Abstract: A numerical controller calculates a first position command from a machining program, converts the first position command into a second position command for restricting a tangential speed of a tool, and delivers the second position command and a status signal indicative of the achievement of the conversion of the first position command into the second position command to a tool path display apparatus. The tool path display apparatus displays the path of the tool in a color corresponding to the status signal and can thereby determine the point on the tool path at which the speed restriction is performed.

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 tool path display apparatus (20) includes a tool coordinate value calculation unit (22) that calculates tool commanded coordinate values and tool actual coordinate values, based on commanded value time series data of position commands for a plurality of axes, detected value time series data of position detected values for the plurality of axes, and the structure of a machine tool, an acceleration calculation unit (23) that calculates accelerations of a tip point of a tool using the tool commanded coordinate values and the tool actual coordinate values, and a display format selection unit (24) that selects display formats of the accelerations of the tool commanded coordinate values and the tool actual coordinate values.

Abstract: A numerical controller, wherein an operator, even remotely, can recognize a sound of a machine tool or the like, and can intuitively know the effect in adjusting the parameter. The numerical controller includes a drive axis controlling part configured to control a drive axis; a drive axis data storing part configured to obtain a physical quantity of the drive axis as time-series data and store the time-series data; a displaying part configured to convert the time-series data into a predetermined indication form and display the data as at least one displayed waveform; a selecting part configured to select the displayed waveform by input operation of the operator; a sound converting part configured to convert the selected waveform into sound conversion data, a type of which is capable of being output as sound; and a sound outputting part configured to output the generated sound conversion data as sound.

Abstract: A motor driving device comprises: a single DC conversion unit that converts input AC into DC; a plurality of AC conversion units that convert DC output from the DC conversion unit into AC supplied to a plurality of motor units as driving electric power; an electric power consumption calculation unit of the DC conversion unit that calculates electric power consumption of the DC conversion unit from the input voltage and input current to the DC conversion unit every predetermined time period; and a maximum output calculation unit of the DC conversion unit that extracts a maximum value from the electric power consumption of the DC conversion unit calculated every predetermined time period and outputs it as a maximum output of the DC conversion unit.

Abstract: A tool path display apparatus, configured to display a three-dimensional path of a movable part of a machine tool, calculates three-dimensional coordinate values of the movable part as viewed from a coordinate system secured to a workpiece, thereby determining the three-dimensional path of the movable part. Left- and right-eye stereoscopic image data are determined based on the determined three-dimensional path of the movable part, and the determined left- and right-eye stereoscopic image data are displayed on the display apparatus so that they can be viewed by an operator's left and right eyes, respectively.

Abstract: A controller of an industrial machine provided with an electric motor, a peripheral apparatus and an amplifier includes a motor power-consumption calculation section, a power loss calculation section, a fixed power-consumption calculation section, and a total power-consumption calculation section. The motor power-consumption calculation section calculates motor power consumption by decomposing a motor current into a Q-phase current value and a D-phase current value, and multiplying the Q-phase current value with a motor rotation speed and a motor torque constant. The power loss calculation section calculates sum power loss of the motor and amplifier. The fixed power-consumption calculation section calculates fixed power consumption of the peripheral apparatus.

Abstract: A motor driving control apparatus includes a motor driving unit which drives a motor and a driving control unit which supplies to the motor driving unit a command value for the motor driving unit to drive the motor. A power characteristic acquiring unit acquires a power characteristic of an AC power supply that supplies power to the motor. A control parameter determining unit determines based on a voltage characteristic of the AC power supply whether, during driving of the motor, the voltage of the AC power supply drops to a level that adversely affects the driving of the motor, and if positive, the control parameter determining unit sets a control parameter so that the voltage of the AC power supply does not drop below that level and supplies the control parameter to the driving control unit in order for the driving control unit to determine the command value.

Abstract: A numerical controller calculates the distance (rotation radius) between the rotation center axis of a rotary axis and a control target point using the machine conditions (including the axis structure and tool length) of a machine tool having a rotary axis and the coordinate values of the respective axes of the machine tool. Then, the preset positioning completion widths of the respective axes are compensated by the calculated rotation radius and a positioning completion check of the rotary axis is carried out using the compensated positioning completion widths.

