# US 12,007,225 B2 · System and method for analysing a surface that is subject to wear

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- Number: US 12,007,225 B2
- Document ID: US12007225B2
- Status: Granted
- Kind: B2
- Application number: 17/057,966
- Filed: 2019-05-29
- Published: 2021-07-15
- Granted: 2024-06-11
- Earliest claimed: 2018-05-31
- Assignees: Metso Sweden AB
- Applicants: Metso Sweden AB
- Inventors: Andreas Hoffmann; Lars Furtenbach
- Web page: https://patentgrep.com/patent/US12007225B2

## CPC

- G01B 11/30: for measuring roughness or irregularity of surfaces
- B02C 23/00: Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group ({specially adapted for grain mills B02C11/00;} separating or sorting in general B03, B04, B07)
- B02C 17/1805: {Monitoring devices for tumbling mills}
- B02C 2210/02: Features for generally used wear parts on beaters, knives, rollers, anvils, linings and the like
- G01B: MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- B02C: CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN ({household tools and machines for pulverising foodstuffs, e.g. coffee and spice mills A47J42/00; pharmaceutical mortars A61J3/02; mechanical processing of refuse and garbage B03B9/06; dressing mould materials by grinding B22C5/04}; obtaining metallic powder by crushing, grinding or milling B22F9/04; {recovery of plastics by disintegrating B29B17/00; crushing raw materials in starch making C08B30/02; beaters for papermaking D21D1/02; crushing devices specially for transport in mines E21F13/002; slag crushing devices F23J1/00; fuel milling devices in combustion apparatus F23K1/00; household devices for crushing coal F24B15/02; ice disintegrating devices F25C5/02})

## Abstract

The disclosure relates to a system for analyzing a wear surface in a material handling system. The system including a scanner and a processor configured to generate measurement data. The disclosure further comprises a corresponding method for utilizing the system for analyzing a wear surface.

## Claims

### Claim 1

A system for analysing a three-dimensional wear surface in a material handling system to generate scalar measurement data therefrom, the system including:
a scanner, configured to generate point cloud data of the three-dimensional wear surface; and
a processor, configured to receive the point cloud data and generate the scalar measurement data therefrom by:
generating a plurality of subsets of points of the point cloud data; and
from each of the plurality of subsets, selecting a single scalar measurement associated with a point of the subset, wherein the plurality of single scalar measurements from the plurality of subsets form the scalar measurement data.

### Claim 2 (depends on 1)

The system of claim 1 wherein the scalar measurement for each point of each subset is a distance from a center line to the point.

### Claim 3 (depends on 2)

The system of claim 2 wherein the single scalar measurement selected for each subset is from the point having the maximum distance from the center line.

### Claim 4

A method for analysing a three-dimensional wear surface in a material handling system to generate scalar measurement data therefrom, the method including:
scanning, with a scanner, the three-dimensional wear surface to generate point cloud data; and
generating the scalar measurement data from the point cloud data by:
generating a plurality of subsets of points of the point cloud data; and
from each of the plurality of subsets, selecting a single scalar measurement associated with a point of the subset, wherein the plurality of single scalar measurements from the plurality of subsets form the scalar measurement data.