Machining Coated Panel Edges with Feeler-Guided Milling
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Solution Overview
Problem
In the woodworking and furniture production industry, the complex geometry of panel-shaped workpieces with coated narrow surfaces requires manual post-processing, leading to time-consuming and inefficient production processes, especially in areas like door rebate edges where coating material protrudes, necessitating additional reworking steps.
Innovation Solution
A method and device using a milling cutter and feeler elements to automate the machining of panel-shaped workpieces, allowing for synchronized movement with the workpiece to reduce manual reworking, featuring a cylindrical milling cutter without a radius and a feeler roller to guide the cutter over edges without damaging the workpiece, thus eliminating the need for manual rework and enhancing productivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If manual post-processing is used for coated narrow surfaces, then complex geometries can be processed, but productivity decreases and production time increases
Solution Approach 1:
The feeler element automatically detects the workpiece geometry and guides the milling cutter through complex narrow surfaces without manual intervention. The system serves itself by using the workpiece features (edges, corners, recesses) to guide the processing, eliminating the need for manual positioning while maintaining the ability to handle complex geometries
Solution Approach 2:
Manual mechanical operations are replaced by an automated system combining a feeler element for detection and a milling cutter for processing. The feeler element electronically detects workpiece geometry and automatically controls cutter movement, substituting manual skill-based operations with automated sensor-guided mechanics
2Ease of manufacture
If manual reworking is performed, then coating material protrusions can be removed, but additional production space and equipment are required
Solution Approach 1:
The detection function (feeler element) and processing function (milling cutter) are merged into a single integrated device. This combination eliminates the need for separate manual rework stations and turning systems, consolidating multiple functions into one compact unit that reduces production space requirements
Solution Approach 2:
The integrated device performs multiple functions: detection of workpiece geometry, guidance along narrow surfaces, and material removal. This multi-functional approach replaces multiple specialized devices (detection equipment, manual tools, rework stations) with a single universal machine that handles all post-processing operations
3Productivity
If automated machining is implemented, then productivity increases, but precise control along workpiece edges is required
Solution Approach 1:
The feeler element continuously detects workpiece edge positions and feeds this information back to control the milling cutter's movement. This real-time feedback mechanism ensures the cutter follows the exact workpiece geometry with high precision, enabling automated high-speed processing without sacrificing accuracy
Solution Approach 2:
The feeler element acts as an intermediary between the workpiece geometry and the milling cutter. It translates physical workpiece features into control signals that guide the cutter, mediating the interaction between detection and processing to achieve both speed and precision
Data Source
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AI summary
The invention relates to a method for machining a plate-shaped workpiece and a machining device for machining a plate-shaped workpiece. Such a method and such a machining device are used particularly in the wood processing and manufacturing industry.