Casting Marking Device with Foreign Matter Detection
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Solution Overview
Problem
Conventional marking methods for castings fail to make effective marks when foreign matter such as fins, sand, or burn-ons are adhered to the surface, leading to device damage and loss of traceability due to the timing of marking before casting separation.
Innovation Solution
A marking method and device that detect foreign matter on the casting surface, set alternative marking locations, and make marks on these locations if foreign matter is present, ensuring effective marking even when foreign matter is adhered, by comparing mold data with actual casting surfaces and using a foreign-matter detecting device and marking control system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If marking is performed before casting separation to enable traceability, then traceability is improved, but foreign matter on the casting surface causes marking failure and device damage
Solution Approach 1:
The marking location is made dynamic rather than fixed. The system detects foreign matter on the standard marking location and dynamically selects an alternative location if needed, allowing the marking position to adapt to the actual casting surface condition while maintaining traceability functionality
Solution Approach 2:
The system performs preliminary detection of foreign matter before marking. By detecting foreign matter on the standard marking location in advance and preparing alternative locations, the system prevents marking failures and device damage caused by attempting to mark on contaminated surfaces
2Ease of manufacture
If marking is performed on standard location without foreign matter detection, then marking process is simple, but marking accuracy and effectiveness deteriorate when foreign matter is present
Solution Approach 1:
A foreign matter detection function serves as an intermediary between the standard marking process and alternative marking locations. This intermediary detects foreign matter on the standard location and triggers selection of alternative locations, maintaining process simplicity while ensuring marking accuracy through automated detection and selection
3Reliability
If multiple alternative marking locations are prepared, then marking effectiveness is improved when foreign matter is present, but device complexity increases
Solution Approach 1:
Different marking locations are assigned different qualities or priorities. The system designates a standard marking location as the primary choice and alternative locations as backup options, with each location having specific characteristics suitable for marking under different conditions, allowing effective marking without requiring all locations to have equal complexity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables reliable and effective marking on castings even with foreign matter present, preventing device damage and ensuring traceability by making temporary marks on alternative locations before machining and standard marks on clean surfaces post-machining, reducing working time and improving mark quality.
Implementation Method 1
detecting the position of an end face of a bloom by means of image processing
Data Source
AI summary
[Problem] To provide a marking method and a marking device for a casting that are, even when foreign matter is adhered to a casting to be marked, capable of making an effective and appropriate mark on the casting.[Solution] Detect foreign matter on an outer surface of a casting 100, set marking locations 118, 120-1, 120-2, and make a mark on the marking locations 118, 120-1, 120-2.