Method and apparatus for centralized compliance, operations and setup of automated cutting tool machines

• US 10,195,708 B2
• Filed: 01/04/2017
• Issued: 02/05/2019
• Est. Priority Date: 09/28/2016
• Status: Active Grant

• Current Assignee: The Boeing Co.
• Original Assignee: The Boeing Co.
• Inventors: Agudelo, Richard
• Primary Examiner(s): Hartman, Jr., Ronald D
• Application Number:
  US15/398,561
• Publication Number:
  US 20180085877A1
• Time in Patent Office: 762 Days
• CPC Class Codes: B23Q 17/0995 Tool life management
• CPC Class Codes: G05B 19/048 Monitoring; Safety
• CPC Class Codes: G05B 19/4065 Monitoring tool breakage, life or condition
• CPC Class Codes: G05B 2219/37256 Wear, tool wear
• CPC Class Codes: G05B 2219/45044 Cutting
• CPC Class Codes: G05B 23/0275 Fault isolation and identification, e.g. classify fault; estimate cause or root of failure
• CPC Class Codes: G05B 23/0283 Predictive maintenance, e.g. involving the monitoring of a system and, based on the monitoring results, taking decisions on the maintenance schedule of the monitored system; Estimating remaining useful life [RUL] preventive maintenance, i.e. planning maintenance according to the available resources without monitoring the system G06Q10/06

Abstract

A system and method for cutting at least one of a plurality of features in a workpiece with at least one of a plurality of cutting tools controlled by at least one of a plurality of cutting tool machines is disclosed. The method receives process information describing cutting parameters from cutting tool machines, retrieves predicted cutting tool wear information relating a predicted cutting tool wear value to the cutting parameters, retrieves cutting tool information that include measured cutting tool wear information for the one of the plurality of cutting tools, computes a predicted cutting tool wear value for the one of the plurality of cutting tools from the measured cutting tool wear information, and cuts the at least one feature according to the computed predicted cutter wear value.

Claims

1. A method of cutting at least one of a plurality of features in a workpiece with at least one of a plurality of cutting tools controlled by at least one of a plurality of cutting tool machines, comprising:

receiving process information describing cutting parameters for the at least one feature from the at least one of the cutting tool machines;

retrieving predicted cutting tool wear information relating a predicted cutting tool wear value for the one of the plurality of cutting tools to the cutting parameters;

retrieving cutting tool information comprising measured cutting tool wear information for the one of the plurality of cutting tools, the measured cutting tool wear information describing a temporally previous measured cutting tool wear value for the cutting tool, wherein the cutting tool information further comprises cutting tool tracking information, the cutting tool tracking information comprising;

an identifier of the cutting tool;

a physical location of the cutting tool;

an identifier of each feature cut by the cutting tool including the at least one of the plurality of features; and

an identifier of the process information describing the cutting parameters used to cut each feature cut by the cutting tool including the at least one of the plurality of features;

computing a predicted cutting tool wear value for the one of the plurality of cutting tools from the measured cutting tool wear information, the predicted cutting tool wear information and the cutting parameters; and

cutting the at least one feature according to the computed predicted cutter wear value.

2. The method of claim 1, wherein cutting the at least one feature according to the computed predicted cutter wear comprises:

comparing the predicted cutting tool wear value to a threshold wear value; and

selecting another one of the plurality of cutting tools for cutting the feature according to the comparison.

3. The method of claim 2, further comprising:

measuring wear of the cutting tool after cutting the at least one feature; and

updating the measured cutting tool wear information of the cutting tool according to the measured wear of the cutting tool after cutting the at least one feature.

4. The method of claim 2, further comprising:

measuring wear of the cutting tool after cutting the at least one feature; and

updating the predicted cutting tool wear information relating predicted cutting tool wear to the cutting parameters according to the measured cutting tool wear.

5. The method of claim 2, further comprising:

measuring wear of the cutting tool after cutting the at least one feature; and

updating the cutting parameters according to the measured cutting tool wear.

6. The method of claim 5, wherein the cutting parameters for the at least one feature comprises:

feature information, comprising;

a location of the at least one feature in the workpiece

a composition of the workpiece at the location of the at least one feature; and

a dimension of the at least one feature in the workpiece;

cutting tool operation information, comprising;

a cutting tool dimension;

cutting tool material composition;

cutting tool speed;

cutting tool force; and

cutting tool coolant.

7. The method of claim 1, wherein:

the process information comprises a numerical control program for controlling the at least one of the plurality of cutting machines;

the method further comprises;

pulling the numerical control information describing the cutting parameters for the at least one feature; and

parsing the numerical control program to extract the cutting parameters for the at least one feature.

8. The method of claim 1, wherein cutting the at least one feature according to the computed predicted cutter wear value comprises:

cutting the at least one feature according to second process information that accounts for the predicted cutting tool wear value for the one of the plurality of cutting tools.

