Patent application number | Description | Published |
20130169208 | PATH DISPLAY APPARATUS CONSIDERING CORRECTION DATA - A path display apparatus includes a first position command acquiring unit that acquires first position command for motors, a first position feedback acquiring unit that acquires first position feedback of each of the motors, a correction data acquiring unit that acquires correction data generated for each of the motors, a second position command calculating unit that subtracts the correction data from the first position command to calculate a second position command, a second position feedback calculating unit that subtracts the correction data from the first position feedback to calculate second position feedback, a command path display unit that displays a command path of the tip point of the tool, based on the second position command; and a feedback path display unit that displays a feedback path of the tip point of the tool, based on the second position feedback. | 07-04-2013 |
20130271048 | SYNCHRONOUS MOTOR CONTROL DEVICE FOR CONTROLLING SYNCHRONOUS MOTOR TO CARRY OUT POWER REGENERATIVE OPERATION AND STOP SYNCHRONOUS MOTOR AT THE TIME OF POWER FAILURE - A second q-axis current command value, which is set by a q-axis current command value setting unit when an alternating-current power source fails at the time of driving of a synchronous motor, and a second d-axis current command value, which is set by a d-axis current command value setting unit when the alternating-current power source fails at the time of the driving of the synchronous motor, are set so that an absolute value of power per unit time of the synchronous motor is equal to loss per unit time of the synchronous motor. | 10-17-2013 |
20150066434 | DATA ACQUISITION DEVICE FOR ACQUIRING CAUSE OF STOPPAGE OF DRIVE AXIS AND INFORMATION RELATING THERETO - A data acquisition device includes an operational information acquiring part for acquiring operational data from a numerical control device, an active portion acquiring part for acquiring an active portion of a machining program from the numerical control device, a stopping cause acquiring part for acquiring stopping cause information representative of cause of stoppage when the drive axis is stopped, from the numerical control device, and storing part for storing the operational data, the active portion, and the stopping cause information, in association with time of their acquisition, respectively. | 03-05-2015 |
20150100150 | TOOL TRAJECTORY DISPLAY DEVICE INCLUDING DISPLAY UNIT FOR TRAJECTORY DATA - The tool trajectory display device ( | 04-09-2015 |
20150160647 | PARAMETER ADJUSTMENT SUPPORT DEVICE HAVING FUNCTION FOR SUPPORTING PARAMETER ADJUSTMENT - A parameter adjustment support device configured to effectively adjust an acceleration/deceleration parameter of a drive axis, even when an operator thereof is inexperienced. The Support device includes: an actual acceleration/deceleration characteristic obtaining part which obtains an actual acceleration/deceleration characteristic curve relating to a velocity and an acceleration of the drive axis, from a numerical controller or an external storing device; a parameter setting part which sets or changes the parameter based on an external input; an acceleration/deceleration characteristic displaying part which generates a commanded acceleration/deceleration characteristic curve relating to the velocity and the acceleration of the drive axis based on the setup or updated parameter, and contrastively displays the obtained actual curve and the generated commanded curve; and a setting information outputting part which outputs the setup or updated parameter to the numerical controller. | 06-11-2015 |
20150205282 | NUMERICAL CONTROL DEVICE OF MACHINE TOOL - 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. | 07-23-2015 |
20150241869 | NUMERICAL CONTROL DEVICE HAVING FUNCTION OF CALCULATING FREQUENCY CHARACTERISTIC OF CONTROL LOOP - 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. | 08-27-2015 |
20150248123 | NUMERICAL CONTROL DEVICE PROVIDED WITH HEAT RADIATION CHARACTERISTIC ESTIMATION PART - 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. | 09-03-2015 |