Mounting Head Maintenance Inspection for Precision Control
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Solution Overview
Problem
Existing component mounting systems face precision degradation due to insufficient maintenance of shaft members in the mounting head, leading to suboptimal component mounting performance.
Innovation Solution
A component mounting system that integrates a head maintenance device capable of inspecting and determining the suitability of the mounting head's maintenance, restricting its use if found unsuitable, and includes a registration system to prevent degradation by ensuring only properly maintained heads are used for component mounting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If maintenance is performed on the mounting head, then the cleanliness of sliding portions is improved, but the mounting precision may still degrade if maintenance is insufficient
Solution Approach 1:
The system implements a feedback mechanism where the inspection section evaluates the maintenance quality of the mounting head by detecting sliding states of sliding members. This feedback information is used by the use suitability determination section to decide whether the mounting head is suitable for use, thereby ensuring that only properly maintained heads are used for component mounting, preventing precision degradation.
Solution Approach 2:
The system performs preliminary inspection and determination of maintenance quality before the mounting head is used for component mounting. The inspection section checks the sliding portions beforehand, and the registration section registers the mounting head's suitability status in advance, ensuring that insufficient maintenance is detected and prevented before it can affect mounting precision.
2Manufacturing precision
If inspection and determination procedures are added after maintenance, then mounting precision is maintained, but the system complexity increases
Solution Approach 1:
The head maintenance device is designed to be replaceable with the parts feeder on the feeder base, allowing the same physical location to serve multiple functions. The inspection section and use suitability determination section are integrated into the existing maintenance device structure, reducing the need for separate dedicated inspection equipment and thereby limiting the increase in system complexity.
3Ease of operation
If the head maintenance device is made replaceable on the feeder base, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The feeder base is designed to accommodate both the parts feeder and the head maintenance device interchangeably. The feeder base includes a feeder holding section that can hold either a parts feeder or the head maintenance device, allowing operators to easily swap between these components. This multi-functional design improves ease of operation while the modular structure helps manage device complexity.
Data Source
AI summary
A component mounting system includes: a component mounter that moves a mounting head and allows a suction nozzle mounted in the mounting head to suck a component supplied by a parts feeder to mount the component on a substrate; a head maintenance device that executes maintenance of the mounting head; an inspection section that inspects a state of the mounting head undergone the maintenance; a use suitability determination section that determines whether or not use of the mounting head undergone the maintenance is suitable based on a result of the inspection; and a registration section that registers the mounting head determined to be not suitable for use.