Patent classifications
G05B2219/49295
Parameter determination support device, and non-transitory computer-readable medium encoded with program
To provide a parameter determination support device and a program capable of simplifying determination of driving parameters upon driving a motor for which the slip constant is unknown. A parameter determination support device includes: an acquisition unit for acquiring specification information of a drive device of a motor and output specification information of an induction motor; an initial parameter determination unit for determining an initial parameter for test running, based on the specification information and the output specification information; a program creation unit for creating a test-run program to be used in test running for acquiring data that is required for adjustment of a parameter that determines output of the induction motor, based on the output specification information; an automatic measurement unit for automatically measuring a Q-phase voltage command of the induction motor according to the speed, as operating information upon driving by varying the speed of the induction motor according to the test-run program by applying the initial parameters; an estimation unit for estimating a slip constant of the induction motor, based on the operating information; and a calculation unit for performing calculation of an optimum parameter tailored to the output specification of the induction motor, based on the slip constant.
NUMERICAL CONTROLLER AND COMPUTER READABLE STORAGE MEDIUM
A numerical controller includes: a spindle load detection unit that detects time-series data on a load on a spindle when a workpiece is machined; a target load setting unit that sets a target load on the spindle; a machining time prediction unit that, based on the time-series data, predicts a machining time taken when a feed rate of the spindle is controlled so that a load on the spindle matches the target load; and a machining time output unit that outputs data on the predicted machining time.
PARAMETER DETERMINATION SUPPORT DEVICE, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM ENCODED WITH PROGRAM
To provide a parameter determination support device and a program capable of simplifying determination of driving parameters upon driving a motor for which the slip constant is unknown. A parameter determination support device includes: an acquisition unit for acquiring specification information of a drive device of a motor and output specification information of an induction motor; an initial parameter determination unit for determining an initial parameter for test running, based on the specification information and the output specification information; a program creation unit for creating a test-run program to be used in test running for acquiring data that is required for adjustment of a parameter that determines output of the induction motor, based on the output specification information; an automatic measurement unit for automatically measuring a Q-phase voltage command of the induction motor according to the speed, as operating information upon driving by varying the speed of the induction motor according to the test-run program by applying the initial parameters; an estimation unit for estimating a slip constant of the induction motor, based on the operating information; and a calculation unit for performing calculation of an optimum parameter tailored to the output specification of the induction motor, based on the slip constant.
Numerical controller and movement control method for tool that maximizes movement torque in a cutting feed
A numerical controller includes: a program analyzing unit to obtain an end point position of a tool; a first angle calculating unit to calculate an inclination angle of a synthetic feeding direction that maximizes a synthetic torque, based on an upper limit movement torque of the tool in each of the two axis directions; a second angle calculating unit to calculate an inclination angle of a cutting feed direction of the tool based on a start point position and the end point position of the tool; a rotation angle calculating unit to calculate a difference between the inclination angle of the synthetic feeding direction and the inclination angle of the cutting feed direction as a rotation angle of a table; and a servo motor control unit to control rotation of the table based on the rotation angle.
NUMERICAL CONTROLLER AND MOVEMENT CONTROL METHOD FOR TOOL
A numerical controller includes: a program analyzing unit to obtain an end point position of a tool; a first angle calculating unit to calculate an inclination angle of a synthetic feeding direction that maximizes a synthetic torque, based on an upper limit movement torque of the tool in each of the two axis directions; a second angle calculating unit to calculate an inclination angle of a cutting feed direction of the tool based on a start point position and the end point position of the tool; a rotation angle calculating unit to calculate a difference between the inclination angle of the synthetic feeding direction and the inclination angle of the cutting feed direction as a rotation angle of a table; and a servo motor control unit to control rotation of the table based on the rotation angle.