IP Library Granted Patent US 12673393
Granted Patent B2
US 12673393 · App. 18/010,567 · Granted Jul 7, 2026

Machine for storing in-machining information and a comparison result

Inventors: Masahide Yamaoka (Yamanashi-ken, JP); Meguru Yamaguchi (Yamanashi-ken, JP)
Assignee: FANUC CORPORATION
B23Q17/20B23H7/04B23H11/00B23Q17/09B23Q2717/00
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Quick Facts
Patent No.
US 12673393
App. No.
18/010,567
Granted
Jul 7, 2026
Kind
B2
Abstract

A processing machine is provided which can accurately evaluate the results of periodic inspection. This processing machine, for processing a workpiece, is provided with: an information storage unit which, as reference information, stores information that includes multiple pieces of in-process information, which indicate the processing state when the workpiece was subjected to inspection processing, and processing result information, which has been obtained by measuring the product obtained by the inspection processing; an acquisition unit which acquires comparison information, which includes the processing result information and the multiple pieces of in-process information in inspection processing that was carried out after the inspection processing for which the reference information was acquired; a comparison unit which compares the comparison information and the reference information; and a display control unit which displays on a display unit the results of comparison by the comparison unit.

Claims (49)

1 . A processing machine that machines an object to be machined, the processing machine comprising

one or more processors that execute computer-executable instructions stored in a memory,

wherein

the one or more processors execute the computer-executable instructions to cause the processing machine to:

store, as reference information, information including a plurality of pieces of in-machining information indicating a machining state when first inspection machining is performed on the object to be machined, and first machining result information obtained by measuring a machined product obtained by the first inspection machining;

acquire comparison information including the plurality of pieces of in-machining information and second machining result information that are obtained in second inspection machining executed after the first inspection machining in which the reference information has been acquired;

compare the in-machining information included in the comparison information with the in-machining information included in the reference information or compare the second machining result information included in the comparison information with the first machining result information included in the reference information; and

display the comparison information on a display screen, and distinguishably display, on the display screen, information for which a difference equal to or greater than a difference threshold occurs between the reference information and the comparison information,

wherein

the reference information is acquired at a time of the first inspection machining performed in on-site adjustment or at a time of the first inspection machining performed after on-site adjustment,

the comparison information is acquired at a time of the second inspection machining performed in a periodic inspection,

the in-machining information included in each of the reference information and the comparison information includes at least one of information about a machining voltage, information about a machining current, information about a machining speed, information about a machining temperature, information about a dielectric working fluid pressure, information about resistivity, information about a machining time, or information about a machining date and time, and

the one or more processors execute the computer-executable instructions to cause the processing machine to display the reference information together with the comparison information.

2 . The processing machine according to claim 1 , wherein

the one or more processors execute the computer-executable instructions to cause the processing machine to display a radar chart indicating a variation in the comparison information with respect to the reference information.

3 . The processing machine according to claim 1 , wherein

the one or more processors execute the computer-executable instructions to cause the processing machine to

calculate a degree of similarity based on a comparison between the reference information and the comparison information, and

display the degree of similarity calculated.

4 . The processing machine according to claim 1 , further comprising

a table in which a portion requiring maintenance or checking is defined according to a difference between the reference information and the comparison information,

wherein the one or more processors execute the computer-executable instructions to cause the processing machine to

determine the portion requiring the maintenance or the checking, based on the table and the difference between the reference information and the comparison information, and

display information indicating the portion requiring the maintenance or the checking, based on a determination result obtained.

5 . The processing machine according to claim 1 , wherein

at least one of the first machining result information or the second machining result information includes at least one of information about dimensions, information about straightness, or information about surface roughness.

6 . The processing machine according to claim 1 , wherein

the reference information and the comparison information each include setup information that is information about setup of the first inspection machining and the second inspection machining, respectively.

7 . The processing machine according to claim 6 , wherein

the setup information includes at least one of information about a wire electrode used for inspection machining, information about the object to be machined, information indicating a machining program used for inspection machining, information indicating machining conditions when inspection machining is performed, or information indicating a person in charge of inspection machining.

8 . The processing machine according to claim 1 , wherein the one or more processors execute the computer-executable instructions to cause the processing machine to

transmit the comparison result to an information management device, or a device of a support provider.

9 . The processing machine according to claim 1 , wherein the one or more processors execute the computer-executable instructions to cause the processing machine to

electronically store a procedure manual used when the inspection machining is performed.

10 . The processing machine according to claim 1 , wherein

the processing machine is a wire electrical discharge machine.

11 . A processing machine that machines an object to be machined, the processing machine comprising

one or more processors that execute computer-executable instructions stored in a memory,

wherein

the one or more processors execute the computer-executable instructions to cause the processing machine to:

store, as reference information, information including a plurality of pieces of in-machining information indicating a machining state when first inspection machining is performed on the object to be machined, and first machining result information obtained by measuring a machined product obtained by the first inspection machining;

acquire comparison information including the plurality of pieces of in-machining information and second machining result information that are obtained in second inspection machining executed after the first inspection machining in which the reference information has been acquired;

compare the in-machining information included in the comparison information with the in-machining information included in the reference information or compare the second machining result information included in the comparison information with the first machining result information included in the reference information; and

display the comparison information on a display screen, and distinguishably display, on the display screen, information for which a difference equal to or greater than a difference threshold occurs between the reference information and the comparison information,

wherein

the reference information is acquired at a time of the first inspection machining performed in on-site adjustment or at a time of the first inspection machining performed after on-site adjustment,

the comparison information is acquired at a time of the second inspection machining performed in a periodic inspection,

the in-machining information included in each of the reference information and the comparison information includes at least one of information about a machining voltage, information about a machining current, information about a machining speed, information about a machining temperature, information about a dielectric working fluid pressure, information about resistivity, information about a machining time, or information about a machining date and time, and

the one or more processors execute the computer-executable instructions to cause the processing machine to display a radar chart indicating a variation in the comparison information with respect to the reference information.