprises a vibration cycle calculation unit which calculates a vibration cycle corresponding to streaks on the basis of previously measured streak intervals on the workpiece and the first movement distance of the processing point.

Abstract: A trajectory display device, by which an operator can visually and easily compare actual trajectories of a motor end and a machine end, and can easily determine a reason for deviation between the trajectories. The device has a motor-side position obtaining part which obtains positional information of a motor at predetermined sampling periods of time; a motor end actual coordinate calculating part which calculates an actual coordinate value of the motor end based on mechanical information and the positional information of the motor; a machine end data obtaining part which obtains point sequence data on an actual trajectory of the machine end; and a displaying part which displays and overlaps the actual coordinate of the motor end and the point sequence data of the machine end, as actual trajectories of the motor end and the machine end, so that central coordinates of the trajectories coincide with each other.

Abstract: A processing information acquisition system in a processing machine which feeds a processing point energy or material, the processing information acquisition system provided with a position information acquisition unit which acquires position information of a feed unit of energy or material, a feed rate control unit which receives a feed condition command of energy or material, converts the feed condition command to a control command which controls a feed of energy or material, and uses the converted control command to control a feed rate of energy or material from the feed unit, a feed rate estimation unit which acquires the control command from the feed rate control unit and calculates an estimated feed rate of energy or material which is fed to a processing point based on the control command, and an output unit which outputs the position information which the position information acquisition unit acquired and the estimated feed rate which the feed rate estimation unit calculated when the feed unit is locat

Abstract: A waveform display device includes a position information acquisition unit for acquiring position information of a drive shaft of a machine tool in a time series manner, a time designation unit for designating a time section that is a display target in a time series of the position information, a tangent direction speed calculation unit for calculating a tangent direction speed of a tool tip end point of the machine tool based on the position information and configuration information of the machine tool, a distance calculation unit for converting the time section into a distance between two points on a machined surface of the machine tool based on the tangent direction speed, and a display unit for displaying the distance between the two points.

Abstract: A processing information acquisition system in a processing machine which feeds a processing point energy or material, the processing information acquisition system provided with a position information acquisition unit which acquires position information of a feed unit of energy or material, a feed rate control unit which receives a feed condition command of energy or material, converts the feed condition command to a control command which controls a feed of energy or material, and uses the converted control command to control a feed rate of energy or material from the feed unit, a feed rate estimation unit which acquires the control command from the feed rate control unit and calculates an estimated feed rate of energy or material which is fed to a processing point based on the control command, and an output unit which outputs the position information which the position information acquisition unit acquired and the estimated feed rate which the feed rate estimation unit calculated when the feed unit is locat