Board Inspection Machine Sequential Flatness Check
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Solution Overview
Problem
Existing board inspection technologies are insufficient in ensuring the flatness of individual boards mounted on a carrier member, particularly as terminal miniaturization and diverse production forms complicate the inspection process, leading to potential quality issues and component waste.
Innovation Solution
A board inspection machine equipped with a carrier conveyance device, a board lifting-up device, and a three-dimensional coplanarity inspection device that sequentially lifts and inspects the flatness of multiple individual boards, determining their usability and preventing waste by separating unusable boards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple individual boards are placed on a carrier member for parallel processing, then productivity is improved, but inspection difficulty increases due to the need to inspect multiple boards simultaneously
Solution Approach 1:
The inspection system divides the multiple boards into individual inspection units. The board lifting-up device sequentially lifts each board from the carrier member, allowing the flatness inspection device to inspect one board at a time despite multiple boards being present on the carrier. This segmentation approach enables parallel processing capability while maintaining simple, focused inspection procedures for each board.
2Reliability
If full flatness inspection is performed on all multiple boards, then quality improvement is achieved, but inspection time increases
Solution Approach 1:
The system performs preliminary sorting by placing boards on a carrier member before inspection. The board lifting-up device pre-positions each board sequentially for inspection, and the flatness inspection device conducts comprehensive flatness measurement on each board's entire surface. This preliminary action ensures complete quality assurance while the pre-arranged sequence minimizes inspection time by avoiding repositioning during inspection.
3Measurement precision
If sequential inspection of multiple boards is performed, then measurement precision is improved, but productivity decreases compared to simultaneous inspection
Solution Approach 1:
The inspection system maintains continuous useful action through automated sequential processing. While one board is being inspected, the board lifting-up device is already preparing the next board for inspection by lifting it into position. The flatness inspection device continuously inspects each board as it is presented, eliminating idle time. This continuous automated operation achieves measurement precision through focused sequential inspection while maintaining high productivity through uninterrupted processing flow.
Data Source
AI summary
A board inspection machine includes a carrier conveyance device that loads, positions, and unloads a carrier member on which multiple individual boards are placed, solder paste being printed and a component being mounted on the individual boards; a board lifting-up device that lifts up the individual board, and a flatness inspection device that inspects flatness of the lifted individual board and determines usability of the individual board. As the multiple individual boards are sequentially lifted by the board lifting-up device and the flatness can be sequentially inspected by the flatness inspection device, efficient inspection may be performed. In addition, since full inspection is performed with respect to the flatness of the multiple individual boards, quality of the individual board may be improved.