Coordinate Measuring Device Specification Data Retrieval

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Solution Overview

Problem

Current methods for measuring workpieces with coordinate measuring machines lack standardized specification data, leading to inefficiencies and errors in defining measurement processes and evaluating results, resulting in inconsistent results across different locations and technicians.

Innovation Solution

The method involves using existing test features with associated data to define measurement sequences and evaluate results, reducing the effort required by determining similarity criteria such as dimension, tolerance type, and permissible range, and retrieving stored data for default specifications.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If measurement parameters and evaluation specifications are manually specified by the user, then the measurement process can be defined and executed, but the effort and time required increase significantly and errors are more likely to occur

Engineering Contradiction:
Improvemeasurement result consistencyVSAvoidtime for specifying measurement parameters
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent stores measurement parameters and evaluation specifications from previously executed measurement processes in a database. Before a new measurement, these pre-stored parameters are automatically retrieved and assigned as default values, eliminating the need for manual re-specification and ensuring consistency with proven measurement configurations.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system creates copies of measurement parameters and evaluation specifications from existing test features in the database. These copied parameters serve as templates that can be automatically assigned to new measurement tasks, reducing manual input effort while maintaining reliability through proven configurations.

Inventive Principle:
Principle #26Copying

2Adaptability or versatility

If different users specify measurement parameters manually, then each user can customize the measurement process, but the results become inconsistent and less comparable across different locations and technicians

Engineering Contradiction:
Improveuser customization capabilityVSAvoidresult comparability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The system automatically retrieves and assigns measurement parameters and evaluation specifications from the database without requiring manual user input. This self-service approach ensures that the same proven parameters are used consistently across different users and locations, improving result comparability while still allowing users to review and adjust parameters if needed.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent ensures homogeneity in measurement processes by automatically assigning identical measurement parameters and evaluation specifications from the database to similar measurement tasks. This standardization eliminates variations introduced by different users, making results comparable across different locations and technicians.

Inventive Principle:
Principle #33Homogeneity

3Measurement precision

If detailed measurement parameters are manually specified for each measurement, then measurement accuracy can be optimized, but the complexity of the measurement setup process increases

Engineering Contradiction:
Improvemeasurement accuracyVSAvoidmeasurement setup complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

Measurement parameters that have been proven to yield accurate results are pre-configured and stored in the database from previous successful measurements. Before executing a new measurement, these pre-optimized parameters are automatically retrieved and assigned, maintaining measurement accuracy while eliminating the complex manual setup process.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system copies proven measurement parameter configurations from the database for similar measurement tasks. This copying approach preserves the measurement accuracy achieved through careful optimization while significantly reducing the complexity of setting up new measurements, as users don't need to manually specify each parameter.

Inventive Principle:
Principle #26Copying

4Productivity

If measurement parameters are not specified beforehand, then the measurement process can start quickly, but the quality and reliability of the measurement results deteriorate

Engineering Contradiction:
Improvemeasurement process speedVSAvoidmeasurement result quality
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

Measurement parameters and evaluation specifications are pre-stored in the database from previous measurements. Before the measurement process begins, these parameters are automatically retrieved and assigned in the background, allowing the actual measurement to start quickly without compromising result quality, as the parameters are already optimized.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system automatically retrieves and assigns appropriate measurement parameters from the database based on the measurement task requirements, without requiring manual user specification. This self-service approach ensures that high-quality, proven parameters are used while maintaining fast measurement execution, as the parameter assignment happens automatically.

Inventive Principle:
Principle #25Self-service

Data Source

PatentEP3403051B1Method and device for specifying specification data for a measurement of a workpiece to be measured by means of a coordinate measuring device and/or for an analysis of measurement results of a measurement of a measured workpiece by means of a coordinate measuring device
Publication Date: 2019.10.09 CARL ZEISS INDUSTRIELLE MESSTECHNIKE GMBH
  • EP3403051B1 patent drawingFigure 1
  • EP3403051B1 patent drawingFigure 2
  • EP3403051B1 patent drawingFigure 3

AI summary

The invention relates to a method for specifying specification data for a measurement of a workpiece (6) to be measured by means of a coordinate measuring device (19) and/or for an analysis of measurement results of a measurement of a measured workpiece (6) by means of a coordinate measuring device (19), wherein - a test characteristic (47) to be determined which is measured during the measurement of the workpiece (6) and which is to be determined during the analysis of the measurement results is ascerrtained with respect to the following test characteristic features: a) the dimension of the test characteristic (62), b) the tolerance type (63), and c) the permissible tolerance range (64), or information is received which is used to ascertain the test characteristic (47) to be determined with respect to the test characteristic features a) to c), - a present test characteristic which is similar to the test characteristic (47) to be determined is ascertained from a plurality of present test characteristics for which respective assigned data is stored for a measurement of a workpiece and/or for an analysis of measurement results of a measurement of a workpiece by ascertaining whether a specified similarity criterion has been satisfied, wherein a similarity of the test characteristic features a) to c) of the test characteristic (47) to be determined and the present test characteristic are ascertained when determining whether the specified similarity criterion has been satisfied, and - the data assigned to the present similar test characteristic is retrieved and defined as specification data (27, 28) for the measurement process of the workpiece (6) to be measured and/or for the analysis process of the measurement results of the measurement of the measured workpiece (6).