A precision threaded connection component in stopper rod systems for regulating molten metal flow in continuous casting.
The Connection Head/Thread is a critical interface component in stopper rod systems used in continuous casting operations. It provides the mechanical and sealing connection between the stopper rod and the flow control mechanism, enabling precise regulation of molten metal flow from the tundish to the mold. This component must withstand extreme thermal cycling, mechanical stress, and corrosive environments while maintaining dimensional stability and leak-tight performance.
诱因 → 失效模式 → 工程缓解
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It provides the mechanical interface that transmits precise vertical movement from the actuator to the stopper rod tip, enabling accurate control of molten metal flow in continuous casting operations.
Tight tolerances (6g/6H or better) ensure precise positioning repeatability, prevent backlash in flow control, maintain alignment under thermal expansion, and ensure leak-tight performance in high-temperature environments.
High-temperature alloys like Inconel 600/601 or 310 stainless steel are common, selected for their ability to maintain mechanical properties at 800-1200°C while resisting thermal fatigue and oxidation.
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