Component Mounting Error Detection and Substrate Management
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Solution Overview
Problem
Conventional mounting substrate manufacturing methods fail to effectively prevent poor quality products due to erroneous component mounting, as they lack a definitive method to address and manage incorrect component settings, leading to defective substrates being fed into downstream processes.
Innovation Solution
A method that involves storing component set history information and checking history information to detect and correct erroneous component types by stopping production operations and specifying affected substrates, ensuring that only regular components are used and preventing further downstream production until the issue is resolved.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional component mounting lines are used with basic checking functions, then productivity is maintained, but erroneous mounting prevention is insufficient when operators omit duties
Solution Approach 1:
The system performs preliminary actions by storing component set history information at the time of component replenishment and executing checking operations at predetermined timings before erroneous mounting occurs. This advance preparation enables the system to detect and prevent errors without interrupting production flow.
Solution Approach 2:
The system implements feedback mechanisms by comparing detected component identification information against production data, storing checking results in history information, and using this feedback to determine whether to stop production when errors are detected, thus balancing reliability with productivity.
2Productivity
If production continues without definitive error coping methods, then productivity is maintained, but defective substrates are fed to downstream processes
Solution Approach 1:
The system uses feedback from component identification checking to determine production continuation. When checking history information shows regular components, production continues; when errors are detected, the system stops production, thereby maintaining manufacturing precision while preserving productivity during normal operation.
Solution Approach 2:
By performing checking operations at predetermined timings before component mounting, the system prevents defective substrates from entering downstream processes while maintaining production continuity during normal operation.
3Ease of operation
If basic checking operations are performed, then operational simplicity is maintained, but the system cannot specify when erroneous components were set
Solution Approach 1:
The system performs preliminary actions by storing component set history information at the time of component replenishment. This advance data collection enables the system to later specify when erroneous components were set without complicating daily operations.
Solution Approach 2:
The system uses feedback from checking operations to retrieve and display component set timing information from stored history data, providing detailed error timing information while maintaining simple operational procedures through automated information retrieval.
Data Source
AI summary
In error coping executed when it is determined that an electronic component is a different type of component which is not a regular electronic component to be supplied from a part feeder in a component mounting process, production operation of the component mounting device is stopped, a component set timing at which the different type of component is set is specified on the basis of component set history information, all of the substrates to be target of production by the component mounting device after a specified component set timing are specified as substrates to be managed on which the different type of components are potentially mounted, and the production operation of all of the devices arranged downstream, and intended to produce the substrates to be managed is stopped.