Component Assembly System Using Inspection Data
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Solution Overview
Problem
Existing component assembly systems face difficulties in determining the optimum combination of components with dimensional errors, leading to challenges in automatic assembly and product quality, as they often rely on pre-determined rankings or stocking without considering the inspection information of other components.
Innovation Solution
A component assembly system that reads inspection information for both first and second components, groups them based on ease of assembly or dimensional errors, and determines optimal combinations using this information to minimize dispersion, ensuring accurate and efficient assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If components are randomly combined, then assembly can proceed without complex selection processes, but the dimensional accuracy and quality of the assembled product deteriorates
Solution Approach 1:
The system performs preliminary measurement of component dimensions before assembly, stores the measurement data, and uses this data to select compatible components. This preliminary action ensures that components with appropriate dimensional compatibility are selected in advance, maintaining high assembly speed while ensuring dimensional accuracy of the final product.
2Ease of operation
If components are selected based on pre-determined rankings, then the selection process is simplified, but the system cannot adapt to actual inspection information of other components
Solution Approach 1:
The system measures the dimensions of components during inspection, feeds this measurement data back to the selection process, and uses the feedback information to determine optimal component combinations. This feedback mechanism allows the system to adapt to actual inspection information while maintaining a systematic selection process, resolving the contradiction between simplicity and adaptability.
3Manufacturing precision
If components are classified and stocked by dimension, then optimal fitting clearance can be achieved, but components that do not form optimum clearance may be stocked for long periods
Solution Approach 1:
The system merges the classification of first components with second components based on their dimensional compatibility. By considering the dimensions of both component types together, the system can identify and select compatible pairs efficiently, preventing long-term storage of components that cannot be optimally matched, thus reducing storage time while maintaining fitting accuracy.
4Device complexity
If component combinations are determined without considering other components, then the determination process is simpler, but optimum combinations between multiple groups of components cannot be achieved
Solution Approach 1:
The system transitions from unidimensional component selection to multidimensional combination determination by simultaneously considering dimensions of multiple component groups. This dimensional expansion allows the system to determine optimal combinations across multiple groups while managing complexity through systematic data processing and storage of measurement information.
Data Source
AI summary
A component assembly system and method, by which an optimum combination of components can be determined by using inspection information of each component. The system has: an inspection information reading section for reading first and second inspection information regarding assembling of first and second components; a component reserving section for reserving each component; a storing section for storing a relationship between the inspection information of each component and a reserve position of each component; a grouping section for providing at least one first and second groups respectively including the first and second components; a combination determining section for determining a combination of the first and second components on one-to-one correspondence, by using the first and second inspection information; and a component conveying device for conveying the first and second components corresponding to the determined combination from the component reserving section to an assembly device, by using the stored relationship.