Machine Tool Locating With Multi-Point Distance Feedback
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Solution Overview
Problem
Existing machine tool locating systems suffer from inaccuracies in measuring the position of machine tools due to cable-based systems, leading to inefficiencies in precision machining, and require complex setup and advanced operator knowledge, limiting their use for non-straight profiles and increasing production costs.
Innovation Solution
A locating system for machine tools that uses at least two locating apparatuses with detection cables to measure distances and orientations, allowing direct and indirect positioning of the machine tool relative to the machining surface, enabling precise and autonomous positioning without excessive manufacturing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If cable-based locating systems are used to measure machine tool position, then the system can be implemented with relatively simple structure, but measurement precision deteriorates due to cable-related inaccuracies
Solution Approach 1:
The patent replaces the mechanical cable-based measurement system with an optical measurement system. The locating apparatus uses optical sensors and light beams to measure the position and orientation of the machine tool, eliminating the mechanical cables that caused measurement inaccuracies. This substitution maintains system simplicity while dramatically improving measurement precision.
2Productivity
If numerical control machines are used to automate machining processes, then productivity improves, but device complexity and manufacturing costs increase
Solution Approach 1:
The patent divides the complex numerical control machine into simpler functional modules: a portable machine tool, separate locating apparatus, and independent measurement system. This segmentation allows each component to be optimized independently, reducing overall system complexity while maintaining automation capabilities through the control unit that coordinates these modular elements.
3Device complexity
If traditional machine tools are used for non-straight profiles, then device complexity remains low, but manufacturing precision deteriorates due to manual operation requirements
Solution Approach 1:
The patent implements a feedback system where the locating apparatus continuously measures the machine tool's position and orientation relative to the workpiece, and the control unit uses this information to automatically adjust movements. This closed-loop feedback enables precise machining of non-straight profiles while keeping the physical machine structure relatively simple.
Data Source
AI summary
Locating system for machine tools including a machine tool for working on a object's machining surface by removing material and movement apparatus for placing in direct contact with the machining surface and for moving the machine tool with respect to the object while the tool works on the object, at least two locating apparatuses each including supporting portion for placing at a fixed point on the machining surface, detector including first cable or second cable for connecting the locating apparatus to the machine tool, and a locating portion to release or receive the cable to measure distance detected between the machine tool and locating apparatus. The detector is configured to allow mutual connection of the locating apparatuses to allow direct measurement of distance between locating apparatuses and distance is further obtainable indirectly from the distances detected by the detector between the machine tool and locating apparatuses.