Shape Measuring Apparatus Control via Predefined Geometric Templates
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Solution Overview
Problem
Existing shape measuring apparatuses require high-performance computers for nominal scanning measurements, making them inaccessible to users who need to measure unique or special order products without CAD data or high-performance PCs.
Innovation Solution
A method for controlling a shape measuring apparatus that allows users to select geometric shapes and measurement paths from pre-defined menus, calculating measurement points and normal directions using a calculation formula, enabling simplified nominal scanning measurements without CAD data or high-performance computers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If nominal scanning measurement is performed using CAD data conversion to PCC curves, then measurement efficiency is improved, but device complexity and hardware cost increase
Solution Approach 1:
The patent replaces expensive, high-performance computers with a standard personal computer running the measurement software. The complex PCC curve conversion and path generation algorithms are implemented as software rather than hardware requirements, making the system accessible on ordinary PCs without sacrificing measurement efficiency
Solution Approach 2:
The patent substitutes the mechanical requirement of high-performance computer hardware with a software-based solution. The complex calculations for CAD data conversion, PCC curve generation, and measurement path calculation are performed through optimized software algorithms on standard PC processors, eliminating the need for specialized graphic workstations
2Adaptability or versatility
If autonomous scanning measurement is used to measure all workpieces without CAD data, then adaptability is improved, but measurement time increases significantly
Solution Approach 1:
The patent prepares measurement path templates and PCC curve conversion algorithms in advance as software components. These pre-configured measurement paths can be quickly applied to different workpieces by simply loading the appropriate template, eliminating the need for time-consuming autonomous path generation while maintaining the ability to measure workpieces without CAD data
Solution Approach 2:
The patent enables users to select different measurement path parameters and PCC curve degrees through software settings. By changing parameters such as path type, sampling density, and curve complexity, the system can adapt to different workpiece geometries and measurement requirements without requiring full autonomous scanning, thus reducing measurement time while maintaining versatility
Data Source
AI summary
A method for nominal scanning measurement includes allowing a user to select a shape of an object to be measured from a geometric shape menu prepared in advance, allowing the user to input, according to the selected geometric shape, a parameter to specify the geometric shape, allowing the user to select a measurement path from a measurement path menu prepared in advance, allowing the user to input, according to the selected measurement path, a parameter to specify the measurement path, calculating, based on the selected geometric shape, the input parameter of the geometric shape, the selected measurement path, and the input parameter of the measurement path, measurement points on a workpiece and a normal line direction at each of measurement points using a calculation formula prepared in advance, and calculating a path for scanning measurement to move while scanning a sequence of the measurement points.