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1. WO2020118219 - SYSTEM AND METHOD FOR MEASURING USING MULTIPLE MODALITIES

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

What is claimed is:

1. A method of measuring an object using a coordinate measuring machine ("CMM") having a CMM probe and a CMM accuracy, the object having a plurality of portions, the method comprising:

providing a jogbox with a 3D scanner having a scanner accuracy, the scanner being distinct from the CMM probe;

positioning the object on the CMM;

using the 3D scanner, scanning the object to produce scan data of the object;

measuring a first portion of the object using the scan data; and

measuring a second portion of the object using the CMM probe, the second portion being different from the first portion,

the CMM accuracy being more accurate than the scanner accuracy.

2. The method as defined by claim 1, further comprising:

determining that the first portion is to be measured from the scan data; and

determining that the second portion is to be measured using the CMM.

3. The method as defined by claim 1 wherein the scan data comprises a point cloud representation of a portion of the object.

4. The method as defined by claim 1, wherein the 3D scanner comprises at least one of a laser scanner and a white light scanner.

5. The method as defined by claim 1 wherein measuring the first portion comprises locating the first portion of the object as represented by the scan data, and virtually measuring that located first portion.

6. The method as defined by any one of claim 1 wherein the scan accuracy is between about 50 and 200 microns and the CMM accuracy is between 1 and 10 microns.

7. The method as defined by claim 1 wherein the jogbox includes a joystick for controlling the CMM, and a touch-screen display for controlling the jogbox and/or the CMM.

8. The method as defined by claim 1 further comprising comparing the measured values of the first and second portions against a nominal file to determine error.

9. A jogbox for use with a CMM, the jogbox comprising:

a housing;

interface elements for controlling the CMM; and

a 3D, non-contact scanner configured to scan an object,

the housing at least in part containing the interface elements and the scanner.

10. The jogbox as defined by claim 9 further comprising a wireless interface configured to communicate with the CMM.

11. The jogbox as defined by claim 9 wherein the interface elements include a touchscreen display.

12. The jogbox as defined by claim 9 wherein the CMM has a CMM accuracy and the scanner has a scanner accuracy, the CMM accuracy being more accurate than the scanner accuracy.

13. A method of measuring an object using a coordinate measuring machine ("CMM") having CMM coordinate system, a CMM probe and a CMM accuracy, the object having a plurality of portions, the method comprising:

providing a jogbox with a 3D scanner having a scanner accuracy, the scanner accuracy being less than the CMM accuracy, the scanner being distinct from the CMM probe, the jogbox being movable relative to the CMM; positioning the object on the CMM;

moving the jogbox into a position relative to the object;

using the 3D scanner at the position, scanning the object to produce scan data of the object;

reconciling the scan data to the CMM coordinate system to produce reconciled scan data referenced to the CMM coordinate system;

measuring a first portion of the object using the scan data to produce first measured values referenced to the CMM coordinate system;

measuring a second portion of the object using the CMM probe to produce second measured values, the second portion being different from the first portion; and

comparing first measured values of the first and the second measured values of the second portions against a nominal file, the nominal file

providing nominal dimensions of the object, to determine error in the object.

14. The method as defined by claim 13, further comprising:

determining that the first portion is to be measured from the scan data; and

determining that the second portion is to be measured using the CMM.

15. The method as defined by claim 13 wherein the scan data comprises a point cloud representation of a portion of the object.

16. The method as defined by claim 13, wherein the 3D scanner comprises at least one of a laser scanner and a white light scanner.

17. The method as defined by claim 13 wherein measuring the first portion comprises locating the first portion of the object as represented by the scan data, and virtually measuring that located first portion.

18. The method as defined by any one of claim 13 wherein the scan accuracy is between about 50 and 200 microns and the CMM accuracy is between 1 and 10

microns.

19. The method as defined by claim 13 wherein the jogbox includes a joystick for controlling the CMM, and a touch-screen display for controlling the jogbox and/or the CMM.

20. The method as defined by claim 13, further comprising comparing the measured values of the first and second portions against a nominal file to determine error.