Abstract: A tension information acquisition device acquires tension of a wire electrode and is provided with: a back tension adjustment unit that makes the magnitude of back tension of the wire electrode zero; and an acquisition unit that acquires tension information indicating the tension on the basis of a disturbance estimate value or output torque of a feed motor when the magnitude of the back tension is zero.
Abstract: A numerical control apparatus 3 comprises: a pulse generation unit 34 that moves a plurality of machine elements of a machine tool 2 along a plurality of control axes on the basis of a movement pulse for the machine tool 2; an interference checking unit 36 that performs interference checking calculation for a plurality of interference-checking subject sets; and an interference checking assistance device 5 that assists the interference checking calculation. The interference checking assistance device 5 comprises: a first storage unit 51 that stores machine element-control axis linkage information; a second storage unit 52 that stores individual axis subordinate relationship information; and a checking subject set extraction unit 54a that, on the basis of the movement pulse, the machine element-control axis linkage information, and the individual axis subordinate relationship information, extracts one or more checking subject sets from among all combinations of the machine elements.
Abstract: A numerical control device having a function of changing a set parameter for controlling a control object at a certain timing includes a main control unit for outputting various commands, a memory for storing various data including the set parameter, a parameter input part for inputting a changed set parameter, and a parameter change command part for outputting an update command, wherein the parameter change command part includes a determination data selecting section for selecting determination data for determining a timing of change in accordance with a set parameter, a data acquiring section for acquiring a detection value of the determination data in a real-time manner, and a determining section for creating an update command on the basis of an acquired detection value.
Abstract: The present invention provides technology which makes it possible, in a numerical control device for detecting a gap size on the basis of a relationship between the gap size and a nonlinear gap sensor output voltage, to increase the distance that can be detected by the numerical control device while ensuring high detection accuracy of the gap size.
Abstract: This numerical control system comprises: a numerical control device 5 that generates a high-level command signal including a robot command signal for a robot 3 according to a numerical control program; and a robot control device 6 that generates a robot control signal for controlling the operation of the robot 3 on the basis of the high-level command signal and inputs the robot control signal to the robot 3. The robot control device 6 includes a control unit 60 that generates the robot control signal by selectively executing one among a dynamic executable file generated on the basis of a dynamic executable file creation command signal and the robot command signal and a static executable file selected on the basis of a static executable file start command signal.
Abstract: A robot controller includes at least one memory that stores a plurality of mechanism error parameters including a first mechanism error parameter and a second mechanism error parameter. At least one processor of the robot controller acquires an actual measurement position and information on a status of a robot by driving the robot with a plurality of orientations at a plurality of positions based on the second mechanism error parameter. The at least one processor calculates a third mechanism error parameter by correcting a value of the first mechanism error parameter based on the acquired actual measurement position and information on the status of the robot. The robot is controlled based on the plurality of mechanism error parameters including the second mechanism error parameter and the third mechanism error parameter.
May 18, 2023
September 14, 2023
Wang Yuelai, Soichi Arita, Yasuhiro Naitou
Abstract: An injection molding machine comprises a safety door (first safety door, second safety door) for enabling an operator to access an inside mechanism (mold clamping mechanism, injection mechanism) when in an open state and preventing the operator from accessing the inside mechanism when in a closed state, the injection molding machine comprising: a display device for displaying an image; and a support mechanism (torque hinge) provided to the safety door, the support mechanism supporting the display device so as to make it possible to change the position or the orientation of the display device relative to the safety door.
Abstract: The present invention makes it possible, in force control during production, to automatically adjust a force control parameter optimally so as not to cause oscillation of a robot or failure of work. This robot system comprises: a robot arm having a hand at the end thereof for holding a workpiece; a force detector for detecting a force and moment received by the workpiece held by the hand; and a control device for moving the workpiece held by the hand with respect to a target object while performing force control of the robot arm to correct a position error and an attitude error of the workpiece, on the basis of a predetermined force control parameter and a detected value of the force detector. The control device has a parameter automatic adjustment unit for automatically adjusting the force control parameter by executing the moving of the workpiece with respect to the target object a plurality of times.
Abstract: Provided is a robot system with which it is possible to easily set an error parameter. The robot system according to an embodiment of the present disclosure comprises a robot, a measurement device attached to an end of the robot, a target mark fixed to a work space for the robot, and a robot control device for controlling the robot.
Abstract: A vacuum pressure supply system comprises: a plurality of vacuum pressure supply paths for supplying a vacuum pressure from a vacuum source to a holding unit that holds an object using the vacuum pressure; a pressure adjusting mechanism that adjusts the pressure in the vacuum pressure supply paths to obtain mutually different holding forces for holding the object; and a switching mechanism that switches the connection state of the vacuum source and the plurality of vacuum pressure supply paths in order to change the holding force of the holding unit. The switching mechanism switches the connection state by selecting one of the vacuum pressure supply paths and connecting the selected vacuum pressure supply path to the vacuum source.
