IP Library › Granted Patent US 12,314,029
Granted Patent B2
US 12,314,029 · App. 17/916,029 · Granted May 27, 2025

Processing system, display system, processing apparatus, processing method for processing apparatus, and processing program

Inventors: Yusuke Koike (Osaka, JP); Yuma Higashiura (Osaka, JP)
Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
G05B19/4065B23C5/109B23C9/00B23Q17/0966B23C2260/76G05B2219/37087G05B2219/37274G05B2219/37355G05B2219/41376G05B2219/50203G05B2219/50327
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Quick Facts
Patent No.
US 12,314,029
App. No.
17/916,029
Granted
May 27, 2025
Kind
B2
Abstract

A processing system includes a cutting tool for milling, a plurality of sensors, and a processing unit. The plurality of sensors each is configured to measure a physical quantity that indicates a state related to loads on the cutting tool during cutting. The processing unit is configured to generate, based on measurement results from the respective sensors at a plurality of measurement time points, measurement data that is related to the loads in two directions on a plane perpendicular to a rotation axis of the cutting tool and that includes two-dimensional data at each of the measurement time points, and to perform a determination process concerning cutting in which the cutting tool is used, based on a two-dimensional shape indicated by the generated measurement data.

Claims (84)

1. A processing system comprising:

a cutting tool for cutting;

a plurality of sensors disposed on the cutting tool; and

a processor that obtains measurement results measured by the plurality of sensors and process the obtained measurement results, wherein

the plurality of sensors each being configured to measure a physical quantity that indicates a state related to loads on the cutting tool during cutting,

the processor being configured to generate, based on the obtained measurement results from the respective sensors at a plurality of measurement time points, measurement data that is related to the loads in two directions on a plane perpendicular to a rotation axis of the cutting tool and that includes two-dimensional data at each of the measurement time points, and to perform a determination process concerning cutting in which the cutting tool is used, based on a two-dimensional shape indicated by the generated measurement data,

the processor is configured to obtain calculation data that is calculated based on a shape of the cutting tool and based on a cutting condition when the cutting tool is used and that includes a plurality of pieces of two-dimensional data, at a plurality of time points, related to the loads in the two directions on the plane perpendicular to the rotation axis, and the determination process, further includes determining an abnormality in cutting in which the cutting tool is used, based on a result of comparing the two-dimensional shape indicated by the measurement data that includes the plurality of pieces of two-dimensional data corresponding to the plurality of measurement time points in a first period with a two-dimensional shape indicated by the calculation data that is calculated based on the cutting condition in the first period.

2. The processing system according to claim 1 , wherein the processor is configured to perform the determination process, based on the two-dimensional shape indicated by the calculation data that differs depending on the cutting condition.

3. The processing system according to claim 1 , wherein the processor is configured to perform the determination process, further based on a result of comparing a two-dimensional shape indicated by second measurement data that includes a plurality of pieces of two-dimensional data corresponding to the plurality of measurement time points in a second period different from the first period with the two-dimensional shape indicated by the first measurement data.

4. The processing system according to claim 1 , wherein the processor is configured to perform the determination process, further based on a result of comparing a two-dimensional shape indicated by second measurement data that includes a plurality of pieces of two-dimensional data corresponding to the plurality of measurement time points in a second period different from the first period with a two-dimensional shape indicated by second calculation data that is calculated based on the cutting condition in the second period.

5. The processing system according to claim 1 , wherein the processor is configured to perform the determination process, further based on a result of comparing the cutting condition in the first period with the cutting condition in a second period different from the first period.

6. The processing system according to claim 1 , wherein the processor is configured to perform the determination process, based on a degree of similarity between the two-dimensional shape indicated by the measurement data and the two-dimensional shape indicated by the calculation data.

7. The processing system according to claim 1 , wherein the processor is configured to perform the determination process concerning a cutting condition of cutting in which the cutting tool is used.

8. The processing system according to claim 1 , wherein the processor is configured to generate the measurement data that includes a plurality of pieces of two-dimensional data corresponding to the plurality of measurement time points in a period of time taken for the cutting tool to rotate a plurality of times.

