Robotic Sanding Plant for Continuous Finishing of Contoured Panels
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Solution Overview
Problem
Existing sanding plants for wood and metal components with non-flat, contoured shapes require manual intervention, leading to lengthy and costly production cycles due to the inability of conventional sanding machines to access all areas effectively.
Innovation Solution
A sanding plant equipped with a robotic manipulator and a pneumatic shock absorber system that allows continuous sanding of components with non-flat shapes by combining the movements of a conveyor belt and articulated arms, enabling the sanding tool to follow the component's profile without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional sanding machine with a fixed sanding device is used, then the sanding device can maintain stable operation, but it cannot access all areas of non-flat, contoured components effectively
Solution Approach 1:
The sanding device is replaced with a robotic manipulator that has multiple degrees of freedom, allowing it to dynamically adapt its position and orientation to sand non-flat, contoured surfaces. The robotic arm can move along the component's profile while maintaining contact with the sanding tool, eliminating the need for manual intervention while handling complex geometries.
Solution Approach 2:
A pneumatic shock absorber is introduced as an intermediary element between the robotic manipulator and the sanding tool. This shock absorber acts as a compliant interface that absorbs variations in distance and maintains constant contact pressure between the sanding tool and the component surface, enabling effective sanding of irregular profiles.
2Adaptability or versatility
If manual sanding by specialized operators is used, then complex shapes can be sanded, but production cycles become lengthy and costly
Solution Approach 1:
The robotic manipulator is equipped with sensors and control systems that enable it to autonomously navigate and sand complex component profiles without human intervention. The system self-adjusts its movements and maintains appropriate sanding pressure through the pneumatic shock absorber, achieving both adaptability to complex shapes and high productivity.
Solution Approach 2:
The manual mechanical sanding operation is replaced with an automated robotic system. The robotic manipulator, controlled by computer programs, substitutes for specialized operators, maintaining the ability to handle complex geometries while dramatically reducing production cycle time and labor costs.
3Extent of automation
If a robotic manipulator is used to sand components, then automation is achieved, but the system becomes more complex
Solution Approach 1:
A pneumatic shock absorber is used to simplify the contact mechanism between the sanding tool and the component. The pneumatic system provides automatic compliance and pressure regulation, reducing the need for complex mechanical positioning and control mechanisms while maintaining continuous sanding capability.
Solution Approach 2:
The pneumatic shock absorber changes the physical parameters of the sanding interface by introducing compressibility and damping. This allows the rigid robotic manipulator to effectively interact with irregular surfaces by absorbing distance variations and maintaining constant contact pressure, simplifying the overall control system.
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 solution enables cost-effective and efficient sanding of components with complex shapes by automating the process, reducing production cycles and eliminating the need for specialized operators.
Implementation Method 1
the interposition of a shock absorber device 13 comprising a block 14 for fastening device 13 to arm 10a and a plate 15 for fastening device 13 to tool 12
Data Source
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AI summary
A plant for sanding/finishing components (2) made of wood, metal or the like has a sanding station (3), a feeding device (4) for feeding at least one component (2) in a continuous manner through the sanding station (3), and a robotic manipulator (9), which is provided with at least one sanding tool (12) and is configured so as to allow the sanding tool (12) to carry out the sanding of the component (2) in a continuous manner by combining the movements of the feeding device (4) with the movements of the robotic manipulator (9).