Robot Scraping Path Control for Automatic Recess Positioning
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Solution Overview
Problem
Existing robot systems face challenges in efficiently determining and forming multiple recesses on a workpiece surface through a scraping process, requiring complex programming and manual input for precise positioning.
Innovation Solution
A robot system equipped with an input receiving section for shape and pattern information, and a position determination section that automatically calculates the positions of recesses based on this information, simplifying the process by reducing the need for manual teaching points and enabling automated generation of movement paths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If manual teaching points are used for positioning recesses in the scraping process, then the robot system can be built with simpler automation, but the task setup becomes complex and time-consuming
Solution Approach 1:
The patent uses 3D shape information (digital copy) of the workpiece surface to automatically determine recess positions, replacing the need for manual teaching point input. The shape information serves as a digital model that the control device processes to calculate precise recess locations based on pattern information.
Solution Approach 2:
The patent replaces the mechanical/manual process of teaching points with an automated computational system. The control device uses algorithms to process shape information and pattern information, substituting manual operator input with automated digital processing to determine recess positions.
2Ease of operation
If automated position determination is implemented using shape information and pattern information, then the setup process is simplified, but the device complexity increases due to additional processing requirements
Solution Approach 1:
The control device integrates multiple functions: it stores shape information, processes pattern information, calculates recess positions, and controls the robot. This multi-functional integration simplifies the overall system architecture while providing automated position determination capabilities.
Solution Approach 2:
The system determines recess positions automatically using its own integrated resources (shape information storage, pattern information processing, and calculation capabilities) without requiring external manual intervention or complex additional equipment.
3Manufacturing precision
If precise control of scraper position is achieved through automated determination, then manufacturing precision of recess positions improves, but the computational requirements and processing time increase
Solution Approach 1:
The patent performs preliminary processing by storing 3D shape information of the workpiece surface before the scraping operation. This pre-acquired geometric data enables the control device to calculate precise recess positions through computational geometry operations, achieving high positioning precision.
Solution Approach 2:
The system transforms physical geometric parameters (shape information) into computational parameters that can be processed digitally. By converting the workpiece geometry into digital shape information and combining it with pattern parameters, the system achieves precise position determination through mathematical calculations.
Data Source
AI summary
A device for determining the positions of a plurality of recessed portions to be formed on a surface of a workpiece by means of scraping, in which a robot uses a scraper to shave the surface of the workpiece to make the same flat, is provided with: an input accepting unit for accepting input of shape information of the surface and pattern information of the plurality of recessed portions on the surface; and a position determining unit for automatically determining the position of each recessed portion on the surface on the basis of the shape information and the pattern information accepted by the input accepting unit.