Abstract: Time information t and positional information about each axis are obtained, and the three-dimensional coordinates of tool center point Pe at time t are calculated to display the path of the tool center point Pe at time t. Then, whether a fixed time has elapsed or not is decided. If the fixed time has elapsed, the coordinates of the tool vector start point Ps at time t are calculated to display a line segment connecting between tool vector start point Ps and tool center point Pe, which is the end point of the tool vector. This display enables the orientation of the tool at each tool center point to be grasped at a glance.

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 numerical controller calculates a first position command from a machining program, converts the first position command into a second position command for restricting a tangential speed of a tool, and delivers the second position command and a status signal indicative of the achievement of the conversion of the first position command into the second position command to a tool path display apparatus. The tool path display apparatus displays the path of the tool in a color corresponding to the status signal and can thereby determine the point on the tool path at which the speed restriction is performed.

Abstract: A motor control apparatus that can calculate a proper amount of cogging torque compensation even in cases where components due to other factors than cogging torque (for example, components due to gravitational torque, etc.) are superimposed on a torque command being output during constant slow-speed feed operation.

Abstract: A control device for a machine tool including a feed axis driving motor; a first power consumption calculating portion calculating power consumption of the feed axis driving motor; a second power consumption calculating portion calculating power consumption of equipment adapted to be operated by constant power; and a motor control portion determining a target time constant correlated with at least one of acceleration time and deceleration time of the feed axis driving motor, based on a summation of the power consumption calculated by the first power consumption calculating portion and the power consumption calculated by the second power consumption calculating portion, and controlling the feed axis driving motor based on the target time constant.

Abstract: A trajectory display device capable of correctly quantifying an error of a three-dimensional trajectory of a machine tool, and displaying or outputting the error. The trajectory display device has a command line segment defining part adapted to define a command line segment which connects two temporally adjacent points, in relation to each commanded position; an error calculating part adapted to define a normal line extending from the actual position to each command line segment and calculate an error of the actual position relative to a commanded trajectory, the error being determined as a shorter one between a length of a shortest normal line among the defined normal lines and a length of a line segment extending from the actual position to a commanded position which is the nearest from the actual position.

Abstract: First and second screens are set for a tool path display apparatus for displaying a path of the tip of a tool attached to a machine tool. The first screen displays the three-dimensional path of the tip of the tool obtained by synthesizing the position information of the drive axes of a 5-axis machine tool. The second screen displays the waveforms of the position deviations and current instructions of the drive axes in chronological order. When a part (line segment) of the three-dimensional path of the tip of the tool is selected on the first screen, the display attribute of the corresponding time area is changed on the second screen so that the time area can be identified.

Abstract: Coordinate values of a tool center point is calculated by obtaining coordinate values at each time of respective drive axes driven by a numerical controller. A tool radius compensation vector connecting the calculated tool center point at each time and an actual machining point is obtained. Then, coordinate values of the actual machining point are calculated based on the calculated coordinate values of the tool center point and the obtained tool radius compensation vector, and the trajectory of the actual machining point is displayed on a display.

Abstract: A motor control apparatus that can calculate a proper amount of cogging torque compensation even in cases where components due to other factors than cogging torque (for example, components due to gravitational torque, etc.) are superimposed on a torque command being output during constant slow-speed feed operation.

Abstract: A trajectory display device capable of correctly quantifying an error of a three-dimensional trajectory of a machine tool, and displaying or outputting the error. The trajectory display device has a command line segment defining part adapted to define a command line segment which connects two temporally adjacent points, in relation to each commanded position; an error calculating part adapted to define a normal line extending from the actual position to each command line segment and calculate an error of the actual position relative to a commanded trajectory, the error being determined as a shorter one between a length of a shortest normal line among the defined normal lines and a length of a line segment extending from the actual position to a commanded position which is the nearest from the actual position.

Abstract: Time information t and positional information about each axis are obtained, and the three-dimensional coordinates of tool center point Pe at time t are calculated to display the path of the tool center point Pe at time t. Then, whether a fixed time has elapsed or not is decided. If the fixed time has elapsed, the coordinates of the tool vector start point Ps at time t are calculated to display a line segment connecting between tool vector start point Ps and tool center point Pe, which is the end point of the tool vector. This display enables the orientation of the tool at each tool center point to be grasped at a glance.