9. The processing system according to claim 1 , wherein the processor is configured to generate the measurement data in which a rotation angle between two pieces of two-dimensional data adjacent to each other around the rotation axis is 5° or less and to obtain the calculation data in which a rotation angle between two pieces of two-dimensional data adjacent to each other around the rotation axis is 5° or less.

10. A processing system comprising: a cutting tool for cutting;

a plurality of sensors disposed on the cutting tool; and

a processor that obtains measurement results measured by the plurality of sensors and processes the obtained measurement results, wherein

the plurality of sensors each being configured to measure a physical quantity that indicates a state related to loads on the cutting tool during cutting,

the processor being configured to generate, based on the obtained measurement results from the respective sensors at a plurality of measurement time points, measurement data that is related to the loads in two directions on a plane perpendicular to a rotation axis of the cutting tool and that includes two-dimensional data at each of the measurement time points, and to perform a determination process concerning cutting in which the cutting tool is used, based on a two-dimensional shape indicated by the generated measurement data,

the processor is configured to obtain calculation data that is calculated based on a shape of the cutting tool and based on a cutting condition when the cutting tool is used and that includes a plurality of pieces of two-dimensional data, at a plurality of time points, related to the loads in the two directions on the plane perpendicular to the rotation axis,

the determination process , further includes determining an abnormality in cutting in which the cutting tool is used, based on a result of comparing the two-dimensional shape indicated by the measurement data that includes the plurality of pieces of two-dimensional data corresponding to the plurality of measurement time points in a first period with a two-dimensional shape indicated by the calculation data that is calculated based on the cutting condition in the first period, and

the processor is configured to calculate a degree of rotational symmetry indicating a degree of the rotational symmetry based on a result of comparison between a two-dimensional shape indicated by the obtained calculation data and a shape obtained by rotating the two-dimensional shape indicated by the obtained calculation data around a center, and perform the determination process based on the calculated degree of rotational symmetry.

11. A processing apparatus comprising:

a processor configured to

obtain measurement results from a plurality of sensors disposed on a cutting tool, the measurement results being physical quantities each indicating a state related to loads on the cutting tool during cutting,

generate, based on the measurement results from the respective sensors at a plurality of measurement time points previously obtained measurement data that is related to the loads in two directions on a plane perpendicular to a rotation axis of the cutting tool and that includes two-dimensional data at each of the measurement time points,

perform a determination process concerning cutting in which the cutting tool is used, based on a two-dimensional shape indicated by the measurement data previously generated,

acquire calculation data including a plurality of two-dimensional data regarding the load in two directions on a plane perpendicular to the rotation axis at a plurality of time points, the calculation data being calculated based on a shape of the cutting tool, and based on a cutting condition when the cutting tool is used;

wherein the determination process further includes determining an abnormality in cutting in which the cutting tool is used, based on a result of comparing the two-dimensional shape indicated by the measurement data that includes the plurality of two-dimensional data corresponding to the plurality of measurement time points in a first period with a two-dimensional shape indicated by the calculation data that is calculated based on the cutting condition in the first period.

12. A processing method for a processing apparatus, the processing method comprising:

obtaining measurement results from a plurality of sensors disposed on a cutting tool, the measurement results being physical quantities each indicating a state related to loads on the cutting tool during cutting;

generating, based on the obtained measurement results from the respective sensors at a plurality of measurement time points, measurement data that is related to the loads in two directions on a plane perpendicular to a rotation axis of the cutting tool and that includes two-dimensional data at each of the measurement time points;

performing a determination process concerning cutting in which the cutting tool is used, based on a two-dimensional shape indicated by the generated measurement data; and

acquiring calculation data including a plurality of two-dimensional data regarding the load in two directions on a plane perpendicular to the rotation axis at a plurality of time points, the calculation data being calculated based on a shape of the cutting tool and based on a cutting condition when the cutting tool is used,

wherein the determination process further includes including determining an abnormality in cutting in which the cutting tool is used, based on a result of comparing the two- dimensional shape indicated by the generated measurement data that includes a plurality of two- dimensional data corresponding to the plurality of measurement time points in a first period with a two-dimensional shape indicated by the calculation data that is calculated based on the cutting condition in the first period.