9. An apparatus for cutting at least one of a plurality of features in a workpiece with at least one of a plurality of cutting tools controlled by at least one of a plurality of cutting tool machines, comprising:

a processor, communicatively coupled to a memory storing instructions comprising instructions for;

receiving process information describing cutting parameters for the at least one feature from the at least one of the cutting tool machines;

retrieving predicted cutting tool wear information relating a predicted cutting tool wear value for the one of the plurality of cutting tools to the cutting parameters;

retrieving cutting tool information comprising measured cutting tool wear information for the one of the plurality of cutting tools, the measured cutting tool wear information describing a temporally previous measured cutting tool wear value for the cutting tool wherein the cutting tool information further comprises cutting tool tracking information, the cutting tool tracking information comprising;

identifier of the cutting tool;

physical location of the cutting tool;

an identifier of each feature cut by the cutting tool including the at least one of the plurality of features; and

an identifier of the process information describing the cutting parameters used to cut each feature cut by the cutting tool including the at least one of the plurality of features;

computing a predicted cutting tool wear value for the one of the plurality of cutting tools from the measured cutting tool wear information, the predicted cutting tool wear information and the cutting parameters; and

cutting the at least one feature according to the computed predicted cutter wear value.

10. The apparatus of claim 9, wherein the instructions for cutting the at least one feature according to the computed predicted cutter wear comprise instructions for:

comparing the predicted cutting tool wear value to a threshold wear value; and

selecting another one of the plurality of cutting tools for cutting the feature according to the comparison.

11. The apparatus of claim 10, wherein the instructions further comprise instructions for:

measuring wear of the cutting tool after cutting the at least one feature; and

updating the measured cutting tool wear information of the cutting tool according to the measured wear of the cutting tool after cutting the at least one feature.

12. The apparatus of claim 10, wherein the instructions further comprise instructions for:

measuring wear of the cutting tool after cutting the at least one feature; and

updating the predicted cutting tool wear information relating predicted cutting tool wear to the cutting parameters according to the measured cutting tool wear.

13. The apparatus of claim 10, wherein the instructions further comprise instructions for:

measuring wear of the cutting tool after cutting the at least one feature; and

updating the cutting parameters according to the measured cutting tool wear.

14. The apparatus of claim 9, wherein:

the process information comprises a numerical control program for controlling the at least one of the plurality of cutting machines;

the instructions further comprise instructions for;

pulling the numerical control information describing the cutting parameters for the at least one feature; and

parsing the numerical control program to extract the cutting parameters for the at least one feature.

15. The apparatus of claim 9, wherein the cutting parameters for the at least one feature comprises:

feature information, comprising;

a location of the at least one feature in the workpiece;

a composition of the workpiece at the location of the at least one feature; and

a dimension of the at least one feature in the workpiece;

cutting tool operation information, comprising;

a cutting tool dimension;

cutting tool material composition;

cutting tool speed;

cutting tool force; and

cutting tool coolant.

16. An apparatus for cutting at least one of a plurality of features in a workpiece with at least one of a plurality of cutting tools controlled by at least one of a plurality of cutting tool machines, comprising:

means for receiving process information describing cutting parameters for the at least one feature from the at least one of the cutting tool machines;

means for retrieving predicted cutting tool wear information relating a predicted cutting tool wear value for the one of the plurality of cutting tools to the cutting parameters;

means for retrieving cutting tool information comprising measured cutting tool wear information for the one of the plurality of cutting tools, the measured cutting tool wear information describing a temporally previous measured cutting tool wear value for the cutting tool wherein the cutting tool information further comprises cutting tool tracking information, the cutting tool tracking information comprising;

identifier of the cutting tool;

physical location of the cutting tool;

an identifier of each feature cut by the cutting tool including the at least one of the plurality of features; and

an identifier of the process information describing the cutting parameters used to cut each feature cut by the cutting tool including the at least one of the plurality of features;

means for computing a predicted cutting tool wear value for the one of the plurality of cutting tools from the measured cutting tool wear information, the predicted cutting tool wear information and the cutting parameters; and

means for cutting the at least one feature according to the computed predicted cutter wear value.

17. The apparatus of claim 16, wherein the means for cutting the at least one feature according to the computed predicted cutter wear comprises:

means for comparing the predicted cutting tool wear value to a threshold wear value; and

means for selecting another one of the plurality of cutting tools for cutting the feature according to the comparison.

18. The apparatus of claim 17, further comprising:

means for measuring wear of the cutting tool after cutting the at least one feature; and

means for updating the measured cutting tool wear information of the cutting tool according to the measured wear of the cutting tool after cutting the at least one feature.

19. The apparatus of claim 17, further comprising:

means for measuring wear of the cutting tool after cutting the at least one feature; and

means for updating the predicted cutting tool wear information relating predicted cutting tool wear to the cutting parameters according to the measured cutting tool wear.