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Explosion-proof Valve / Safety Vent of Cylindrical Cells Sealing and Welding

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August 12, 2025
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Explosion-proof Valve Material & Challenges
•​Material: Pure aluminum (1060 or 3003 alloy), thickness range: ​0.08–0.1 mm.
•​Key Challenge: High reflectivity (>90%) to infrared lasers, leading to ​burn-through​ (overburning) or ​blowholes​ during welding.
​Waveform Control: Adopt a ​pre-peak + exponential attenuation waveform​ to enhance aluminum's laser absorption and prevent burn-through
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