13. A non-transitory computer-readable storage medium having stored therein computer-readable instructions as part of a processing program for use in a processing apparatus, the processing program when executed by a computer causing the computer to implement a method, the method comprising:

obtaining measurement results from a plurality of sensors disposed on a cutting tool, the measurement results being physical quantities each indicating a state related to loads on the cutting tool during cutting,

generating, based on the measurement results from the respective sensors at a plurality of measurement time points previously obtained, measurement data that is related to the loads in two directions on a plane perpendicular to a rotation axis of the cutting tool and that includes two-dimensional data at each of the measurement time points;

performing a determination process concerning cutting in which the cutting tool is used, based on a two-dimensional shape indicated by the measurement data previously generated; and

acquiring calculation data including a plurality of two-dimensional data regarding the load in two directions on a plane perpendicular to the rotation axis at a plurality of time points, the calculation data being calculated based on a shape of the cutting tool and based ib a cutting condition when the cutting tool is used,

wherein the determination process further includes determining an abnormality in cutting in which the cutting tool is used, based on a result of comparing the two-dimensional shape indicated by the measurement data that includes a plurality of two-dimensional data corresponding to the plurality of measurement time points in a first period with a two-dimensional shape indicated by the calculation data that is calculated based on the cutting condition in the first period.

14. A display system comprising:

a cutting tool for cutting;

a plurality of sensors disposed on the cutting tool; and

a processing apparatus that obtains measurement results measured by the plurality of sensors and processes the obtained measurement results, wherein

the plurality of sensors each being configured to measure a physical quantity that indicates a state related to loads on the cutting tool during cutting, and

the processing apparatus being configured to generate, based on measurement results from the respective sensors at a plurality of measurement time points, measurement data that is related to the loads in two directions on a plane perpendicular to a rotation axis of the cutting tool and that includes two-dimensional data at each of the measurement time points, and to perform a process of displaying a two-dimensional shape indicated by the generated measurement data,

the processing apparatus is configured to obtain calculation data that is calculated based on a shape of the cutting tool and based on a cutting condition when the cutting tool is used and that includes a plurality of pieces of two-dimensional data, at a plurality of time points, related to the loads in the two directions on the plane perpendicular to the rotation axis, and to perform a process of further displaying a two-dimensional shape indicated by the obtained calculation data,

the processor is configured to perform a process of determining an abnormality in cutting in which the cutting tool is used, based on a result of comparing the two-dimensional shape indicated by first measurement data that includes the plurality of pieces of two-dimensional data corresponding to the plurality of time points in a first period with the two-dimensional shape indicated by the calculation data that is calculated based on the cutting condition in the first period, and

the processing apparatus is configured to perform a process of further displaying information indicating a degree of similarity between the two-dimensional shape indicated by the measurement data and the two-dimensional shape indicated by the calculation data.

15. A display system comprising:

a cutting tool for cutting;

a plurality of sensors disposed on the cutting tool; and

a processing apparatus that obtains measurement results measured by the plurality of sensors and processes the obtained measurement results, wherein

the plurality of sensors each being configured to measure a physical quantity that indicates a state related to loads on the cutting tool during cutting,

the processing apparatus being configured to generate, based on measurement results from the respective sensors at a plurality of measurement time points, measurement data that is related to the loads in two directions on a plane perpendicular to a rotation axis of the cutting tool and that includes two-dimensional data at each of the measurement time points, and to perform a process of displaying a two-dimensional shape indicated by the generated measurement data,

the processing apparatus is configured to estimate a cutting condition when the cutting tool is used and to perform a process of further displaying a result of estimation, and

the processing apparatus is configured to obtain calculation data that is calculated based on a cutting condition when the cutting tool is used, and to perform a process of determining an abnormality in cutting in which the cutting tool is used, based on a result of comparing the two- dimensional shape indicated by the generated measurement data that includes a plurality of pieces of the two-dimensional data corresponding to the measurement time points in a first period with a two-dimensional shape indicated by the calculation data that is calculated based on the cutting condition in the first period.

