The present invention corrects errors made by a machining tool having a discretionary machine configuration, by using a graph in which constituent elements serve as nodes. This control device comprises: a control point coordinate system insertion unit that inserts, as nodes, a control point and a coordinate system, for each node of a machine configuration graph; an identifier allocation unit that allocates an identifier to the inserted control points and coordinate systems; an error information storage unit that stores information relating to a machine error on a control subject, and the identifier allocated to the coordinate system in which the machine error was observed; an error node generation unit that converts the machine error to an equivalent error node; and an error node addition unit that adds the error node to the machine configuration graph.

An error diagnosis method includes: the parameter value obtaining step of obtaining multiple parameter values; the error detection step of calculating a Mahalanobis distance from a unit space based on the obtained parameter values and diagnosing whether or not error is caused at the real machine based on the calculated Mahalanobis distance; the error portion estimation step of estimating a error portion of the real machine based on the Mahalanobis distance calculated at the error detection step; and the matching determination step of structuring an error analyzing model for analyzing the real machine based on the error portion of the real machine estimated at the error portion estimation step and determining whether or not an output analytical signal of the real machine obtained by analysis of the error analyzing model and the output signal output from the real machine match with each other.

A machining apparatus error correction method is implemented in a machining apparatus error correction system. The method includes setting initial operating parameters according to a predetermined machining program, obtaining dimensional detection data during machining of a product, calculating a dimensional correction parameter according to the detection data and a dimensional inspection standard according to a predetermined correction model and generating a correction parameter file readable by the machining apparatus, and distributing the correction parameter file to the corresponding machining apparatus. The initial operating parameters include clamping parameters and dimensional inspection standards.

A machining apparatus error correction method is implemented in a machining apparatus error correction system. The method includes setting initial operating parameters according to a predetermined machining program, obtaining dimensional detection data during machining of a product, calculating a dimensional correction parameter according to the detection data and a dimensional inspection standard according to a predetermined correction model and generating a correction parameter file readable by the machining apparatus, and distributing the correction parameter file to the corresponding machining apparatus. The initial operating parameters include clamping parameters and dimensional inspection standards.

Provided are a wire electric discharge machine, a correction device, and a correction method which accurately correct position information indicating the position of a supporting point of each of an upper guide and a lower guide. The correction device includes: a storage unit that stores the position information; an inclination control unit that causes a wire electrode to incline at a predetermined angle; a measurement unit that measures a relative movement amount from a state in which the lower guide and a measurement site are separated by a predetermined distance in a relative movement direction to a state in which the wire electrode inclined at the predetermined angle reaches the measurement site; and an information, correction unit that corrects the position information of the storage unit on the basis of the predetermined angle and the relative movement amount.

A machining device includes: a positional deviation detection unit configured to calculate a correction value for correcting a positional deviation between an ideal contour line and an actual contour line in each of a plurality of angular directions based on a center of a hemispherical shape of a tool; a distance effect coefficient calculation unit configured to calculate a first distance effect coefficient indicating a degree of influence of the positional deviation when machining a second machining point, according to a distance between the tool and the second machining point in a case where a machining point machined by the tool transitions from one-point machining including a first machining point in the workpiece to two-point machining including the first machining point and the second machining point; and a positional deviation correction unit configured to correct the positional deviation of the tool.

A method includes receiving first sensor data, generated during a manufacturing process by sensors associated with a substrate manufacturing chamber. The method further includes receiving simulated sensor data generated by a trained physics-based model. The method further includes determining which one or more components of the manufacturing chamber contribute to a difference between the first sensor data and the simulated sensor data. The method further includes causing performance of a corrective action in view of the difference.

A numerical control device controlling a machine tool capable of machining on orthogonal three axes includes a parameter storage to store a noise-command allowable width to be used for determining whether to perform movement based on a movement command, and a path-correction processor to compare an absolute value of a movement amount according to a movement command in a command non-target axis direction that is a direction of an axis not included in a designated plane with the noise-command allowable width when a machining program block includes the movement command in the command non-target axis direction, determine the movement command in the command non-target axis direction to be a noise command when the absolute value of the movement amount according to the movement command in the command non-target axis direction is smaller, and perform path correction to set a movement amount according to the noise command to zero.

A method for analyzing an overcutting defect of a machining process comprises steps as following. A machining code is executed to generate a cutting face, wherein the cutting face comprises a plurality of machining paths. A specified machining path is defined from the plurality of machining paths and a specified node is set on the specified machining path. A sectional plane passing through the specified node is calculated. A plurality of intersection points between the sectional plane and the other machining paths which are different from the specified machining path are obtained. A first adjacent intersection point a second adjacent intersection point are specified from the intersection points. A connection line located between the first adjacent intersection point and the second adjacent intersection point is obtained. A distance between the specified node and connection line is calculate and the distance is defined as an overcutting amount of the specified node.

A method for analyzing an overcutting defect of a machining process comprises steps as following. A machining code is executed to generate a cutting face, wherein the cutting face comprises a plurality of machining paths. A specified machining path is defined from the plurality of machining paths and a specified node is set on the specified machining path. A sectional plane passing through the specified node is calculated. A plurality of intersection points between the sectional plane and the other machining paths which are different from the specified machining path are obtained. A first adjacent intersection point a second adjacent intersection point are specified from the intersection points. A connection line located between the first adjacent intersection point and the second adjacent intersection point is obtained. A distance between the specified node and connection line is calculate and the distance is defined as an overcutting amount of the specified node.