Automated Wood Floor Edge Sanding With Oval-Loop Motion
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Solution Overview
Problem
Existing manual and automated wood floor sanding techniques struggle to replicate the consistent, efficient, and controlled motion of a trained technician, leading to inconsistent results and potential damage to the floor edges.
Innovation Solution
An automated system for wood floor edge sanding that mimics the motion of a trained technician, using a synchronized oval loop cycle with adjustable velocities and a roller chain mechanism to ensure consistent overlap and overlap path, equipped with a collision stop switch for safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual operating techniques are used for sanding floors, then the operator has control of the operation, but the results are inconsistent due to inability to replicate trained technician motion
Solution Approach 1:
The automated system copies the motion patterns of a trained technician by using sensors to detect and replicate the specific oval loop cycle movements, speeds, and overlapping patterns that experienced technicians use to achieve consistent sanding results
Solution Approach 2:
The patent replaces the manual mechanical control system with an automated control system that uses sensors, processors, and actuators to replicate technician motion patterns, thereby achieving consistency that cannot be obtained through manual operation alone
2Productivity
If automated devices are used to sand wood floors, then productivity is improved, but the motion consistency matches that of a trained technician
Solution Approach 1:
The system implements a periodic oval loop cycle motion pattern that replicates the rhythmic, repeating movements of a trained technician, ensuring consistent sanding quality while maintaining automated productivity
Solution Approach 2:
The automated system uses sensors to detect the actual motion of the sanding tool and provides feedback to the control system, which adjusts the motion in real-time to maintain the precise oval loop cycle pattern and ensure consistent results
3Productivity
If high-speed automated sanding is performed, then productivity increases, but damage to floor edges may occur
Solution Approach 1:
The system dynamically adjusts the sanding speed and motion parameters based on real-time feedback from sensors, allowing high-speed operation when conditions permit while automatically reducing speed or adjusting motion to prevent damage when detected
Solution Approach 2:
The automated system is programmed with pre-established motion patterns and speed limits that prevent excessive force application to floor edges before damage can occur, incorporating safety margins into the control algorithm
4Manufacturing precision
If complex motion patterns are used to replicate technician motion, then sanding quality improves, but device complexity increases
Solution Approach 1:
The complex technician motion pattern is broken down into discrete, repeatable oval loop cycle segments that can be individually controlled and replicated by the automated system, simplifying the control architecture while maintaining motion fidelity
Data Source
AI summary
An automated device for wood floor edge sanding has a chassis comprising a longitudinal slot and a motor slidably coupled to the longitudinal slot. Further, the device has a chain coupled about at least three sprockets, one sprocket coupled to a shaft of the motor such that when the motor is activated, the chain rotates about the sprockets and an edge sander coupled to the chain such that when the chain moves, the edge sander rotates ovally and it intermits travel laterally.