16. A processing apparatus comprising:

a processor configured to

obtain measurement results from a plurality of sensors disposed on a cutting tool, the measurement results being physical quantities each indicating a state related to loads on the cutting tool during cutting,

generate, based on the measurement results from the respective sensors at a plurality of measurement time points previously obtained, measurement data that is related to the loads in two directions on a plane perpendicular to a rotation axis of the cutting tool and that includes two-dimensional data at each of the measurement time points,

perform a process of displaying a two-dimensional shape that is indicated by the measurement data previously generated,

acquire calculation data including a plurality of two-dimensional data regarding the load in two directions on a plane perpendicular to the rotation axis at a plurality of time points, the calculation data being calculated based on a shape of the cutting tool and based on a cutting condition when the cutting tool is used,

determining an abnormality in cutting in which the cutting tool is used, based on a result of comparing the two-dimensional shape indicated by the measurement data that includes a plurality of pieces of two-dimensional data corresponding to the measurement time points in a first period with a two-dimensional shape indicated by the calculation data that is calculated based on the cutting condition in the first period,

perform a process of further displaying a two-dimensional shape indicated by the obtained calculation data, and

perform a process of further displaying information indicating a degree of similarity between the two-dimensional shape indicated by the measurement data and the two-dimensional shape indicated by the calculation data.

17. A processing method for a processing apparatus, the processing method comprising:

obtaining measurement results from a plurality of sensors disposed on a cutting tool, the measurement results being physical quantities each indicating a state related to loads on the cutting tool during cutting;

generating, based on the obtained measurement results from the respective sensors at a plurality of measurement time points, measurement data that is related to the loads in two directions on a plane perpendicular to a rotation axis of the cutting tool and that includes two-dimensional data at each of the measurement time points;

performing a process of displaying a two-dimensional shape that is indicated by the generated measurement data;

acquiring calculation data including a plurality of two-dimensional data regarding the load in two directions on a plane perpendicular to the rotation axis at a plurality of time points, the calculation data being calculated based on a shape of the cutting tool and based on a cutting condition when the cutting tool is used;

performing a determination process of determining an abnormality in cutting in which the cutting tool is used, based on a result of comparing the two-dimensional shape indicated by the generated measurement data that includes the plurality of pieces of two-dimensional data corresponding to the measurement time points in a first period with a two-dimensional shape indicated by the calculation data that is calculated based on the cutting condition in the first period:

performing a process of further displaying the two-dimensional shape indicated by the obtained calculation data; and

performing a process of further displaying information indicating a degree of similarity between the two-dimensional shape indicated by the measurement data and the two-dimensional shape indicated by the calculation data.

18. A non-transitory computer-readable storage medium having stored therein computer-readable instructions as part of a processing program for use in a processing apparatus, the processing program when executed by a computer causing the computer to implement a method, the method comprising:

obtaining measurement results from a plurality of sensors disposed on a cutting tool, the measurement results being physical quantities each indicating a state related to loads on the cutting tool during cutting,

generating, based on the measurement results from the respective sensors at a plurality of measurement time points previously obtained, measurement data that is related to the loads in two directions on a plane perpendicular to a rotation axis of the cutting tool and that includes two-dimensional data at each of the measurement time points;

performing a process of displaying a two-dimensional shape that is indicated by the measurement data previously generated;

acquiring calculation data including a plurality of two-dimensional data regarding the load in two directions on a plane perpendicular to the rotation axis at a plurality of time points, the calculation data being calculated based on a shape of the cutting tool and based on a cutting condition when the cutting tool is used;

performing a determination process of determining an abnormality in cutting in which the cutting tool is used, based on a result of comparing the two-dimensional shape indicated by the measurement data that includes the plurality of two-dimensional data corresponding to the measurement time points in a first period with a two-dimensional shape indicated by the calculation data that is calculated based on the cutting condition in the first period;

performing a process of further displaying the two-dimensional shape indicated by the obtained calculation data; and