Abstract: The present invention addresses the issue of providing a robot system and a robot operation method whereby, even if an issue occurs with an EOAT (a tool attached to the tip of a robot arm) and repair is required during application processing work by a robot, that repair does not take a lot of time or effort, errors do not occur during restoration work, and the restoration can be conducted quickly. This issue is solved by the present invention being configured so as to enable application processing work to be resumed by a user program that had been interrupted, after: returning back along the path recorded during progress by the robot tool; causing the tool to exit the work region; removing the cause of the error; then moving forward again along the recorded tool path to return to the point at which the error occurred.
Abstract: A numerical controller includes a storage unit that stores a plurality of stop conditions for, in a case where an event that causes an alarm occurs in a manufacturing machine that manufactures a product using a tool, stopping the manufacturing machine, the plurality of stop conditions being stored in association with a manufacturing step of the product and the event, a reception unit that receives selection of at least one stop condition among the plurality of stop conditions stored in the storage unit, and a control unit that executes operation control over the manufacturing machine until one stop condition of the at least one stop condition received by the reception unit is satisfied in a case where the event occurs during manufacturing of the product.
Abstract: A robot system including a robot configured to grip and carry a workpiece, and a controller configured to control the robot, wherein the controller includes a physique-information acquisition unit that acquires physique information of an actual worker who performs work on the workpiece cooperatively with the robot, a physique-information storage unit configured to store physique information of a reference worker, a program storage unit configured to store a motion program including one or more taught points for disposing the workpiece at a position and orientation suitable for the work performed by the reference worker, and a program correction unit that perform correction on the taught points of the motion program stored in the program storage unit based on the physique information of the actual worker acquired by the physique-information acquisition unit and the physique information of the reference worker stored in the physique-information storage unit.
Abstract: Provided is a printed circuit board for degradation detection, the printed circuit board having an insulator substrate and a wiring pattern for degradation detection, the wiring pattern being formed on an outer surface of the insulator substrate, and the printed circuit board for degradation detection being attached to a main printed circuit board for which degradation is to be detected. The wiring pattern is formed on, of the outer surfaces of the insulator substrate, a back surface positioned on the main printed circuit board side. The insulator substrate has a penetrating part (through hole, notch part) penetrating from the back surface to a front surface positioned on the side opposite from the back surface.
Abstract: The purpose of the present invention is to provide a device for controlling a machine tool with which it is possible to smoothly stop oscillation at an arbitrary timing without loss of cutting-chip-shredding performance, and to minimize shock produced in the machine tool. The present invention provides a device 1 for controlling a machine tool for performing machining while causing a tool and a workpiece to oscillate relative to each other, the device 1 for controlling a machine tool comprising: an oscillation command generation unit 12 for generating an oscillation command on the basis of a machining condition and an oscillation condition; an oscillation stoppage assessment unit 13 for assessing the timing of oscillation stoppage; and a position speed control unit 17 for causing, on the basis of a superimposition command generated by superimposing the oscillation command onto a position command or a position deviation, the tool and the workpiece to oscillate relative to each other.
Abstract: A compressed fluid supply system comprises: a pressure adjustment unit for adjusting the pressure of a compressed fluid supplied from a fluid supply source to support members supporting a movable member so that the movable member can be driven through the use of the compressed fluid; a drive force acquisition unit for acquiring a drive force of a motor for driving the movable member; and a pressure control unit for adjusting the pressure of the compressed fluid supplied to the support members by controlling the pressure adjustment unit on the basis of the drive force of the motor.
Abstract: A three-phase reactor includes: an outer peripheral iron core; and at least three iron-core coils that come in contact with an inner surface of the outer peripheral iron core or are joined to the inner surface. The at least three iron-core coils include corresponding iron cores and corresponding coils wound around the iron cores, and gaps that can magnetically connect one iron-core coil of the at least three iron-core coils and an iron-core coil adjacent to the one iron-core coil to each other are formed between the one iron-core coil of the at least three iron-core coils and the iron-core coil adjacent to the one iron-core coil.
Abstract: Provided is a lifetime prediction device and a machine tool that enable simple prediction of the lifetime of a filter while suppressing a prediction error with respect to a true value. A lifetime prediction device (88) according to one embodiment is provided with: a pressure acquisition unit (90) that acquires in time series a pressure value of a liquid applied to a filter (52); a time acquisition unit (92) that acquires processing time of a designated process; a calculation unit (94) that calculates the amount of pressure change during the processing time; and a prediction unit (96) that predicts a lifetime period before an upper limit value of the pressure of the liquid applied to the filter (52) is reached, by using the pressure value, the processing time, and the pressure change amount at the time of completion of the designated process.
Abstract: Provided is a machine tool control device that can generate movement commands of any required command form and that can also suppress the deviation of a peak position during air cutting. A machine tool control device 1 that performs processing while making a tool and a workpiece oscillate relative to each other. The machine tool control device 1 comprises an oscillation conditions setting unit 11 that sets oscillation conditions, an oscillation phase division unit 12 that divides an oscillation phase into a plurality of segments, a layered command calculation unit 13 that, for each of the divided segments, calculates a layered command as a movement command on the basis of the oscillation conditions, and a position and speed control unit 17 that makes the tool and the workpiece oscillate relative to each other on the basis of the layered commands.