Edge Processing Method for Plate Workpiece Butt Joint Quality
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Solution Overview
Problem
Existing edge processing methods for plate-shaped workpieces face challenges in achieving optimal gluing quality, as the formation of butt joints can be inadequate, leading to inefficiencies in processing and quality control, particularly when using automated imaging methods for assessment.
Innovation Solution
The method involves using a pressure device to move relative to the workpiece in one direction while applying a compressive force, passing over the joint area in both directions to compress the edge material and level out any protrusions, ensuring better joint quality before quality control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the pressure roller is lifted after passing over the joint and returned to a position in front of the curled area to level the wave, then the web edge contact with the workpiece is improved, but the process time is increased and multiple repetitions are required
Solution Approach 1:
The pressure roller is moved back and forth periodically over the joint area in opposite directions to repeatedly compress and level the web edge material. This periodic reciprocating motion continues until the wave is sufficiently leveled and the web edge makes adequate contact with the workpiece, transforming a single-pass limitation into a multi-phase corrective process.
Solution Approach 2:
Instead of only moving forward and lifting at the joint area, the pressure roller is inverted by moving it backward over the joint area as well. This bidirectional approach allows the roller to compress the web edge material from both directions, effectively leveling the wave and improving contact without requiring the roller to lift and reposition repeatedly.
2Manufacturing precision
If the pressure device moves over the butt area in both directions to compress edge material, then the joint quality is improved, but the device complexity increases
Solution Approach 1:
The pressure device is made dynamically controllable to move in both forward and backward directions over the joint area. The system incorporates dynamic control mechanisms that allow the pressure roller to reciprocate automatically, adjusting its position and pressure application in real-time based on the joint formation requirements, thereby managing complexity through intelligent control rather than mechanical complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enhances the processing quality of the gluing process by ensuring a proper joint formation, reducing the need for subsequent corrections and improving the reliability of automated quality assessment.
Implementation Method 1
a pressure device (13, 14, 15) with which the edge strip (2) can be pressed by moving relative to the workpiece (3) in a first direction (X, -X) while exerting a compressive force on the edge strip (2)
Implementation Method 2
a connecting means (11) provided on the edge strip (2) and/or the workpiece (3), in particular an adhesive
Implementation Method 3
activating and/or reactivating, in particular heating, a connecting means provided on the edge strip and/or the workpiece
Data Source
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AI summary
In the edge processing process, at least one edge strip (2, 2') is pressed onto the narrow side of a plate-shaped workpiece (3) made of wood or wood substitute by means of a pressure device (13, 14, 15) with relative movement of the pressure device (13, 14, 15) and the workpiece (3) in a first direction (R). During this process, a connecting element provided on the edge strip (2, 2') and/or the workpiece (3) is attached by activation, in particular by heating, wherein one end (2a') of the edge strip (2, 2') forms a butt area (S) on the workpiece (3) with the other end (2a) of the same edge strip (2, 2') or an end of another edge strip. In a further step, the butt area (S) is traversed at least once in a second direction (-R) opposite to the first direction (R) by at least one pressure device (13, 14, 15).