performing a process of further displaying information indicating a degree of similarity between the two-dimensional shape indicated by the measurement data and the two-dimensional shape indicated by the calculation data.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 30, 2022
From: KOIKE, YUSUKE; HIGASHIURA, YUMA
To: SUMITOMO ELECTRIC INDUSTRIES, LTD.
Reel/Frame 061268/0130 →
Priority Claims (1)
WO PCT/JP2020/016248 · Apr 13, 2020 · international
Continuity (1)
Related Publication 20230161320A1 · May 25, 2023
References Cited (49)
US 7104866B2 · Yamane et al. · 2006 [cited by applicant]
US 8113066B2 · Eckstein et al. · 2012 [cited by applicant]
US 8589103B2 · Matsubara · 2013 [cited by examiner]
US 9839982B2 · Ando · 2017 [cited by applicant]
US 9864362B2 · Wunderlich et al. · 2018 [cited by applicant]
US 10010991B2 · Takahashi et al. · 2018 [cited by applicant]
US 10265818B2 · Tanaka · 2019 [cited by applicant]
US 10850360B2 · Tanaka · 2020 [cited by applicant]
US 10990085B2 · Otsu et al. · 2021 [cited by applicant]
US 11433498B2 · Laurent et al. · 2022 [cited by applicant]
US 11630005B1 · Yudkevich · 2023 [cited by examiner]
US 11794299B2 · Maxted · 2023 [cited by examiner]
US 20060019578A1 · Yamane et al. · 2006 [cited by applicant]
US 20090235763A1 · Eckstein et al. · 2009 [cited by applicant]
US 20150261207A1 · Wunderlich et al. · 2015 [cited by applicant]
US 20160303698A1 · Takahashi et al. · 2016 [cited by applicant]
US 20170001279A1 · Ando · 2017 [cited by applicant]
US 20180029185A1 · Tanaka · 2018 [cited by applicant]
US 20180071876A1 · Tanaka · 2018 [cited by applicant]
US 20180117725A1 · Laurent et al. · 2018 [cited by applicant]
US 20200026262A1 · Otsu et al. · 2020 [cited by applicant]
US 20230161320A1 · Koike et al. · 2023 [cited by applicant]
US 20230166376A1 · Koike · 2023 [cited by applicant]
CN 109940459A · 2019 [cited by applicant]
EP 3486737A1 · 2019 [cited by applicant]
JP 6362645A · 1988 [cited by applicant]
JP 31744U · 1991 [cited by applicant]
JP 68106A · 1994 [cited by applicant]
JP 11118625A · 1999 [cited by applicant]
JP 200626855A · 2006 [cited by applicant]
JP 200671485A · 2006 [cited by applicant]
JP 2006142460A · 2006 [cited by applicant]
JP 2013132734A · 2013 [cited by applicant]
JP 201577658A · 2015 [cited by applicant]
JP 201640071A · 2016 [cited by applicant]
JP 201824086A · 2018 [cited by applicant]
JP 201843317A · 2018 [cited by applicant]
JP 202011330A · 2020 [cited by applicant]
WO 2019101617A1 · 2019 [cited by applicant]
WO 2021210037A1 · 2021 [cited by applicant]
Notice of Allowance issued on Mar. 15, 2022, in corresponding Japanese patent Application No. 2021-564918, 5 pages. [cited by applicant]
International Search Report and Written Opinion mailed on Jul. 7, 2020, received for PCT Application PCT/JP2020/016248, filed on Apr. 13, 2020, 8 pages including English Translation. [cited by applicant]
Kaneko et al., “Cutting force model for end milling based on the inclined cutting theory”, Journal of Japan Society of Mechanical Engineers, vol. 83, No. 856, 2017, 21 pages including English Translation. [cited by applicant]
Related Application, PCT/JP2020/016248, filed on Apr. 13, 2020 and filed as a U.S. National Phase, 67 pages. [cited by applicant]
Office Action “Notification of Reasons for Refusal” issued on Jan. 11, 2022, in corresponding Japanese patent Application No. 2021-564918, 6 pages. [cited by applicant]
Office Action issued on Jul. 2, 2024, in corresponding related U.S. Appl. No. 17/916,055, 51 pages. [cited by applicant]
Pro-Micron Gmbh: “Intelligent tool-holder—wear detection of every cutting edge with spike®”, Sep. 24, 2019, URL:https://www.youtube.com/watch?v=la8n55VVwKI, 2 pages, XP093037979. [cited by applicant]
Office Action issued on Oct. 22, 2024, in related U.S. Appl. No. 17/916,055, 7 pages. [cited by applicant]
Final Office Action dated Feb. 3, 2025 in related U.S. Appl. No. 17/916,055 (22 pages). [cited by applicant]