Tool Digital Twin Measurement Using Key Cutting Points
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Solution Overview
Problem
Existing tool measuring systems require high accuracy for presetting, which is not necessary for digital twin collision protection, leading to inefficiencies and interface problems in data integration for collision simulation.
Innovation Solution
An apparatus and method for measuring tools that focus on sampling key cutting points, using prior knowledge to streamline the measurement process, and generating a collision-relevant digital twin with reduced accuracy requirements, integrating data from a single source for improved collision observation and simulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If high accuracy measurement is performed for tool presetting, then presetting precision is improved, but measurement time and complexity increase
Solution Approach 1:
The measurement process is segmented into two distinct modes: high-precision presetting measurement and lower-precision digital twin measurement. The system divides the measurement requirements based on the specific application, allowing high accuracy only where necessary for presetting while using reduced accuracy for digital twin creation, thereby reducing overall measurement time and complexity
Solution Approach 2:
Different accuracy levels are applied to different measurement purposes within the system. The patent implements local quality by allowing high measurement precision specifically for presetting operations while accepting lower precision for digital twin generation, optimizing resource allocation by applying quality only where absolutely necessary
2Measurement precision
If high accuracy measurement is performed for tool presetting, then presetting precision is improved, but device complexity increases
Solution Approach 1:
The measurement system is designed with multi-functionality to handle both high-precision presetting measurements and lower-precision digital twin measurements using the same apparatus. This universality reduces device complexity by eliminating the need for separate measurement systems while still maintaining high precision when required through software-controlled measurement modes
3Measurement precision
If complete tool data is measured with high accuracy, then data accuracy is improved, but computing resources required for collision simulation increase
Solution Approach 1:
For digital twin creation, the system applies partial action by measuring only the essential geometric features with sufficient but not excessive precision. The patent implements this by capturing key tool geometry data needed for collision simulation without performing complete high-precision measurements of all tool surfaces, thereby reducing computing resource requirements while maintaining adequate accuracy for safety purposes
Data Source
AI summary
An apparatus is provided for measuring a tool or a cutting tool, or a complete tool including a tool holder and a tool or a cutting tool, clamped in the tool holder. A method is provided for compiling a digital image of a tool or a cutting tool, or a complete tool including a tool holder and a tool or a cutting tool, clamped in the tool holder, in particular by using the apparatus. During the method, the tool or the complete tool is sampled for the compilation of the digital image. At least one first cutting point, for example a cutting start point, and a second cutting point, for example a cutting end point, are measured for the tool or the complete tool. A cutting region is then ascertained in the digital image by using the first and second cutting points forming a collision-relevant digital twin.