Panel Edge Milling Lubrication for Wear-Track Prevention
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Solution Overview
Problem
Existing methods for manufacturing decorative panels with profiled edges using milling tools cause wear tracks on the panels due to contact with pressure and sliding shoes, particularly in continuous milling machines, which can damage the surface and affect the accuracy of the cutting operation.
Innovation Solution
Applying a lubricant, such as an aqueous solution or emulsion of glycol or starch, on the panel surfaces before processing to reduce friction and minimize wear track formation, combined with a chain conveyor for accurate reference and a double-end tenoner configuration with counter-oriented cutting tools to enhance precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If pressure shoes and sliding shoes are used to position panels during milling operations, then manufacturing precision is improved, but wear tracks are formed on panel surfaces
Solution Approach 1:
The patent introduces an air cushion as an intermediary between the sliding shoe and the panel surface. Compressed air is supplied through the sliding shoe to create a thin film of air that separates the shoe from the panel, eliminating direct mechanical contact. This allows the sliding shoe to maintain its positioning function while preventing wear track formation on the decorative panel surface.
2Measurement precision
If sliding shoes and pressure shoes are used in continuous milling machines, then cutting accuracy is improved, but damage to panel surfaces occurs
Solution Approach 1:
The air cushion acts as a mediator that transmits the positioning force from the sliding shoe to the panel without creating direct surface contact. The compressed air film maintains the panel in the correct position for accurate cutting while protecting the surface from mechanical damage.
Solution Approach 2:
The patent utilizes pneumatic principles by supplying compressed air through the sliding shoe to create an air bearing. This pneumatic cushion supports the panel during the milling operation, providing both positioning accuracy and surface protection through non-contact support.
3Manufacturing precision
If chain conveyor is used to move semi-finished panels, then reference accuracy is improved, but wear track formation is exacerbated
Solution Approach 1:
The air cushion supplied through the sliding shoe serves as an intermediary layer between the chain conveyor system and the panel surface. While the chain conveyor provides accurate reference positioning, the air film prevents the chain or associated mechanical elements from directly contacting and damaging the panel surface.
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
The lubricant significantly reduces the risk of damage to panel surfaces, maintains cutting accuracy, and prevents excessive wear tracks, ensuring smooth and precise profiled edge formation without compromising the integrity of decorative layers.
Implementation Method 1
Applying a lubricant, such as an aqueous solution or emulsion of glycol or starch, on the panel surfaces before processing to reduce friction and minimize wear track formation
Implementation Method 2
the lubricant evaporates virtually completely or completely after performing the milling, sawing or scraping operation, so that the risk of soiling of the panels is minimal
Data Source
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Figure 2
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AI summary
Method for manufacturing panels, wherein the method at least comprises: - the step of providing semi-finished panels (1A) with at least a substrate (15) and a decorative top layer (18); - the step (S1) of performing a milling, sawing or scraping operation by means of one or several cutting tools (9) on at least one edge (3-4-5-6) of said semi-finished panels (1A), wherein the semi-finished panels (1A) are moved past said cutting tools (9) via a belt, air or chain conveyor (10) in a processing machine (7A-7B), and their decorative top layers (18) are moved across a sliding shoe (14) at the location of at least one of the cutting tools (9), and/or their sides which are turned away from the decorative top layer are moved past a pressure shoe (13); characterized in that the semi-finished panels (1A) are provided with a lubricant (22) on the decorative top layer (18) and/or on the side which is turned away from the decorative top layer (18) before or during said step (S1) of performing a milling, sawing or scraping operation.